EP3190913B1 - Protective helmet, in particular motorcycle helmet, having a swivelable and removable chin part - Google Patents
Protective helmet, in particular motorcycle helmet, having a swivelable and removable chin part Download PDFInfo
- Publication number
- EP3190913B1 EP3190913B1 EP15754205.1A EP15754205A EP3190913B1 EP 3190913 B1 EP3190913 B1 EP 3190913B1 EP 15754205 A EP15754205 A EP 15754205A EP 3190913 B1 EP3190913 B1 EP 3190913B1
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- EP
- European Patent Office
- Prior art keywords
- coupling
- helmet
- chin
- wall
- safety helmet
- 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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Images
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/32—Collapsible helmets; Helmets made of separable parts ; Helmets with movable parts, e.g. adjustable
- A42B3/326—Helmets with movable or separable chin or jaw guard
Definitions
- the invention relates to a protective helmet, in particular motorcycle helmet, with repeatedly pivoting and repeatedly removable chin part, wherein the removal of the chin part can be done in particular without tools.
- the intended use of the protective helmet according to the invention is not limited to motorcycles but also extends to other passenger-guided land, air and water vehicles, such as e.g. open racing vehicles, snowmobiles, gliders, racing boats, hang gliders, etc.
- “Integralhelme” have a firm chin and preferably a completely lockable visor.
- Half-shell helmets also called jet helmets, have no firm chin.
- Half-shell helmets must protect the forehead, ears and neck.
- “Flip-up helmets” are a variation of the integral helmet, which can be folded up the chin area.
- Multi-helmets are helmets with conversion options, usually the one to take off the chin part, so that they can be used either as a full face helmet or open face helmet.
- Multi-helmets with repeatedly detachable chin parts can remove the chin part from a lower integral helmet position at chin height to create a full face helmet or a 3/4 helmet.
- the chin part can, in addition to the solubility, also have a swiveling effect as with the "flip-up helmets”.
- the patent document derived from the applicant EP 6 851 177 B1 discloses a "multi-helmet" especially for motorcycles, wherein the chin guard without tools (de) is mountable.
- the helmet has a hinge with a hinge plate in which a locking disc is rotatably inserted.
- the locking disc itself can accommodate a driving web of the chin guard. In a certain angular position of the locking disc to the hinge plate, the chin guard can be pulled off or postponed.
- the joint for the chin part is a swivel joint with only one axis of rotation, has the chin part in the upwardly pivoted Jethelm position due to the higher inflow surface for the wind an unfavorable aerodynamics and a high center of gravity, thus increasing the burden on the neck muscles of the driver.
- Multihelme with non - swiveling, but removable chin part, like eg from the EP 2 438 824 A1 known, can only be used either as a full face helmet or as open face helmet or 3/4 helmet and must be rebuilt time consuming and laborious with tools.
- the chin part removed from the jet helmet or 3/4 helmet must be stowed away for further transport on the motorcycle, which is not always possible, or else it is not carried along and therefore can not be re-installed until it is returned to the storage location.
- the chin part should be easily and quickly pivoted between the full face helmet position and the open face position, as well as completely removed.
- the (De) mounting of the chin part should be possible without tools.
- the protective helmet has a Jethelmteil and a chin part, which are detachably connected to each other via a coupling part and are pivotable relative to each other via a joint connection formed as a multi-link coupling mechanism.
- the advantages of a conventional flip-up helmet with 4-joint connection of a pivotable, but not removable chin part with the advantages of a conventional multi-helmets with a simple swivel joint of a pivoting and removable chin part can be combined.
- the advantages of improved aerodynamics and a lower center of gravity in the Jethelm position and a simple and quick conversion of the helmet between a maximum enclosing full-face helmet and a use as open face helmet or 3/4 helmet by completely disassembling the chin part combined.
- the protective helmet according to the invention comprises a Jethelmteil and a chin part, wherein the Jethelmteil not only in classic Jethelm shape, but also smaller in the shape of a half-shell helmet or larger in the style of a 3/4 helmet with further pulled down and forward protection parts for the cheek and jaw area can be executed.
- the chin part is then formed correspondingly with shorter or longer webs in the cheek and jaw area and therefore can be present in the minimal extreme case only in the chin area and in the maximum extreme case up to the ear area.
- the chin part according to the invention at least between a front lower integral helmet position in a pivoted about 90 ° to about 180 ° thereto upwardly pivoted upper and / or rear Jethelm position relative to Jethelmteil and in these extreme positions, but also in intermediate positions or Studentsxtremwolfen be latched.
- Multi-link coupling gears convert rotational movements into straight or curved movements. They consist of articulated gear members, one of which may be a housing or the helmet. They provide a coupling of at least two movable levers with a coupling ago, the chin part can form the coupling.
- the multi-link coupling mechanism is designed as a four-bar linkage or more specifically as a four-bar linkage, ie with four levers and four hinges, wherein the helmet can represent one of the levers and the chin part a coupling between the levers.
- the coupling gear can preferably in the manner of four-bar linkage of the EP 0 797 935 B1 be educated.
- the movement of the articulation between the Jethelmteil and the chin part is a superposition between a pivot about a pivot about on a circular path to eg 45 °, 60 ° or 90 ° to 180 ° and a linear movement relative to this pivot point to the surface of the helmet.
- a coupling part each with a coupling gear left and right of a face opening of the helmet and there in particular in an ear area of the protective helmet is arranged.
- the four joints on the two sides of the protective helmet are in particular the longitudinal center axis of the protective helmet, i. in the direction of travel mirrored, but otherwise identical.
- the coupling member provides a releasable connection between the chin part and the Jethelmteil ago.
- two coupling parts are used, which are arranged symmetrically on the two sides of the protective helmet with respect to its longitudinal central axis running in the direction of travel.
- Each coupling part comprises a first coupling element on the chin part, as well as a further or second coupling element cooperating therewith on the open face part, wherein both coupling elements form a corresponding coupling pair.
- They can each have at least one male or female coupling member which engage with each other for mutual releasable form-locking coupling of the coupling elements.
- each coupling element may also comprise more than one corresponding pair of coupling elements of the coupling part or each coupling element also have a plurality of coupling members, which are each arranged parallel and / or serial to the coupling direction, whereby the stability of the coupling can be increased.
- the coupling part preferably provides a coupling that can only be released intentionally. For this purpose, it comprises a safeguard against unintentional release of the coupling elements in a direction opposite to the coupling direction. This can be done according to the invention via a spring-loaded snap-locking connection or a Renktagen (eg bayonet connection), which preferably automatically when coupling positively engage each other and require a separate and therefore voluntary operation by a user for decoupling.
- a spring-loaded snap-locking connection or a Renktagen (eg bayonet connection)
- the coupling gear and the coupling part and thus the functions of pivoting and coupling of the chin part can be arranged spatially separated from each other on Jethelmteil.
- the coupling mechanism can be arranged on the coupling part and thus on the coupling element of the chin part or on the coupling element of the Jethelmteils.
- the multi-link coupling mechanism can be located on the Jethelmteil or on that coupling element of the coupling part, which is connected to the Jethelmteil. There it can be easily anchored to the chin part because of the larger dimensions of the Jethelmteils. Are there several different chin parts to the same Jethelmteil e.g. for different purposes (road, terrain), this arrangement requires only a single linkage on Jethelmteil.
- the coupling gear can be located on or on a coupling element which is connected to the chin part. Because the chin part is more manageable than the open face helmet part of the helmet, it can be easier to assemble, maintain, repair and clean, especially for the linkage. In addition, then the coupling mechanism does not remain useless on Jethelmteil when the chin part is removed.
- the coupling mechanism as well as the coupling part can be formed divisible in at least two coupling transmission parts.
- the respective coupling gear parts can thus be arranged on different coupling elements, so that when decoupling the coupling elements from each other and the coupling gear is released.
- This variant may have advantages in manufacturing, cleaning, maintenance and repair because of the better accessibility to the components of the linkage such as gear levers and lever bearings.
- the coupling gear When forming the coupling gear partly on the first and partly on the second coupling element releasable form-fitting and / or non-positive transmission connections between the components of the linkage, so for example between transmission shafts and / or gear levers required.
- the transmission connections provide in coupling the two coupling elements a full coupling mechanism with a force-transmitting connection between the gear parts of the linkage forth. Friction surfaces between the gear shafts and / or gear levers, groove-engaging pins or webs, wedge-surface pairs, knurling and toothing, etc. can serve as interlocking or frictional transmission connections.
- Positive gear connections are preferred because they ensure a reliable function of the coupling of the gear parts to a full coupling mechanism.
- the first and the second coupling element of the coupling part may each be formed approximately disc-shaped.
- the flat design of the disk-shaped coupling elements space-saving installation of the coupling elements on a shell of Jethelmteils and the chin part is possible.
- a respective indentation may be formed, in which the coupling element can be inserted and there preferably by inexpensive insoluble cohesive bonding methods, such. Welding, riveting, gluing, casting or molding, can be fastened.
- a first coupling element of a coupling part a flat disc-shaped wall as a male coupling member and a second coupling element of the same coupling part have a correspondingly shaped, at least open in the coupling direction pocket as a female coupling member, wherein the pocket of the second coupling element for receiving the wall of the first coupling element is used.
- the wall may have a U-shaped tab which projects transversely to the insertion direction or coupling direction of the wall and in turn engages around a portion of the bag in the coupling state. It is advantageously attached to a rear edge of the wall in the coupling direction and can embrace the pocket in the region of its open side for insertion.
- the tab can provide a clamping and thus a rattle-free recording of the wall in the pocket.
- it can accommodate at least a portion of the above-mentioned fuse, which holds the coupled elements against the coupling direction.
- the coupling surfaces of cooperating pairs of surfaces which in themselves lie in a plane parallel to the coupling direction, conically taper, so that they cause a centering of the coupling elements in the coupling direction during insertion.
- the conicity can also lead to a clamping action of the coupling elements, which brings a wear and noise-poorer connection of the coupling elements with it. Because lack of movement possibility of the two coupling elements relative to each other in the coupled state, they can be kept rattling.
- the conicity of the coupling surfaces may be present in one or in both spatial directions, which are orthogonal to the coupling direction.
- the chin part and the Jethelmteil in the integral helmet position and the Jethelm ein and in any position or only in selected positions between be coupled or decoupled.
- the coupling member can be actuated only in a defined position or position and mechanically blocked in all other positions by the coupling mechanism.
- the coupling part and the coupling gear are for this purpose designed such that the coupling part can be operated only in dependence on the position of the linkage.
- the coupling mechanism can for example permit a successful actuation of the coupling part exclusively in the integral helmet position. This makes it possible to prevent the chin part from being accidentally detached from the open-face helmet part, in particular when the chin part is pivoted relative to the open-face helmet part while driving.
- metal e.g. Diecast aluminum
- a metal-plastic compound or a fiberglass and / or carbon fiber composite GRP, CFK
- Fig. 1 shows a protective helmet for a motorcyclist from a Jethelmteil 1 and a bow-shaped chin part 2.
- the chin part 2 is about a laterally mounted approximately in an ear portion of the Jethelmteils 1 coupling part 3 held removable and can be up and down in the direction of arrows 4 on a later explained Swivel trajectory, rather than a pivot point as in a conventional swivel joint.
- the chin part 2 is shown in a lower fold-down full-face helmet position and can be pivoted upwards by about 90 ° in a Jethelm position.
- the protective helmet has a visor 5 made of transparent plastic, which is mounted independently of the chin part 2 in the direction of arrow 6 pivotally on Jethelmteil 1.
- the visor 5 and the chin part 2 are cut in the region of the coupling part 3 and shown with dashed outline edges to illustrate their position on the protective helmet.
- the two coupling parts 3 of the helmet allow repeated disassembly and assembly of the chin part 2 with the Jethelmteil 1.
- disassembly unlocks and opens a user, the coupling part 3 and pulls the chin part 2 in a decoupling 8 from the Jethelmteil 1 from.
- the chin part 2 is pushed in a coupling direction 9 on the Jethelmteil 1, wherein the coupling part 3 closes automatically and either locked automatically or must be locked by the user.
- the dismantled from Jethelmteil 1 state of the chin part 2 shows FIG. 2 , wherein the chin part 2 was withdrawn after unlocking and opening of the coupling part 3 by the user in the uncoupling 8 direction. In this case, it is not absolutely necessary for the chin part 2 to be pulled off the open face part 1 in the folded-up upper open-face helmet position.
- the chin part 2 can basically also in the in the FIG. 1 shown full-face helmet position are deducted from the Jethelmteil 1, or in any intermediate position between full face helmet position and open face position.
- Each coupling part 3 consists of a first coupling element 10, which is fixed to the Jethelmteil 1, and a second coupling element 11, which is fixed to the chin part 2.
- the structural design and the functions of the coupling part 3 are described below with reference to FIGS. 3 to 8 explained, wherein like reference numerals in the FIGS. 1 to 7 designate the same items.
- the coupling element 10 is according to FIG. 3 essentially a flat plate-shaped section or a wall 14 with a pentagonal outline.
- the wall 14 is composed of a rectangular section 141 and a triangular section or a swept wall 16 adjoining a narrow side 142 of the section 141.
- the coupling element 10 is flanged in a C-shape and thus forms a pocket 12.
- the pocket 12 also has a C-shape. shaped cross section. It is open on the narrow side 145 and framed by its edges 143, 144 a lying in a plane parallel to the wall 14 opening 146th
- an open-edge L-shaped notch 27 seen in the coupling direction 9 is introduced. It is composed of a leg 27a extending in the coupling direction 9 and a leg 27c extending at right angles thereto and thus transversely to the coupling direction 9.
- the leg 27c is surrounded by vertical abutment surfaces 27b, 27d and a horizontal abutment surface 27e.
- the coupling element 11 is according to FIG. 4 also essentially of a flat plate-shaped section or a wall 15 with a pentagonal outline.
- the wall 15 is also composed of a rectangular section 151 with longitudinal edges 36 and a triangular section or a triangular-shaped tip 35.
- the coupling element 11 has a U-shaped envelope or a tab 17 with a transverse leg or a middle wall 171 and a free leg 172.
- the leg 172 includes with the wall 15 a longitudinally open shaft 13 a.
- the coupling element 11 carries on its free leg 172 opposite side of the wall 15, a coupling gear 20 to which the chin part 2 is attached.
- the coupling element 11 thus serves both the coupling and the pivoting of the chin part 2 to or against the Jethelmteil 1.
- the coupling gear 20 is formed as a four-bar linkage with two pivotally mounted gear levers 18, 19.
- the gear lever 19 is received in a recess 26 in the wall 15.
- the respective ends of the transmission levers 18, 19 are connected to transmission shafts 21, 22, 23, 24.
- the transmission shafts 21, 24 form pivot points of the pivotable transmission levers 18, 19 with respect to the coupling element 11.
- the transmission shafts 22, 23 are connected to the chin part 2, not shown.
- the gear lever 18 can be pivoted by almost 180 °, the other gear lever 19 can pivot with the upper end 23 of the gear shaft by a maximum angle ⁇ of about 30 ° about the center of the lower end 24 of the transmission shaft within the recess 26.
- the attached chin part 2 receives a deviating from a circular path or movement curve, as they are in the EP 0 797 935 is described in more detail.
- a handle 28 is attached on the middle wall 171. It is designed as a U-shaped carriage which engages around the likewise U-shaped tab 17 and is displaceable vertically downwardly against a spring, not shown.
- An in FIG. 4 hidden horizontal pin 281 inside the handle 28 connects the free legs and thus passes through the wall 151, the shaft 13 and the free leg 172nd
- the wall 15 of the coupling member 11 slides into the pocket 12 of the coupling member 10.
- the U-shaped tab 17 of the coupling member 11 surrounds the wall 14 of the coupling member 10 in the region of its narrow side 145, which enters the shaft 13.
- the edges 144 of the swept in the direction of coupling 9 wall 16 of the coupling element 10 act as a stop for the Coupling element 11 in the coupling direction 9, to which the also swept tip 35 conforms identical shape in the completely completed coupling position.
- the bag 12 surrounds the wall 15 of the coupling element 11 in addition to the decoupling direction 8 positively in all other directions.
- the long-side edges 143 are used during the coupling or decoupling process, ie in coupling 9 or decoupling 8 as a linear guide the wall 15 of the coupling element eleventh
- the spring force holds the bolt 281 in this position within the notch 27, so that he and the handle 28 is not moved unintentionally downward and thus the bolt 281 is extended from the leg 27c of the notch 27. Rather, the spring force ensures that the coupling element 11 can not be displaced relative to the coupling element 10 without deliberate intervention by the user in the decoupling direction.
- FIG. 5 schematically illustrates the coupling elements 10, 11 with respect to the Figures 3 . 4 simplified.
- the coupling part 3 is in the direction of its transverse axis 41 as low as possible, in the direction of its vertical axis 40 and its longitudinal axis 42 and thus in the decoupling direction 8 and in the coupling direction 9, however, the requirements of its stability correspondingly larger.
- the coupling part 3 is thus formed as flat as possible in order not to unnecessarily broaden the protective helmet in his ear area in which the coupling part 3 is arranged.
- the coupling element 10 is assigned to the Jethelmteil 1. It is attached thereto with its wall 15 opposite side of the wall 14. In the coupled state, therefore, the U-shaped tab 17 with its free leg 172 does not only surround the edge 145, but for stabilization purposes also a (not shown) wall of the Jethelmteils first
- the coupling element 11 is associated with the chin part 2. It carries on its side facing away from the wall 14 of the wall 15 in the FIG. 4 closer coupling mechanism 20 which extends through the opening 146 and connects to the chin part 2.
- FIG. 6 represents the coupling element 10 of the coupling part 3 in a section of the line VI-VI in FIG. 3
- the coupling element 10 is attached to the Jethelmteil 1, for which purpose it is embedded in a flat cup-shaped recess 1a in the ear area of the Jethelmteils 1.
- a so-called cheek grip 34 is mounted on a cheek area 1b of the open face helmet part 1 for positive engagement.
- FIG. 7 shows schematically simplified, the coupling part 3 of FIG. 5 in a side sectional view.
- the coupling element 10 can therefore be equipped with a certain conicity of its longitudinal edges 36 and in a direction converging towards the tip 35.
- the longitudinal edges 143 of the coupling element 11 may also have a corresponding conical shape.
- the taper leads to the fact that the coupling element 11 can be easily inserted into the pocket 12 of the coupling element 10 without tilting.
- the conicity may additionally cause a certain clamping effect, which provides for an additional coupling force between the coupling elements 10, 11.
- FIG. 8 shows a horizontal partial sectional view through the arrow-shaped wall 16 or through the tip 35. That is bevelled on one side, so that a contact surface 38 is formed, which cooperates with a correspondingly inclined contact surface 39 in the edge 144 of the wall 16.
- the conicity of the contact surfaces 38, 39 of the coupling elements 10, 11 extends transversely to the taper according to FIG. 7 , so that thereby an insertion of the coupling element 11 is facilitated in the coupling element 10 and both are held rattle against each other.
Landscapes
- Helmets And Other Head Coverings (AREA)
Description
Die Erfindung bezieht sich auf einen Schutzhelm, insbesondere Motorradhelm, mit wiederholt schwenkbarem und wiederholt abnehmbarem Kinnteil, wobei das Abnehmen des Kinnteils insbesondere ohne Werkzeug erfolgen kann. Der Anwendungszweck des erfindungsgemäßen Schutzhelms beschränkt sich nicht nur auf Motorräder, sondern erstreckt sich auch auf andere personengelenkte Land-, Luft- und Wasserfahrzeuge, wie z.B. offene Rennkraftfahrzeuge, Schneemobile, Segelflugzeuge, Rennboote, Hängegleiter, etc.The invention relates to a protective helmet, in particular motorcycle helmet, with repeatedly pivoting and repeatedly removable chin part, wherein the removal of the chin part can be done in particular without tools. The intended use of the protective helmet according to the invention is not limited to motorcycles but also extends to other passenger-guided land, air and water vehicles, such as e.g. open racing vehicles, snowmobiles, gliders, racing boats, hang gliders, etc.
Grundsätzlich wird bei derartigen Schutzhelmen zwischen Integralhelmen, Jethelmen, Klapphelmen und Multihelmen unterschieden. "Integralhelme" besitzen eine feste Kinnpartie und vorzugsweise ein komplett verschließbares Visier. "Halbschalenhelme", auch Jethelme genannt, verfügen über keine feste Kinnpartie. Es gibt Varianten mit verbautem Visier oder mit Sonnenblende, aber auch Halbschalen mit einem tief gezogenen Visier und etwas weiter nach vorn gezogenen Seiten, die allgemein als 3/4 Helme bezeichnet werden. Halbschalenhelme müssen die Stirn, Ohren und Nacken schützen. "Klapphelme" sind eine Variation des Integralhelms, bei der sich die Kinnpartie hochklappen lässt. Diese sind insbesondere für Brillenträger empfehlenswert und erleichtern das Abnehmen des Helmes nach einem Unfall. Klapphelme mit schwenkbarem Kinnteil können das Kinnteil aus einer in Kinnhöhe befindlichen unteren Integralhelm-Stellung in eine insbesondere um 90° hochgeklappte obere Jethelm-Stellung verschwenken. "Multihelme" sind Helme mit Umbaumöglichkeiten, zumeist der, das Kinnteil abzunehmen, womit sie wahlweise als Integralhelm oder Jethelm genutzt werden können. "Multihelme" mit wiederholt abnehmbarem Kinnteil können das Kinnteil aus einer unteren in Kinnhöhe befindlichen Integralhelm-Stellung entfernen, so dass ein Jethelm oder ein 3/4-Helm entsteht. Bei "Multihelmen" kann das Kinnteil zusätzlich zur Lösbarkeit auch eine Schwenkbarkeit wie bei den "Klapphelmen" aufweisen.Basically, a distinction is made in such helmets between full-face helmets, open helmets, flip-flops and multi-helmets. "Integralhelme" have a firm chin and preferably a completely lockable visor. "Half-shell helmets", also called jet helmets, have no firm chin. There are variants with built-in visor or with sun visor, but also half shells with a deep-drawn visor and a little further forward drawn sides, which are generally referred to as 3/4 helmets. Half-shell helmets must protect the forehead, ears and neck. "Flip-up helmets" are a variation of the integral helmet, which can be folded up the chin area. These are especially recommended for eyeglass wearers and make it easier to remove the helmet after an accident. Flip-up helmets with swiveling chin parts can pivot the chin part from a lower full-face helmet position located at the chin height into an upper j-helm position, which is folded up in particular by 90 °. "Multi-helmets" are helmets with conversion options, usually the one to take off the chin part, so that they can be used either as a full face helmet or open face helmet. "Multi-helmets" with repeatedly detachable chin parts can remove the chin part from a lower integral helmet position at chin height to create a full face helmet or a 3/4 helmet. In the case of "multi-helmets", the chin part can, in addition to the solubility, also have a swiveling effect as with the "flip-up helmets".
Die auf den Anmelder zurückgehende Patentschrift
"Multihelme" mit nicht verschwenkbarem, aber abnehmbarem Kinnteil, wie z.B. aus der
Aus der
Es ist daher Aufgabe der Erfindung, einen "Multihelm" mit verschwenkbarem sowie abnehmbarem Kinnteil derart weiterzubilden, dass er auch bei höheren Geschwindigkeiten sowohl in einer Integralhelmstellung mit montiertem und nach vorn und unten geklapptem Kinnteil, als auch in einer Jethelmstellung mit nach oben oder hinten geklapptem Kinnteil sowie auch als Jethelm bzw. 3/4-Helm bei vollkommen demontiertem Kinnteil sicher und bequem gefahren werden kann. Das Kinnteil soll einfach und schnell sowohl zwischen der Integralhelm-Stellung und der Jethelm-Stellung verschwenkt, als auch vollkommen entfernt werden können. Das (De)Montieren des Kinnteils soll ohne Werkzeug erfolgen können.It is therefore an object of the invention to develop a "multi-helmet" with pivoting and removable chin part such that it folded even at higher speeds both in a Integralhelmstellung with mounted and folded up and down chin part, as well as in a Jethelmstellung with up or back Chin part as well as open helmets or 3/4-Helmet with completely disassembled chin part safely and comfortably can be driven. The chin part should be easily and quickly pivoted between the full face helmet position and the open face position, as well as completely removed. The (De) mounting of the chin part should be possible without tools.
Diese Aufgabe wird erfindungsgemäß durch den Gegenstand des Patentanspruchs 1 gelöst. Die abhängigen Patentansprüche sowie die weitere Beschreibung und die Zeichnungen enthalten vorteilhafte Weiterbildungen der Erfindung.This object is achieved by the subject of
Die gestellte Aufgabe wird dadurch gelöst, dass der Schutzhelm ein Jethelmteil und ein Kinnteil aufweist, welche über ein Kopplungsteil lösbar miteinander verbunden und über eine als mehrgliedriges Koppelgetriebe ausgebildete Gelenkverbindung relativ zueinander verschwenkbar sind.The stated object is achieved in that the protective helmet has a Jethelmteil and a chin part, which are detachably connected to each other via a coupling part and are pivotable relative to each other via a joint connection formed as a multi-link coupling mechanism.
Durch den erfindungsgemäßen Schutzhelm können die Vorteile eines herkömmlichen Klapphelms mit 4-Gelenk-Anbindung eines schwenkbaren, aber nicht demontierbaren Kinnteils mit den Vorteilen eines herkömmlichen Multihelms mit einfachem Drehgelenk eines schwenkbaren und demontierbaren Kinnteils kombiniert werden. Somit sind bei dem erfindungsgemäßen Schutzhelm die Vorteile einer verbesserten Aerodynamik und eines niedrigeren Schwerpunktes in der Jethelm-Stellung und ein einfacher und schneller Umbau des Schutzhelms zwischen einem maximal umschließenden Integralhelm und einer Benutzung als Jethelm bzw. 3/4-Helm durch völliges Demontieren des Kinnteils kombiniert. Der erfindungsgemäße Schutzhelm umfasst ein Jethelmteil und ein Kinnteil, wobei das Jethelmteil nicht nur in klassischer Jethelm-Form, sondern auch kleiner in der Art der Form eines Halbschalenhelms oder größer in Art eines 3/4-Helms mit weiter nach unten und vorn gezogenen Schutzteilen für den Wangen- und Kieferbereich ausgeführt sein kann. Das Kinnteil ist dann entsprechend mit kürzeren oder längeren Stegen im Wangen- und Kieferbereich ausgeformt und kann daher im minimalen Extremfall lediglich im Kinnbereich und im maximalen Extremfall bis an den Ohrbereich hin vorhanden sein.By the protective helmet according to the invention, the advantages of a conventional flip-up helmet with 4-joint connection of a pivotable, but not removable chin part with the advantages of a conventional multi-helmets with a simple swivel joint of a pivoting and removable chin part can be combined. Thus, in the protective helmet according to the invention, the advantages of improved aerodynamics and a lower center of gravity in the Jethelm position and a simple and quick conversion of the helmet between a maximum enclosing full-face helmet and a use as open face helmet or 3/4 helmet by completely disassembling the chin part combined. The protective helmet according to the invention comprises a Jethelmteil and a chin part, wherein the Jethelmteil not only in classic Jethelm shape, but also smaller in the shape of a half-shell helmet or larger in the style of a 3/4 helmet with further pulled down and forward protection parts for the cheek and jaw area can be executed. The chin part is then formed correspondingly with shorter or longer webs in the cheek and jaw area and therefore can be present in the minimal extreme case only in the chin area and in the maximum extreme case up to the ear area.
Das Kinnteil kann erfindungsgemäß zumindest zwischen einer vorderen unteren Integralhelm-Stellung in eine um zwischen ca. 90° bis ca. 180° hierzu nach oben verschwenkte obere und/oder hintere Jethelm-Stellung relativ zum Jethelmteil verschwenkbar und in diesen Extremstellungen, aber auch in Zwischenstellungen oder Überextremstellungen verrastbar sein.The chin part according to the invention, at least between a front lower integral helmet position in a pivoted about 90 ° to about 180 ° thereto upwardly pivoted upper and / or rear Jethelm position relative to Jethelmteil and in these extreme positions, but also in intermediate positions or Überxtremstellungen be latched.
Mehrgliedrige Koppelgetriebe wandeln Drehbewegungen in geradlinige oder gekrümmte Bewegungen um. Sie bestehen aus gelenkig miteinander verbundenen Getriebegliedern, wobei eines davon ein Gehäuse bzw. der Helm sein kann. Sie stellen eine Kopplung von mindestens zwei beweglichen Hebeln mit einer Koppel her, wobei das Kinnteil die Koppel bilden kann.Multi-link coupling gears convert rotational movements into straight or curved movements. They consist of articulated gear members, one of which may be a housing or the helmet. They provide a coupling of at least two movable levers with a coupling ago, the chin part can form the coupling.
Grundsätzlich gibt es mehrgliedrige Koppelgetriebe mit fünf, sechs, acht oder noch mehr Gliedern. In einer besonders bevorzugten Ausführungsform der Erfindung ist das mehrgliedrige Koppelgetriebe als Viergelenkgetriebe oder spezieller als Vierdrehgelenkgetriebe ausgebildet, also mit vier Hebeln und vier Drehgelenken, wobei der Helm einen der Hebel und das Kinnteil eine Koppel zwischen den Hebeln darstellen kann. Das Koppelgetriebe kann vorzugsweise in der Art des Vierdrehgelenkgetriebes der
Regelmäßig ist je ein Kopplungsteil mit je einem Kopplungsgetriebe links und rechts einer Gesichtsöffnung des Schutzhelms und dort insbesondere in einem Ohrenbereich des Schutzhelms angeordnet. Die Viergelenke auf den beiden Seiten des Schutzhelms sind insbesondere zur Längsmittelachse des Schutzhelms, d.h. in Fahrtrichtung spiegelverkehrt, ansonsten aber baugleich ausgeführt.Regularly, a coupling part, each with a coupling gear left and right of a face opening of the helmet and there in particular in an ear area of the protective helmet is arranged. The four joints on the two sides of the protective helmet are in particular the longitudinal center axis of the protective helmet, i. in the direction of travel mirrored, but otherwise identical.
Das Kopplungsteil stellt eine lösbare Verbindung zwischen dem Kinnteil und den Jethelmteil her. Vorzugsweise dienen dazu zwei Kopplungsteile, die auf den beiden Seiten des Schutzhelms bezüglich seiner in Fahrtrichtung verlaufenden Längsmittelachse symmetrisch angeordnet sind. Jedes Kopplungsteil umfasst ein erstes Kopplungselement an dem Kinnteil sowie ein damit zusammenwirkendes weiteres oder zweites Kopplungselement an dem Jethelmteil, wobei beide Kopplungselemente ein korrespondierendes Kopplungspaar bilden. Sie können jeweils zumindest ein männliches oder weibliches Kopplungsglied aufweisen, die zur gegenseitigen lösbaren formschlüssigen Kopplung der Kopplungselemente ineinander greifen.The coupling member provides a releasable connection between the chin part and the Jethelmteil ago. Preferably, two coupling parts are used, which are arranged symmetrically on the two sides of the protective helmet with respect to its longitudinal central axis running in the direction of travel. Each coupling part comprises a first coupling element on the chin part, as well as a further or second coupling element cooperating therewith on the open face part, wherein both coupling elements form a corresponding coupling pair. They can each have at least one male or female coupling member which engage with each other for mutual releasable form-locking coupling of the coupling elements.
Es kann auch mehr als ein korrespondierendes Paar von Kopplungselementen vom Kopplungsteil umfasst sein oder jedes Kopplungselement auch mehrere Kopplungsglieder aufweisen, welche jeweils parallel und/oder seriell zur Kopplungsrichtung angeordnet sind, wodurch die Stabilität der Kopplung erhöht werden kann.It may also comprise more than one corresponding pair of coupling elements of the coupling part or each coupling element also have a plurality of coupling members, which are each arranged parallel and / or serial to the coupling direction, whereby the stability of the coupling can be increased.
Das Kopplungsteil bietet vorzugsweise eine Kopplung, die nur gewollt gelöst werden kann. Dazu umfasst es eine Sicherung gegen ungewolltes Lösen der Kopplungselemente in einer der Koppelungsrichtung entgegengesetzten Richtung. Dies kann erfindungsgemäß über eine federbelastete Schnapp-Rastverbindung oder eine Renkverbindung (z.B. Bajonettverbindung) geschehen, welche beim Koppeln vorzugsweise selbsttätig formschlüssig ineinander einrasten und für eine Entkoppelung eine separate und damit willentliche Betätigung durch einen Benutzer erfordern.The coupling part preferably provides a coupling that can only be released intentionally. For this purpose, it comprises a safeguard against unintentional release of the coupling elements in a direction opposite to the coupling direction. This can be done according to the invention via a spring-loaded snap-locking connection or a Renkverbindung (eg bayonet connection), which preferably automatically when coupling positively engage each other and require a separate and therefore voluntary operation by a user for decoupling.
Grundsätzlich können das Koppelgetriebe und das Kopplungsteil und damit die Funktionen des Verschwenkens und des Koppelns des Kinnteils am Jethelmteil räumlich voneinander getrennt angeordnet sein. Nach einer vorteilhaften Ausgestaltung der Erfindung kann das Koppelgetriebe auf dem Kopplungsteil und damit auf dem Kopplungselement des Kinnteils oder auf dem Kopplungselement des Jethelmteils angeordnet sein. Damit können beide Funktionen in einem Bauteil vereint sein, womit der Schutzhelm einfacher ausgestaltet werden kann, weil sich die Anzahl der Funktionsteile für Verschwenken und Koppeln und deren Montageaufwand reduzieren.In principle, the coupling gear and the coupling part and thus the functions of pivoting and coupling of the chin part can be arranged spatially separated from each other on Jethelmteil. According to an advantageous embodiment of the invention, the coupling mechanism can be arranged on the coupling part and thus on the coupling element of the chin part or on the coupling element of the Jethelmteils. Thus, both functions can be combined in one component, whereby the protective helmet can be made simpler, because reduce the number of functional parts for pivoting and coupling and their assembly costs.
Das mehrgliedrige Koppelgetriebe kann sich am Jethelmteil bzw. auf demjenigen Kopplungselement des Kopplungsteils befinden, das mit dem Jethelmteil verbunden ist. Dort lässt es sich wegen der größeren Abmessungen des Jethelmteils gegenüber dem Kinnteil problemlos verankern. Gibt es mehrere unterschiedliche Kinnteile zu demselben Jethelmteil z.B. für unterschiedliche Zwecke (Straße, Gelände), erfordert diese Anordnung nur ein einziges Koppelgetriebe am Jethelmteil. Nach einer vorteilhaften Ausgestaltung der Erfindung kann das Koppelgetriebe sich an oder auf einem Kopplungselement befinden, welches mit dem Kinnteil verbunden ist. Weil das Kinnteil handlicher ist als der Jethelmteil des Schutzhelms, kann dadurch die Montage, Wartung, Reparatur und Reinigung insbesondere des Koppelgetriebes leichter sein. Außerdem verbleibt dann das Koppelgetriebe nicht nutzlos am Jethelmteil, wenn das Kinnteil abgenommen ist.The multi-link coupling mechanism can be located on the Jethelmteil or on that coupling element of the coupling part, which is connected to the Jethelmteil. There it can be easily anchored to the chin part because of the larger dimensions of the Jethelmteils. Are there several different chin parts to the same Jethelmteil e.g. for different purposes (road, terrain), this arrangement requires only a single linkage on Jethelmteil. According to an advantageous embodiment of the invention, the coupling gear can be located on or on a coupling element which is connected to the chin part. Because the chin part is more manageable than the open face helmet part of the helmet, it can be easier to assemble, maintain, repair and clean, especially for the linkage. In addition, then the coupling mechanism does not remain useless on Jethelmteil when the chin part is removed.
Nach einer zur ungeteilten Anordnung des Koppelgetriebes alternativen Ausgestaltung der Erfindung kann das Koppelgetriebe genauso wie das Kopplungsteil in zumindest zwei Koppelgetriebe-Teile teilbar ausgebildet sein. Die jeweiligen Koppelgetriebe-Teile können folglich auf unterschiedlichen Kopplungselementen angeordnet sein, so dass beim Entkoppeln der Kopplungselemente voneinander auch das Kopplungsgetriebe gelöst wird. Diese Variante kann wegen der besseren Zugänglichkeit zu den Bestandteilen des Koppelgetriebes wie Getriebehebeln und Hebellagern Vorteile bei Herstellung, Reinigung, Wartung und Reparatur haben.After an alternative arrangement of the coupling mechanism to the undivided arrangement of the invention, the coupling mechanism as well as the coupling part can be formed divisible in at least two coupling transmission parts. The respective coupling gear parts can thus be arranged on different coupling elements, so that when decoupling the coupling elements from each other and the coupling gear is released. This variant may have advantages in manufacturing, cleaning, maintenance and repair because of the better accessibility to the components of the linkage such as gear levers and lever bearings.
Bei Ausbildung des Koppelgetriebes teils auf dem ersten und teils auf dem zweiten Kopplungselement sind lösbare formschlüssige und/oder kraftschlüssige Getriebeverbindungen zwischen den Bestandteilen des Koppelgetriebes, also beispielsweise zwischen Getriebewellen und/oder Getriebehebeln erforderlich. Die Getriebeverbindungen stellen bei Kopplung der beiden Kopplungselemente ein vollwertiges Koppelgetriebe mit einer kraftübertragenden Verbindung zwischen den Getriebeteilen des Koppelgetriebes her. Als formschlüssige oder kraftschlüssige Getriebeverbindungen können Reibflächen zwischen den Getriebewellen und/oder Getriebehebeln, in Nuten eingreifende Stifte oder Stege, Keilflächenpaare, Rändelungen und Verzahnungen etc. dienen. Formschlüssige Getriebeverbindungen sind aber bevorzugt, da diese eine zuverlässige Funktion der Kopplung der Getriebeteile zu einem vollwertigen Koppelgetriebe gewährleisten.When forming the coupling gear partly on the first and partly on the second coupling element releasable form-fitting and / or non-positive transmission connections between the components of the linkage, so for example between transmission shafts and / or gear levers required. The transmission connections provide in coupling the two coupling elements a full coupling mechanism with a force-transmitting connection between the gear parts of the linkage forth. Friction surfaces between the gear shafts and / or gear levers, groove-engaging pins or webs, wedge-surface pairs, knurling and toothing, etc. can serve as interlocking or frictional transmission connections. Positive gear connections are preferred because they ensure a reliable function of the coupling of the gear parts to a full coupling mechanism.
Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung können das erste und das zweite Kopplungselement des Kopplungsteils jeweils etwa scheibenförmig ausgebildet sein. Durch die flache Bauweise der scheibenförmigen Kopplungselemente ist eine platzsparende Montage der Kopplungselemente an einer Schale des Jethelmteils und des Kinnteils möglich. In der Schale des Jethelmteils und des Kinnteils kann jeweils eine Einbuchtung eingeformt sein, in welche das Kopplungselement einlegbar und dort bevorzugt durch kostengünstige unlösbare stoffschlüssige Verbindungsverfahren, wie z.B. Schweißen, Nieten, Kleben, Gießen oder Anspritzen, befestigbar ist.According to a further advantageous embodiment of the invention, the first and the second coupling element of the coupling part may each be formed approximately disc-shaped. The flat design of the disk-shaped coupling elements space-saving installation of the coupling elements on a shell of Jethelmteils and the chin part is possible. In the shell of the Jethelmteils and the chin part, a respective indentation may be formed, in which the coupling element can be inserted and there preferably by inexpensive insoluble cohesive bonding methods, such. Welding, riveting, gluing, casting or molding, can be fastened.
Nach einer weiteren vorteilhaften Ausführungsform der Erfindung kann ein erstes Kopplungselement eines Kopplungsteils eine flächige scheibenförmige Wand als männliches Kopplungsglied und ein zweites Kopplungselement desselben Kopplungsteils eine entsprechend gestaltete, zumindest in Koppelungsrichtung offene Tasche als weibliches Kopplungsglied aufweisen, wobei die Tasche des zweiten Kopplungselements zur Aufnahme der Wand des ersten Kopplungselements dient. Mit dem Einschieben der Wand in die Tasche ist die Koppelung des Kopplungsteils vollzogen. Die Tasche kann die Wand weitgehend umschießen, so dass die Wand in den zwei Raumrichtungen senkrecht zur Einschubrichtung und in der Einschubrichtung vollkommen festgelegt ist. In der der Einschubrichtung entgegengesetzten Richtung kann sie durch Aktivierung der oben erwähnten Sicherung festlegbar sein.According to a further advantageous embodiment of the invention, a first coupling element of a coupling part a flat disc-shaped wall as a male coupling member and a second coupling element of the same coupling part have a correspondingly shaped, at least open in the coupling direction pocket as a female coupling member, wherein the pocket of the second coupling element for receiving the wall of the first coupling element is used. With the insertion of the wall in the pocket, the coupling of the coupling part is completed. The bag can largely overshadow the wall, so that the wall is completely fixed in the two spatial directions perpendicular to the direction of insertion and in the direction of insertion. In the direction opposite to the insertion direction, it can be fixed by activating the above-mentioned fuse.
Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung kann die Wand eine U-förmige Lasche aufweisen, die quer zur Einschubrichtung bzw. Kopplungsrichtung von der Wand absteht und im Kopplungszustand ihrerseits einen Teil der Tasche umgreift. Sie ist vorteilhaft an einem in Kopplungsrichtung hinteren Rand der Wand angebracht und kann die Tasche im Bereich ihrer für den Einschub offenen Seite umgreifen. Die Lasche kann für eine Klemmung und damit für eine klapperfreie Aufnahme der Wand in der Tasche sorgen. Außerdem kann sie zumindest einen Teil der oben erwähnten Sicherung aufnehmen, die die gekoppelten Elemente entgegen der Kopplungsrichtung festhält.According to a further advantageous embodiment of the invention, the wall may have a U-shaped tab which projects transversely to the insertion direction or coupling direction of the wall and in turn engages around a portion of the bag in the coupling state. It is advantageously attached to a rear edge of the wall in the coupling direction and can embrace the pocket in the region of its open side for insertion. The tab can provide a clamping and thus a rattle-free recording of the wall in the pocket. In addition, it can accommodate at least a portion of the above-mentioned fuse, which holds the coupled elements against the coupling direction.
Im gekoppelten Zustand liegen Flächenpaare aus jeweils einer Kopplungsfläche des ersten Kopplungselements einerseits und des anderen Kopplungselements andererseits flächig aneinander an. Erfindungsgemäß können sich die Kopplungsflächen zusammenwirkender Flächenpaare, die an sich in einer zur Koppelungsrichtung parallelen Ebene liegen, konisch verjüngen, so dass sie beim Einschieben eine Zentrierung der Kopplungselemente in der Kopplungsrichtung bewirken. Die Konizität kann außerdem zu einer Klemmwirkung der Kopplungselemente führen, was eine verschleiß- und geräuschärmere Verbindung der Kopplungselemente mit sich bringt. Denn mangels Bewegungsmöglichkeit der beiden Kopplungselemente relativ zueinander im gekoppelten Zustand können sie klapperfrei gehalten werden. Die Konizität der Kopplungsflächen kann in einer oder in beiden Raumrichtungen vorliegen, die orthogonal zur Kopplungsrichtung liegen.In the coupled state surface pairs of each one coupling surface of the first coupling element on the one hand and the other coupling element on the other hand lie flat against each other. According to the invention, the coupling surfaces of cooperating pairs of surfaces, which in themselves lie in a plane parallel to the coupling direction, conically taper, so that they cause a centering of the coupling elements in the coupling direction during insertion. The conicity can also lead to a clamping action of the coupling elements, which brings a wear and noise-poorer connection of the coupling elements with it. Because lack of movement possibility of the two coupling elements relative to each other in the coupled state, they can be kept rattling. The conicity of the coupling surfaces may be present in one or in both spatial directions, which are orthogonal to the coupling direction.
Grundsätzlich können das Kinnteil und das Jethelmteil in der Integralhelmstellung und der Jethelmstellung und in jeder Position oder nur in ausgewählten Positionen dazwischen koppelbar bzw. entkoppelbar sein. Insbesondere in derjenigen Ausführungsform, in der das Kopplungsteil und das Koppelgetriebe in einem Bauteil verbunden sind, kann nach einer weiteren vorteilhaften Ausgestaltungsform der Erfindung das Kopplungsteil nur in einer definierten Position oder Stellung betätigbar und in allen übrigen Stellungen durch das Koppelgetriebe mechanisch blockiert sein. Das Kopplungsteil und das Koppelgetriebe sind dazu derart ausgebildet, dass sich das Kopplungsteil nur in Abhängigkeit von der Stellung des Koppelgetriebes bedienen lässt. Das Koppelgetriebe kann beispielsweise eine erfolgreiche Betätigung des Kopplungsteils ausschließlich in der Integralhelmstellung zulassen. Dadurch lässt sich verhindern, dass sich das Kinnteil versehentlich vom Jethelmteil lösen kann, insbesondere wenn das Kinnteil während der Fahrt relativ zum Jethelmteil verschwenkt wird.Basically, the chin part and the Jethelmteil in the integral helmet position and the Jethelmstellung and in any position or only in selected positions between be coupled or decoupled. In particular, in that embodiment in which the coupling part and the coupling mechanism are connected in one component, according to a further advantageous embodiment of the invention, the coupling member can be actuated only in a defined position or position and mechanically blocked in all other positions by the coupling mechanism. The coupling part and the coupling gear are for this purpose designed such that the coupling part can be operated only in dependence on the position of the linkage. The coupling mechanism can for example permit a successful actuation of the coupling part exclusively in the integral helmet position. This makes it possible to prevent the chin part from being accidentally detached from the open-face helmet part, in particular when the chin part is pivoted relative to the open-face helmet part while driving.
Als Material des Kopplungsteils oder der Kopplungselemente können insbesondere Metall, z.B. Aluminiumdruckguss, eine Metall-Kunststoff-Verbindung oder ein Glasfaser- und/oder Kohlefaserverbund (GFK, CFK) in Betracht kommen.As the material of the coupling part or the coupling elements, metal, e.g. Diecast aluminum, a metal-plastic compound or a fiberglass and / or carbon fiber composite (GRP, CFK) come into consideration.
Das Prinzip der Erfindung wird im Folgenden anhand einer Zeichnung beispielshalber noch näher erläutert. In der Zeichnung zeigen:
Figur 1- eine schematische 3D-Darstellung eines Schutzhelms,
Figur 2- eine schematische 3D-Darstellung des Schutzhelms nach
Figur 1 mit vom Jethelmteil demontiertem Kinnteil, Figur 3- eine schematische 3D-Darstellung eines am Jethelmteil befestigten Kopplungselements,
- Figur 4
- eine schematische 3D-Darstellung eines am Kinnteil befestigten Kopplungselements,
Figur 5- eine schematische 3D-Darstellung der Kopplung der Kopplungselemente der
Figuren 3 und4 , Figur 6- eine Schnittansicht entlang der Schnittlinie VI-
VI der Figur 3 , - Figur 7
- eine schematisierte Schnittansicht der miteinander noch nicht vollständig gekoppelten Kopplungselemente,
- Figur 8
- eine schematische Teilschnittansicht entlang der Schnittlinie VIII-VIII der
Figur 7 .
- FIG. 1
- a schematic 3D representation of a protective helmet,
- FIG. 2
- a schematic 3D representation of the helmet after
FIG. 1 with the chin part dismantled from the Jethelm part, - FIG. 3
- a schematic 3D representation of a part attached to the Jethelmteil coupling element,
- FIG. 4
- a schematic 3D representation of an attached to the chin part coupling element,
- FIG. 5
- a schematic 3D representation of the coupling of the coupling elements of
Figures 3 and4 . - FIG. 6
- a sectional view taken along section line VI-VI of
FIG. 3 . - FIG. 7
- a schematic sectional view of each other not yet fully coupled coupling elements,
- FIG. 8
- a schematic partial sectional view along the section line VIII-VIII of
FIG. 7 ,
Der Schutzhelm weist ein Visier 5 aus durchsichtigem Kunststoff auf, das unabhängig vom Kinnteil 2 in Pfeilrichtungen 6 schwenkbar am Jethelmteil 1 angebracht ist. Das Visier 5 und das Kinnteil 2 sind im Bereich des Kopplungsteils 3 geschnitten und mit gestrichelten Umrisskanten dargestellt, um deren Lage am Schutzhelm zu verdeutlichen.The protective helmet has a
Die beiden Kopplungsteile 3 des Helms erlauben eine wiederholte Demontage und Montage des Kinnteils 2 mit dem Jethelmteil 1. Zur Demontage entriegelt und öffnet ein Nutzer das Kopplungsteil 3 und zieht das Kinnteil 2 in einer Entkopplungsrichtung 8 vom Jethelmteil 1 ab. Zur Montage wird das Kinnteil 2 in einer Kopplungsrichtung 9 auf das Jethelmteil 1 aufgeschoben, wobei sich das Kopplungsteil 3 automatisch schließt sowie entweder automatisch verriegelt oder durch den Nutzer verriegelt werden muss.The two
Den vom Jethelmteil 1 demontierten Zustand des Kinnteils 2 zeigt
Jedes Kopplungsteil 3 besteht aus einem ersten Kopplungselement 10, welches am Jethelmteil 1 festgelegt ist, und einem zweiten Kopplungselement 11, welches am Kinnteil 2 festgelegt ist. Der konstruktive Aufbau und die Funktionen des Kopplungsteils 3 werden nachfolgend anhand der
Das Koppelungselement 10 besteht gemäß
An der Seite 145 der Wand 14 und damit am Eingang der Tasche 12 ist eine in Kopplungsrichtung 9 gesehen randoffene L-förmige Ausklinkung 27 eingebracht. Sie setzt sich aus einem sich in Kopplungsrichtung 9 erstreckenden Schenkel 27a und einem rechtwinklig dazu und damit quer zur Kopplungsrichtung 9 verlaufenden Schenkel 27c zusammen. Den Schenkel 27c umgeben vertikale Anschlagflächen 27b, 27d und eine horizontale Anschlagflächen 27e.On the
Im unteren Bereich des Kopplungselements 10 ist noch ein Durchbruch 29 für die Aufnahme eines Kinnriemens (nicht gezeigt) vorhanden.In the lower region of the
Das Koppelungselement 11 besteht gemäß
Das Kopplungselement 11 trägt auf seiner dem freien Schenkel 172 gegenüberliegenden Seite der Wand 15 ein Koppelgetriebe 20, an dem das Kinnteil 2 befestigt ist. Das Kopplungselement 11 dient damit sowohl der Kopplung als auch der Verschwenkung des Kinnteils 2 an das bzw. gegenüber dem Jethelmteil 1. Das Koppelgetriebe 20 ist als Viergelenk mit zwei schwenkbar gelagerten Getriebehebeln 18, 19 ausgebildet. Der Getriebehebel 19 ist in einer Ausnehmung 26 in der Wand 15 aufgenommen. Die jeweiligen Enden der Getriebehebel 18, 19 sind mit Getriebewellen 21, 22, 23, 24 verbunden. Die Getriebewellen 21, 24 bilden Drehpunkte der schwenkbaren Getriebehebel 18, 19 gegenüber dem Kopplungselement 11. Die Getriebewellen 22, 23 sind mit dem nicht dargestellten Kinnteil 2 verbunden. Der Getriebehebel 18 lässt sich um nahezu 180° verschwenken, der andere Getriebehebel 19 kann sich mit dem oberen Ende 23 der Getriebewelle um einen maximalen Winkel α von ca. 30° um den Mittelpunkt des unteren Endes 24 der Getriebewelle innerhalb der Ausnehmung 26 verschwenken. Dadurch erhält das daran angeschlossene Kinnteil 2 eine von einer Kreisbahn abweichende Bahn- bzw. Bewegungskurve, wie sie an sich in der
Auf der mittleren Wand 171 ist eine Handhabe 28 angebracht. Sie ist als U-förmiger Schlitten ausgebildet, der die ebenfalls U-förmige Lasche 17 umgreift und auf ihr vertikal nach unten gegen eine nicht dargestellte Feder verschiebbar ist. Ein in
Beim Einschieben des Kopplungselements 11 in Kopplungsrichtung 9 in das Kopplungselement 10 hinein schiebt sich die Wand 15 des Kopplungselements 11 in die Tasche 12 des Kopplungselements 10. Zugleich umgreift die U-förmige Lasche 17 des Kopplungselements 11 die Wand 14 des Kopplungselements 10 im Bereich ihrer Schmalseite 145, die in den Schacht 13 einfährt. Die Ränder 144 der in Kopplungsrichtung 9 gepfeilten Wand 16 des Kopplungselements 10 wirken als Anschlag für das Kopplungselement 11 in Kopplungsrichtung 9, an die sich die ebenfalls gepfeilte Spitze 35 in der vollkommen erfolgten Kopplungslage formidentisch anschmiegt. Jetzt umschließt die Tasche 12 die Wand 15 des Kopplungselements 11 abgesehen von der Entkopplungsrichtung 8 formschlüssig in allen übrigen Richtungen. Die langseitigen Ränder 143 dienen während des Kopplungs- bzw. Entkopplungsvorgangs, also in Kopplungs- 9 bzw. Entkopplungsrichtung 8 als Linearführung der Wand 15 des Kopplungselements 11.When inserting the
Gleichzeitig wird der horizontale Bolzen der Handhabe 28, die der Nutzer entgegen der Federkraft abwärts gezogen hat, in die L-förmige Ausklinkung 27 eingeführt. Mit dem Eintauchen der Spitze 35 in den Rändern 144 und dem Anschlagen des Randes 145 an der Innenseite der mittleren Wand 171 schlägt der Bolzen 281 an der Anschlagfläche 27b an. Jetzt lässt der Nutzer die Handhabe 28 frei, so dass die Federkraft die Handhabe 28 und damit den Bolzen 281 aufwärts treibt, jenen in den Schenkel 27c hinein, bis er an der Anschlagfläche 27e anliegt. Damit ist eine vollständige und nicht mehr ungewollt lösbare Kopplung der Kopplungselemente 10, 11 erreicht. Die Federkraft hält den Bolzen 281 in dieser Position innerhalb der Ausklinkung 27 fest, so dass er und die Handhabe 28 nicht ungewollt abwärts verschoben und damit der Bolzen 281 aus dem Schenkel 27c der Ausklinkung 27 ausgefahren wird. Die Federkraft stellt vielmehr sicher, dass das Kopplungselement 11 nicht ohne bewussten Eingriff des Benutzers in der Entkopplungsrichtung relativ zum Kopplungselement 10 verschoben werden kann.At the same time, the horizontal pin of the
Wird das Kopplungselement 11 gemäß
Das Kopplungsteil 3 ist in Richtung seiner Querachse 41 möglichst niedrig, in Richtung seiner Hochachse 40 sowie seiner Längsachse 42 und damit in Entkopplungsrichtung 8 bzw. in Kopplungsrichtung 9 jedoch den Erfordernissen seiner Stabilität entsprechend größer dimensioniert. Das Kopplungsteil 3 ist damit möglichst flach ausgebildet, um den Schutzhelm in seinem Ohrenbereich, in dem das Kopplungsteil 3 angeordnet ist, nicht unnötig zu verbreitern.The
Das Kopplungselement 10 ist dem Jethelmteil 1 zugeordnet. Es ist daran mit seiner der Wand 15 gegenüberliegenden Seite der Wand 14 befestigt. Im gekoppelten Zustand umgreift die U-förmige Lasche 17 mit ihrem freien Schenkel 172 daher nicht nur den Rand 145, sondern zu Stabilisierungszwecken auch eine (nicht dargestellte) Wandung des Jethelmteils 1.The
Das Kopplungselement 11 dagegen ist dem Kinnteil 2 zugeordnet. Es trägt auf seiner der Wand 14 abgewandten Seite der Wand 15 das in
An dem unteren Rand 143 des Kopplungselements 10 nach außen hin ist ein so genannter Wangenumgriff 34 zur formschlüssigen Anlage an einem Wangenbereich 1b des Jethelmteils 1 angebracht.At the
Es wird abschließend noch einmal darauf hingewiesen, dass es sich bei der in den Figuren dargestellten Erfindung nur um ein Ausführungsbeispiel handelt, welches in vieler Hinsicht modifiziert werden kann, im Umfang der beigefügten Ansprüche. Außerdem schließt die Verwendung der unbestimmten Artikel "ein", "eine" nicht aus, dass die betreffenden Merkmale auch mehrmals oder mehrfach vorhanden sein können. Ebenso schließt der Begriff "Einheit" nicht aus, dass diese auch aus Untereinheiten bestehen kann.It is finally pointed out again that the invention shown in the figures is only an embodiment which can be modified in many respects within the scope of the appended claims. In addition, the use of indefinite articles "on", "an" does not exclude that the characteristics in question may also be present several or more times. Likewise, the term "entity" does not exclude that it may also consist of subunits.
- 11
- JethelmteilJethelmteil
- 1a1a
- Einbuchtungindentation
- 1b1b
- Wangenbereichcheek area
- 22
- Kinnteilchin
- 33
- Kopplungsteilcoupling part
- 44
- Schwenkrichtungenpivotal directions
- 55
- Visiervisor
- 66
- Klapprichtungenfolding directions
- 88th
- Entkopplungsrichtungdecoupling direction
- 99
- Kopplungsrichtungcoupling direction
- 1010
- Kopplungselementcoupling element
- 1111
- Kopplungselementcoupling element
- 1212
- Taschebag
- 1313
- Schachtshaft
- 1414
- Wandwall
- 1515
- Wandwall
- 1616
- pfeilförmige Wandarrow-shaped wall
- 1717
- Lascheflap
- 1818
- Getriebehebelgear lever
- 1919
- Getriebehebelgear lever
- 2020
- Koppelgetriebecoupling gear
- 2121
- Getriebewellegear shaft
- 2222
- Getriebewellegear shaft
- 2323
- Getriebewellegear shaft
- 2424
- Getriebewellegear shaft
- 2626
- Ausnehmungrecess
- 2727
- Ausklinkungnotch
- 27a27a
- Schenkelleg
- 27b27b
- Anschlagflächestop surface
- 27c27c
- Schenkelleg
- 27d27d
- Anschlagflächestop surface
- 27e27e
- Anschlagflächestop surface
- 2828
- Handhabehandle
- 2929
- Durchbruchbreakthrough
- 3030
- Haltezapfenretaining pins
- 3131
- DurchgangslöcherThrough holes
- 3232
- Außenseiteoutside
- 3333
- Innenseiteinside
- 3434
- WangenumgriffWangenumgriff
- 3535
- Spitzetop
- 3636
- Längsrandlongitudinal edge
- 3838
- konische Flächeconical surface
- 3939
- konische Flächeconical surface
- 4040
- Hochachsevertical axis
- 4141
- Querachsetransverse axis
- 4242
- Längsachselongitudinal axis
- 141141
- rechteckiger Abschnittrectangular section
- 142142
- Schmalseitenarrow side
- 143143
- langseitiger Randlong-sided edge
- 144144
- freier Randfree border
- 145145
- Schmalseitenarrow side
- 146146
- Öffnungopening
- 171171
- mittlere Wandmiddle wall
- 172172
- freier Schenkelfree thigh
- 281281
- Bolzenbolt
Claims (10)
- A safety helmet, especially motorcycle helmet, with a jet helmet part (1) and a chin part (2) which are detachably connected together by means of a coupling part (3) and are pivotable relative to each other in pivoting directions (4) by means of an articulated connection designed as a multi-part coupling linkage (20).
- A safety helmet according to Claim 1, wherein the multi-part coupling linkage is a four-bar linkage (20).
- A safety helmet according to Claim 1 or Claim 2, wherein the coupling part (3) comprises a first coupling element (10), which is connected to the jet helmet part (1), and a second coupling element (11), which is connected to the chin part (2), which elements can be coupled in positive manner by means of cooperating coupling members.
- A safety helmet according to Claim 3, wherein the multi-part coupling linkage (20) is located on a coupling element (11) of the coupling part (3).
- A safety helmet according to Claims 1 to 3, wherein the coupling linkage is designed to be able to be split into at least two coupling linkage parts which are arranged in each case on different coupling elements.
- A safety helmet according to one of Claims 1 to 5, wherein the coupling elements (10, 11) of the coupling part (3) in each case are designed to be disc-shaped.
- A safety helmet according to one of Claims 1 to 6, wherein one of the coupling elements (11) has a wall (15) and another one of the coupling elements (10) has a pocket (12) which is open at least in the coupling direction (9), the pocket (12) of the one coupling element (10) serving to receive the wall (15) of the other coupling element (11).
- A safety helmet according to Claim 7, wherein the wall (15) has a U-shaped tab (17) which protrudes from the wall (15) transversely to the coupling direction (9) and in the coupling state in turn encompasses a part of the pocket (12).
- A safety helmet according to one of Claims 1 to 8, wherein coupling surfaces (36, 37, 38, 39) of the coupling elements (10, 11) which cooperate with each other are embodied conically such that they lead to centring of the coupling elements (10, 11) in one or both spatial directions perpendicular to the coupling direction (9).
- A safety helmet according to one of Claims 1 to 9, wherein the coupling part (3) can be actuated only in a defined position of the coupling linkage (20) and in all the other positions is mechanically blocked by the coupling linkage (20).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014218041.4A DE102014218041A1 (en) | 2014-09-10 | 2014-09-10 | Protective helmet, in particular motorcycle helmet, with pivoting and removable chin part |
PCT/EP2015/069406 WO2016037845A1 (en) | 2014-09-10 | 2015-08-25 | Protective helmet, in particular motorcycle helmet, having a swivelable and removable chin part |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3190913A1 EP3190913A1 (en) | 2017-07-19 |
EP3190913B1 true EP3190913B1 (en) | 2019-04-24 |
Family
ID=54007703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15754205.1A Active EP3190913B1 (en) | 2014-09-10 | 2015-08-25 | Protective helmet, in particular motorcycle helmet, having a swivelable and removable chin part |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3190913B1 (en) |
DE (1) | DE102014218041A1 (en) |
ES (1) | ES2728969T3 (en) |
WO (1) | WO2016037845A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016223793A1 (en) | 2016-11-30 | 2018-05-30 | Bayerische Motoren Werke Aktiengesellschaft | Protective helmet, in particular motorcycle helmet, with pivoting and removable chin part |
DE102018009661A1 (en) | 2018-12-08 | 2020-06-10 | MHC2 GbR ( Vertretungsberechtigter Gesellschafter: Franz Hargasser, 84539 Ampfing) | Collapsible helmet |
WO2021224932A1 (en) * | 2020-05-04 | 2021-11-11 | Mku Limited | A system for mounting visor on ballistic helmets |
DE102022132430A1 (en) | 2022-12-07 | 2024-06-13 | ABUS August Bremicker Söhne Kommanditgesellschaft | Modular helmet system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0685177B1 (en) * | 1994-05-20 | 1998-07-29 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Protective helmet, especially for motorcyclists |
EP0797935B1 (en) * | 1996-03-18 | 1999-09-22 | E.D.C. Sa | Integral helmet for motorcyclists and the like provided with a device for opening - closing the chin-strap |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1197145B (en) * | 1986-09-02 | 1988-11-25 | Marco Cianfanelli | FULL-FACE HELMET EQUIPPED WITH CHIN GUARD IN ONE PIECE, LIFTABLE BY TRANSLATION AND ROTATION MOVEMENT |
FR2876006B1 (en) * | 2004-04-29 | 2007-04-13 | Msa Gallet Sa | IMPROVEMENT FOR PROTECTIVE HELMETS |
ITMI20101827A1 (en) | 2010-10-06 | 2012-04-06 | Opticos Srl | PROTECTIVE HELMET |
CN101991208B (en) * | 2010-11-10 | 2012-06-13 | 江门市鹏程头盔有限公司 | Variable jaw structure protecting helmet |
-
2014
- 2014-09-10 DE DE102014218041.4A patent/DE102014218041A1/en not_active Withdrawn
-
2015
- 2015-08-25 EP EP15754205.1A patent/EP3190913B1/en active Active
- 2015-08-25 ES ES15754205T patent/ES2728969T3/en active Active
- 2015-08-25 WO PCT/EP2015/069406 patent/WO2016037845A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0685177B1 (en) * | 1994-05-20 | 1998-07-29 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Protective helmet, especially for motorcyclists |
EP0797935B1 (en) * | 1996-03-18 | 1999-09-22 | E.D.C. Sa | Integral helmet for motorcyclists and the like provided with a device for opening - closing the chin-strap |
Also Published As
Publication number | Publication date |
---|---|
WO2016037845A1 (en) | 2016-03-17 |
DE102014218041A1 (en) | 2016-03-10 |
EP3190913A1 (en) | 2017-07-19 |
ES2728969T3 (en) | 2019-10-29 |
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