EP0476591A2 - Casque de protection - Google Patents

Casque de protection Download PDF

Info

Publication number
EP0476591A2
EP0476591A2 EP91115760A EP91115760A EP0476591A2 EP 0476591 A2 EP0476591 A2 EP 0476591A2 EP 91115760 A EP91115760 A EP 91115760A EP 91115760 A EP91115760 A EP 91115760A EP 0476591 A2 EP0476591 A2 EP 0476591A2
Authority
EP
European Patent Office
Prior art keywords
chin guard
protective helmet
helmet according
shell
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.)
Withdrawn
Application number
EP91115760A
Other languages
German (de)
English (en)
Other versions
EP0476591A3 (en
Inventor
Thomas C/O Frogdesign Gerlach
Sebastian C/O Frogdesign Pretzsch
Friedrich Karrer
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.)
Romer Helme und Schutzausruestungen GmbH
Original Assignee
Romer Helme und Schutzausruestungen GmbH
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 Romer Helme und Schutzausruestungen GmbH filed Critical Romer Helme und Schutzausruestungen GmbH
Publication of EP0476591A2 publication Critical patent/EP0476591A2/fr
Publication of EP0476591A3 publication Critical patent/EP0476591A3/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Withdrawn legal-status Critical Current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
    • A42B3/32—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
    • 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
    • A42B3/24—Visors with means for avoiding fogging or misting
    • 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
    • A42B3/28—Ventilating arrangements

Definitions

  • the invention relates to a protective helmet and in particular a protective helmet for motorcyclists, as specified in the preamble of claim 1.
  • full-face helmets are known and are usually also referred to as "full-face helmets". With conventional full-face helmets, they are attached using a chin strap that comes out of the padding on the inside of the helmet. To open and close the helmet, the user must insert the chin strap end into an appropriate fastener. Since the motorcycle protective helmets should fit snugly for safety reasons, threading the chin strap fasteners is difficult. In addition, this type of helmet attachment with a chin strap is perceived as annoying because the strap exerts an uncomfortable feeling of pressure on the neck.
  • the object of the invention is accordingly to provide a protective helmet which is easier to open and remove than is the case with the previously known protective helmets.
  • the protective helmet should provide good ventilation and good air flow guidance, which avoids undesirable drafts inside the helmet, but still ensures adequate air supply even when driving slowly.
  • the chin guard is provided with rails which are displaceable in a guide fastened on the outside or the inside of the helmet shell.
  • the chin guard is pulled out to the front and this creates enough space to comfortably remove the helmet.
  • the chin guard is locked with the aid of two flaps arranged in the ear area of the helmet, which fix the rails of the chin guard in the closed position.
  • a Bowden cable is attached to the ends of the chin guard rails, which is guided via spring-operated coils, so that a train leading into the open position of the chin guard is exerted on the rails. This makes it easier to remove the helmet after opening the locking mechanism, which is particularly advantageous if assistants have to remove the helmet from a motorcyclist who has had an accident.
  • the chin strap is moved with the aid of a gear drive which is acted upon by a spiral spring.
  • the opening mechanism for the chin guard closure is preferably designed in two stages.
  • the closure flaps arranged in the ear area rest after opening a pushbutton in a first opening position in which the locking of the chin guard rails has not yet been released. Only when the actuation flaps are consciously pulled out, the rails are unlocked and the chin guard can be pulled forward.
  • Another embodiment of the invention offers a new ventilation system for such an integral helmet. It is envisaged that the visor next to a closed position, in which it completely closes the chin guard, has a latching position, so that a gap is released between the lower edge of the visor and the upper edge of the chin guard. This gap can be closed by a filter element that keeps dust particles or raindrops out, but is still permeable to air is. Such a configuration is particularly advantageous when the motorcycle rider is driving at a moderate speed, since in contrast to the known helmets, sufficient air flow through the helmet is then still possible so that the rider does not sweat.
  • a spoiler-like shape is also provided on the rear of the helmet, which forms a tear-off edge on its upper side.
  • the helmet shell is provided with air outlet holes in the area of this formation.
  • an integrated wind deflector is provided on the underside of the chin guard, which seals the lower front area of the chin guard.
  • the helmet according to the invention is shown in the closed state in FIG.
  • the flaps (7) are in their closed position, in which they pass smoothly into the chin guard and the other parts of the helmet shell surrounding them in order to avoid flow separation edges.
  • a spoiler-like shape (33) can be seen on the rear of the helmet, the rear end of which is designed as a tear-off edge (34).
  • FIG. 2 shows the helmet according to the invention in the opened state.
  • the flaps (7) are pivoted outwards so that the locking pin (8) attached to a flap (7) is disengaged from the locking hole (9) so that the chin guard (2) can be pulled out to the front. In this position the helmet can be easily removed from the head.
  • FIG. 3 is a representation corresponding to FIG. 2, in which it can be seen that the rails (5) of the chin guard are arranged on the inside of the helmet shell (1). At both ends of the chin guard there are wedge-shaped parts (22) which slide onto wedge-shaped parts (23) of the helmet shell when the chin guard is closed. The parts (22 and 23) each have a reinforced sliding surface. If the chin guard is pushed inwards, the wedge-shaped parts (22) of the chin guard are pressed inwards due to the wedge effect and guided under the jaw area of the user.
  • the chin guard is also designed on its front so that it engages under the chin area of the user in the closed state, the helmet sits firmly on the head of the user in the closed state without having to be strapped with a chin strap.
  • the arrows in FIG. 3 indicate the direction in which the flaps (7) are pivoted when they are opened. It can also be seen that the locking pin (8) is disengaged from the locking hole (9).
  • the rails (5) can be provided with two locking holes (9), so that in the open state the flaps (7) engage with the locking pin (8) in the locking hole (9) further back, with the result that the chin guard also in the open position of the helmet is secured against being pulled out completely.
  • FIG. 4 shows an alternative embodiment to FIG. 3, in which the rails (5) of the chin guard are guided on the outside of the helmet shell (1).
  • the rail (5) can have a rectangular cross section, for example, the guides (6) arranged on the outside of the helmet shell (1). a U-shaped cross section with inwardly angled legs.
  • FIG. 5 shows the Bowden cable system, which acts on the rear ends of the rails (5), in more detail.
  • the Bowden cable is attached to sliding blocks (15), which are located at the rear ends of the rails (5). From there it runs to a coil (11) around which it is laid with at least one turn. From this coil (11) it runs to the rear end of the other rail.
  • the coils (11) are rotatably attached to the helmet shell.
  • a coil spring (12) is arranged in the interior of the coils (11), which engage with a shoulder (13) in a groove (14) arranged on the periphery of the coil (11).
  • the coil spring exerts a torque on the spool (11) in such a direction that the rail (5) is pulled forward into the open position of the chin guard.
  • FIG. 7 shows the opening and closing mechanism with the flaps (7) in more detail.
  • the flap (7) is connected at its upper end to the outside of the helmet shell (1) via a spring (20).
  • the spring (20) is provided with a step section (21).
  • a wire bracket (17) is provided on the outside of the helmet shell at the lower end in the area of the flap as a receiving element for an arrow-shaped locking element (18) of the flap (7).
  • a button (16) is also articulated on the helmet shell and can be pivoted upwards.
  • the key (16) is provided with a wedge (40) so that when the key (16) is pushed up, the legs of the wire bracket (17) are bent apart so far that they release the undercuts of the arrow-shaped locking element (18) and the flap (7 ) can swing outwards.
  • the action of the spring (20) can be adjusted so that it always pulls the flap (7) towards the helmet shell.
  • the spring force but dimensioned so that in the closed position of the flap (7), the spring (20) exerts a slight pressure to the outside and in a pivoted position of the flap (7), in which the locking element (18) is straight after the key (16) has been actuated is disengaged from the wire bracket (17), reaches a dead center in which no force is exerted on the flap (7).
  • the flap (7) is provided at the lower end with a recess (19) so that it surrounds the key (16) in a form-fitting manner in its closed position.
  • the locking element (18) is preferably located on the helmet shell, and the wire bracket (17) and the button (16) are attached to the flap (7). In this case, the button (16) is extended outwards together with the flap (7) when opening, so that the user can easily reach behind the flap with his fingers and open it further to unlock it.
  • FIGS. 8 and 9 show a further embodiment of the invention with a different locking mechanism compared to FIGS. 1 and 2.
  • the rail (5) firmly connected to the chin guard is slidably mounted on a guide (45) shown in dashed lines in FIGS. 8 and 9.
  • a notch (57) is attached to the top of the rail (5).
  • a notch (55) of a lever (54) engages in this notch.
  • This lever (54) is pivotally mounted at its first, left end. This lever is preferably acted upon by a spring (49) so that it is held in the closed position.
  • An actuation button (60) is arranged on the underside of the helmet and is provided with a push rod (61) reaching to the second, free end of the lever (54). If the actuation button (60) is pushed up, so presses the push rod against the free end of the lever and lifts it against the action of the spring (49) so that the locking cam (55) is led out of the notch (57). The chin guard lock is now open and the chin guard (2) can be moved forward.
  • the rail (5) is preferably provided with a toothing (51) which engages in a toothed wheel (53). Instead of a toothing provided in the rail, a toothed rack can also be attached to the rail.
  • the gear wheel (53) is provided with a spiral spring (52). This coil spring can be biased in two directions. It is preferably biased so that after pressing the button (60) and opening the lock, the gear rotates counter-clockwise under the pretension of the spring in FIG. 9 and thus the rail and with it the chin guard () 2) to the left, i.e. in the opening direction.
  • the push rod (61) of the button (60) preferably has a bolt (62) at its upper end, which is mounted in an elongated hole guide (59) of the lever (54). This configuration ensures that the button (60) is always in engagement with the lever (54) via the push rod.
  • Figure 9 shows the helmet in the open state.
  • the button (60) is pushed up in the direction of the arrow (70).
  • the lever (54) is pivoted upward about its left, stored end.
  • the push button or the right, free end (59) of the lever (54) press near the bearing of the visor against its lower edge, so that it is lifted slightly upwards and releases the chin guard (2).
  • the chin guard is extended in the direction of arrow (72) under the action of the spiral spring (52) acting on the gearwheel.
  • This embodiment in which a toothed drive is used instead of the Bowden cables shown in the first exemplary embodiment for moving the chin guard, has one high mechanical stability and reliability.
  • the novel ventilation system of the helmet is shown in FIG.
  • the visor (3) which is provided with a cam disk on its swivel bearing and can therefore assume various locking positions, is in a stable position in which the lower edge of the visor is at a small distance from the upper edge (26) of the chin guard shell (27 ) is removed.
  • the gap is closed by a filter element (24), which is attached with its lower end to the upper edge of the chin guard shell and with its upper end to a wire bracket (28).
  • the wire bracket (28) is angled at its rear ends. It is inserted into guide holes (38) in the chin guard (2). By bending the bracket (28) can be given a certain spring action, so that in the position shown in Figure 10, the visor (3) and the bracket (8) lie against each other with a certain force, so that a sealing effect on the lower edge of the visor (3) is achieved.
  • the wire bracket can also be provided with a corresponding rubber lip or the like.
  • a wind deflector (36) through which the metal strip (30) passes can be arranged below the chin guard (2).
  • the filter element (24) is preferably placed on its upper side around the wire bracket (28), as can be seen from FIGS. 12 and 13.
  • the lower end of the filter element (24) is fastened, for example glued, to the inside of the chin guard shell (27).
  • the chin guard shell (27) is somewhat cranked at its upper end, see above that the visor (3) in its closed position overlaps the upper edge (26) of the chin guard shell (27) and the upper end of the filter element (24) surrounding the wire bracket (28) between the lower edge (29) of the visor and the upper edge (26) the chin guard shell.
  • the arrangement is such that the visor (3) in the closed position merges positively and streamlined into the chin guard shell (27).
  • Figure 13 shows the visor (3) in a slightly open position.
  • the bracket (28) is raised compared to FIG.
  • the filter element (24) preferably has a fine-mesh, lattice-like structure, but can also consist of another textile material such as GoreTex.
  • FIG. 14 shows another embodiment for a filter element. It consists of a frame (64) in which cross struts (68) are arranged. Fine cross wires (69) are in turn located on these cross struts (68).
  • the cross struts (68) and the grid wires located between them are only shown in part in FIG.
  • FIG. 15 there is a gap-shaped depression (66) in the chin guard (2), in which the filter element (24) is received in its rest position.
  • spring elements (65) are attached, which push the filter element upwards out of the depression (66) of the chin guard into the working position.
  • the reference numeral 70 denotes the center line.
  • the filter element is shown in the extended state in FIG. Its direction of movement is outlined by the two arrows.
  • the filter element is designed so that it can be locked in the chin guard when lowered. For this purpose, it has a projection on its front, as shown in FIG (71), which engages in a corresponding undercut in the wall of the gap (66). It is then brought out of this latching position by light pressure in the horizontal direction, so that it lifts up out of the recess (66) under the action of the spring (65).
  • a spoiler-like shape (33) is arranged on the rear of the helmet, the upper boundary of which forms a tear-off edge (34).
  • the back of this shape (33) has a different, larger radius of curvature than the helmet shell in the rest, and it is provided with ventilation openings (35) which lead to the inside of the helmet.
  • FIG. 18 schematically shows the course of the flow during fast travel. The air flowing past the helmet tears off at the edge (34) and swirls there, so that a vacuum is formed below the edge (34). Due to this negative pressure, the air is drawn out of the helmet interior in the direction of the arrows.
  • FIG. 19 shows a further embodiment of the invention, in which a wind deflector (36) is attached to the underside of the chin guard (2), as was already indicated in FIG. 8.
  • FIG. 19 also shows the metal band (30) with which the bracket of the filter element can be pulled down.
  • the metal band (30) is guided through a channel into the chin guard (2) and passes out of this channel through the wind deflector (36) and ends on the outside in a fastening device (32).
  • This device (32) is designed in such a way that the bracket (28) (see FIGS. 10, 12 and 13), depending on the wish of the helmet wearer, is drawn in downwards and enables the visor to be closed completely, or it projects upwards, as a result of which an air gap is formed between the visor and the chin guard.
  • the direction of movement of the metal strip (30) is indicated by the arrow in FIG.

Landscapes

  • Helmets And Other Head Coverings (AREA)
EP19910115760 1990-09-18 1991-09-17 Protective helmet Withdrawn EP0476591A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9013217U 1990-09-18
DE9013217U DE9013217U1 (de) 1990-09-18 1990-09-18 Schutzhelm

Publications (2)

Publication Number Publication Date
EP0476591A2 true EP0476591A2 (fr) 1992-03-25
EP0476591A3 EP0476591A3 (en) 1992-11-19

Family

ID=6857612

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910115760 Withdrawn EP0476591A3 (en) 1990-09-18 1991-09-17 Protective helmet

Country Status (2)

Country Link
EP (1) EP0476591A3 (fr)
DE (1) DE9013217U1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2706257A1 (fr) * 1993-06-10 1994-12-23 Gallet Sa Casque de protection.
KR20000076911A (ko) * 2000-03-18 2000-12-26 박수안 턱부를 개폐가능하게 한 풀 훼이스 헬멧
ES2212696A1 (es) * 2001-09-21 2004-07-16 Marketing Active Sport Makets S.L. Mecanismo de retencion para mentoneras de cascos.
ITMI20100510A1 (it) * 2010-03-26 2011-09-27 Locatelli S P A Casco di sicurezza con mentoniera rimovibile
KR101106172B1 (ko) * 2009-02-03 2012-01-20 동아대학교 산학협력단 미닫이식 턱 보호대를 구비한 헬멧
US20170318893A1 (en) * 2016-05-05 2017-11-09 Fox Head, Inc. In-molded helmet chinbar
BE1025114B1 (nl) * 2017-04-04 2018-10-31 Jack Berben Besloten Vennootschap Met Beperkte Aansprakelijkheid Motorhelm
WO2019169354A1 (fr) * 2018-03-02 2019-09-06 100% Speedlab, Llc Systèmes et procédés de fixation de mentonnière
DE102018004871B3 (de) * 2018-06-19 2019-10-31 Michael Wagner Mehrteiliger Schutzhelm

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5097538A (en) * 1990-06-11 1992-03-24 Feuling Engineering, Inc. Helmet
US5361419A (en) * 1991-09-12 1994-11-08 Protector Development Helmet with sound ducts
US5632048A (en) * 1995-09-20 1997-05-27 Protector Development Protector hearing helmet
FR2744341B1 (fr) * 1996-02-02 1998-04-24 Muzel Frederic Dispositif pour caler un casque sur un support horizontal
DE102007010169A1 (de) * 2007-02-28 2008-09-04 Andreas Rath Windabweiser für offene Schutzhelme
CN117158677B (zh) * 2023-11-02 2024-01-26 江苏可天士智能科技有限公司 一种智能防护头盔内嵌防护结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2853260A1 (de) * 1978-12-09 1980-06-12 Gerhard Roettig Sturzhelm
GB2087712A (en) * 1980-11-19 1982-06-03 Patents Eng Srl Protective helmet for the head with locking means
FR2525441A1 (fr) * 1982-04-26 1983-10-28 Hoffmann Hanspeter Casque de protection avec collier de fixation
EP0097285A2 (fr) * 1982-06-17 1984-01-04 M.P.A. MECCANICA PLASTICA AGORDINA S.p.A. Casque de protection de construction unitaire
US4689836A (en) * 1985-11-05 1987-09-01 Vitaloni Group S.P.A. Headgear for motorcycling and similar activities, with a movable visor and chin guard

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2853260A1 (de) * 1978-12-09 1980-06-12 Gerhard Roettig Sturzhelm
GB2087712A (en) * 1980-11-19 1982-06-03 Patents Eng Srl Protective helmet for the head with locking means
FR2525441A1 (fr) * 1982-04-26 1983-10-28 Hoffmann Hanspeter Casque de protection avec collier de fixation
EP0097285A2 (fr) * 1982-06-17 1984-01-04 M.P.A. MECCANICA PLASTICA AGORDINA S.p.A. Casque de protection de construction unitaire
US4689836A (en) * 1985-11-05 1987-09-01 Vitaloni Group S.P.A. Headgear for motorcycling and similar activities, with a movable visor and chin guard

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2706257A1 (fr) * 1993-06-10 1994-12-23 Gallet Sa Casque de protection.
KR20000076911A (ko) * 2000-03-18 2000-12-26 박수안 턱부를 개폐가능하게 한 풀 훼이스 헬멧
ES2212696A1 (es) * 2001-09-21 2004-07-16 Marketing Active Sport Makets S.L. Mecanismo de retencion para mentoneras de cascos.
KR101106172B1 (ko) * 2009-02-03 2012-01-20 동아대학교 산학협력단 미닫이식 턱 보호대를 구비한 헬멧
ITMI20100510A1 (it) * 2010-03-26 2011-09-27 Locatelli S P A Casco di sicurezza con mentoniera rimovibile
EP3954243A1 (fr) * 2016-05-05 2022-02-16 Fox Head, Inc. Mentonnière de casque moulée
WO2017192218A1 (fr) * 2016-05-05 2017-11-09 Fox Head, Inc. Mentonnière de casque moulée
US11026467B2 (en) 2016-05-05 2021-06-08 Fox Head, Inc. In-molded helmet chinbar
US20170318893A1 (en) * 2016-05-05 2017-11-09 Fox Head, Inc. In-molded helmet chinbar
US11510452B2 (en) * 2016-05-05 2022-11-29 Fox Head, Inc. In-molded helmet chinbar
US11812815B2 (en) 2016-05-05 2023-11-14 Fox Head, Inc. In-molded helmet chinbar
US20230404202A1 (en) * 2016-05-05 2023-12-21 Fox Head, Inc. In-molded helmet chinbar
BE1025114B1 (nl) * 2017-04-04 2018-10-31 Jack Berben Besloten Vennootschap Met Beperkte Aansprakelijkheid Motorhelm
WO2019169354A1 (fr) * 2018-03-02 2019-09-06 100% Speedlab, Llc Systèmes et procédés de fixation de mentonnière
CN112135541A (zh) * 2018-03-02 2020-12-25 百分百斯皮德莱布有限责任公司 护颏罩附接系统和方法
US11337482B2 (en) 2018-03-02 2022-05-24 100% Speedlab, Llc Chinbar attachment systems and methods
CN112135541B (zh) * 2018-03-02 2023-06-20 百分百斯皮德莱布有限责任公司 护颏罩附接系统和方法
DE102018004871B3 (de) * 2018-06-19 2019-10-31 Michael Wagner Mehrteiliger Schutzhelm

Also Published As

Publication number Publication date
DE9013217U1 (de) 1990-12-06
EP0476591A3 (en) 1992-11-19

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