EP0218517B1 - Schloss, insbesondere für Sicherheitsgurte in Kraftfahrzeugen - Google Patents
Schloss, insbesondere für Sicherheitsgurte in Kraftfahrzeugen Download PDFInfo
- Publication number
- EP0218517B1 EP0218517B1 EP86402076A EP86402076A EP0218517B1 EP 0218517 B1 EP0218517 B1 EP 0218517B1 EP 86402076 A EP86402076 A EP 86402076A EP 86402076 A EP86402076 A EP 86402076A EP 0218517 B1 EP0218517 B1 EP 0218517B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking member
- bolt
- buckle according
- locking
- tongue
- 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
Links
Images
Classifications
-
- 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
- A44B11/2503—Safety buckles
- A44B11/2507—Safety buckles actuated by a push-button
- A44B11/2511—Safety buckles actuated by a push-button acting perpendicularly to the main plane of the buckle, e.g. placed on the front face 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.
- Y10T24/45—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
- Y10T24/45602—Receiving member includes either movable connection between interlocking components or variable configuration cavity
- Y10T24/45623—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor
- Y10T24/4566—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including slidably connected and guided element on receiving member
- Y10T24/45665—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including slidably connected and guided element on receiving member for shifting pivotally connected interlocking component
-
- 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
- Y10T24/45602—Receiving member includes either movable connection between interlocking components or variable configuration cavity
- Y10T24/45717—Receiving member includes either movable connection between interlocking components or variable configuration cavity having cavity with side walls and axially biased component capping end
Definitions
- the present invention relates to devices intended to retain a passenger in a motor vehicle in his seat in the event of sudden deceleration thereof, for example during emergency braking or a collision.
- the invention relates to a loop which, in a device of the type indicated, is intended to removably fix a strand of a safety strap to a fixed point on the vehicle body, for example by means of '' a tab forming a bolt bolt.
- loops comprising a housing in which is placed a bracket in the form of a stirrup which is intended to be fixed to a retaining means fixed relative to the body of the vehicle and which defines between its wings, a guide corridor for the bolt opening at one end of this stirrup.
- These loops further comprise a locking member mounted oscillating in the stirrup around an axis which is perpendicular to the wings of this stirrup as well as a stop member mounted sliding in these wings and erasable by means of a button. control, against the action of an elastic return device.
- the bolt is retained in the loop by a projecting part of the locking member which prevents the withdrawal of the bolt from the locking passage, for example by entering an opening in the bolt.
- this projecting part comes to cooperate with a stop edge formed in the bottom of the support stirrup, possibly by elastic deformation of the axis of oscillation of the locking member in the stirrup, which makes it possible to obtain a high efficiency of the buckle and a considerable retaining force of the bolt.
- a buckle for a seat belt comprising a support intended to be fixed to a retaining means and defining a rectilinear passage into which the bolt can be introduced and which defines a point of sliding for this one.
- the bolt locking member is articulated on the support around an axis which extends parallel to the plane of the passage.
- This locking member may have a first abutment surface retaining the bolt and extending perpendicular to the plane of the passage, being transverse with respect thereto, in the locked position of the loop while the locking member may also have at least a second abutment surface which is intended, in the locked position of the loop, to come into contact with a stop member mounted movable in translation on the support, in a direction perpendicular to the axis of articulation of the locking member. The movement of this stop member releases the locking member and therefore the pin when opening the loop which is controlled by an operating button mounted on the support so as to be able to move in the same direction as the stop device.
- the stop member is formed by a one-piece body having means for guiding and holding the springs extending on either side of this body in opposite directions perpendicular to the axis of articulation of the member. lock.
- the object of the invention is therefore to provide a seat belt buckle whose construction is simple and easy assembly, by reducing the number of members involved in the constitution of such a buckle.
- Another object of the invention is to provide a seat belt buckle which is smaller and lighter than the buckles of the prior art and the manufacture of which can be undertaken without respecting tight tolerances.
- the subject of the invention is a buckle, in particular a seat belt for a motor vehicle, intended to removably fix a strand thereof to a fixed point on the vehicle body, comprising a set of keepers and a bolt secured to the strand to be fixed,
- the strike assembly comprising, housed in a housing, a body intended to be fixed to a retaining means secured to the vehicle and which delimits a passage and a sliding plane for said bolt, a member locking bolt comprising an active part which engages in a recess of the bolt in the locking position of the latter and articulated on the body so as to be able to tilt about an axis approximately parallel to the sliding plane and perpendicular in the direction of movement of the bolt, between a locking position and an unlocking position of said bolt, means urging the locking member towards its locking position, means for ejecting the bolt, means urging the locking member towards its unlocking position and control means for unlocking said locking member, characterized in that said means urging the locking member towards its locking position and
- a seat belt buckle As shown in FIG. 1, a seat belt buckle according to the invention comprises a housing 1 constituted in a manner known per se, of an upper element 2 and of a lower element 3. Inside this housing 1 is arranged a set of keeper having a body 4 of general U-shaped section. A locking member 5, in the form of a metal blade and which will be described in more detail below, is housed inside this body 4 An unlocking control member 6 is mounted movable in a manner known per se between the body 4 and the upper element 2 of the housing.
- the upper element 2 of the housing 1 has a slot 7 into which opens one end of the unlocking control member 6 so that the user of the seat belt buckle has access to this member 6 to control the unlocking of the loop.
- the housing 1 also includes a first opening 8 whose walls are inclined, opening into the body 4, which defines a passage and a sliding plane for a bolt secured to a strand to be attached to the seat belt.
- the housing 1 also includes a second opening 9 formed in the end of the housing, opposite the end in which the opening 8 is made.
- This opening 8 is formed facing one end of the body 4 and is intended, for example, to allow the passage of a retaining means (not shown), one end of which is fixed to the vehicle and the other end of which is fixed to the body 4 by means, for example, of a recess 4a formed therein, so as to make the body 4 integral with the vehicle.
- a part of the body 4 can protrude outside the housing 1 through the opening 9, so as to allow the assembly of an assembled buckle , on a vehicle.
- This construction of the loop makes it possible to obtain greater versatility thereof.
- the locking member 5 has at one of its ends an active part 10 constituted for example by a double thickness projection of the material constituting this member. At its end opposite to this active part, the locking member 5 has an actuating surface 11 intended to cooperate with a cam surface 12 of the unlocking control member 6.
- the locking member 5 also includes a tongue 13 extending towards the body 4 and having a slot 14 whose function will be defined later. This tongue projects into a slot 15 formed in the body 4 as will be described in more detail below.
- This tongue 13 extends between two turns of a spring 16, one of the ends of which is disposed on a centering pin 17 secured to the body 4 and the other end of which is in abutment against a first edge of the slot 15 in unlocked position of the buckle.
- the slot 14 of the tongue 13 of the locking member allows the passage of the wire constituting the spring 16 so that the tongue has first and second support surfaces cooperating with the respective parts of the spring arranged on either side. another of this tab.
- the guiding of one of the spring parts is ensured by the lumen 15 and at least one guide tab 18 extending above the latter.
- the tongue 13 of the locking member 5 has protruding parts, which will be described in more detail below, extending on either side of this tongue and defining an axis of articulation 19 of this locking member on the body, this axis of articulation being approximately parallel to the sliding plane and perpendicular to the direction of movement of the bolt in the body. This articulation allows the locking member to switch between a locking position and an unlocking position.
- the first and second parts of the spring act in a direction approximately parallel to the sliding plane of the bolt.
- the tongue 13 is not disposed in the middle of the spring 16, so that the number of turns of the first part of it is greater than that of the second.
- the force of the first part is greater than that of the second and the equilibrium position, shown in this FIG. 1, is obtained by the fact that the distance separating the tongue 13 from the first edge of the slot 15 is greater than that separating this same tongue 13 from the centering pin 17.
- Fig. 2 which represents a seat belt buckle according to the invention
- Fig. 2 which represents a seat belt buckle according to the invention
- the front face 24 of the latter comes to bear against the end of the first part 20 of the spring 16 which was in abutment against the first edge of the slot 15.
- This has the effect of upsetting the balance of forces which were exerted on the tongue 13 of the locking member 5.
- the force exerted by the part 20 of the spring becomes greater than that exerted by the part 21, so that the locking member rocks around its axis of articulation until the active part 10 comes to bear on the upper surface of the bolt 22.
- the part 20 of spring compresses more and more, so that when the recess 23 of the bolt comes opposite the active part 10 of the member locking 5, this switches to the locking position shown Entered in this figure, in which the active part 10 cooperates with the edge of the light 15 which therefore constitutes a stop edge, and with a edge of the recess 23 of the bolt 22 to retain the latter in the loop.
- the force exerted by the part 20 of the spring 16 is greater than that exerted by the part 21 so that the locking member is kept in the locking position.
- the first part 20 of the spring 16 one of the ends of which is intended to cooperate with the bolt during its introduction or of its ejection from the loop and the other end of which bears against a first surface of support of the locking member, constitutes first elastic means which urge the locking member towards its locking position during the introduction of the bolt into the loop and which eject it from the loop when an action is exerted on the unlocking control member.
- the second part 21 of the spring one end of which bears against the body 4 and the other end of which bears against a second bearing surface of the locking member, constitutes, for its part, second elastic means urging the locking member 5 towards its unlocking position, following actuation of the unlocking control member.
- the first and second bearing surfaces of the locking member are arranged one opposite the other on either side of the tongue 13 thereof.
- Fig. 5 there is shown an embodiment of a body 4 forming part of a seat belt buckle according to the invention.
- this body 4 has a passage for the end of the bolt, this passage being delimited by two flanges, only one of which, 25, is shown, formed in the two branches of the U constituting said body .
- This body 4 comprises in its central part, the lumen 15 having two flanges, 26 and 27, for guiding the spring 16, and more particularly of the first part 20 thereof.
- the body 4 also has at least one guide tab 18 advantageously made integrally with one of its wings, and extending at least partly above this part 20 of the spring 16 to guide it, the first part 20 of the spring being disposed between the flanges 26 and 27 of the slot 15 and said at least one guide tab.
- the wings of the body 4 also include housings of which only one, 29, is shown, these housings being open in their upper part to allow the mounting of the locking member and comprising fins 30 which can be folded down after mounting of this member. locking, to retain the projecting parts thereof, in these housings.
- One of the ends of the spring 16 is arranged as seen on the centering pin 17 while its other end bears against a first flange 31 of the slot 15.
- the locking member 5, shown in FIG. 6, comprises at one of its ends the active part 10 constituted for example by a double thickness projection of the material constituting this locking member.
- the locking member comprises the actuating surface 11 which may advantageously consist of a cut-out part of the tongue 13.
- On either side of this tongue 13, extend two protruding parts 32 and 33 defining the axis of articulation 19 of the 'locking member on the body and engaging in the housings, 29, thereof so as to allow the tilting of the locking member relative to said body.
- the tongue 13 also has the slot 14 through which the wire constituting the spring 16 passes.
- the projecting parts 32 and 33 of the locking member 5 are disposed in the corresponding housings of the wings of the body 4.
- the part 20 of the spring is disposed between the flanges 26 and 27 of the slot 15 of the body 4 and by example two guide tabs 18 and 35 integrally formed with this body 4.
- the spring 16 is thus retained at four points.
Landscapes
- Automotive Seat Belt Assembly (AREA)
- Buckles (AREA)
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8514290A FR2587598B1 (fr) | 1985-09-26 | 1985-09-26 | Boucle, notamment de ceinture de securite pour vehicule automobile |
FR8514290 | 1985-09-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0218517A1 EP0218517A1 (de) | 1987-04-15 |
EP0218517B1 true EP0218517B1 (de) | 1989-04-05 |
Family
ID=9323271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86402076A Expired EP0218517B1 (de) | 1985-09-26 | 1986-09-22 | Schloss, insbesondere für Sicherheitsgurte in Kraftfahrzeugen |
Country Status (6)
Country | Link |
---|---|
US (1) | US4736497A (de) |
EP (1) | EP0218517B1 (de) |
JP (1) | JPS62106704A (de) |
DE (1) | DE3662634D1 (de) |
ES (1) | ES2005830A6 (de) |
FR (1) | FR2587598B1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4955115A (en) * | 1988-07-11 | 1990-09-11 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Buckle device |
US5784767A (en) * | 1997-02-24 | 1998-07-28 | Doty, Jr.; Archibald C. | Self-aligning seat belt buckle |
JP4539961B2 (ja) * | 2004-05-18 | 2010-09-08 | タカタ株式会社 | バックルおよびこれを用いたシートベルト装置 |
US20130320632A1 (en) * | 2012-06-05 | 2013-12-05 | Robert Bosch Gmbh | Quick Change Assembly And Manufacturing Thereof |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3270388A (en) * | 1965-06-22 | 1966-09-06 | Alnwick Invest Ltd | Buckle for a safety belt |
US3605209A (en) * | 1970-02-24 | 1971-09-20 | Gateway Industries | Safety belt buckle |
FR2379995A2 (fr) * | 1976-04-28 | 1978-09-08 | Peugeot Aciers Et Outillage | Boucle pour sangle de securite |
SE7812170L (sv) * | 1977-12-07 | 1979-06-08 | Klippan Nv | Belteslas med lett frigorbar sperr |
DE2949923A1 (de) * | 1979-12-12 | 1981-06-19 | Kolb Gmbh & Co, 8065 Erdweg | Verschlussschnalle fuer sicherheitsgurte |
FR2482430B1 (de) * | 1980-05-14 | 1983-12-23 | Peugeot Aciers Et Outillage | |
DE3021796C2 (de) * | 1980-06-11 | 1985-03-28 | Repa Feinstanzwerk Gmbh, 7071 Alfdorf | Sicherheitsgurtverschluß |
SE447535B (sv) * | 1980-06-16 | 1986-11-24 | Stil Ind Ab | Spenne for sekerhetsbelten med en lasbar kopplingsdel och en lasande kopplingsdel |
ATE23274T1 (de) * | 1982-05-06 | 1986-11-15 | Ase Uk Ltd | Schnalle fuer ein sicherheitsgeschirr. |
US4543693A (en) * | 1982-07-02 | 1985-10-01 | Britax (Wingard) Limited | Safety belt buckles |
SE451231B (sv) * | 1982-12-23 | 1987-09-21 | Autoliv Dev | Lasanordning for sekerhetsselar i fordon |
-
1985
- 1985-09-26 FR FR8514290A patent/FR2587598B1/fr not_active Expired
-
1986
- 1986-09-22 DE DE8686402076T patent/DE3662634D1/de not_active Expired
- 1986-09-22 EP EP86402076A patent/EP0218517B1/de not_active Expired
- 1986-09-25 ES ES8602447A patent/ES2005830A6/es not_active Expired
- 1986-09-26 US US06/911,938 patent/US4736497A/en not_active Expired - Fee Related
- 1986-09-26 JP JP61227887A patent/JPS62106704A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2587598B1 (fr) | 1989-03-17 |
US4736497A (en) | 1988-04-12 |
DE3662634D1 (en) | 1989-05-11 |
JPS62106704A (ja) | 1987-05-18 |
ES2005830A6 (es) | 1989-04-01 |
FR2587598A1 (fr) | 1987-03-27 |
EP0218517A1 (de) | 1987-04-15 |
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