EP0569302A1 - Befestigungsschnalle für den Kinnriemen eines Schutzhelms - Google Patents

Befestigungsschnalle für den Kinnriemen eines Schutzhelms Download PDF

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Publication number
EP0569302A1
EP0569302A1 EP93420161A EP93420161A EP0569302A1 EP 0569302 A1 EP0569302 A1 EP 0569302A1 EP 93420161 A EP93420161 A EP 93420161A EP 93420161 A EP93420161 A EP 93420161A EP 0569302 A1 EP0569302 A1 EP 0569302A1
Authority
EP
European Patent Office
Prior art keywords
tongue
compartment
strap
slot
loop according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93420161A
Other languages
English (en)
French (fr)
Other versions
EP0569302B1 (de
Inventor
Jean Marc Hede
Alain Maurice
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.)
Zedel SAS
Original Assignee
Zedel SAS
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 Zedel SAS filed Critical Zedel SAS
Publication of EP0569302A1 publication Critical patent/EP0569302A1/de
Application granted granted Critical
Publication of EP0569302B1 publication Critical patent/EP0569302B1/de
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
    • A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
    • A44B11/26—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts with push-button fastenings
    • A44B11/263—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts with push-button fastenings with a push-button acting perpendicularly to the main plane of the buckle
    • 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
    • Y10T24/4088—One-piece
    • Y10T24/4093—Looped strap
    • 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.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45471—Projection having movable connection between components thereof or variable configuration
    • Y10T24/45524—Projection having movable connection between components thereof or variable configuration including resiliently biased projection component or surface segment
    • Y10T24/45529—Requiring manual force applied against bias to interlock or disengage
    • Y10T24/45534—Requiring manual force applied against bias to interlock or disengage having connected leading edge and separated trailing arms
    • 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.
    • Y10T24/47—Strap-end-attaching devices
    • Y10T24/4736—Buckle connected

Definitions

  • the invention relates to a fixing loop, in particular for a chin strap of a safety helmet, comprising a male latching means intended to fit into a female retaining means to form a mechanical connection with positive locking.
  • the document FR-A 2665 340 describes a chin strap loop, in which the female element has a general V shape comprising a triangular middle part, and two end parts. Each end part has grooves for hooking a strand of strap. The middle part is equipped with a recess cooperating with the button for retaining the male element.
  • Such a V-shaped loop structure imposes significant bulk, and requires the use of three strands of strap, each strand being adjustable in length.
  • the unlocking of the mechanical snap-on connection of the two male and female elements is compulsory by means of the two hands of the user, which can be troublesome in certain situations.
  • a first object of the invention consists in producing a fixing loop for chinstrap with reduced bulk, and for simplified use for the locking and unlocking operations.
  • a second object of the invention consists in making a chin strap loop using two strands of strap.
  • the loop according to the invention is characterized in that the female retaining means is arranged in a hollow button subdivided by an internal partition dividing into a first and a second stepped compartments, that the male latching means comprises a tab with lug of lock capable of being inserted into the first compartment through a first passage slot, and that the second compartment is equipped with V-shaped interlacing means of a strap passing through a second slot, said first and second slots being parallel and separate from each other by the partition.
  • the second compartment is divided into two adjacent elementary chambers by a wall inclined relative to the median plane of symmetry, said wall being substantially perpendicular to the partition separating the two staged compartments, and extending from one end of the second slot up to a spacer for separating a third and a fourth slots respectively in communication with the first and second chambers.
  • the tongue locking lug is elastic and has a catch notch cooperating with a fixed stop of the hollow button when the lug moves towards the active position in the orifice of the second surface when the tongue reaches the end. insertion stroke in the first compartment.
  • the buckle is unlocked by a manual pushing action on the lug to move it against the elastic force to an inactive position so as to free the notch from the locking effect of the stop.
  • the unlocking action is thus carried out by means of one hand.
  • a fastening loop 10 used in particular for a chin strap of a safety helmet, comprises a latching means 12 male intended to fit together through a first slot 14 for passage in a retaining means 16 female to form a positive locking mechanical connection.
  • the male latching means 12 comprises a substantially flat tongue 18 having a rounded front edge 20 delimited by two opposite edges 22, 24 extending parallel to the longitudinal interlocking direction indicated by the arrow F (FIG. 3).
  • a U-shaped groove 26 is cut in the tongue 18 so as to constitute an elastic locking lug 28 mounted with limited pivoting around a fictitious transverse axis 30 and perpendicular to the longitudinal interlocking direction F.
  • the free end of the lug 28 is provided with a hooking notch 32, and the elasticity effect urges the lug 28 projecting from the upper surface of the tongue 18.
  • the tongue 18 of the male latching means 12 is secured opposite the edge 20, to a gripping base 34 provided with two grooves 36, 38 parallel to the imaginary axis 30 and spaced by a crosspiece 40, allowing passage intersecting and adjusting the length of a first strap 42 of the chin strap ( Figure 10).
  • the female retaining means 16 is arranged in a hollow button of semi-circular shape, having a flat bottom 44, and a first front surface 46 substantially rectilinear and perpendicular to the bottom 44.
  • a second upper surface 48 of the button is slightly rounded and has a orifice 50 of shape combined with that of the locking pin 28.
  • the edge 52 of the orifice 50, located in the vicinity of the front surface 46, is provided with a stop 54 capable of cooperating with the catch 32 for hooking the lug 28 in the locked position of the two elements 12, 16 of loop 10 (see Figure 2).
  • the internal space of the hollow button is divided by a partition 56 intermediate in a first and a second compartments 58, 60 stepped.
  • the partition 56 of separation extends horizontally in a direction parallel to the bottom 44 to the front surface 46 to delimit the first slot 14 for access to the upper compartment 58, and a second slot 62 associated with the lower compartment 60, the latter being arranged between the bottom 44 and the partition 56.
  • the two slots 14, 62 are parallel and superimposed in the height direction.
  • the bottom 44 is connected to the second upper curved surface 48 of the button by a third semi-cylindrical lateral surface 64 equipped with a third and a fourth slots 66, 68 coplanar with the second slot 62.
  • the lower compartment 60 of the retaining means 16 is itself subdivided by a vertical wall 70 into two adjacent chambers 72, 74 authorizing the V-intersection of a second strap 76 or chin strap (Figure 10).
  • the wall 70 is inclined at an acute angle A relative to the median plane of symmetry, extending continuously from the right end of the second slot 62 to a spacer 78 for separating the third and fourth slots 66, 68 ( Figure 7).
  • the bottom 44 is pierced by a fifth slot 80 for access to the chamber 74, said slot 80 extending in the vicinity of the wall 70 and along the same inclined direction.
  • the wall 82 of the bottom 44 delimiting the second slot 62 for access to the chamber 72 is slightly recessed with respect to the partition 56.
  • the two latching and retaining means 12, 16 are produced by molding a plastic material having high mechanical strength.
  • the gripping base 34 of the latching means 12 comprises a lower shoulder 84 and an upper stop 86 capable of coming into engagement against the first front surface 46 at the end of the insertion stroke of the latching means 12 male in the means 16 female retainer.
  • the thickness of the three slots 62, 66, 68 of the lower compartment 60 is slightly greater than that of the strap 76.
  • the female retaining means 16 is connected to one of the sides of the helmet (not shown) by the two strands of the second strap 76.
  • the latter is previously placed in the two chambers 72, 74 of the lower compartment 60 of the button hollow.
  • the end of the strap 76 is first introduced from the rear into the chamber 72 through the third slot 66 (according to the arrow 6 indicated in FIG. 3), then comes out at the front through the second slot 62, followed by total folding 180 degrees under the outer face of the bottom 44.
  • the strap 76 is then reintroduced into the adjacent chamber 74 through the fifth slot 80 from the bottom 44, then out of said chamber 74 through the fourth slot 68 (see FIG. 11).
  • the entry and exit of the second strap 76 take place on the side of the third lateral surface 64, and the shape of the V is ensured by multidirectional folding of the strap inside the hollow button.
  • the first strap 42 is also placed in the two grooves 36, 38 of the base 34 for gripping the male latching means 12.
  • the adjustment of the useful length of the strap 42 can be adjusted according to the morphology of the user.
  • the closure of the loop 10 is obtained by the insertion according to arrow F (FIG. 3) of the tongue 18 of the male latching means 12 in the upper compartment 58 of the female retaining means 16.
  • the height of the upper compartment 58 is slightly greater than the thickness of the tongue 18, and the latter has a shape combined with the longitudinal section of the compartment 58.
  • the catch 32 for hooking the lug 28 comes into contact with the stop 54 of the edge 52, preventing any withdrawal of the male latching means 12, which is locked inside the upper compartment 58.
  • the interval separating the wall 82 from the shoulder 84 in the locked position of the buckle 10 allows the passage of the strap 76 at the second slot 62.
  • the unlocking of the loop 10 is operated by a manual pushing action on the lug 28 (see arrow F2 in FIG. 2), which is moved against the elastic force towards the inactive position, releasing the notch 32 from the 'locking effect of the stop 54.
  • the tongue 18 can then be removed from the upper compartment 58 to ensure the physical separation of the two means 12, 16 from the fixing loop 10.
  • the mechanical connection by snap-fastening of the two means 12, 16 of the loop 10, and the V-intersection of the second strap 76 take place in two separate compartments 58, 60 stepped inside the hollow button of the retaining means 16 female.
  • the fastening loop 10 of the chin strap therefore has a reduced bulk and improves the comfort and use of the user.

Landscapes

  • Helmets And Other Head Coverings (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Emergency Lowering Means (AREA)
  • Buckles (AREA)
EP93420161A 1992-05-04 1993-04-15 Befestigungsschnalle für den Kinnriemen eines Schutzhelms Expired - Lifetime EP0569302B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9205554 1992-05-04
FR929205554A FR2690608B1 (fr) 1992-05-04 1992-05-04 Boucle de fixation pour une jugulaire d'un casque de securite.

Publications (2)

Publication Number Publication Date
EP0569302A1 true EP0569302A1 (de) 1993-11-10
EP0569302B1 EP0569302B1 (de) 1996-09-25

Family

ID=9429569

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93420161A Expired - Lifetime EP0569302B1 (de) 1992-05-04 1993-04-15 Befestigungsschnalle für den Kinnriemen eines Schutzhelms

Country Status (6)

Country Link
US (1) US5398390A (de)
EP (1) EP0569302B1 (de)
JP (1) JP3414789B2 (de)
DE (1) DE69304985T2 (de)
ES (1) ES2094510T3 (de)
FR (1) FR2690608B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103040181A (zh) * 2013-01-08 2013-04-17 浙江耐特科技有限公司 多功能安全帽

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5774956A (en) * 1997-01-24 1998-07-07 Michaels Of Oregon Co. High-security buckle
GB9805487D0 (en) * 1998-03-17 1998-05-13 Ici Plc Plastic material
US6662413B2 (en) * 2002-05-02 2003-12-16 Cosco Management, Inc. Harness retainer with limited-travel button
US8353066B2 (en) 2006-02-04 2013-01-15 Artisent, Llc Easily adjusted retention system for helmets
US7600268B2 (en) * 2006-02-04 2009-10-13 Artisent, Inc. Helmet retention system with improved stability
KR101006569B1 (ko) * 2009-02-24 2011-01-07 주식회사 에스탑 안전모용 내피 고정홀더
DE102011054945B4 (de) * 2011-10-31 2013-06-13 Anton Pfanner Gurtverschluss und damit ausgerüsteter Kinnriemen eines Schutzhelms
US9433259B2 (en) * 2013-10-24 2016-09-06 Bell Sports, Inc. Self-actuating webbing adjuster and helmet strap system including same
KR101437643B1 (ko) * 2013-10-31 2014-09-04 주식회사 산청 헬멧
USD810362S1 (en) 2015-03-24 2018-02-13 Gentex Corporation Helmet retention system
US10188177B2 (en) * 2015-08-17 2019-01-29 Bell Sports, Inc. Friction stop strap adjustor
USD999673S1 (en) * 2019-02-15 2023-09-26 Zedel Buckle
PT115577B (pt) * 2019-06-14 2021-11-25 Kaiola Design Unipessoal Lda Chapéu que tem membros de tira de queixo
CN113546343A (zh) * 2021-08-24 2021-10-26 泰克曼(南京)电子有限公司 防护设备及其便携式电动过滤送风机组件

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE306441B (de) * 1967-09-20 1968-11-25 Bengtsson Sigurd W
WO1989001744A1 (en) * 1987-08-28 1989-03-09 Bil Ab Atlas Headgear and method to produce the headgear.
DE8816545U1 (de) * 1988-10-05 1989-12-07 Cullmann Handelsgesellschaft für Verbrauchsgüter mbH, 8506 Langenzenn Verbindungseinrichtung für Gurte bzw. Riemen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4282634A (en) * 1979-12-21 1981-08-11 Jack Krauss Buckle
US4901373A (en) * 1988-03-07 1990-02-20 Bell Helmets, Inc. Helmet retention system with adjustable buckle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE306441B (de) * 1967-09-20 1968-11-25 Bengtsson Sigurd W
WO1989001744A1 (en) * 1987-08-28 1989-03-09 Bil Ab Atlas Headgear and method to produce the headgear.
DE8816545U1 (de) * 1988-10-05 1989-12-07 Cullmann Handelsgesellschaft für Verbrauchsgüter mbH, 8506 Langenzenn Verbindungseinrichtung für Gurte bzw. Riemen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103040181A (zh) * 2013-01-08 2013-04-17 浙江耐特科技有限公司 多功能安全帽
CN103040181B (zh) * 2013-01-08 2015-08-19 浙江耐特科技有限公司 多功能安全帽

Also Published As

Publication number Publication date
EP0569302B1 (de) 1996-09-25
DE69304985T2 (de) 1997-03-13
JP3414789B2 (ja) 2003-06-09
FR2690608A1 (fr) 1993-11-05
US5398390A (en) 1995-03-21
DE69304985D1 (de) 1996-10-31
ES2094510T3 (es) 1997-01-16
FR2690608B1 (fr) 1994-07-29
JPH06294007A (ja) 1994-10-21

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