EP2916566B1 - Hearing device with closure mechanism - Google Patents
Hearing device with closure mechanism Download PDFInfo
- Publication number
- EP2916566B1 EP2916566B1 EP14157440.0A EP14157440A EP2916566B1 EP 2916566 B1 EP2916566 B1 EP 2916566B1 EP 14157440 A EP14157440 A EP 14157440A EP 2916566 B1 EP2916566 B1 EP 2916566B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- closure
- arm
- closure element
- primary
- battery door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000006073 displacement reaction Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 8
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 5
- 229920006324 polyoxymethylene Polymers 0.000 claims description 5
- -1 Polyoxymethylene Polymers 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
- H04R25/602—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of batteries
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/61—Aspects relating to mechanical or electronic switches or control elements, e.g. functioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
- H04R25/603—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of mechanical or electronic switches or control elements
Definitions
- the present disclosure relates to a hearing device with a closure mechanism, and in particular to a hearing device with a battery door for accommodating and/or supporting a battery in the hearing device.
- a focus in the hearing aid industry is to make hearing aids smaller and more discrete for the benefit of the user and thus a design which can decrease the size of the hearing aid is of importance. Further, it is of great interest from a cost perspective that designs are easy and cheap to manufacture.
- a button battery is used in a hearing device and traditionally a battery door of a hearing aid has been fitted with a locking mechanism leading to bulky hearing devices, a complex manufacturing process and/or high failure rate of the locking mechanism.
- hearing device parts must be robust and resistant to wear. Further, precise fitting of moving parts is desired for improving the user experience.
- EP2528138 A1 discloses a hearing aid comprising a main body case (1), a battery case (7) provided so that it can be pulled from inside the main body case (1) to outside of the main body case (1), a control device (14) that is actuated by electromotive force of an air battery (8) housed in the battery case (7), a microphone (4) and speaker (3) electrically connected to the control device (14), and a switching portion for cutting off power from the air battery (8) to the control device (14) in conjunction with manipulation that pulls at least part of the battery case (7) out of the main body case (1).
- a magnet (11) that blocks off air holes (10) in the air battery (8) is provided to the bottom part of the (7). The magnet (11) closes off the air holes (10) in conjunction with manipulation that pulls at least part of the battery case (7) out of the main body case (1).
- a hearing device comprising a housing; a battery door attached to the housing and configured to pivot in relation to the housing about a pivot axis; and a closure member attached to the housing and having a first closure arm with a first distal end.
- the battery door comprises a closure device comprising a first primary closure element configured to engage with the first closure arm when the battery door is in a closed position.
- the first closure arm is flexible such that the first distal end displaces in a first direction when the battery door is moved from an open position to the closed position. The displacement of the first distal end has a primary directional component parallel to the pivot axis.
- the closure member for a hearing device.
- the closure member comprises a closure body and a first closure arm.
- the closure body and the first closure arm forms an angle in the range from 90 to 170 degrees.
- closure member Descriptions of features relating to the closure member are equally applicable to the closure member of the disclosed hearing device, and vice versa. Consequently, throughout the description reference to “the closure member” is a reference to both the closure member and the closure member of the hearing device.
- the disclosed hearing device and closure member provide a durable and sustainable closure mechanism for a battery door of a hearing device. Furthermore, a separable closure member allows the closure member and the hearing device housing to be manufactured as two independent parts, providing a high degree of design freedom, e.g. with relation to materials.
- the closure member may easily be manufactured in a material different from the hearing device housing. It is desired, within the technical field, to manufacture different parts by materials having mechanical properties matching the mechanical requirements of the specific part. For example, the closure member is subject to mechanical wear and requires flexibility which is quite different from requirements of the housing.
- a closure member independent from the housing provides an increased design freedom.
- the disclosed hearing device and closure member provides the closure member as an exchangeable part which may be exchanged if needed, especially beneficial for parts, such as the closure member, which are subject to mechanical wear and tear.
- the disclosed hearing device and closure member facilitates a small battery door, and limited requirements for tolerances of parts.
- the closure mechanism provides reduced wear on the battery hinge arrangement, e.g. the primary directional component of the displacement of the first and or a second closure arm being parallel to the pivot axis reduces wear on the battery door hinge arrangement and closure arrangement.
- the housing of the hearing device may comprise one or more shell parts.
- the housing may comprise a frame carrying one or more shell parts.
- the closure member comprises the first closure arm with the first distal end.
- the first distal end is displaced in a first direction when the battery door is moved from an open (first) position to a closed (second) position or to a semi-closed (third) position.
- the first distal end may be displaced in the first direction when the battery door is moved from the closed to the open position.
- the displacement of the first distal end has a primary directional component parallel to and/or within ⁇ 10 degrees of the pivot axis.
- the displacement of the first distal end may have a secondary directional component.
- the secondary directional component of the displacement of the first distal end may be perpendicular to the pivot axis.
- the secondary directional component of the displacement of the first distal end may be smaller than the primary directional component of the displacement of the first distal end, such as less than 50% of the primary directional component.
- the first closure arm may comprise a first protrusion at the first distal end.
- the first protrusion may be designed to engage with one or more recesses of the closure device of the battery door.
- the first protrusion may be designed to engage with the first primary closure element.
- the first primary closure element In the closed position, the first protrusion may be engaged with the first primary closure element.
- the first primary closure element may form a recess adapted to fit or accommodate the first protrusion e.g. in the closed position.
- the closure device may comprise a first secondary closure element.
- the first closure arm may be configured to engage with the first secondary closure element when the battery door is in a semi-closed position.
- the first protrusion may be designed to engage with the first secondary closure element. In the semi-closed position, the first protrusion may be engaged with the first secondary closure element.
- the first secondary closure element may form a recess adapted to fit or accommodate the first protrusion, e.g. in the semi-closed position.
- the first protrusion When the user closes or opens the battery door, i.e. the battery door is moved from one position to another position, e.g. from one of the open, semi-closed or closed positions to another position of the open, semi-closed or closed positions, the first protrusion may contact an surface, e.g. a leading or trailing surface, of the first primary closure element and/or first secondary closure element and cause displacement of the first distal end of the first closure arm.
- the first protrusion necessitates that a user needs to exert a force on the battery door to move the battery door from one position to another position.
- the first protrusion retains the battery door in a position, such as the closed, semi-closed position, and/or open position.
- the closure member may comprise a second closure arm with a second distal end.
- the closure device may comprise a second primary closure element configured to engage with the second closure arm when the battery door is in a closed position.
- the second closure arm may be flexible such that the second distal end displaces in a second direction when the battery door is moved from the open position to the closed position.
- the second distal end may be displaced in the second direction when the battery door is moved from the closed to the open position.
- the displacement of the second distal end may have a primary directional component parallel to the pivot axis.
- the displacement of the second distal end may have a secondary directional component.
- the secondary directional component of the displacement of the second distal end may be perpendicular to the pivot axis.
- the secondary directional component of the displacement of the second distal end may be smaller than the primary directional component of the displacement of the second distal end, such as less than 50% of the primary directional component.
- the second closure arm may comprise a second protrusion at the second distal end.
- the second protrusion may be designed to engage with one or more recesses of the closure device of the battery door.
- the second protrusion may be designed to engage with the second primary closure element. In the closed position, the second protrusion may be engaged with the second primary closure element.
- the second primary closure element may form a recess adapted to fit or accommodate the second protrusion.
- the closure device may comprise a second secondary closure element.
- the second closure arm may be configured to engage with the second secondary closure element when the battery door is in a semi-closed position.
- the second protrusion may be designed to engage with the second secondary closure element. In the semi-closed position, the second protrusion may be engaged with the second secondary closure element.
- the second secondary closure element may form a recess adapted to fit or accommodate the second protrusion.
- a closure element such as the first primary closure element, the first secondary closure element, the second primary closure element, and/or the second secondary closure element, may comprise a leading surface, a first surface, a trailing surface and/or a second surface.
- the leading surface and/or the trailing surface of the closure element may be inclined relative to an axis parallel to the pivot axis.
- the first surface and/or the second surface of the closure element may be perpendicular to an axis parallel to the pivot axis.
- a closure arm such as the first closure arm and/or second closure arm, may comprise a leading surface, a first surface and/or a trailing surface.
- the leading surface and/or the trailing surface of the closure arm may be inclined relative to an axis parallel to the pivot axis.
- the first surface of the closure arm may be perpendicular to an axis parallel to the pivot axis.
- the leading surface, the first surface and/or the trailing surface of the closure arm may form the first and/or second protrusion.
- the second protrusion may contact an surface, e.g. the leading or trailing surface, of the second primary closure element and/or second secondary closure element and cause displacement of the second distal end of the second closure arm.
- the second protrusion necessitates that a user needs to exert a force on the battery door to move the battery door from one position to another position.
- the second protrusion retains the battery door in a position, such as the closed, semi-closed position, and/or open position.
- the first closure element(s), i.e. the first primary closure element and/or the secondary closure element, may be arranged oppositely to the second closure element(s), i.e. the second primary closure element and/or the second secondary closure element.
- the first closure element(s) may face the second closure element(s), or the first closure element(s) may face away from the second closure element(s).
- the first direction and/or the primary directional component of the first direction and the second direction and/or the primary directional component of the second direction may be opposite.
- the first direction and/or the primary directional component of the first direction and the second direction the primary directional component of the second direction may be towards each other, or the first direction and/or the primary directional component of the first direction and the second direction and/or the primary directional component of the second direction may be away from each other.
- the first primary closure element may be arranged oppositely the second primary closure element, such that the first protrusion engage the first primary closure element concurrently, or substantially concurrently, with the second protrusion engaging the second primary closure element.
- the first secondary closure element may be arranged oppositely the second secondary closure element, such that the first protrusion engage the first secondary closure element concurrently, or substantially concurrently, with the second protrusion engaging the second secondary closure element.
- Arranging closure elements opposite each other reduces internal stress of the closure element and/or distributes the internal stress more appropriately.
- the first protrusion and the second protrusion may extend in opposite directions.
- the first protrusion and the second protrusion may extend towards and/or facing each other, or the first protrusion and the second protrusion may extend away from each other.
- Arranging the first direction and second direction to be opposite, or at least their respective primary directional components to be opposite and/or the first protrusion and the second protrusion to extend in opposite directions, may provide a closure device with reduced requirement to the fastening to the hearing device housing, since a force generating displacement of the first distal end in the first direction is balanced, or at least partly balanced, by another force generating displacement of the second distal end in the second direction.
- Balancing forces, reducing internal stress and/or distributing internal stress reduces requirements to the material and manufacturing processes, and reduces the risk of failing parts. Furthermore, an increased design freedom and reduction in size may be archieved.
- the first closure arm and the second closure arm may form an angle larger than 5 degrees, such as larger than 10 degrees, such as larger than 15 degrees.
- the first closure arm may extend along a first arm axis.
- the second closure arm may extend along a second arm axis.
- the first arm axis and the second arm axis may intersect with forming an angle larger than 5 degrees, such as larger than 10 degrees, such as larger than 15 degrees.
- the angle between the first closure arm and the second closure arm provide that the closure body may be reduced in size, thus, reducing the size of the hearing device.
- the primary directional component of the displacement of the first and/or second distal end may be larger than 0.1 mm, such as larger than 0.3 mm, such as larger than 0.8 mm.
- the ratio between the primary and secondary directional component of the displacement of the first and/or second distal end may be more than 2:1, such as more than 5:1, such as more than 10:1, wherein the secondary directional component is smaller than the primary directional component.
- the closure member may comprise a closure body with the first closure arm and/or the second closure arm extending from the closure body.
- the closure body may have one or more through holes or one or more cut-outs.
- One or more through holes or cut-outs in the closure body may facilitate improved stress distribution and/or reduced internal strain in the closure member.
- the elastic properties of the closure arm(s) may be controlled and/or higher design freedom in the dimensions of the closure arms may be allowed.
- the closure body or parts thereof may be configured for engagement with a dock of the housing.
- the closure body and the first closure arm and/or the second closure arm may form an angle less than 180 degrees, such as in the range from 90 to 170 degrees, such as in the range from 110 to 150 degrees, such as in the range from 120 to 130 degrees.
- the angle between the closure body and the closure arm(s) may provide easier closure of the battery door.
- the angle provides the closure device of the battery door to engage with the closure member while the battery door is rotating about the pivot axis. Furthermore, the angle provides the possibility of arranging the closure device close to the perimeter of the battery compartment, thus, achieving a small sized battery door and hearing device.
- the closure member may be removably attached to the housing.
- the housing may comprise a dock for receiving the closure member and connecting the closure member to the housing.
- the dock may be configured for engagement with a closure body or parts thereof.
- the dock and/or the closure body may comprise locking element(s), such as a dock locking element and/or a closure body locking element.
- the locking element(s) may act to retain the closure member when the closure body is inserted into the dock, e.g. providing a press-fit-lock, a click-lock and/or a twist-lock.
- the dock may comprise a dock locking element, e.g. a protrusion and/or a recess.
- the closure body may comprise a closure body locking element, e.g. a protrusion and/or a recess.
- the dock locking element and/or the closure body locking element may interact to retain the closure member when the closure body is inserted into the dock.
- the dock may comprise a first rail for receiving a first side of the closure body. Additionally, the dock may comprise a second rail opposite the first rail. The second rail may be adapted to receive a second side of the closure body.
- the closure member may be received in the dock by sliding the closure body into the dock in a direction parallel, or substantially parallel, to a plane defined by the closure body.
- the closure member may be received in the dock by depressing the closure body into the dock in a direction perpendicular, or substantially perpendicular, to a plane defined by the closure body.
- a dock for receiving the closure member allows for the closure member to be independent from the housing.
- the closure member being independent from the housing allow increased design and manufacturing possibilities, and facilitate that the closure member may be replaced, e.g. upon failure.
- the closure member may be made from different materials, each with different benefits, such as wear resistance, ductility, flexibility and surface friction.
- the closure member may be made of metal.
- the closure member may be made of a plastic material, such as POM (Polyoxymethylene) and/or ABS (acrylonitrile butadiene styrene).
- POM Polyoxymethylene
- ABS acrylonitrile butadiene styrene
- POM may be beneficial due to its flexible ability and surface friction.
- Fig. 1 schematically illustrates an exemplary hearing device 2 with a battery door 12.
- the hearing device 2 comprises a housing 4.
- the battery door 12 comprises a battery compartment 19.
- the battery door 12 is pivotally connected to the housing 4, and pivots about a pivot axis 13, which allows the battery door to rotate between an open and a closed position.
- the battery door 12 is shown in the closed position.
- Fig. 2 schematically illustrates an exemplary battery door 12 with a closure device 14.
- the closure device 14 comprises a first primary closure element 16 and an optionally first secondary closure element 18.
- Fig. 2 furthermore depicts the pivot axis 13.
- the first primary closure element 16 and the first secondary closure element 18 are recesses extending in a direction substantially parallel to the pivot axis 13.
- the first primary closure element 16 and the first secondary closure element 18 are adapted to receive the first and/or second protrusion of the closure member.
- Fig. 3 schematically illustrates an exemplary closure member 6.
- the closure member 6 comprises a first closure arm 8 with a first distal end 10.
- the closure member 6 depicted furthermore comprises a second closure arm 28 with a second distal end 30.
- the closure member 6 comprises a closure body 24, and the first closure arm 8 and the second closure arm 28 extends from the closure body 24.
- the first closure arm 8 comprises a first protrusion 20.
- the first protrusion 20 is located distal from the closure body.
- the first protrusion is, in Fig. 3 , depicted at the first distal end 10 of the first closure arm 8.
- the second closure arm 28 comprises a second protrusion 36.
- the second protrusion 36 is located distal from the closure body.
- the second protrusion is, in Fig. 3 , depicted at the second distal end 30 of the second closure arm 28.
- Fig. 4 schematically illustrates an exemplary closure member 6 seen from a frontal view.
- the closure member 6 comprises a first closure arm 8 with a first distal end 10 and a first protrusion 20.
- the closure member 6 furthermore comprises a second closure arm 28 with a second distal end 30 and a second protrusion 36.
- the closure member 6 comprises a closure body 24, and the first closure arm 8 and the second closure arm 28 extends from the closure body 24.
- the first closure arm 8 is flexible, such that the first distal end 10 is displaceable in a first direction 22.
- the second closure arm 28 is flexible, such that the second distal end 30 is displaceable in a second direction 22.
- the closure body 24 comprises a through hole 25.
- the through hole serves as mean to reduce internal stress in the closure body 24 when the distal ends 10, 30 of the first closure arm 8 and the second closure arm 28 are displaced in the respective first 22 and second 38 directions.
- the first protrusion 20 is adapted to fit in the first primary closure element 16 and/or the first secondary closure element 18 of the closure device 14.
- the second protrusion 36 is adapted to fit in the second primary closure element 32 and/or the second secondary closure element 34 of the closure device 14.
- the first closure arm 8 When the closure device 14 is engaging with the closure member 6, the first closure arm 8 is displaced in the first direction 22 and/or the second closure arm 28 is displaced in the second direction 38.
- the displacements are in the depicted example due partly to the shape of the first protrusion 20 and the second protrusion 36. Additionally and/or alternatively, the displacements may be due to the shape of the closure device 14.
- Fig. 5 schematically illustrates an exemplary closure member 6 seen from a side view.
- Fig. 5 illustrates that the first closure arm 8 and the second closure arm 28 extends from the closure body 24 with a closure body arm angle ⁇ .
- the closure body arm angle ⁇ may be between 90-180 degrees, such as between 105-140 degrees.
- Fig. 5 depicts the first closure arm 8 and the second closure arm 28 extending from the closure body 24 with a closure body arm angle ⁇ of substantially the same magnitude.
- first closure arm 8 and the second closure arm 28 may extend from the closure body 24 with different angles, such as the first closure arm 8 may extend from the closure body 24 with a first closure body arm angle ⁇ 1 and the second closure arm 28 may extend from the closure body 24 with a second closure body arm angle ⁇ 2 .
- Figs. 6A and 6B schematically illustrates an exemplary hearing device housing 4 with a closure member 6 and a battery door 12 in an open position.
- the battery door 12 is rotatable about the pivot axis 13.
- the battery door 12 comprises the closure device 14.
- the closure device comprises a first primary closure element 16, a first secondary closure element 18, a second primary closure element 32 and a second secondary closure element 34.
- Figs. 7A and 7B schematically illustrate an exemplary hearing device housing 4 with a closure member 6 and a battery door 12 in a closed position.
- the battery door 12 is rotatable about the pivot axis 13. Compared to the open position as illustrated in Figs. 5A and 5B , the battery door 12 has been rotated about the pivot axis 13 and the closure device 14 of the battery door 12 is engaged with the closure element 6.
- the first protrusion 20 of the first closure arm 8 is engaged with the first primary closure element 16, and the battery door 12 is thus retained in the closed position.
- the depicted example shows the closure member 6 comprising a second closure arm 28 having a second protrusion 36.
- the second protrusion 36 is engaged with a second primary closure element 32 of the closure device 14.
- the battery door 12 is additionally retained in the closed position by the second protrusion 36 being engaged with the second primary closure element 32.
- the closed position as depicted in Figs. 7A and 7B may be an on-position wherein an electrical circuit is electrically connected to a battery positioned in the battery door such that the hearing device is powered by the battery.
- first closure arm 8 and the second closure arm 28 The flexibility of the first closure arm 8 and the second closure arm 28, and the recesses provided by the first primary closure element 16 and the second primary closure element 32, provides that the first distal end 10 and the second distal end 30 are displaced opposite their respective first direction 22 and second direction 38 when the battery door 12 has been rotated to the closed position.
- a rotation of the battery door 12 about the pivot axis 13 from the closed position as illustrated in Figs. 7A and 7B to the open position as illustrated in Figs. 6A and 6B involves a displacement in the first direction 22 of the first distal end 10 and a displacement in the second direction 38 of the second distal end 30.
- the first distal end 10 and the second distal end 30 will reclaim their initial, relaxed, position by being displaced opposite the first direction 22 and the second direction 38, respectively, due to the flexibility of the first closure arm 8 and the second closure arm 28.
- first closure arm 8 and the second closure arm 16 may be obtained by the material and design of the entire closure member 6.
- Figs. 8A and 8B schematically illustrate an exemplary hearing device housing 4 with a closure member 6 and a battery door 12 in a semi-closed position.
- the battery door 12 is rotatable about the pivot axis 13. Compared to the open position as illustrated in Figs. 6A and 6B and the closed position as illustrated in Figs. 7A and 7B , the battery door 12 has been rotated about the pivot axis 13 and the closure device 14 is engaged with the closure element 6 in the semi-closed position.
- the semi-closed position is defined by the closure device comprising a first secondary closure element 18 and optionally a second secondary closure element 34.
- the first protrusion 20 is engaged with the first secondary closure element 18 and/or the second protrusion 36 is engaged with the second secondary closure element 34.
- Fig. 9 schematically illustrates an exemplary closure device 14 and an exemplary closure member 6.
- the closure device 14 comprises a first primary closure element 16.
- the closure device 14 depicted in Fig. 9 furthermore comprises the optional first secondary closure element 18, optional second primary closure element 32 and optional second secondary closure element 34.
- Each of the closure elements 16, 18, 32, 34 comprises a leading surface 16A, 18A, 32A, 34A, a first surface 16B, 18B, 32B, 34B, a trailing surface 16C, 18C, 32C, 34C, and a second surface 16D, 18D, 32D, 34D.
- the closure member 6 comprises a first closure arm 8 and an optional second closure arm 28.
- a first protrusion 20 is situated near a first distal end 10 of the first closure arm 8.
- a second protrusion 36 is situated near a second distal end 30 of the second closure arm 28.
- Each of the first and second protrusions 20, 36 comprises a leading surface 20A, 36A, a distal surface 20B, 36B, and a trailing surface 20C, 36C, respectively.
- Fig. 10 schematically illustrates the exemplary closure device 14 and the exemplary closure member 6 as also depicted in Fig. 9 .
- some reference numbers have been omitted for increased intelligibility.
- the leading surface 20A of the first closure arm 8 is inclined by a closure arm leading surface angle ⁇ 1 .
- the trailing surface 20C of the first closure arm 8 is inclined by a closure arm trailing surface angle ⁇ 2 .
- the leading surface 36A and trailing surface 36C of the second closure arm 28 may exhibit similar angles as the leading surface 20A and trailing surface 20C of the first closure arm 8.
- the shape of the second closure arm 28 may be different from the first closure arm 8.
- the leading surface 16A of the first primary closure element 16 is inclined by a primary closure element leading surface angle ⁇ 1
- the trailing surface 16C of the first primary closure element 16 is inclined by a primary closure element trailing surface angle ⁇ 2
- the first surface 16B of the first primary closure element 16 has a primary closure element height H 1 .
- the primary closure height H 1 may be in the range of 0.1-0.5 mm, or in the range of 0.2-0.4 mm, or in the range of 0.25-0.35 mm.
- the leading surface 18A of the first secondary closure element 18 is inclined by a secondary closure element leading surface angle ⁇ 3
- the trailing surface 18C of the first secondary closure element 18 is inclined by a secondary closure element trailing surface angle ⁇ 4
- the first surface 18B of the first secondary closure element 18 has a secondary closure element height H 2 .
- the secondary closure height H 2 may be in the range of 0.1-0.6 mm, or in the range of 0.2-0.5 mm, or in the range of 0.3-0.4 mm.
- the leading surface 32A, the trailing surface 32C and the first surface 32B of the second primary closure element 32 may exhibit similar angles and heights as the leading surface 16A, the trailing surface 16C and the first surface 16B of the first primary closure element 16.
- the leading surface 34A, the trailing surface 34C and the first surface 34B of the second secondary closure element 34 may exhibit similar angles and heights as the leading surface 18A, the trailing surface 18C and the first surface 18B of the first secondary closure element 18.
- the shape of the second primary closure element 32 and the second secondary closure element 34 may be different from the shape of the first primary closure element 16 and/or the first secondary closure element 18.
- the closure arm leading surface angle ⁇ 1 , the primary closure element leading surface angle ⁇ 1 and/or the secondary closure element leading surface angle ⁇ 3 may be between 25-70 degrees, such as between 30-60 degrees, such as between 35-50 degrees.
- the closure arm leading surface angle ⁇ 1 may be matched with the primary closure element leading surface angle ⁇ 1 and/or the secondary closure element leading surface angle ⁇ 3 .
- the closure arm leading surface angle ⁇ 1 , the primary closure element leading surface angle ⁇ 1 and/or the secondary closure element leading surface angle ⁇ 3 may be substantially equal, such as within 10 degrees difference, or within 5 degrees, e.g. in order to provide a smooth closure.
- the primary closure element leading surface angle ⁇ 1 and the secondary closure element leading surface angle ⁇ 3 may differ by more than 2 degrees, such as more than 4 degrees, such as more than 6 degrees.
- the difference between the primary closure element leading surface angle ⁇ 1 and the secondary closure element leading surface angle ⁇ 3 may be beneficial to provide the user with a different feel in pivoting the battery door 12 from the open to the semi-closed position and pivoting the battery door 12 from the semi-closed position to the closed position.
- the closure arm trailing surface angle ⁇ 2 , the primary closure element trailing surface angle ⁇ 2 and/or the secondary closure element trailing surface angle ⁇ 4 may be between 30-80 degrees, such as between 45-70 degrees, such as between 55-65 degrees.
- the closure arm trailing surface angle ⁇ 2 may be matched with the primary closure element trailing surface angle ⁇ 2 and/or the secondary closure element trailing surface angle ⁇ 4 .
- the closure arm trailing surface angle ⁇ 2 , the primary closure element trailing surface angle ⁇ 2 and/or the secondary closure element trailing surface angle ⁇ 4 may be substantially equal, such as within 10 degrees difference, or within 5 degrees, e.g. in order to provide a smooth opening.
- the primary closure element trailing surface angle ⁇ 2 and the secondary closure element trailing surface angle ⁇ 4 may differ by more than 2 degrees, such as more than 4 degrees, such as more than 6 degrees.
- the difference between the primary closure element trailing surface angle ⁇ 2 and the secondary closure element trailing surface angle ⁇ 4 may be beneficial to provide the user with a different feel in pivoting the battery door 12 from the closed to the semi-closed position and pivoting the battery door 12 from the semi-closed position to the open position.
- the primary closure element leading surface angle ⁇ 1 and the primary closure element trailing surface angle ⁇ 2 may differ by more than 2 degrees, such as more than 4 degrees, such as more than 6 degrees.
- the difference between the primary closure element leading surface angle ⁇ 1 and the primary closure element trailing surface angle ⁇ 2 may be beneficial to provide the user with a different feel in pivoting the battery door 12 from the closed to the semi-closed or open position and pivoting the battery door 12 from the semi-closed or open position to the closed position.
- the primary closure element leading surface angle ⁇ 1 may be bigger than the primary closure element trailing surface angle ⁇ 2 , thereby providing a battery door where the force required to pivot the battery door 12 from the open or semi-closed position to the closed position is less than the force required to pivot the battery door 12 from the closed to the semi-closed or open position.
- the battery door 12 is pivoted from the closed to the open position, and conversely from the open position to the closed position, if the optional first secondary closure element 18 is omitted.
- the secondary closure element leading surface angle ⁇ 3 and the secondary closure element trailing surface angle ⁇ 4 may differ by more than 2 degrees, such as more than 4 degrees, such as more than 6 degrees.
- the difference between the secondary closure element leading surface angle ⁇ 3 and the secondary closure element trailing surface angle ⁇ 4 may be beneficial to provide the user with a different feel in pivoting the battery door 12 from the semi-closed to the open position and pivoting the battery door 12 from the open position to the semi-closed position.
- the secondary closure element leading surface angle ⁇ 3 may be bigger than the secondary closure element trailing surface angle ⁇ 4 , thereby providing a battery door 12 where the force required to pivot the battery door 12 from the semi-closed position to the closed position is less than the force required to pivot the battery door 12 from the open position to the semi-closed position.
- the primary closure element height H 1 and the secondary closure element height H 2 are indicative of the displacement of the first distal end 10 needed for the closure device 14 to engage with the first closure arm 8.
- the closure element heights H 1 , H 2 are measured relative to the first surface 20B of closure arm 8 when the closure element 6 is in a relaxed state, i.e. not in contact with the closure device 14, such as in the open position.
- the primary closure element height H 1 and the secondary closure element height H 2 may be different to provide the user with a different feel in pivoting the battery door 12 between the open position and semi-closed position and pivoting the battery door 12 between the semi-closed position and the closed position.
- the secondary closure element height H 2 may be larger than the primary closure element height H 1 .
- Fig. 11 schematically illustrates an exemplary hearing device housing 4 with a closure member 6.
- the closure member 6 is similar to the closure member 6 as described in relation to the previous figures.
- the housing comprises a dock 26 adapted to receive the closure member 6, and connecting the closure member 6 to the housing 4.
- the closure member 6 is removably attached to the housing 4.
- the dock 26 is adapted to slidably receive and engage with the closure body 24 of the closure member 6.
- Fig. 12 schematically illustrates an exemplary closure member 6' seen from a frontal view.
- the closure member 6' is similar to the closure member 6 as described in Fig. 4 .
- the closure body 24 of closure member 6' has a cut-out 25'.
- the cut-out 25' serves as mean to reduce internal stress in the closure body 24 when the distal ends 10, 30 of the first closure arm 8 and the second closure arm 28 are displaced in the respective first 22 and second 38 directions.
- a cut-out 25' in the closure body 24 provides that the closure body 24 comprises a first closure body lock arm 27 and/or a second closure body lock arm 27'.
- the first and second closure body lock arms 27, 27' may act to lock the closure member 6' when inserted in a dock 26 of a hearing device housing 4 as described in relation to Fig. 11 .
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Description
- The present disclosure relates to a hearing device with a closure mechanism, and in particular to a hearing device with a battery door for accommodating and/or supporting a battery in the hearing device.
- A focus in the hearing aid industry is to make hearing aids smaller and more discrete for the benefit of the user and thus a design which can decrease the size of the hearing aid is of importance. Further, it is of great interest from a cost perspective that designs are easy and cheap to manufacture. Generally a button battery is used in a hearing device and traditionally a battery door of a hearing aid has been fitted with a locking mechanism leading to bulky hearing devices, a complex manufacturing process and/or high failure rate of the locking mechanism.
- Further, hearing device parts must be robust and resistant to wear. Further, precise fitting of moving parts is desired for improving the user experience.
-
EP2528138 A1 discloses a hearing aid comprising a main body case (1), a battery case (7) provided so that it can be pulled from inside the main body case (1) to outside of the main body case (1), a control device (14) that is actuated by electromotive force of an air battery (8) housed in the battery case (7), a microphone (4) and speaker (3) electrically connected to the control device (14), and a switching portion for cutting off power from the air battery (8) to the control device (14) in conjunction with manipulation that pulls at least part of the battery case (7) out of the main body case (1). A magnet (11) that blocks off air holes (10) in the air battery (8) is provided to the bottom part of the (7). The magnet (11) closes off the air holes (10) in conjunction with manipulation that pulls at least part of the battery case (7) out of the main body case (1). - There is a need for an improved closure mechanism suitable for a hearing device.
- Disclosed is a hearing device comprising a housing; a battery door attached to the housing and configured to pivot in relation to the housing about a pivot axis; and a closure member attached to the housing and having a first closure arm with a first distal end. The battery door comprises a closure device comprising a first primary closure element configured to engage with the first closure arm when the battery door is in a closed position. The first closure arm is flexible such that the first distal end displaces in a first direction when the battery door is moved from an open position to the closed position. The displacement of the first distal end has a primary directional component parallel to the pivot axis.
- Also disclosed is a closure member for a hearing device. The closure member comprises a closure body and a first closure arm. The closure body and the first closure arm forms an angle in the range from 90 to 170 degrees.
- Descriptions of features relating to the closure member are equally applicable to the closure member of the disclosed hearing device, and vice versa. Consequently, throughout the description reference to "the closure member" is a reference to both the closure member and the closure member of the hearing device.
- The disclosed hearing device and closure member provide a durable and sustainable closure mechanism for a battery door of a hearing device. Furthermore, a separable closure member allows the closure member and the hearing device housing to be manufactured as two independent parts, providing a high degree of design freedom, e.g. with relation to materials.
- The possibility of manufacturing the closure member independently from the hearing device housing and the battery door offers several benefits.
- The closure member may easily be manufactured in a material different from the hearing device housing. It is desired, within the technical field, to manufacture different parts by materials having mechanical properties matching the mechanical requirements of the specific part. For example, the closure member is subject to mechanical wear and requires flexibility which is quite different from requirements of the housing.
- A closure member independent from the housing provides an increased design freedom.
- Furthermore, the disclosed hearing device and closure member provides the closure member as an exchangeable part which may be exchanged if needed, especially beneficial for parts, such as the closure member, which are subject to mechanical wear and tear.
- As a further advantage, the disclosed hearing device and closure member facilitates a small battery door, and limited requirements for tolerances of parts.
- As an even further advantage, the closure mechanism provides reduced wear on the battery hinge arrangement, e.g. the primary directional component of the displacement of the first and or a second closure arm being parallel to the pivot axis reduces wear on the battery door hinge arrangement and closure arrangement.
- In the following, exemplary hearing devices and parts thereof are explained in more detail with reference to the drawings, wherein
- Fig. 1
- schematically illustrates at least partly an exemplary hearing device with a battery door,
- Fig. 2
- schematically illustrates an exemplary battery door,
- Fig. 3
- schematically illustrates an exemplary closure member,
- Fig. 4
- schematically illustrates an exemplary closure member,
- Fig. 5
- is a side view of a closure member,
- Fig. 6A and 6B
- schematically illustrate a hearing device with a battery door in an open position,
- Fig. 7A and 7B
- schematically illustrate a hearing device with a battery door in a closed position,
- Fig. 8A and 8B
- schematically illustrate a hearing device with a battery door in a semi-closed position,
- Fig. 9 and 10
- schematically illustrate an exemplary closure device and an exemplary closure member,
- Fig. 11
- schematically illustrates an exemplary hearing device housing with a closure member, and
- Fig. 12
- schematically illustrates an exemplary closure member.
- The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. The invention may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like reference numerals refer to like elements throughout. Like elements will not necessarily be described in detail with respect to the description of each figure.
- The housing of the hearing device may comprise one or more shell parts. For example, the housing may comprise a frame carrying one or more shell parts.
- The closure member comprises the first closure arm with the first distal end. The first distal end is displaced in a first direction when the battery door is moved from an open (first) position to a closed (second) position or to a semi-closed (third) position. Alternatively or additionally, the first distal end may be displaced in the first direction when the battery door is moved from the closed to the open position.
- The displacement of the first distal end has a primary directional component parallel to and/or within ±10 degrees of the pivot axis.The displacement of the first distal end may have a secondary directional component. The secondary directional component of the displacement of the first distal end may be perpendicular to the pivot axis. The secondary directional component of the displacement of the first distal end may be smaller than the primary directional component of the displacement of the first distal end, such as less than 50% of the primary directional component.
- The first closure arm may comprise a first protrusion at the first distal end.
- The first protrusion may be designed to engage with one or more recesses of the closure device of the battery door. For example, the first protrusion may be designed to engage with the first primary closure element. In the closed position, the first protrusion may be engaged with the first primary closure element. The first primary closure element may form a recess adapted to fit or accommodate the first protrusion e.g. in the closed position.
- The closure device may comprise a first secondary closure element. The first closure arm may be configured to engage with the first secondary closure element when the battery door is in a semi-closed position.
- The first protrusion may be designed to engage with the first secondary closure element. In the semi-closed position, the first protrusion may be engaged with the first secondary closure element. The first secondary closure element may form a recess adapted to fit or accommodate the first protrusion, e.g. in the semi-closed position.
- When the user closes or opens the battery door, i.e. the battery door is moved from one position to another position, e.g. from one of the open, semi-closed or closed positions to another position of the open, semi-closed or closed positions, the first protrusion may contact an surface, e.g. a leading or trailing surface, of the first primary closure element and/or first secondary closure element and cause displacement of the first distal end of the first closure arm. Thus, the first protrusion necessitates that a user needs to exert a force on the battery door to move the battery door from one position to another position. The first protrusion retains the battery door in a position, such as the closed, semi-closed position, and/or open position.
- The closure member may comprise a second closure arm with a second distal end. The closure device may comprise a second primary closure element configured to engage with the second closure arm when the battery door is in a closed position. The second closure arm may be flexible such that the second distal end displaces in a second direction when the battery door is moved from the open position to the closed position. Alternatively or additionally, the second distal end may be displaced in the second direction when the battery door is moved from the closed to the open position. The displacement of the second distal end may have a primary directional component parallel to the pivot axis. Furthermore, the displacement of the second distal end may have a secondary directional component. The secondary directional component of the displacement of the second distal end may be perpendicular to the pivot axis. The secondary directional component of the displacement of the second distal end may be smaller than the primary directional component of the displacement of the second distal end, such as less than 50% of the primary directional component.
- The second closure arm may comprise a second protrusion at the second distal end.
- The second protrusion may be designed to engage with one or more recesses of the closure device of the battery door. For example, the second protrusion may be designed to engage with the second primary closure element. In the closed position, the second protrusion may be engaged with the second primary closure element. The second primary closure element may form a recess adapted to fit or accommodate the second protrusion.
- The closure device may comprise a second secondary closure element. The second closure arm may be configured to engage with the second secondary closure element when the battery door is in a semi-closed position.
- The second protrusion may be designed to engage with the second secondary closure element. In the semi-closed position, the second protrusion may be engaged with the second secondary closure element. The second secondary closure element may form a recess adapted to fit or accommodate the second protrusion.
- A closure element, such as the first primary closure element, the first secondary closure element, the second primary closure element, and/or the second secondary closure element, may comprise a leading surface, a first surface, a trailing surface and/or a second surface. The leading surface and/or the trailing surface of the closure element may be inclined relative to an axis parallel to the pivot axis. The first surface and/or the second surface of the closure element may be perpendicular to an axis parallel to the pivot axis.
- A closure arm, such as the first closure arm and/or second closure arm, may comprise a leading surface, a first surface and/or a trailing surface. The leading surface and/or the trailing surface of the closure arm may be inclined relative to an axis parallel to the pivot axis. The first surface of the closure arm may be perpendicular to an axis parallel to the pivot axis. The leading surface, the first surface and/or the trailing surface of the closure arm may form the first and/or second protrusion.
- When the user closes or opens the battery door, i.e. the battery door is moved from one position to another position, e.g. from one of the open, semi-closed or closed positions to another position of the open, semi-closed or closed positions, the second protrusion may contact an surface, e.g. the leading or trailing surface, of the second primary closure element and/or second secondary closure element and cause displacement of the second distal end of the second closure arm. Thus, the second protrusion necessitates that a user needs to exert a force on the battery door to move the battery door from one position to another position. The second protrusion retains the battery door in a position, such as the closed, semi-closed position, and/or open position.
- The first closure element(s), i.e. the first primary closure element and/or the secondary closure element, may be arranged oppositely to the second closure element(s), i.e. the second primary closure element and/or the second secondary closure element. For example, the first closure element(s) may face the second closure element(s), or the first closure element(s) may face away from the second closure element(s).
- The first direction and/or the primary directional component of the first direction and the second direction and/or the primary directional component of the second direction may be opposite. For example, the first direction and/or the primary directional component of the first direction and the second direction the primary directional component of the second direction may be towards each other, or the first direction and/or the primary directional component of the first direction and the second direction and/or the primary directional component of the second direction may be away from each other.
- The first primary closure element may be arranged oppositely the second primary closure element, such that the first protrusion engage the first primary closure element concurrently, or substantially concurrently, with the second protrusion engaging the second primary closure element. Alternatively and/or additionally, the first secondary closure element may be arranged oppositely the second secondary closure element, such that the first protrusion engage the first secondary closure element concurrently, or substantially concurrently, with the second protrusion engaging the second secondary closure element.
- Arranging closure elements opposite each other reduces internal stress of the closure element and/or distributes the internal stress more appropriately.
- The first protrusion and the second protrusion may extend in opposite directions. For example, the first protrusion and the second protrusion may extend towards and/or facing each other, or the first protrusion and the second protrusion may extend away from each other.
- Arranging the first direction and second direction to be opposite, or at least their respective primary directional components to be opposite and/or the first protrusion and the second protrusion to extend in opposite directions, may provide a closure device with reduced requirement to the fastening to the hearing device housing, since a force generating displacement of the first distal end in the first direction is balanced, or at least partly balanced, by another force generating displacement of the second distal end in the second direction.
- Balancing forces, reducing internal stress and/or distributing internal stress reduces requirements to the material and manufacturing processes, and reduces the risk of failing parts. Furthermore, an increased design freedom and reduction in size may be archieved.
- The first closure arm and the second closure arm may form an angle larger than 5 degrees, such as larger than 10 degrees, such as larger than 15 degrees. The first closure arm may extend along a first arm axis. The second closure arm may extend along a second arm axis. The first arm axis and the second arm axis may intersect with forming an angle larger than 5 degrees, such as larger than 10 degrees, such as larger than 15 degrees. The angle between the first closure arm and the second closure arm provide that the closure body may be reduced in size, thus, reducing the size of the hearing device.
- The primary directional component of the displacement of the first and/or second distal end may be larger than 0.1 mm, such as larger than 0.3 mm, such as larger than 0.8 mm.
- The ratio between the primary and secondary directional component of the displacement of the first and/or second distal end may be more than 2:1, such as more than 5:1, such as more than 10:1, wherein the secondary directional component is smaller than the primary directional component.
- The closure member may comprise a closure body with the first closure arm and/or the second closure arm extending from the closure body. The closure body may have one or more through holes or one or more cut-outs. One or more through holes or cut-outs in the closure body may facilitate improved stress distribution and/or reduced internal strain in the closure member. Further or alternatively, the elastic properties of the closure arm(s) may be controlled and/or higher design freedom in the dimensions of the closure arms may be allowed. The closure body or parts thereof may be configured for engagement with a dock of the housing.
- The closure body and the first closure arm and/or the second closure arm may form an angle less than 180 degrees, such as in the range from 90 to 170 degrees, such as in the range from 110 to 150 degrees, such as in the range from 120 to 130 degrees. The angle between the closure body and the closure arm(s) may provide easier closure of the battery door. The angle provides the closure device of the battery door to engage with the closure member while the battery door is rotating about the pivot axis. Furthermore, the angle provides the possibility of arranging the closure device close to the perimeter of the battery compartment, thus, achieving a small sized battery door and hearing device.
- The closure member may be removably attached to the housing. The housing may comprise a dock for receiving the closure member and connecting the closure member to the housing. The dock may be configured for engagement with a closure body or parts thereof.
- The dock and/or the closure body may comprise locking element(s), such as a dock locking element and/or a closure body locking element. The locking element(s) may act to retain the closure member when the closure body is inserted into the dock, e.g. providing a press-fit-lock, a click-lock and/or a twist-lock.
- The dock may comprise a dock locking element, e.g. a protrusion and/or a recess. The closure body may comprise a closure body locking element, e.g. a protrusion and/or a recess. The dock locking element and/or the closure body locking element may interact to retain the closure member when the closure body is inserted into the dock.
- The dock may comprise a first rail for receiving a first side of the closure body. Additionally, the dock may comprise a second rail opposite the first rail. The second rail may be adapted to receive a second side of the closure body.
- The closure member may be received in the dock by sliding the closure body into the dock in a direction parallel, or substantially parallel, to a plane defined by the closure body.
- The closure member may be received in the dock by depressing the closure body into the dock in a direction perpendicular, or substantially perpendicular, to a plane defined by the closure body.
- The provision of a dock for receiving the closure member, allows for the closure member to be independent from the housing. The closure member being independent from the housing allow increased design and manufacturing possibilities, and facilitate that the closure member may be replaced, e.g. upon failure.
- The closure member may be made from different materials, each with different benefits, such as wear resistance, ductility, flexibility and surface friction. The closure member may be made of metal. The closure member may be made of a plastic material, such as POM (Polyoxymethylene) and/or ABS (acrylonitrile butadiene styrene). For example, POM may be beneficial due to its flexible ability and surface friction.
-
Fig. 1 schematically illustrates an exemplary hearing device 2 with abattery door 12. The hearing device 2 comprises ahousing 4. Thebattery door 12 comprises abattery compartment 19. Thebattery door 12 is pivotally connected to thehousing 4, and pivots about apivot axis 13, which allows the battery door to rotate between an open and a closed position. InFig. 1 , thebattery door 12 is shown in the closed position. -
Fig. 2 schematically illustrates anexemplary battery door 12 with aclosure device 14. Theclosure device 14 comprises a firstprimary closure element 16 and an optionally firstsecondary closure element 18.Fig. 2 furthermore depicts thepivot axis 13. - The first
primary closure element 16 and the firstsecondary closure element 18 are recesses extending in a direction substantially parallel to thepivot axis 13. The firstprimary closure element 16 and the firstsecondary closure element 18 are adapted to receive the first and/or second protrusion of the closure member. -
Fig. 3 schematically illustrates anexemplary closure member 6. Theclosure member 6 comprises afirst closure arm 8 with a firstdistal end 10. Theclosure member 6 depicted furthermore comprises asecond closure arm 28 with a seconddistal end 30. Theclosure member 6 comprises aclosure body 24, and thefirst closure arm 8 and thesecond closure arm 28 extends from theclosure body 24. - The
first closure arm 8 comprises afirst protrusion 20. Thefirst protrusion 20 is located distal from the closure body. The first protrusion is, inFig. 3 , depicted at the firstdistal end 10 of thefirst closure arm 8. - The
second closure arm 28 comprises asecond protrusion 36. Thesecond protrusion 36 is located distal from the closure body. The second protrusion is, inFig. 3 , depicted at the seconddistal end 30 of thesecond closure arm 28. -
Fig. 4 schematically illustrates anexemplary closure member 6 seen from a frontal view. Theclosure member 6 comprises afirst closure arm 8 with a firstdistal end 10 and afirst protrusion 20. Theclosure member 6 furthermore comprises asecond closure arm 28 with a seconddistal end 30 and asecond protrusion 36. Theclosure member 6 comprises aclosure body 24, and thefirst closure arm 8 and thesecond closure arm 28 extends from theclosure body 24. - The
first closure arm 8 is flexible, such that the firstdistal end 10 is displaceable in afirst direction 22. Thesecond closure arm 28 is flexible, such that the seconddistal end 30 is displaceable in asecond direction 22. - The
closure body 24 comprises a throughhole 25. The through hole serves as mean to reduce internal stress in theclosure body 24 when the distal ends 10, 30 of thefirst closure arm 8 and thesecond closure arm 28 are displaced in the respective first 22 and second 38 directions. - The
first protrusion 20 is adapted to fit in the firstprimary closure element 16 and/or the firstsecondary closure element 18 of theclosure device 14. Thesecond protrusion 36 is adapted to fit in the secondprimary closure element 32 and/or the secondsecondary closure element 34 of theclosure device 14. - When the
closure device 14 is engaging with theclosure member 6, thefirst closure arm 8 is displaced in thefirst direction 22 and/or thesecond closure arm 28 is displaced in thesecond direction 38. The displacements are in the depicted example due partly to the shape of thefirst protrusion 20 and thesecond protrusion 36. Additionally and/or alternatively, the displacements may be due to the shape of theclosure device 14. -
Fig. 5 schematically illustrates anexemplary closure member 6 seen from a side view.Fig. 5 illustrates that thefirst closure arm 8 and thesecond closure arm 28 extends from theclosure body 24 with a closure body arm angle β. The closure body arm angle β may be between 90-180 degrees, such as between 105-140 degrees.Fig. 5 depicts thefirst closure arm 8 and thesecond closure arm 28 extending from theclosure body 24 with a closure body arm angle β of substantially the same magnitude. However thefirst closure arm 8 and thesecond closure arm 28 may extend from theclosure body 24 with different angles, such as thefirst closure arm 8 may extend from theclosure body 24 with a first closure body arm angle β1 and thesecond closure arm 28 may extend from theclosure body 24 with a second closure body arm angle β2. -
Figs. 6A and 6B schematically illustrates an exemplaryhearing device housing 4 with aclosure member 6 and abattery door 12 in an open position. Thebattery door 12 is rotatable about thepivot axis 13. - As seen in
Fig. 6B thebattery door 12 comprises theclosure device 14. The closure device comprises a firstprimary closure element 16, a firstsecondary closure element 18, a secondprimary closure element 32 and a secondsecondary closure element 34. When the battery door is rotated about thepivot axis 13 towards a closed position thefirst closure arm 8 is displaced in thefirst direction 22, and thesecond closure arm 28 is displaced in thesecond direction 38. - Upon rotation of the battery door towards a closed position, the contact between the inclined faces of the distal ends of the first 8 and
second closure arm 38, and the inclined face of theclosure device 14, causes the first closure arm and thesecond closure arm 38 to be displaced in respectivefirst direction 22 andsecond direction 38. -
Figs. 7A and 7B schematically illustrate an exemplaryhearing device housing 4 with aclosure member 6 and abattery door 12 in a closed position. Thebattery door 12 is rotatable about thepivot axis 13. Compared to the open position as illustrated inFigs. 5A and 5B , thebattery door 12 has been rotated about thepivot axis 13 and theclosure device 14 of thebattery door 12 is engaged with theclosure element 6. - The
first protrusion 20 of thefirst closure arm 8 is engaged with the firstprimary closure element 16, and thebattery door 12 is thus retained in the closed position. - Additionally, the depicted example shows the
closure member 6 comprising asecond closure arm 28 having asecond protrusion 36. Thesecond protrusion 36 is engaged with a secondprimary closure element 32 of theclosure device 14. Thus, in the depicted example, thebattery door 12 is additionally retained in the closed position by thesecond protrusion 36 being engaged with the secondprimary closure element 32. - The closed position as depicted in
Figs. 7A and 7B may be an on-position wherein an electrical circuit is electrically connected to a battery positioned in the battery door such that the hearing device is powered by the battery. - The flexibility of the
first closure arm 8 and thesecond closure arm 28, and the recesses provided by the firstprimary closure element 16 and the secondprimary closure element 32, provides that the firstdistal end 10 and the seconddistal end 30 are displaced opposite their respectivefirst direction 22 andsecond direction 38 when thebattery door 12 has been rotated to the closed position. - It is clear that a rotation of the
battery door 12 about thepivot axis 13 from the closed position as illustrated inFigs. 7A and 7B to the open position as illustrated inFigs. 6A and 6B involves a displacement in thefirst direction 22 of the firstdistal end 10 and a displacement in thesecond direction 38 of the seconddistal end 30. When the battery door is in the open position, the firstdistal end 10 and the seconddistal end 30 will reclaim their initial, relaxed, position by being displaced opposite thefirst direction 22 and thesecond direction 38, respectively, due to the flexibility of thefirst closure arm 8 and thesecond closure arm 28. - It is readily apparent that the flexibility of the
first closure arm 8 and thesecond closure arm 16 may be obtained by the material and design of theentire closure member 6. -
Figs. 8A and 8B schematically illustrate an exemplaryhearing device housing 4 with aclosure member 6 and abattery door 12 in a semi-closed position. Thebattery door 12 is rotatable about thepivot axis 13. Compared to the open position as illustrated inFigs. 6A and 6B and the closed position as illustrated inFigs. 7A and 7B , thebattery door 12 has been rotated about thepivot axis 13 and theclosure device 14 is engaged with theclosure element 6 in the semi-closed position. - The semi-closed position is defined by the closure device comprising a first
secondary closure element 18 and optionally a secondsecondary closure element 34. In the semi-closed position thefirst protrusion 20 is engaged with the firstsecondary closure element 18 and/or thesecond protrusion 36 is engaged with the secondsecondary closure element 34. -
Fig. 9 schematically illustrates anexemplary closure device 14 and anexemplary closure member 6. Theclosure device 14 comprises a firstprimary closure element 16. Theclosure device 14 depicted inFig. 9 furthermore comprises the optional firstsecondary closure element 18, optional secondprimary closure element 32 and optional secondsecondary closure element 34. Each of theclosure elements leading surface first surface surface second surface closure member 6 comprises afirst closure arm 8 and an optionalsecond closure arm 28. Afirst protrusion 20 is situated near a firstdistal end 10 of thefirst closure arm 8. Asecond protrusion 36 is situated near a seconddistal end 30 of thesecond closure arm 28. - Each of the first and
second protrusions leading surface distal surface surface -
Fig. 10 schematically illustrates theexemplary closure device 14 and theexemplary closure member 6 as also depicted inFig. 9 . InFig. 10 some reference numbers have been omitted for increased intelligibility. - The leading
surface 20A of thefirst closure arm 8 is inclined by a closure arm leading surface angle θ1. The trailingsurface 20C of thefirst closure arm 8 is inclined by a closure arm trailing surface angle θ2. As illustrated inFigs. 9 and10 , the leadingsurface 36A and trailingsurface 36C of thesecond closure arm 28 may exhibit similar angles as the leadingsurface 20A and trailingsurface 20C of thefirst closure arm 8. However, in other exemplary closure members the shape of thesecond closure arm 28 may be different from thefirst closure arm 8. - The leading
surface 16A of the firstprimary closure element 16 is inclined by a primary closure element leading surface angle α1, and the trailingsurface 16C of the firstprimary closure element 16 is inclined by a primary closure element trailing surface angle α2. Thefirst surface 16B of the firstprimary closure element 16 has a primary closure element height H1. The primary closure height H1 may be in the range of 0.1-0.5 mm, or in the range of 0.2-0.4 mm, or in the range of 0.25-0.35 mm. - The leading
surface 18A of the firstsecondary closure element 18 is inclined by a secondary closure element leading surface angle α3, and the trailingsurface 18C of the firstsecondary closure element 18 is inclined by a secondary closure element trailing surface angle α4. Thefirst surface 18B of the firstsecondary closure element 18 has a secondary closure element height H2. The secondary closure height H2 may be in the range of 0.1-0.6 mm, or in the range of 0.2-0.5 mm, or in the range of 0.3-0.4 mm. - As illustrated in
Fig. 10 , the leading surface 32A, the trailingsurface 32C and thefirst surface 32B of the secondprimary closure element 32 may exhibit similar angles and heights as the leadingsurface 16A, the trailingsurface 16C and thefirst surface 16B of the firstprimary closure element 16. Furthermore, the leadingsurface 34A, the trailingsurface 34C and thefirst surface 34B of the secondsecondary closure element 34 may exhibit similar angles and heights as the leadingsurface 18A, the trailingsurface 18C and thefirst surface 18B of the firstsecondary closure element 18. However, in other exemplary closure devices the shape of the secondprimary closure element 32 and the secondsecondary closure element 34 may be different from the shape of the firstprimary closure element 16 and/or the firstsecondary closure element 18. - The angles mentioned are measured, as illustrated in
Fig. 10 , between the respective surface and an intersecting axis which is parallel to thepivot axis 13. - The closure arm leading surface angle θ1, the primary closure element leading surface angle α1 and/or the secondary closure element leading surface angle α3 may be between 25-70 degrees, such as between 30-60 degrees, such as between 35-50 degrees.
- The closure arm leading surface angle θ1 may be matched with the primary closure element leading surface angle α1 and/or the secondary closure element leading surface angle α3. For example, the closure arm leading surface angle θ1, the primary closure element leading surface angle α1 and/or the secondary closure element leading surface angle α3 may be substantially equal, such as within 10 degrees difference, or within 5 degrees, e.g. in order to provide a smooth closure.
- The primary closure element leading surface angle α1 and the secondary closure element leading surface angle α3 may differ by more than 2 degrees, such as more than 4 degrees, such as more than 6 degrees. The difference between the primary closure element leading surface angle α1 and the secondary closure element leading surface angle α3 may be beneficial to provide the user with a different feel in pivoting the
battery door 12 from the open to the semi-closed position and pivoting thebattery door 12 from the semi-closed position to the closed position. - The closure arm trailing surface angle θ2, the primary closure element trailing surface angle α2 and/or the secondary closure element trailing surface angle α4 may be between 30-80 degrees, such as between 45-70 degrees, such as between 55-65 degrees.
- The closure arm trailing surface angle θ2 may be matched with the primary closure element trailing surface angle α2 and/or the secondary closure element trailing surface angle α4. For example, the closure arm trailing surface angle θ2, the primary closure element trailing surface angle α2 and/or the secondary closure element trailing surface angle α4 may be substantially equal, such as within 10 degrees difference, or within 5 degrees, e.g. in order to provide a smooth opening.
- The primary closure element trailing surface angle α2 and the secondary closure element trailing surface angle α4 may differ by more than 2 degrees, such as more than 4 degrees, such as more than 6 degrees. The difference between the primary closure element trailing surface angle α2 and the secondary closure element trailing surface angle α4 may be beneficial to provide the user with a different feel in pivoting the
battery door 12 from the closed to the semi-closed position and pivoting thebattery door 12 from the semi-closed position to the open position. - The primary closure element leading surface angle α1 and the primary closure element trailing surface angle α2 may differ by more than 2 degrees, such as more than 4 degrees, such as more than 6 degrees. The difference between the primary closure element leading surface angle α1 and the primary closure element trailing surface angle α2 may be beneficial to provide the user with a different feel in pivoting the
battery door 12 from the closed to the semi-closed or open position and pivoting thebattery door 12 from the semi-closed or open position to the closed position. - The primary closure element leading surface angle α1 may be bigger than the primary closure element trailing surface angle α2, thereby providing a battery door where the force required to pivot the
battery door 12 from the open or semi-closed position to the closed position is less than the force required to pivot thebattery door 12 from the closed to the semi-closed or open position. - The
battery door 12 is pivoted from the closed to the open position, and conversely from the open position to the closed position, if the optional firstsecondary closure element 18 is omitted. - The secondary closure element leading surface angle α3 and the secondary closure element trailing surface angle α4 may differ by more than 2 degrees, such as more than 4 degrees, such as more than 6 degrees. The difference between the secondary closure element leading surface angle α3 and the secondary closure element trailing surface angle α4 may be beneficial to provide the user with a different feel in pivoting the
battery door 12 from the semi-closed to the open position and pivoting thebattery door 12 from the open position to the semi-closed position. - The secondary closure element leading surface angle α3 may be bigger than the secondary closure element trailing surface angle α4, thereby providing a
battery door 12 where the force required to pivot thebattery door 12 from the semi-closed position to the closed position is less than the force required to pivot thebattery door 12 from the open position to the semi-closed position. - The primary closure element height H1 and the secondary closure element height H2 are indicative of the displacement of the first
distal end 10 needed for theclosure device 14 to engage with thefirst closure arm 8. Thus, the closure element heights H1, H2 are measured relative to thefirst surface 20B ofclosure arm 8 when theclosure element 6 is in a relaxed state, i.e. not in contact with theclosure device 14, such as in the open position. - The primary closure element height H1 and the secondary closure element height H2 may be different to provide the user with a different feel in pivoting the
battery door 12 between the open position and semi-closed position and pivoting thebattery door 12 between the semi-closed position and the closed position. For example, the secondary closure element height H2 may be larger than the primary closure element height H1. -
Fig. 11 schematically illustrates an exemplaryhearing device housing 4 with aclosure member 6. Theclosure member 6 is similar to theclosure member 6 as described in relation to the previous figures. The housing comprises adock 26 adapted to receive theclosure member 6, and connecting theclosure member 6 to thehousing 4. Thus, theclosure member 6 is removably attached to thehousing 4. Thedock 26 is adapted to slidably receive and engage with theclosure body 24 of theclosure member 6. -
Fig. 12 schematically illustrates an exemplary closure member 6' seen from a frontal view. The closure member 6' is similar to theclosure member 6 as described inFig. 4 . However, theclosure body 24 of closure member 6' has a cut-out 25'. The cut-out 25' serves as mean to reduce internal stress in theclosure body 24 when the distal ends 10, 30 of thefirst closure arm 8 and thesecond closure arm 28 are displaced in the respective first 22 and second 38 directions. - The formation of a cut-out 25' in the
closure body 24 provides that theclosure body 24 comprises a first closurebody lock arm 27 and/or a second closure body lock arm 27'. The first and second closure body lockarms 27, 27' may act to lock the closure member 6' when inserted in adock 26 of ahearing device housing 4 as described in relation toFig. 11 . - The scope of the present invention is defined by the appendent claims. All embodiments which do not fall under the scope of the appendent claims are examples which are useful to understand the invention, but do not form part of the present invention.
-
- 2
- hearing device
- 4
- housing
- 6
- closure member
- 8
- first closure arm
- 10
- first distal end
- 12
- battery door
- 13
- pivot axis
- 14
- closure device
- 16
- first primary closure element
- 16A
- leading surface of first primary closure element
- 16B
- first surface of first primary closure element
- 16C
- trailing surface of first primary closure element
- 16D
- second surface of first primary closure element
- 18
- first secondary closure element
- 18A
- leading surface of first secondary closure element
- 18B
- first surface of first secondary closure element
- 18C
- trailing surface of first secondary closure element
- 18D
- second surface of first secondary closure element
- 19
- battery compartment
- 20
- first protrusion
- 20A
- leading surface of first closure arm
- 20B
- first surface of first closure arm
- 20C
- trailing surface of first closure arm
- 22
- first direction
- 24
- closure body
- 25
- through hole
- 25'
- cut-out
- 26
- dock
- 27
- first closure body lock arm
- 27'
- second closure body lock arm
- 28
- second closure arm
- 30
- second distal end
- 32
- second primary closure element
- 32A
- leading surface of second primary closure element
- 32B
- first surface of second primary closure element
- 32C
- trailing surface of second primary closure element
- 32D
- second surface of second primary closure element
- 34
- second secondary closure element
- 34A
- leading surface of second secondary closure element
- 34B
- first surface of second secondary closure element
- 34C
- trailing surface of second secondary closure element
- 34D
- second surface of second secondary closure element
- 36
- second protrusion
- 36A
- leading surface of second closure arm
- 36B
- first surface of second closure arm
- 36C
- trailing surface of second closure arm
- 38
- second direction
- 50
- displacement of first distal end
- 52
- primary directional component of displacement of first distal end
- 54
- secondary directional component of displacement of first distal end
- 60
- displacement of second distal end
- 62
- primary directional component of displacement of second distal end
- 64
- secondary directional component of displacement of second distal end
- θ1
- closure arm leading surface angle
- θ2
- closure arm trailing surface angle
- α1
- primary closure element leading surface angle
- α2
- primary closure element trailing surface angle
- α3
- secondary closure element leading surface angle
- α4
- secondary closure element trailing surface angle
- β
- closure body arm angle
- H1
- primary closure element height
- H2
- secondary closure element height
Claims (13)
- A hearing device (2) comprising- a housing (4);- a battery door (12) attached to the housing (4) and configured to pivot in relation to the housing (4) about a pivot axis (13);- closure member (6) attached to the housing (4) and having a first closure arm (8) with a first distal end (10);- the battery door (12) comprising a closure device (14) comprising a first primary closure element (16) configured to engage with the first closure arm (8) when the battery door (12) is in a closed position,wherein the first closure arm (8) is flexible such that the first distal end (10) displaces in a first direction (22) when the battery door (12) is moved from an open position to the closed position, wherein the displacement of the first distal end (10) has a primary directional component parallel to the pivot axis (13); and
characterized in that the closure device (14) comprises a first secondary closure element (18), wherein the first closure arm (8) is configured to engage with the first secondary closure element (18) when the battery door (12) is in a semi-closed position. - Hearing device according to claim 1, wherein the displacement of the first distal end has a secondary directional component perpendicular to the pivot axis, the secondary directional component being smaller than the primary directional component.
- Hearing device according to any of the claims 1-2, wherein the closure member comprises a closure body with the first closure arm extending from the closure body.
- Hearing device according to claim 3, wherein the closure body and the first closure arm forms an angle in the range from 90 to 170 degrees.
- Hearing device according to any of the preceding claims, wherein the closure member is made of metal.
- Hearing device according to any of the claims 1-4, wherein the closure member is made of a plastic material, such as POM (Polyoxymethylene).
- Hearing device according to any of the preceding claims, wherein the housing comprises a dock for receiving the closure member and connecting the closure member to the housing.
- Hearing device according to any of the preceding claims, wherein the first closure arm comprises a first protrusion at the first distal end.
- Hearing device according to any of the preceding claims, wherein the closure member comprises a second closure arm with a second distal end, the closure device comprising a second primary closure element configured to engage with the second closure arm when the battery door is in a closed position, and wherein the second closure arm is flexible such that the second distal end displaces in a second direction when the battery door is moved from the open position to the closed position, wherein the displacement of the second distal end has a primary directional component parallel to the pivot axis.
- Hearing device according to claim 9, wherein the first direction and the second direction are opposite.
- Hearing device according to any of claims 9-10, wherein the first closure arm and the second closure arm form an angle larger than 5 degrees.
- Hearing device according to any of claims 9-11, wherein the second closure arm comprises a second protrusion at the second distal end.
- Hearing device according to any of claims 9-12, wherein the closure device comprises a second secondary closure element, wherein the second closure arm is configured to engage with the second secondary closure element when the battery door is in a semi-closed position.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14157440.0A EP2916566B1 (en) | 2014-03-03 | 2014-03-03 | Hearing device with closure mechanism |
DK14157440.0T DK2916566T3 (en) | 2014-03-03 | 2014-03-03 | Hearing aid with closing mechanism |
US14/199,243 US9319811B2 (en) | 2014-03-03 | 2014-03-06 | Hearing device with closure mechanism |
JP2015037218A JP6616079B2 (en) | 2014-03-03 | 2015-02-26 | Hearing device with closure mechanism |
CN201510093816.8A CN104902417B (en) | 2014-03-03 | 2015-03-03 | Hearing device with closure mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14157440.0A EP2916566B1 (en) | 2014-03-03 | 2014-03-03 | Hearing device with closure mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2916566A1 EP2916566A1 (en) | 2015-09-09 |
EP2916566B1 true EP2916566B1 (en) | 2019-05-08 |
Family
ID=50189591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14157440.0A Active EP2916566B1 (en) | 2014-03-03 | 2014-03-03 | Hearing device with closure mechanism |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2916566B1 (en) |
DK (1) | DK2916566T3 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2229008B1 (en) * | 2009-03-09 | 2013-09-11 | Oticon A/S | Hearing aid |
US8660284B2 (en) * | 2011-01-07 | 2014-02-25 | Panasonic Corporation | Hearing aid |
-
2014
- 2014-03-03 EP EP14157440.0A patent/EP2916566B1/en active Active
- 2014-03-03 DK DK14157440.0T patent/DK2916566T3/en active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
DK2916566T3 (en) | 2019-05-20 |
EP2916566A1 (en) | 2015-09-09 |
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