EP0471906A1 - Vorrichtung zum Befestigen einer Visierscheibe an einem Helm - Google Patents

Vorrichtung zum Befestigen einer Visierscheibe an einem Helm Download PDF

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Publication number
EP0471906A1
EP0471906A1 EP90313618A EP90313618A EP0471906A1 EP 0471906 A1 EP0471906 A1 EP 0471906A1 EP 90313618 A EP90313618 A EP 90313618A EP 90313618 A EP90313618 A EP 90313618A EP 0471906 A1 EP0471906 A1 EP 0471906A1
Authority
EP
European Patent Office
Prior art keywords
shield plate
mounting base
base plate
plate
supporting cylinder
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.)
Withdrawn
Application number
EP90313618A
Other languages
English (en)
French (fr)
Inventor
Eitaro Kamata
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.)
Shoei Kako Co Ltd
Original Assignee
Shoei Kako Co Ltd
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 Shoei Kako Co Ltd filed Critical Shoei Kako Co Ltd
Publication of EP0471906A1 publication Critical patent/EP0471906A1/de
Withdrawn legal-status Critical Current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
    • A42B3/18—Face protection devices
    • A42B3/22—Visors
    • 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
    • A42B3/18—Face protection devices
    • A42B3/22—Visors
    • A42B3/221—Attaching visors to helmet shells, e.g. on motorcycle helmets
    • A42B3/222—Attaching visors to helmet shells, e.g. on motorcycle helmets in an articulated manner, e.g. hinge devices

Definitions

  • the present invention relates to a shield plate (or visor) mounting structure for a helmet for mounting a shield plate to a mounting base plate fixedly secured to an outer surface of a cap body for turning between a fully opened position for fully opening a window of the cap body and a fully closed position for fully closing the window by the shield plate.
  • the shield plate may be exchanged for a clear type, a sunshade type or the like in response to a user's liking or state of use.
  • screws or a cover must be detached and attached at the time of exchanging the shield plate.
  • exchanging operation is troublesome, and moreover, there is a fear that the screws may be lost or the cover may be dropped and damaged.
  • the present invention has been accomplished with such circumstances in view. It is an object of the present invention to provide a shield plate mounting structure for a helmet in which a shield plate can easily be detached from or attached to a mounting base plate without using screws or a cover.
  • the present invention provides a shield plate mounting structure for a helmet for mounting a shield plate to a mounting base plate fixedly secured to an outer surface of a cap body in a manner that the shield plate is turnable between a fully opened position for fully opening a window of the cap body and a fully closed position for fully closing the window
  • the structure comprises a supporting cylinder formed on one of the mounting base plate and the shield plate, and a pivot section formed on the other, the supporting cylinder and the pivot section being relatively turnably fitted with each other, and further comprises, between the mounting base plate and the shield plate, stopper means provided for normally restricting the fully opened position of the shield plate but releasing the restriction when a predetermined resilient deformation is imparted to the shield plate, and engaging means for separating the mounting base plate and the shield plate from each other when the restriction of said stopper means is released and the shield plate is turned to a position past the fully opened position but for coupling the mounting base plate and the shield plate to each other when the shield plate is set in a service region between the
  • the supporting cylinder is first engaged with the pivot section at a position past the fully opened position, and the shield plate is turned from the fully opened position toward the closed position around the pivot section while imparting a predetermined resilient deformation to the shield plate. Then, the engaging means is engaged to couple the shield plate to the mounting base plate. Since the shield plate is prevented from being turned to pass the fully opened position of the shield plate by the stopper means in a normal service state of the shield plate, the engaging state of the engaging means is maintained.
  • a shield plate mounting structure for a helmet, for pivotally mounting a shield plate on a mounting base plate fixedly secured to an outer surface of a cap body in a manner that the shield plate is turnable for opening and closing a window of the cap body
  • the structure comprises a supporting cylinder formed on one of the mounting base plate and the shield plate, and a pivot section formed on the other, the mounting base plate and the pivot section being turnably fitted with each other, and further comprises, between opposed surfaces of the mounting base plate and the shield plate, an engaging means for providing a detachable connection between the mounting base plate and the shield plate, the shield plate being entirely formed of a translucent synthetic resin material so as to permit said engaging means to be observed from an outside through the shield plate.
  • the shield plate can be mounted on the mounting base plate while confirming the engaging state of the supporting cylinder and the pivotal shaft and the engaging state, etc., of the engaging means, screws or a cover is not required for mounting the shield plate, and mounting of the shield plate on the cap body can be easily and accurately conducted.
  • a shield plate 4 is vertically turnably mounted at left and right end portions of the shield plate 4 to left and right side walls of a cap body 2 of a full-face type helmet 1 for opening and closing a window 3 opened in a front wall of the cap body 2.
  • the shield plate 4 as a whole including its both ends is formed of transparent or translucent synthetic resin.
  • the mounting structure 5 will be described by referring to Figs. 2 to 6. As shown in Figs. 2 and 4, shallow recesses 6 are formed on left and right outer side surfaces of the cap body 1, and mounting base plates 7 each made of synthetic resin are respectively secured to the bottoms of the recesses 6 at upper and lower positions with screws 8 and 9.
  • a supporting cylinder 10 is integrally formed with a surface of the mounting base plate 7 to surround the upper screw 8.
  • a first wide notch 11 is provided at an upper portion of the inner wall of the supporting cylinder 10, and a second narrow notch 12 is provided at a lower portion of the inner wall of the cylinder 10.
  • a visor-shaped small projection 13 (Fig. 4) is formed at an upper edge of the central portion of the first notch 11.
  • a first locking groove 17 extending downwardly from the front end of the first notch 11 and a second locking groove 18 extending upwardly from the rear end of the second notch 12 are provided at the inner wall of the supporting cylinder 10.
  • Guide walls 14 and 14' extending straightly downwardly from the supporting cylinder 10 at both sides of the second notch 12 are projected on the surface of the mounting base plate 7, and the intermediate portions of the guide walls 14 and 14' are coupled to each other through a connecting wall 15.
  • a temporarily clamping member 16 is disposed between the guide walls 14 and 14' and a vertical slide movement of the member 16 is guided by both the guide walls 14 and 14'.
  • the temporarily clamping member 16 is provided at its upper end with a pawl 16a opposed to the second notch 12 and bent to the bottom side of the supporting cylinder 10, and at its lower end with a knob 16b rising outwardly of the mounting base plate 7.
  • An upper edge portion of the leading end of the pawl 16a is formed in an oblique face 19 (see Fig. 4).
  • the clamping member 16 is provided with a vertically long slit 22 in which a projection 21 of the connecting wall 15 is to be inserted.
  • the projection 21 is brought into abutment against the lower end wall of the slit 22 to restrict the operating position of the clamping member 16 for placing the upper edge of the pawl 16a into a position flush with the inner wall of the supporting cylinder 10.
  • the pawl 16a is brought into abutment against the connecting wall 15 to restrict the releasing position of the temporarily clamping member 16 for retreating the pawl 16a from the supporting cylinder 10.
  • a coil spring 23 for biasing the temporarily clamping member 16 toward the operating position is provided in compression between the temporarily clamping member 16 and the connecting wall 15.
  • a circular arc-shaped projecting wall 24 having a larger diameter than that of the supporting cylinder 10 and concentric with the supporting cylinder 10 is further formed on the mounting base plate on a front side of the helmet with respect to the guide wall 14.
  • the projecting wall 24 is coupled at its leading end to a rib 25 extended from the outer peripheral surface of the supporting cylinder 10, and coupled at a rear end of the wall 24 to the guide wall 14.
  • a third locking groove 26 is provided on the outer peripheral surface of the circular arc-shaped projecting wall 24.
  • An end portion of the third locking groove 26 on the side of the rib 26 is opened as an inlet, and a small circular arc-shaped temporarily clamping pawl 27 formed in the vicinity of the inlet is projected on the mounting base plate 7.
  • a pawl portion of the temporarily clamping pawl 27 is directed radially outwardly, and an oblique face 27a is formed at its upper edge.
  • the mounting base plate 7 is formed with a rib 25' extended in parallel with the rib 25 and a circular arc-shaped enclosure wall 29 concentric with the projecting wall 24 for surrounding the projecting wall 24 and the temporarily clamping pawl 27.
  • a resilient arm 30 extended forwardly from the guide wall 14 at the radial outside of the enclosure wall 29 is provided on the mounting base plate 7, and the resilient arm 30 has one or a plurality of click teeth 31 on the outer surface of the free end of the arm 30.
  • a first stationary stopper 32 disposed outside the resilient arm 30 and on the front side of the helmet, and a second stationary stopper 33 disposed on a rear side of the helmet are projected on the surface of the mounting base plate 7.
  • the first stationary stopper 32 is formed at its front side with an oblique face 32a and at its rear side with a vertical face 32b
  • the second stationary stopper 33 is formed at its front and rear sides with oblique faces 33a and 33b.
  • pivot sections 35 to be loosely fitted in the supporting cylinder 10 are integrally projected on inner faces of left and right end portions of the shield plate 4.
  • First and second collar-shaped locking pawls 36 and 37 to be respectively engaged with the first and second locking grooves 17 and 18 through the first and second notches 11 and 12 are formed on the outer peripheral surfaces of the pivot sections 35, and the outer peripheral edges of the locking pawls 35 and 37 are formed into oblique faces 36a and 37a, respectively.
  • a third locking pawl 38 to be sequentially engaged with the temporarily clamping pawl 27 and the third locking groove 26, a number of click teeth 39, 39,.. cooperating with the click teeth 31 of the resilient arm 30, and a movable stopper 40 cooperating with the first and second stationary stoppers 32 and 33 are integrally formed at the end portions of the shield plate 4.
  • the third locking pawl 38 has at its pawl portion an oblique face 38a.
  • the number of click teeth 39, 39,.. are arranged circumferentially with the pivot section 35 as a center, and coupled to each other by a circular arc-shaped connecting wall 41 integral with the shield plate 4.
  • the movable stopper 40 is formed in an L-shaped cross section, and coupled at its one end to the connecting wall 41.
  • the first and second locking pawls 36 and 37 are disposed at positions where those pawls can be entered the first and second notches 11 and 12 of the supporting cylinder 10, and at the same time, the third locking pawl 38 is disposed at a position to be engaged with the clamping pawl 27.
  • the first locking pawl 36 is entered the first notch 11 and is engaged with the small projection 13 while sliding on the oblique face 36a.
  • the second locking pawl 37 presses at the oblique face 37a the oblique face 19 of the temporarily clamping member 16 while entering the second notch 12 to once retreat the clamping member 16 to a non- operating position against the biasing force of the spring 23, and when the second locking pawl 37 is completely fitted in the second notch 12, the clamping member 16 is returned to the operating position by the biasing force of the spring 23 to engage the pawl 16a with the second locking pawl 37.
  • the pawl 38 presses at its oblique face 38a to the oblique face 27a of the temporarily clamping pawl 27 to be engaged with the clamping pawl 27 while both are being resiliently deformed.
  • the shield plate 4 is temporarily clamped on the mounting base plate 7.
  • the first and second locking pawls 36 and 37 are respectively engaged with the first and second locking grooves 17 and 18 of the supporting cylinder 10, and the third locking pawl 38 is carried to the engaging position with the third locking groove 26 under the guidance of the temporarily clamping pawl 27.
  • the third locking pawl 38 engaged with the third locking groove 26 is prevented from being displaced radially outwardly by the enclosure wall 29, and the pawl 38 is prevented from being detached from the third locking groove 26.
  • the movable stopper 40 is brought into contact with the vertical face 32b of the first stationary stopper 32 to restrict the fully opened position of the shield plate 4. With this restriction, the locking pawls 36, 37 and 38 are prevented from falling off the locking grooves 17, 18 and 26 to secure the mounting state of the shield plate 4.
  • the shield plate 4 is turned to the lowermost fully closed position (see Fig. 1), since the movable stopper 40 is engaged with the rear oblique face 33b by the inwardly returning force of the end portion of the shield plate 4 after the movable stopper 40 overrides the front oblique face 33a of the second stationary stopper 33, the shield plate 4 is held at its fully closed position by the engaging force.
  • the click teeth 31 are engaged with arbitrary teeth of the number of click teeth 39, 39,.. by the resilient force of the resilient arm 30, and the shield plate 4 can be held at an arbitrary turning position by the engaging force.
  • the side portions of the shield plate 4 is first deformed outwardly to avoide the interference between the movable stopper 40 and the first stationary stopper 32 and is turned upwardly to a position slightly higher than the fully opened position, and the first stationary stopper 32 is received in the L-shaped movable stopper 40. In this way, the shield plate 4 is returned to the above-described temporarily clamping state (the state as shown in Fig. 3).
  • the wearer of the helmet puts his finger on the knob 16b to pull down the temporarily clamping member 16, and the pawl 16a of the clamping member 16 is separated from the second locking pawl 37. If the end portion of the shield plate 4 is strongly pulled outwardly in this state, the first locking pawl 36 is forcibly separated from the small projection 13, and the third locking pawl 38 is forcibly separated from the clamping pawl 27. Thus, the end portions of the shield plate 4 are removed from the mounting base plates 7.
  • the shield plate 4 including its central portion and its both left and right ends is transparent or translucent, when attaching or detaching the shield plate 4, the relative positional relationship of the components of the mounting structure 5 can be visually observed through the shield plate 4. Accordingly, the attaching and detaching operation of the shield plate 4 can be easily and accurately conducted. Further, it is advantageous to visually check the presence or absence of a trouble of the mounting structure 5 with the shield plate 4 on.
  • the locking pawls 36, 37 and 38 and the locking grooves 17, 18 and 26 constitute engaging means of the present invention.
  • the temporarily clamping member 16, the temporarily clamping pawl 27 and the locking pawls 36, 37 and 38 constitute temporarily clamping means of the invention, and the first stationary stopper 32 and the movable stopper 40 constitute stopper means.
  • the present invention is not limited to the full-face type helmet only.
  • the present invention can also be applied to other type such as jet type.
  • those on the side of the mounting base plate 7 may be provided on the shield plate 4, and those on the side of the shield plate 4 may be provided on the mounting base plate 7.

Landscapes

  • Helmets And Other Head Coverings (AREA)
EP90313618A 1990-08-20 1990-12-13 Vorrichtung zum Befestigen einer Visierscheibe an einem Helm Withdrawn EP0471906A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP218565/90 1990-08-20
JP2218565A JPH04100910A (ja) 1990-08-20 1990-08-20 ヘルメットにおけるシールド板取付構造

Publications (1)

Publication Number Publication Date
EP0471906A1 true EP0471906A1 (de) 1992-02-26

Family

ID=16721938

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90313618A Withdrawn EP0471906A1 (de) 1990-08-20 1990-12-13 Vorrichtung zum Befestigen einer Visierscheibe an einem Helm

Country Status (4)

Country Link
EP (1) EP0471906A1 (de)
JP (1) JPH04100910A (de)
KR (1) KR920010986B1 (de)
CA (1) CA2031991A1 (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0629357A2 (de) * 1993-06-18 1994-12-21 Shoei Kako Kabushiki Kaisha Vorrichtung zum Befestigen einer Visierscheibe an einem Helm
WO1995028100A1 (en) * 1994-04-15 1995-10-26 Dainese S.P.A. Crash helmet for motor-cyclists
GB2300346A (en) * 1995-05-04 1996-11-06 Nichola Barry Crash helmet with a removable visor
EP0826317A2 (de) * 1996-09-02 1998-03-04 Yamaha Hatsudoki Kabushiki Kaisha Helm
AT2126U1 (de) * 1996-07-31 1998-05-25 Uvex Sports Gmbh & Co Kg Lageranordnung für das visier eines motorradhelms
FR2759869A1 (fr) * 1997-02-21 1998-08-28 Jcp Ind Dispositif de protection cephalique, notamment casque integral de moto
EP1000558A2 (de) * 1998-11-13 2000-05-17 Hong Jin Crown Corporation Vorrichtung zum Befestigen einer Visierscheibe an einem Helm
WO2001058296A1 (en) * 2000-02-07 2001-08-16 Antonio Locatelli Full-face helmet
EP1163859A1 (de) * 2000-06-12 2001-12-19 Manufacturas Tomás, S.A. Vorrichtung zum Befestigen einer durchsichtigen Visierscheibe an einem Helm
EP1260148A2 (de) * 2001-05-18 2002-11-27 Kabushiki Kaisha Shoei Betätigungsvorrichtung für ein Helmvisier
EP1366683A1 (de) * 2002-05-27 2003-12-03 OPTICOS S.r.l. Vorrichtung zur Befestigung des Visiers eines Helmes für Motorradfahrer
EP1661474A1 (de) * 2004-11-25 2006-05-31 HJC Co., Ltd. Vorrichtung zum Befestigen einer Visierscheibe an einem Schutzhelm

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100388726B1 (ko) * 2001-02-24 2003-06-25 주식회사 제이텍 헬멧용 시일드 결합장치
JP5582705B2 (ja) * 2009-02-17 2014-09-03 ヤマハ発動機株式会社 ヘルメット

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1560723A (en) * 1977-06-13 1980-02-06 Helmets Ltd Visor assemblies
US4305160A (en) * 1980-02-19 1981-12-15 Bell Helmets, Inc. Detent controlled helmet shields
EP0294677A1 (de) * 1987-06-09 1988-12-14 Michio Arai Vorrichtung zum Befestigen einer Visierscheibe an einem Schutzhelm

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63309612A (ja) * 1987-06-09 1988-12-16 新井　理夫 ヘルメットにおけるシ−ルドの取付構造

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1560723A (en) * 1977-06-13 1980-02-06 Helmets Ltd Visor assemblies
US4305160A (en) * 1980-02-19 1981-12-15 Bell Helmets, Inc. Detent controlled helmet shields
EP0294677A1 (de) * 1987-06-09 1988-12-14 Michio Arai Vorrichtung zum Befestigen einer Visierscheibe an einem Schutzhelm

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0629357A2 (de) * 1993-06-18 1994-12-21 Shoei Kako Kabushiki Kaisha Vorrichtung zum Befestigen einer Visierscheibe an einem Helm
EP0629357A3 (de) * 1993-06-18 1996-03-20 Shoei Kako Kk Vorrichtung zum Befestigen einer Visierscheibe an einem Helm.
WO1995028100A1 (en) * 1994-04-15 1995-10-26 Dainese S.P.A. Crash helmet for motor-cyclists
GB2300346A (en) * 1995-05-04 1996-11-06 Nichola Barry Crash helmet with a removable visor
AT2126U1 (de) * 1996-07-31 1998-05-25 Uvex Sports Gmbh & Co Kg Lageranordnung für das visier eines motorradhelms
EP0826317A2 (de) * 1996-09-02 1998-03-04 Yamaha Hatsudoki Kabushiki Kaisha Helm
EP0826317A3 (de) * 1996-09-02 1999-09-15 Yamaha Hatsudoki Kabushiki Kaisha Helm
FR2759869A1 (fr) * 1997-02-21 1998-08-28 Jcp Ind Dispositif de protection cephalique, notamment casque integral de moto
EP1000558A2 (de) * 1998-11-13 2000-05-17 Hong Jin Crown Corporation Vorrichtung zum Befestigen einer Visierscheibe an einem Helm
EP1000558A3 (de) * 1998-11-13 2001-12-12 Hong Jin Crown Corporation Vorrichtung zum Befestigen einer Visierscheibe an einem Helm
WO2001058296A1 (en) * 2000-02-07 2001-08-16 Antonio Locatelli Full-face helmet
EP1163859A1 (de) * 2000-06-12 2001-12-19 Manufacturas Tomás, S.A. Vorrichtung zum Befestigen einer durchsichtigen Visierscheibe an einem Helm
EP1260148A2 (de) * 2001-05-18 2002-11-27 Kabushiki Kaisha Shoei Betätigungsvorrichtung für ein Helmvisier
EP1260148A3 (de) * 2001-05-18 2005-08-24 Kabushiki Kaisha Shoei Betätigungsvorrichtung für ein Helmvisier
EP1366683A1 (de) * 2002-05-27 2003-12-03 OPTICOS S.r.l. Vorrichtung zur Befestigung des Visiers eines Helmes für Motorradfahrer
EP1661474A1 (de) * 2004-11-25 2006-05-31 HJC Co., Ltd. Vorrichtung zum Befestigen einer Visierscheibe an einem Schutzhelm

Also Published As

Publication number Publication date
KR920010986B1 (ko) 1992-12-26
CA2031991A1 (en) 1992-02-21
KR920003919A (ko) 1992-03-27
JPH04100910A (ja) 1992-04-02

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