EP0372406B1 - Adjustable chin strap for motorcycle protection helmets - Google Patents

Adjustable chin strap for motorcycle protection helmets Download PDF

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Publication number
EP0372406B1
EP0372406B1 EP89122166A EP89122166A EP0372406B1 EP 0372406 B1 EP0372406 B1 EP 0372406B1 EP 89122166 A EP89122166 A EP 89122166A EP 89122166 A EP89122166 A EP 89122166A EP 0372406 B1 EP0372406 B1 EP 0372406B1
Authority
EP
European Patent Office
Prior art keywords
frame
strap
chin strap
flap
closure
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.)
Expired - Lifetime
Application number
EP89122166A
Other languages
German (de)
French (fr)
Other versions
EP0372406A2 (en
EP0372406A3 (en
Inventor
Werner Scheffczyk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Scheffczyk Roswitha
Original Assignee
Scheffczyk Roswitha
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Scheffczyk Roswitha filed Critical Scheffczyk Roswitha
Publication of EP0372406A2 publication Critical patent/EP0372406A2/en
Publication of EP0372406A3 publication Critical patent/EP0372406A3/en
Application granted granted Critical
Publication of EP0372406B1 publication Critical patent/EP0372406B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/08—Chin straps or similar retention 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
    • A44B11/02—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps
    • A44B11/06—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps with clamping devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/40—Buckles
    • Y10T24/4079—Sliding part of wedge
    • Y10T24/4084—Looped strap

Definitions

  • the invention relates to an adjustable chin strap for motorcycle protective helmets, in which each of the two belt parts is connected with a drawstring in the middle under the chin with a self-locking double-acting pinch roller fastener, which consists of a frame on which at least two pinch rollers are slidably arranged.
  • a chin strap for motorcycle protective helmets which is attached on both sides in the cheek area of the helmet.
  • the two parts that make up the chin strap are connected to each other in the middle, approximately under the chin, with a self-locking double-acting pinch roller fastener.
  • the disadvantage of this chin strap is that the position of the attachment of the two strap ends on the protective helmet must be changed to adapt the chin strap to the different head sizes. This is cumbersome and time-consuming and is therefore not done in most cases. Chin straps can only work optimally if they hold the protective helmet firmly on the head, even if e.g. act on him in an accident.
  • the present invention is therefore based on the object of creating a simple possibility with which the length of the chin strap can be changed and adapted to the head sizes when the protective helmet is already seated on the head. This adjustment must be simple and still be able to be operated even if the motorcycle rider is wearing thick gloves.
  • the valve can advantageously be locked or locked in the use position.
  • the control flap expediently has locking stops which lie against the frame of the closure in the use position.
  • the advantage of this chin strap design with this lock is that the chin strap can be adjusted to at least three head sizes with these relatively simple and easy-to-use flaps.
  • the chin strap for head size 62-64 can be used if no flap is used. If only one flap is used, the length of the belt corresponds approximately to the head size 58-60 and if both flaps are used, this corresponds to a head size of 54-56. If you use flaps of different widths, you can set an even larger number of head sizes.
  • the chin strap consists of two belt parts 11 and 12, which are fastened with the ends (not shown) in the cheek region of the motorcycle protective helmet.
  • each belt part 11 and 12 is placed as a loop around a pinch roller 13 and 14 of a self-locking double-acting pinch roller fastener 15.
  • This pinch roller lock 15 consists of an approximately rectangular frame 16, on the longer side parts 17, the two pinch rollers 13 and 14 are slidably mounted.
  • a flap 19 and 20 is pivotally mounted on the two short transverse sections 18 of the frame 16 of the closure 15, a flap 19 and 20 is pivotally mounted.
  • the width of the control flaps 19, 20 corresponds approximately to the inner width of the frame 16, so that the control flaps, as shown at 19, can be folded into the interior of the frame 16.
  • the extent 21 of the adjusting flap 19, 20 in the pulling direction of the belt corresponds to the desired change in head size that is to be achieved. In general, an extension 21 of 10 mm will be sufficient to display all common head sizes.
  • a drawstring 22 is provided in a known manner.
  • the flaps 19, 20 are attached to a fitting 23, the transverse extent of which, at least in the area of the actual flap, is greater than the inner width of the frame 16, so that the flaps 19, 20 can only be folded or pivoted into the inside of the frame 16 and then the fitting 23 prevents further rotation. So that will achieved that the flaps 19, 20 position themselves when swiveling. Snap or spring elements can also be provided between the adjusting flaps 19, 20 and the frame 16, in particular the long parts 17 of the frame, with which the adjusting flaps can be locked.
  • an adjusting flap 19 for head size 58-60 is first pivoted in, so that it assumes the position shown in the figures in the frame 16. Then, after putting on the helmet, the chin strap is widened by pulling on the drawstring 22, so that the strap can be pushed over the chin. Due to the tension in the belt, the two sections 11 and 12 are clamped in the clamping roller fastener 15, so that the length of the belt no longer changes, even if, for example, considerable forces act on the helmet in the event of an accident. If the helmet is to be used with a different head size, then depending on the head size either no flap at all or both flaps have to be swiveled in.

Abstract

Adjustable chin strap for motorcycle protection helmets with two strap parts which are interconnected by means of a self-locking double-action clamping-roller closure, in which the closure consists of a frame with at least two clamping rollers and, on one or both short transverse sections (18) of the frame (16) of the closure (15), an adjusting flap (19, 20) is articulated pivotably about the frame part (18) and the extent (21) of the adjusting flap (19, 20) in the direction of pull of the strap corresponds to the desired head-size modification of the strap, the adjusting flap (19, 20) being pivotable into the inside of the closure frame (16). <IMAGE>

Description

Die Erfindung betrifft einen verstellbaren Kinngurt für Motorradschutzhelme, bei dem jeder der beiden Gurtteile mit einem Zugband in der Mitte unter dem Kinn mit einem selbstfeststellenden doppeltwirkenden Klemmrollenverschluss verbunden ist, welcher aus einem Rahmen besteht, auf dem mindestens zwei Klemmrollen verschiebbar angeordnet sind.The invention relates to an adjustable chin strap for motorcycle protective helmets, in which each of the two belt parts is connected with a drawstring in the middle under the chin with a self-locking double-acting pinch roller fastener, which consists of a frame on which at least two pinch rollers are slidably arranged.

Aus der DE 36 29 287 C1 ist ein Kinngurt für Motorradschutzhelme bekannt geworden, welcher beiderseits im Backenbereich des Helms befestigt ist. Die beiden Teile, aus denen der Kinngurt besteht, sind in der Mitte etwa unter dem Kinn mit einem selbstfeststellenden doppeltwirkenden Klemmrollenverschluss miteinander verbunden. Der Nachteil dieses Kinngurtes besteht darin, dass für die Anpassung des Kinngurtes an die verschiedenen Kopfgrössen die Befestigungsstelle der beiden Gurtenden am Schutzhelm verändert werden muss. Dies ist umständlich und aufwendig und wird daher in den meisten Fällen unterlassen. Kinngurte können aber nur optimal wirken, wenn sie den Schutzhelm fest auf dem Kopf halten und zwar auch dann, wenn z.B. bei einem Unfall starke Kräfte auf ihn einwirken.From DE 36 29 287 C1 a chin strap for motorcycle protective helmets has become known, which is attached on both sides in the cheek area of the helmet. The two parts that make up the chin strap are connected to each other in the middle, approximately under the chin, with a self-locking double-acting pinch roller fastener. The disadvantage of this chin strap is that the position of the attachment of the two strap ends on the protective helmet must be changed to adapt the chin strap to the different head sizes. This is cumbersome and time-consuming and is therefore not done in most cases. Chin straps can only work optimally if they hold the protective helmet firmly on the head, even if e.g. act on him in an accident.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine einfache Möglichkeit zu schaffen, mit der die Länge des Kinngurtes dann verändert und den Kopfgrössen angepasst werden kann, wenn der Schutzhelm schon auf dem Kopf sitzt. Diese Verstellmöglichkeit muss einfach sein und auch dann noch betätigt werden können, wenn der Motorradfahrer dicke Handschuhe trägt.The present invention is therefore based on the object of creating a simple possibility with which the length of the chin strap can be changed and adapted to the head sizes when the protective helmet is already seated on the head. This adjustment must be simple and still be able to be operated even if the motorcycle rider is wearing thick gloves.

Die Lösung dieser Aufgabe besteht darin, dass auf einem oder beiden quer liegenden Teilstücken des Rahmens des Verschlusses eine Stellklappe um den Rahmenteil schwenkbar angelenkt ist und die Ausdehnung der Stellklappe in Zugrichtung des Gurtes der gewünschten Kopfgrössenänderung des Gurtes entspricht, wobei die Stellklappe in das Innere des Verschlussrahmens einschwenkbar ist.The solution to this problem is that on one or both transverse sections of the frame of the closure, a flap is pivotally articulated around the frame part and the expansion of the flap in the direction of pull of the belt corresponds to the desired head size change of the belt, the flap in the interior of the Locking frame is pivotable.

Vorteilhaft ist die Stellklappe in Benutzungsstellung arretierbar bzw.feststellbar.The valve can advantageously be locked or locked in the use position.

Zweckmässig besitzt die Stellklappe Arretierungsanschläge, die sich in Benutzungsstellung an den Rahmen des Verschlusses anlegen.The control flap expediently has locking stops which lie against the frame of the closure in the use position.

Der Vorteil dieser Ausbildung eines Kinngurtes mit diesem Schloss betseht vor allem darin, dass mit diesen relativ einfach aufgebauten und auch zu bedienenden Stellklappen der Kinngurt mindestens auf drei Kopfgrössen eingestellt werden kann. So wird der Kinngurt für Kopfgrösse 62-64 benutzbar, wenn keine Stellklappe in Benutzung genommen wird. Wird nur eine Stellklappe benutzt, so entspricht die Länge des Gurtes etwa der Kopfgrösse 58-60 und werden beide Stellklappen benutzt, so entspricht das etwa einer Kopfgrösse von 54-56. Verwendet man verschieden breite Stellklappen, so kann man eine noch grössere Anzahl Kopfgrössen einstellen.The advantage of this chin strap design with this lock is that the chin strap can be adjusted to at least three head sizes with these relatively simple and easy-to-use flaps. The chin strap for head size 62-64 can be used if no flap is used. If only one flap is used, the length of the belt corresponds approximately to the head size 58-60 and if both flaps are used, this corresponds to a head size of 54-56. If you use flaps of different widths, you can set an even larger number of head sizes.

In den Zeichnungen ist eine beispielsweise Ausführungsform der Erfindung dargestellt und zwar zeigt :

  • Figur 1 eine Draufsicht auf den Verschluss im Kinngurt
  • Figur 2 einen Schnitt nach der Linie II - II der Figur 1.
An exemplary embodiment of the invention is shown in the drawings and shows:
  • Figure 1 is a plan view of the closure in the chin strap
  • 2 shows a section along the line II - II of Figure 1.

Nach den Fig.1 und 2 besteht der Kinngurt aus zwei Gurtteilen 11 und 12, welche mit den (nicht dargestellten) Enden im Backenbereich des Motorradschutzhelmes befestigt sind. In der Mitte etwa unter dem Kinn, ist jeder Gurtteil 11 und 12 als Schlaufe um eine Klemmrolle 13 und 14 eines selbstfeststellenden doppeltwirkenden Klemmrollenverschlusses 15 gelegt. Dieser Klemmrollenverschluss 15 besteht aus einem etwa rechteckigen Rahmen 16, auf dessen längeren Seitenteilen 17 die beiden Klemmrollen 13 und 14 verschiebbar gelagert sind. Bei Zug an den Kinngurtteilen 11 und 12 verschieben sich die Klemmrollen 13 und 14 soweit nach aussen, bis die Gurtteile 11 und 12 zwischen den quer liegenden kurzen Teilstücken 18 des Rahmens 16 des Verschlusses 15 und den Klemmrollen 13,14 ein- und fetgeklemmt sind. Damit ist der Verschluss geschlossen.According to the Fig.1 and 2, the chin strap consists of two belt parts 11 and 12, which are fastened with the ends (not shown) in the cheek region of the motorcycle protective helmet. In the middle, approximately under the chin, each belt part 11 and 12 is placed as a loop around a pinch roller 13 and 14 of a self-locking double-acting pinch roller fastener 15. This pinch roller lock 15 consists of an approximately rectangular frame 16, on the longer side parts 17, the two pinch rollers 13 and 14 are slidably mounted. When pulling on the chin strap parts 11 and 12, the pinch rollers 13 and 14 move outward until the strap parts 11 and 12 are clamped and grease clamped between the transverse short portions 18 of the frame 16 of the closure 15 and the pinch rollers 13, 14. The closure is now closed.

Auf den beiden kurzen quer liegenden Teilstücken 18 des Rahmens 16 des Verschlusses 15 ist je eine Stellklappe 19 und 20 verschwenkbar gelagert. Die Breite der Stellklappen 19, 20 entspricht etwa der inneren Breite des Rahmens 16, sodass die Stellklappen , wie bei 19 dargestellt, in das Innere des Rahmens 16 hineingeklappt werden kann. Die Ausdehnung 21 der Stellklappe 19, 20 in Zugrichtung des Gurtes entspricht dabei der gewünschten Kopfgrössenänderung, die erreicht werden soll. Im allgemeinen wird eine Ausdehnung 21 von 10 mm ausreichen, um alle gängigen Kopfgrössen darzustellen.On the two short transverse sections 18 of the frame 16 of the closure 15, a flap 19 and 20 is pivotally mounted. The width of the control flaps 19, 20 corresponds approximately to the inner width of the frame 16, so that the control flaps, as shown at 19, can be folded into the interior of the frame 16. The extent 21 of the adjusting flap 19, 20 in the pulling direction of the belt corresponds to the desired change in head size that is to be achieved. In general, an extension 21 of 10 mm will be sufficient to display all common head sizes.

Zum Öffnen des Verschlusses 15 ist in bekannter Weise ein Zugband 22 vorgesehen.To open the closure 15, a drawstring 22 is provided in a known manner.

Die Stellklappen 19, 20 sind auf einem Beschlag 23 befestigt, dessen Querausdehnung mindestens im Bereich der eigentlichen Klappe grösser ist als die innere Breite des Rahmens 16, sodass die Stellklappen 19, 20 nur bis in das Innere des Rahmens 16 hineingeklappt oder hineinverschwenkt werden können und dann der Beschlag 23 eine weitere Drehung verhindert. Damit wird erreicht, dass sich die Stellklappen 19, 20 beim Einschwenken von selbst positionieren. Es können auch Rast- oder Federelemente zwischen den Stellklappen 19, 20 und dem Rahmen 16, insbesondere den langen Teilen 17 des Rahmens, vorgesehen sein, mit denen die Stellklappen arretierbar sind.The flaps 19, 20 are attached to a fitting 23, the transverse extent of which, at least in the area of the actual flap, is greater than the inner width of the frame 16, so that the flaps 19, 20 can only be folded or pivoted into the inside of the frame 16 and then the fitting 23 prevents further rotation. So that will achieved that the flaps 19, 20 position themselves when swiveling. Snap or spring elements can also be provided between the adjusting flaps 19, 20 and the frame 16, in particular the long parts 17 of the frame, with which the adjusting flaps can be locked.

Für die Benutzung des erfindungsgemässen Kinngurtes wird zuerst eine Stellklappe 19 für Kopfgrösse 58-60 eingeschwenkt, sodass sie die in den Figuren dargestellte Lage im Rahmen 16 einnimmt. Dann wird nach dem Aufsetzen des Helmes der Kinngurt durch Ziehen am Zugband 22 geweitet, sodass der Gurt über das Kinn geschoben werden kann. Durch die Spannung im Gurt werden die beiden Teilstücke 11 und 12 im Klemmrollenverschluss 15 festgeklemmt, sodass sich die Länge des Gurtes nicht mehr verändert, und zwar auch dann nicht wenn z.B. bei einem Unfall erheblich Kräfte auf den Helm einwirken.
Soll der Helm bei einer anderen Kopfgrösse benutzt werden, so muss entsprechend der Kopfgrösse entweder überhaupt keine Stellklappe oder beide Stellklappen eingeschwenkt werden.To use the chin strap according to the invention, an adjusting flap 19 for head size 58-60 is first pivoted in, so that it assumes the position shown in the figures in the frame 16. Then, after putting on the helmet, the chin strap is widened by pulling on the drawstring 22, so that the strap can be pushed over the chin. Due to the tension in the belt, the two sections 11 and 12 are clamped in the clamping roller fastener 15, so that the length of the belt no longer changes, even if, for example, considerable forces act on the helmet in the event of an accident.
If the helmet is to be used with a different head size, then depending on the head size either no flap at all or both flaps have to be swiveled in.

Zum Absetzen des Helmes wird am Zugband 22 so stark gezogen, dass das in den beiden Gurtteilen 11 und 12 enthaltene elastische Teilstück mindestens teilweise aus dem Verschluss 15 herausgezogen ist. Durch diese Bewegung des Zugbandes 22 wird der Klemmrollenverschluss 15 geöffnet, wodurch der Kinngurt soweit verlängert, dass der Gurt über das Kinn nach vorne abgestreift werden kann. Lässt man das Zugband 22 wieder los, so zieht sich der gedehnte elastische Teil der Gurtteile 11 und 12 wieder zusammen, sodass der Kinngurt wieder seine normale Länge erhält. Auch jetzt kann der Kinngurt durch unterschiedliches Einschwenken der Stellklappen 19, 20 auf die verschiedenen gewünschten Kopfgrössen eingestellt werden.To take off the helmet, pull on the drawstring 22 so much that the elastic section contained in the two belt parts 11 and 12 is at least partially pulled out of the closure 15. This movement of the drawstring 22 opens the pinch roller fastener 15, thereby extending the chin strap so far that the strap can be stripped forward over the chin. If you let go of the drawstring 22 again, the stretched elastic part of the belt parts 11 and 12 contracts again, so that the chin belt regains its normal length. Even now, the chin strap can be adjusted to the various desired head sizes by pivoting the adjusting flaps 19, 20 differently.

Claims (3)

  1. Adjustable chin strap for motor cycle crash helmets, in which each of the two strap parts is connected in the centre under the chin by means of a tension strip to a self-fixing double-acting clamping roll catch, which consists of a frame on which at least two clamping rolls are arranged so that they can be displaced, characterised in that a setting flap (19, 20) is pivotably hinged around the frame part (18) on one or both short partial pieces (18), located transversely, of the frame (16) of the catch (15) and the extent (21) of the setting flap (19, 20) corresponds to the desired change in head size of the strap in the tensile direction of the strap, the setting flap (19, 20) being pivotable inside the catch frame (16).
  2. Adjustable chin strap according to Claim 1, characterised in that the setting flap (19, 20) can be locked or fixed in the operational position.
  3. Adjustable chin strap according to Claim 1 or 2, characterised in that the setting flap (19, 20) has locking stops (24), which are in contact with the frame (16) of the catch (15) in the operational position.
EP89122166A 1988-12-05 1989-12-01 Adjustable chin strap for motorcycle protection helmets Expired - Lifetime EP0372406B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3840891 1988-12-05
DE3840891A DE3840891A1 (en) 1988-12-05 1988-12-05 ADJUSTABLE CHIN STRAP FOR MOTORCYCLE PROTECTIVE HELMETS

Publications (3)

Publication Number Publication Date
EP0372406A2 EP0372406A2 (en) 1990-06-13
EP0372406A3 EP0372406A3 (en) 1990-10-24
EP0372406B1 true EP0372406B1 (en) 1994-08-10

Family

ID=6368469

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89122166A Expired - Lifetime EP0372406B1 (en) 1988-12-05 1989-12-01 Adjustable chin strap for motorcycle protection helmets

Country Status (5)

Country Link
US (1) US5027479A (en)
EP (1) EP0372406B1 (en)
JP (1) JPH03119104A (en)
AT (1) ATE109628T1 (en)
DE (2) DE3840891A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2000584A1 (en) * 1988-10-24 1990-04-24 Christopher E. Coombs Chinstrap activated head adjustment assembly for a protective helmet assembly
US5644822A (en) * 1996-04-01 1997-07-08 Net/Werk/Usa, Inc. Strap buckle
US5715580A (en) * 1996-09-09 1998-02-10 Net/Werk/Usa, Inc. Strapping system and fastener therefor
NO20004552A (en) * 2000-03-17 2001-08-27 Jan Gisle Berger Strap lock
DE202006007041U1 (en) * 2006-04-28 2006-07-27 Ako - Kunststoffe Alfred Kolb Gmbh headgear
US7886370B2 (en) * 2007-10-31 2011-02-15 Warrior Sports, Inc. Protective chin pad assembly for sporting helmets and method of construction thereof
US20090265841A1 (en) * 2008-04-28 2009-10-29 Ferrara Vincent R Chinstrap assembly
US8668696B2 (en) * 2009-08-20 2014-03-11 Dallen Medical, Inc. Low friction buckle tightening systems and methods
WO2016112225A1 (en) * 2015-01-07 2016-07-14 The Uab Research Foundation, Inc. Protective helmet systems that enable the helmet to rotate independent of the head
USD860858S1 (en) * 2018-01-08 2019-09-24 Edge-Works Manufacturing Company Belt buckle

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DE210787C (en) *
US485482A (en) * 1892-11-01 Band-fastener
FR19810E (en) * 1915-10-01 Warner Brothers Co Improvement in curls
US909213A (en) * 1908-01-17 1909-01-12 Nat Tongueless Buckle Company Belt-buckle.
US2036242A (en) * 1934-05-21 1936-04-07 Non Slip Fastener Inc Garment clip
US2538641A (en) * 1947-08-11 1951-01-16 C J W Corp Quick-release automatic strap buckle
US2977655A (en) * 1956-10-18 1961-04-04 Leo W Peters Buckles
US3121272A (en) * 1962-09-12 1964-02-18 B T Crump Company Inc Buckle
US3686715A (en) * 1971-01-11 1972-08-29 Ny Met Ind Inc Strap system for material handling
US4044400A (en) * 1976-10-18 1977-08-30 Bell Helmets Inc. Helmet retention system
JPS55158309A (en) * 1979-05-19 1980-12-09 Hirotake Arai Hooking tool of chin band in helmet
EP0195827A1 (en) * 1985-03-07 1986-10-01 Werner Scheffczyk Chin strap for protective helmets
DE3629287C1 (en) * 1986-08-28 1988-03-24 Werner Scheffczyk Chin strap for motorcycle helmets

Also Published As

Publication number Publication date
EP0372406A2 (en) 1990-06-13
JPH03119104A (en) 1991-05-21
ATE109628T1 (en) 1994-08-15
DE58908182D1 (en) 1994-09-15
EP0372406A3 (en) 1990-10-24
DE3840891A1 (en) 1990-06-07
US5027479A (en) 1991-07-02

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