EP3801116A1 - Folding clasp for a wrist watch and method for retrofitting same - Google Patents
Folding clasp for a wrist watch and method for retrofitting sameInfo
- Publication number
- EP3801116A1 EP3801116A1 EP19732120.1A EP19732120A EP3801116A1 EP 3801116 A1 EP3801116 A1 EP 3801116A1 EP 19732120 A EP19732120 A EP 19732120A EP 3801116 A1 EP3801116 A1 EP 3801116A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bracket
- pin
- bracelet
- blocking
- frame
- 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.)
- Granted
Links
- 210000000707 wrist Anatomy 0.000 title claims abstract description 11
- 238000009420 retrofitting Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 title claims description 7
- 230000000903 blocking effect Effects 0.000 claims abstract description 103
- 230000007246 mechanism Effects 0.000 claims abstract description 101
- 239000002981 blocking agent Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 241001422033 Thestylus Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/18—Fasteners for straps, chains or the like
- A44C5/22—Fasteners for straps, chains or the like for closed straps
- A44C5/24—Fasteners for straps, chains or the like for closed straps with folding devices
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/20—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts engaging holes or the like in strap
- A44B11/22—Buckle with fixed prong
- A44B11/223—Buckle with fixed prong fixed on a movable element
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/20—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts engaging holes or the like in strap
- A44B11/22—Buckle with fixed prong
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/18—Fasteners for straps, chains or the like
- A44C5/22—Fasteners for straps, chains or the like for closed straps
- A44C5/24—Fasteners for straps, chains or the like for closed straps with folding devices
- A44C5/246—Fasteners for straps, chains or the like for closed straps with folding devices having size adjusting means
Definitions
- the invention relates to a folding clasp, a wristwatch with such a folding clasp and a method for
- the ends of wristbands of wristwatches are usually connected with pin buckles or folding clasps to be normally attached to the arm of the wearer.
- the deployment buckle has an open state with a large opening perimeter and a closed state with a small opening aisle. Due to the mounting position of the strap on the deployment clasp, the small
- Opening circumference can be adjusted to the arm circumference of the wearer. By the subsequent opening or closing can thus the
- the opening extent of the band can be increased or decreased in one go to the set positions without further intervention by the wearer, in order to remove the wristwatch from or to fix it on the arm.
- the captivating advantage is that when the deployment buckle is open, the watch can not fall off the wrist unchecked or unnoticed. Since the watch also forms a closed ring in the opened state, the wristwatch can only be removed by hand. If the folding clasp unintentionally open, so the wrist watch slips over the arm hanging arm
- one end of the bracelet is fixedly connected to a first end of the deployment clasp and a second end of the bracelet is connected in an adjustable axial position to the second end of the deployment clasp to adjust the circumference of the bracelet in the closed state of the deployment buckle.
- a pin that extends through the wristband in the desired position.
- the bracelet loses stiffness near said position and / or the holes for performing the pin are noisy. This can lead to the pin unintentionally slipping out of the wristband when the folding clasp is open and the wristwatch falling off the wrist as uncontrollably or unnoticed as in the case of pin buckles and the deployment clasp actually no longer fulfilling the important purpose of unintentional falling, unless the band in question has been delivered in time a new one is exchanged.
- this object is achieved by a folding clasp with a pin for fixing the axial position of a flexible bracelet and with a blocking agent.
- the blocking means is adapted to hold the end of the stylus passed through the bracelet so that the
- Bracelet remains blocked in the open state of the deployment clasp on the pen. This has the advantage that slipping out of the pin from the bracelet in the open state of the deployment buckle is effectively prevented. At the same time, the existing folding clasp mechanism need only be changed slightly since only the blocking agent needs to be added.
- Attachment mechanism rotatably attached to the second bracket about a rotation axis.
- the second attachment mechanism and the second bracket are one along the attachment axis
- the blocking means is rotatably mounted on the shaft to the pin and / or to the second bracket.
- Fixing mechanism hardly needs to be changed. It suffices to rotatably support a blocking means on the shaft for the existing mechanism.
- a blocking means is particularly easily created, which can rotate to the second bracket and / or is rotatably arranged to the pin. The latter allows the blocking means to move between a blocking and releasing state.
- the blocking means includes a blocking aperture configured to receive and retain the distal end of the pin.
- the blocking opening is formed by two oppositely disposed leaf spring elements.
- the blocking opening is formed by two oppositely disposed leaf spring elements. This allows it by a slight pressure of the distal end of the pin against the blocking opening and thus against the spring force to open this slightly and allow the distal end of the pin to engage.
- the two leaf spring elements are formed from the same leaf spring.
- the blocking means forms at least one eyelet for rotatable Storage of the leaf spring element on a shaft of the same leaf spring.
- the blocking agent can be formed in one piece and thus is easy to manufacture.
- the blocking mechanism is particularly simple and effective by the spring action of the leaf spring.
- the second attachment mechanism has a frame for the bracelet, the pin being removed from the frame
- the frame having a first side with the pin and two lateral sides, the pin protruding from the first side of the frame in the direction of the second bracket, wherein the
- Locking mechanism is independent of the blocking means to hold the first and the second bracket in the closed state.
- the blocking means is disposed between the second bracket and the frame
- the blocking agent is retrofitted to an existing deployment clasp.
- the existing deployment clasp has a shaft around which the second bracket and the second
- Retrofitting includes mounting the blocking means on the shaft such that the blocking means is rotatable relative to the pin and / or to the second bracket. This type of assembly of the blocking agent allows a particularly simple retrofitting, which can be easily performed even by a layman.
- FIG. 1 is a three-dimensional view of a first embodiment of the closed folding clasp with a dashed and
- Fig. 2 is a side view of a second embodiment of the
- Fig. 3 is a sectional view of the second embodiment of
- Fig. 4 is a three-dimensional view of an embodiment of the
- Fig. 5 is a top view of the embodiment of
- Fig. 6 is a side view of the embodiment of the blocking means.
- Fig. 1 to 3 show two embodiments of the
- FIG. 1 the bracelet is shown transparent and dashed.
- Fig. 2 and 3 the folding clasp 1 is shown without strap 22.
- Fig. 2 the hidden contours of
- the folding clasp 1 is preferably used in a wristwatch comprising the folding clasp 1, a watch case with a watch mechanism and / or electronics and a bracelet 2. Die
- Deployment clasp 1 is as an opening mechanism for the wristwatch
- the folding clasp 1 is formed the bracelet 2 of
- the folding clasp 1 is connected via a first strap 21 to a first side of the watch case and via a second strap 22 to a second side of the watch case.
- first bracelet 21 and the second bracelet 22 by a common or connected bracelet, for example, below the Watch case runs.
- the bracelet 2 has two flat sides and two lateral sides. These four sides are preferably roughly parallel to the longitudinal axis and the axial direction of the bracelet, respectively.
- a lower flat side is directed to the arm of the wristwatch wearer.
- An upper flat side opposite the lower flat side is directed outwards, i. away from the wearer's arm.
- the bracelet 2 has a first end and a second end. A first end of the bracelet 2 is connected to a later-described first fixing mechanism 6 of the folding clasp 1 or the watch case.
- the second end of the bracelet 2 is connected in different adjustable attachment positions with a later described second attachment mechanism 7 of the folding clasp 1.
- the different adjustable attachment positions can be realized for example by holes 23 in the bracelet 2.
- the second end of the bracelet 2 is preferably realized by a second end of the second bracelet 22, wherein the first end of the second
- the Wristband 22 is connected to the watch case.
- the first end of the bracelet 2 is preferably realized by a first end of the first bracelet 21, wherein the second end of the first bracelet 21 with the
- Fixing mechanism 7 is fixed and the bracelet 2 or the watch case is connected to the first fastening mechanism 6 of the deployment buckle, so form the watch case, the bracelet 2 and the
- Unfold 1 a closed ring.
- the axial direction or the longitudinal axis of the bracelet 2 or the folding clasp 1 is intended here
- the deployment buckle 1 is configured to be moved between an open state and a closed state.
- said ring In the open state, said ring has a larger diameter than in the closed state. This is achieved in that the distance between the first and second attachment mechanism 6 and 7 in the closed state is smaller than in the open state.
- the wristwatch In the open Condition with the larger circumference, the wristwatch can be easily passed over the hand to the forearm. In the closed state, the circumference is reduced, so that the wristwatch no longer fits over the hand and is thus blocked in this state.
- Fixing mechanism 7 the circumference of the ring or the
- Wristwatch can be adjusted to the circumference of the wearer's wrist.
- the wristwatch ring described remains closed (as long as the wristband 2 is connected to the deployment buckle 1). Only when the bracelet 2 is removed from the second attachment mechanism 7 (or also the first attachment mechanism 6), the ring is opened.
- the folding clasp 1 has a first bracket 3 and a second bracket 4.
- the first bracket 3 has a first end and a second end.
- the first bracket 3 has a longitudinal axis.
- the longitudinal axis preferably extends along the longest side and / or from the first end to the second end.
- the first bracket 3 has two flat sides and two lateral sides.
- a lower flat side is directed to the arm of the wristwatch wearer.
- An upper flat side opposite the lower flat side is directed outwards, i. away from the wearer's arm.
- the first bracket 3 is preferably shaped to follow a slight curvature.
- the two flat sides are curved.
- the first bracket 3 or the folding clasp 1 better follows the shape of the arm of the wearer of the wristwatch and / or the first bracket 3 has a spring tension, which is for the
- the first bracket 3 is preferably arranged in the folding clasp 1, that it rests in the closed state of the folding clasp 1 on the arm of the wearer.
- the first bracket 3 preferably has a recess in which the second bracket 4 is received.
- This recess is preferably arranged on the upper side of the first bracket 3 and is not continuous. However, it is also possible that the recess is partially or completely continuous, so that the (upper and lower) flat side of the bracket 3 is formed by two webs. It is also possible, instead of a recess, to arrange the two brackets 3 and 4 next to each other.
- the first bracket 3 has a first attachment mechanism 6 for attachment to a wristwatch.
- Mounting mechanism 6 is preferably designed to attach the bracelet 2 of the wristwatch, preferably the first strap 22 of the wristwatch.
- the first attachment mechanism 6 is designed to secure the wristwatch or its bracelet 2 so that its axial position is not adjustable (but fixed).
- the first attachment mechanism 6 is one in the first
- Fixing mechanism 6 mounted shaft 62 realized, on which the bracelet 2, in particular a loop of the bracelet 2 (rotatable) can be stored.
- the shaft 62 is a spring bar, which is between two recesses in the side walls 63 of the first
- Mounting mechanism 6 is mounted. Thus, the shaft 62 can be easily taken out to attach the bracelet 2 or 21 thereto
- the longitudinal axis 61 of the shaft 62 preferably extends at right angles to the axial direction of the bracelet 2 and / or parallel to the flat side (s) of the bracelet 2.
- Fixing mechanism 6 the axial mounting position of the bracelet 2 can be adjusted.
- the first attachment mechanism 6 is preferably arranged at the second end of the first bracket 3.
- the first bracket 3 further comprises connecting means for movably connecting, preferably rotatably, the first bracket 3 to the second bracket 4.
- the connecting means is preferably a recess which is mounted on a shaft 52.
- the recess is here by two lateral bearing points or Lagerauslangept
- the recess of the connecting means is preferably formed to store a shaft 52 whose longitudinal axis or Rotation axis 51 parallel to the shaft 62 and its longitudinal axis 61 and / or to the shaft 78 and axis 77 and / or perpendicular to the axial direction of the first bracket 3 and / or parallel to the flat sides of the first bracket 3 is arranged.
- the connecting means is preferably arranged at the first end of the first bracket 3. But it is also possible, the connecting means and / or the first
- Fixing mechanism 6 not to be arranged at the first and / or second end. It is sufficient if the connecting means and the first
- Fixing mechanism 6 along the longitudinal axis of the first bracket 3 are spaced.
- the second bracket 4 has a first end and a second end.
- the second bracket 4 has a longitudinal axis.
- the longitudinal axis preferably extends along the longest side and / or from the first end to the second end and / or, in the closed state of the deployment buckle, basically parallel to the longitudinal axis of the first bracket 3 and / or the wristband 2.
- the second one Strap 4 has two flat sides and two lateral sides.
- the two flat sides and the two lateral sides are parallel to the
- the second bracket 4 Longitudinal axis of the second bracket 4.
- a lower flat side is directed to the arm of the wearer of the wristwatch.
- An upper flat side opposite the lower flat side is directed outwards, i. away from the wearer's arm.
- the second bracket 4 is preferably shaped to follow a slight curvature along the longitudinal axis. Preferably, the two flat sides are curved. As a result, the second bracket 4 or the folding clasp 1 better follows the shape of the arm of the
- Wearer of the watch and / or the second bracket 4 has a
- the second bracket 4 is preferably arranged in the folding clasp 1, that it is arranged in the closed state of the folding clasp 1 on the first bracket 3 and / or in the recess of the first bracket 3. It is also possible that the first bracket 3 is arranged in the closed state of the folding clasp 1 next to the second bracket 4.
- the second bracket 4 has a second
- Fixing mechanism 7 for attaching the bracelet 2, in particular the second bracelet 22 of the wristwatch on.
- Fixing mechanism 7 is designed to adjust the bracelet 2 and 22 adjustable in its axial mounting position. As a result, the length or the circumference of the wristwatch or by the
- the second attachment mechanism 7 has for this purpose
- the pin 74 is arranged and / or formed so that it can be passed through the bracelet 2, so as to fix the bracelet 2 in its set axial mounting position.
- the pin 74 protrudes from the second attachment mechanism 7 with a distal end of the pin 74. The distal end of the pin 74 can thus be passed through the bracelet 2, threaded, pressed or pricked.
- the second attachment mechanism 7 is formed so that the bracelet 2 through the second
- Fixing mechanism 7 can be moved in the axial direction, and / or the distal end of the pin 74 can be performed from a flat side to other flat side of the bracelet 2.
- the pin 74 is arranged so that the distal end of the pin 74 is passed from the upper flat side to the lower flat side to fix the bracelet 2 in the second attachment mechanism 7. That is, in the closed state of the folding clasp 1 shows the distal end of the pin 74 in principle in the direction of the first and / or second bracket 3, 4.
- This has the advantage that the blocking means described later is less visible and / or from the second bracket 4 experiences a counterpressure when the pin 74 is pressed against the blocking means 8.
- the pin 74 so
- the distal end of the pin 74 is passed from the lower flat side to the upper flat side to attach the bracelet 2 in the second attachment mechanism 7, and / or that in the closed state of the deployment buckle 1, the distal end of the pin 74 basically away from the first and / or second bracket 3, 4 away.
- the second attachment mechanism 7 has a frame.
- the frame has at least one, preferably two opposite side parts or side walls 72 and 73, which are connected by a connecting element or a connecting wall 71.
- the pin 74 extends orthogonal to the
- the pin 74 is preferably arranged in the middle between the two side parts 72 and 73.
- the frame of the second attachment mechanism 7 is shaped so that the lateral sides of the bracelet are guided parallel to the side walls 72 and 73 and the (upper) flat side of the bracelet are guided parallel to the connecting element 71.
- the fourth side of the frame (opposite to
- Connecting part 71) in the embodiment shown by the second bracket 4 and / or a later described shaft 78 is closed, so that the fastening mechanism 7 (here together with the second bracket 4 or the shaft 78) forms a (preferably closed) implementation, the only allows and / or does not permit the axial removal of the bracelet 2 from the second attachment mechanism 7
- Bracelet 2 laterally from the second attachment mechanism. 7
- the pin 74 is movably formed so that the pin 74 (here together with the frame / second attachment mechanism 7) (for fixing the axial attachment position) is guided into the bracelet 2 and out of the bracelet 2 (to release the axial position) can.
- the pin 74 preferably the
- Frame / second attachment mechanism 7 movable, preferably rotatably connected to the second bracket 4.
- the second bracket 4 is on one in the frame or the second
- Mounting mechanism 7 mounted shaft 78 rotatably mounted about the axis of rotation 77.
- the shaft 78 thus extends between the two side walls 72 and 73.
- the second bracket 4 and the second attachment mechanism 7 are thus arranged relative to each other (about the rotation axis 77) rotatably.
- the axis of rotation 77 or the longitudinal axis 77 of the shaft 78 is preferably parallel to the rotational and / or longitudinal axis 51 and / or 61 and / or to the shaft 52 and / or 62.
- Fixing mechanism 7 is preferably arranged at the second end of the second bracket 4.
- the shaft 78 is a spring bar, which is mounted between two recesses in the side walls 72, 73 of the second attachment mechanism 7.
- the second bracket 4 has a connecting means to the second bracket 4 to the first bracket 3 movable, preferably rotatably connect.
- the connecting means is preferably a recess which is mounted on the shaft 52.
- the recess is formed as a hole through the second bracket 4.
- the hole preferably extends at right angles to the longitudinal axis of the second bracket 4 and / or parallel to the flat sides of the second bracket 4 and / or from the first lateral side to the second lateral side.
- the connecting means is
- Fixing mechanism 7 not to be arranged at the first and / or second end. It is sufficient if the connecting means and the second attachment mechanism 7 are spaced along the longitudinal axis of the second bracket 4.
- connection 5 of the first and second bracket 3 and 4 allow relative movement of the two brackets to each other.
- the folding clasp 1 is preferably designed to connect the first and second brackets 3, 4 rotatably relative to each other. By the rotation of the second bracket 4 to the first bracket 3 (or vice versa), the second bracket 4 can be moved between an open and closed position. In the closed position, the second bracket 4 is preferably located on the first bracket 3 and / or is at a minimum angle (here near 0 °) to the first bracket. 3
- Mounting mechanism 7 smaller than in the open position, preferably minimal. In the open position, the angle is increased and thus the distance between the first attachment mechanism 6 and the second attachment mechanism 7 is increased. At 180 °, the circumference of the wristwatch should be increased by the sum of the two distances between the attachment mechanisms 6 and 7 and the rotation axis 51.
- the connection 5 is thus formed as a hinge.
- the folding clasp 1 also has a closing means 9 which is designed to hold the folding clasp 1 in the closed state.
- the closure means 9 is a snap-in connection, which automatically locks when pressing the strap against each other in the closed position. Opening the closure means 9
- Snap connection is usually done by pulling the bracket with a force that is above an opening threshold.
- Snap-in connection is realized here by a positive shape on the underside of the second bracket 3 and a corresponding recess in the first bracket 4. Due to the bending of the bracket 3, 4, the second bracket 4 extends under pressure and thus engages in the recess of the first bracket 3 a.
- Butterfly folding clasp applicable.
- the first attachment mechanism at the second end of the first bracket would have a third bracket which would be rotatably mounted on the first bracket 3 (with a rotation axis parallel to the rotation axis 51) at the first end thereof (like the second bracket 4).
- the bracelet 2 or 21 would then be attached to the second end of the third bracket.
- Deployment clasp 1 to use this between the open and closed state to move back and forth. This could also be achieved, for example, by translating or superimposing translation and rotation.
- the second attachment mechanism 7 now has the blocking means 8 which is adapted to block the distal end of the pin 74 when the pin 74 extends through the bracelet 2 for fixing the axial position of the bracelet 2. Blocking the distal end of the pin 74 works with a locking mechanism of the
- Blocking means 8 which can be carried out in many ways.
- it may be a detent mechanism that releases the pin 74 (in a particular direction) upon application of force to the blocking means 8 or pin 74 when the force exceeds a threshold.
- the threshold can be different
- the blocking mechanism may also have a locking mechanism, which in the
- Blocking means 8 held pin 74 blocked until the
- FIG. 4 to 6 shows different views of an embodiment of a
- Blocking means 8 In Fig. 5 and 6, the non-visible contours are drawn in dashed lines
- the blocking means 8 is preferably arranged movably in the second attachment mechanism 7.
- the blocking agent 8 is
- Blocked state and a releasing state are moved back and forth.
- the movement is a rotation.
- the blocking means 8 is arranged on the shaft 78, so that the
- Blocking means 8 about the same axis of rotation 77 as the pin 74 and how the frame is rotatable.
- the rotatable arrangement of the blocking means 8 directly on the shaft 78 or indirectly mounted on the shaft 78 parts.
- the blocking agent is mounted for example on the spacers 79, which in turn are mounted on the shaft 78.
- the spacers 79 hold the second bracket 4 in the correct position between the side parts 72 and 73. This allows the Angle between the blocking means 8 and the frame can be varied and so the distance between the blocking means 8 and the distal end of the pin 74 can be varied.
- the blocking means 8 has at least one bearing recess 83, which is designed to be rotatably mounted on the shaft 78.
- the bearing recess 83 can be mounted on the shaft 78.
- the bearing recess 83 has two bearing openings, which are arranged on both sides of the second bracket 4 on the shaft 78.
- the at least one bearing recess is arranged in a region of the shaft 78 in which the second bracket 4 is not mounted on the shaft 78.
- the folding clasp 1 is hardly thicker despite the additional blocking means 8.
- the described attachment of the blocking means 8 on the existing shaft 78 of the second attachment mechanism 78 is particularly advantageous as it allows retrofitting the blocking means 8 into a plurality of existing folding doors 1.
- the blocking agent 8 preferably has one
- Blocking recess 84 which is formed to block the distal end of the pin 74.
- the distal end of the pin 74 is shaped to lock the distal end of the pin 74 in the axial direction of the pin 74 after insertion of the pin 74 into the locking recess 84.
- the pin 74 has a step that forms a blocking surface facing away from the distal end of the pin 74.
- Stage / stop surface realized by a mushroom-shaped distal end of the pin 74 is realized by a mushroom-shaped distal end of the pin 74.
- the groove thus also forms a step, wherein the groove wall with the surface normal, which points away from the distal end of the pin 74, the stop surface is formed.
- Other forms of pin 74 are contemplated, such as a T, anchor or double hooked configuration of the end of pin 74, which correspondingly performs the same function as mushroom-shaped pin 74.
- the mushroom-shaped end is particularly advantageous because it simultaneously achieves a block in the bracelet 2 (when the distal end of the pin 74 is not blocked by the blocking means 8).
- the blocking recess 84 preferably has at least one movable and / or deformable retaining element.
- the retaining element is
- Blocking recess 84 The holding element is formed in the
- the holding element is formed when pressure of the distal end of the pin 74 (in the axial direction of the
- Blocking recess 84 and the pin 74 to move so (from the rest state) and / or deform, that the blocking recess 84 is increased and the distal end of the pin 74 in the
- Blocking recess 84 can be introduced.
- the blocking recess 84 is preferably realized by two oppositely disposed leaf spring elements 81, 82.
- Leaf spring elements 81, 82 are coarse (apart from the later
- the leaf spring elements 81, 82 preferably extend along the
- Rotary axis or axis of curvature which is parallel to the longitudinal axis of the blocking means 8 (and at the lateral edge). This will be the
- Blocking recess 84 enlarged. By extending in the direction of the longitudinal axis, the blocking recess 84 is positioned to the pin 74.
- the longitudinal axis of the blocking means 8 is in the closed state of the folding rail 1 roughly parallel to the longitudinal axis of the folding rail 1, to the longitudinal axis of the second bracket 4 and / or to the longitudinal axis of the
- the two leaf spring members 81 and 82 are shaped to be separated by a gap 85 through which the distal end of the pin 74 does not fit. This gap 85 opens to the
- the blocking recess 84 narrows at both ends in the direction of the longitudinal direction of the blocking means 8 to the gap 85.
- the blocking recess 84 preferably has an elongate Expansion in the direction of the longitudinal direction of the blocking means 8.
- the gap 85 widens toward the axis of rotation 77 and / or to the at least one bearing recess 83. Broadening here means that the
- the widening 86 can be continuous or erratic. By this broadening is preferably the extension of the
- Leaf spring elements achieved parallel to the axis of rotation 77. After this widening 86, the two leaf spring elements 81 and 82
- the two leaf spring elements 81 and 82 are arranged in the two leaf spring elements 81 and 82.
- the whole blocking means 8 formed of a leaf spring.
- the blocking means 8, the leaf spring elements 81, 82 and / or the leaf spring has a curvature along the longitudinal axis of the blocking means 8 (see FIG. 6). This curvature improves the spring action and thus the functionality of the blocking agent. At the same time this curvature allows the blocking means 8 better to adapt to the shape of the first and / or second bracket 3, 4 and thus to save space.
- the determination of the magnitude of the curvature of the blocking means 8 may depend on various factors, for example: the material chosen and the size, in particular the selected thickness of the blocking means 8 in connection with the strength and shape of the bracelet 22.
- the radius of curvature of the blocking means 8 is preferably of the order of magnitude chosen so that it is hardly noticeable from the side, but nevertheless the just mentioned
- the curvature of the upper part relative to the curvature of the lower part of said blocking means 8 is preferably parallel at a certain distance (FIG. 6), but also at a minimum angle and certain distance can be shifted from each other to ensure the functionality.
- the at least one bearing recess 83 is formed by the leaf spring.
- Blocking means 8 can be made of a metal, preferably of a flat-rolled metal, for example metal sheet or strip.
- the blocking agent 8 may be formed from the above-described metal (hot or cold), for example punched, cut, bent, drawn or be folded. The curvature and / or the at least one
- Bearing recess 83 is achieved by cold or hot working of the metal.
- other manufacturing methods can be used, such as by the machining of a workpiece, in particular the machining of
- the edge of the blocking recess 84 is preferably rounded or chamfered to facilitate insertion and / or removal of the distal end of the pin 74 into or out of the locked state.
- the described embodiment of the blocking recess 84 is particularly advantageous. However, it is also possible for others
- blocking recesses For example, one can
- Blocking area can be used.
- the pin 74 can then in the
- Blocking area to be moved requires
- Blocking recess 84 a more complex movement mechanism. It is also possible instead of a blocking recess 84 others.
- the described blocking means 8 is particularly advantageous because it allows retrofitting of most of the existing folding doors 1. It is sufficient to mount the blocking means 8 on the folding clasp 1 and the problems of the prior art are solved in a simple manner. This is particularly easy if the blocking agent 8 as above described is mounted on the shaft 78. Thus, only the shaft 78 of the existing folding clasp 1 is to be taken out. This is easy because of the often, but not exclusively used spring bars. Thereafter, the blocking means 8 is pushed onto the removed shaft 78. Then the shaft 78 with the retrofitted blocking means 8 is to be re-installed in the second fastening mechanism 7.
Landscapes
- Buckles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CH00692/18A CH715059A1 (en) | 2018-05-31 | 2018-05-31 | Folding clasp for wristwatch and method for retrofitting one. |
PCT/IB2019/053774 WO2019229559A1 (en) | 2018-05-31 | 2019-05-08 | Folding clasp for a wrist watch and method for retrofitting same |
Publications (2)
Publication Number | Publication Date |
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EP3801116A1 true EP3801116A1 (en) | 2021-04-14 |
EP3801116B1 EP3801116B1 (en) | 2023-11-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP19732120.1A Active EP3801116B1 (en) | 2018-05-31 | 2019-05-08 | Folding clasp for a wrist watch and method for retrofitting same |
Country Status (5)
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US (1) | US11678725B2 (en) |
EP (1) | EP3801116B1 (en) |
CN (1) | CN112203554A (en) |
CH (1) | CH715059A1 (en) |
WO (1) | WO2019229559A1 (en) |
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CN112972821A (en) * | 2021-02-04 | 2021-06-18 | 四川大学华西医院 | Postoperative is with safe continuous automatic electron pressure analgesia infusion device |
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US280319A (en) * | 1883-06-26 | Ington teeeitoey | ||
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FR2634107B1 (en) * | 1988-07-15 | 1990-11-02 | Omega Sa | FENDER ADJUSTABLE BRACELET CLASP |
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DE69632613T2 (en) * | 1995-03-15 | 2004-09-30 | Citizen Watch Co., Ltd., Nishitokyo | DEVICE FOR FINE CORRECTION OF THE LENGTH OF A BAND-SHAPED ACCESSORIES |
EP0820241A1 (en) * | 1996-02-12 | 1998-01-28 | Gay Frères Vente et Exportation SA | Strap clasp |
US6360404B1 (en) * | 2000-01-21 | 2002-03-26 | Mary Tenney Mudge | Break-away buckle |
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DE602007007817D1 (en) * | 2006-12-01 | 2010-08-26 | Lvmh Swiss Mft Sa | BRACELET WITH LENGTH ADJUSTING DEVICE |
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CN107019297B (en) * | 2016-01-29 | 2021-02-12 | 精工爱普生株式会社 | Watch buckle, watch band and watch |
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EP3769640B1 (en) * | 2019-07-26 | 2022-03-30 | Omega SA | Watch strap clasp |
EP4059374A1 (en) * | 2021-03-18 | 2022-09-21 | Dexel S.A. | Bracelet clasp comprising a device for adjusting the length of the bracelet allowing rapid fitting |
-
2018
- 2018-05-31 CH CH00692/18A patent/CH715059A1/en unknown
-
2019
- 2019-05-08 EP EP19732120.1A patent/EP3801116B1/en active Active
- 2019-05-08 CN CN201980035958.5A patent/CN112203554A/en active Pending
- 2019-05-08 US US17/051,774 patent/US11678725B2/en active Active
- 2019-05-08 WO PCT/IB2019/053774 patent/WO2019229559A1/en unknown
Also Published As
Publication number | Publication date |
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US11678725B2 (en) | 2023-06-20 |
EP3801116B1 (en) | 2023-11-22 |
WO2019229559A1 (en) | 2019-12-05 |
CH715059A1 (en) | 2019-12-13 |
US20210196006A1 (en) | 2021-07-01 |
CN112203554A (en) | 2021-01-08 |
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