US20150181985A1 - Seat belt buckle, in particular for racing vehicles - Google Patents

Seat belt buckle, in particular for racing vehicles Download PDF

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Publication number
US20150181985A1
US20150181985A1 US14/408,287 US201314408287A US2015181985A1 US 20150181985 A1 US20150181985 A1 US 20150181985A1 US 201314408287 A US201314408287 A US 201314408287A US 2015181985 A1 US2015181985 A1 US 2015181985A1
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US
United States
Prior art keywords
casing
buckle
lever
axis
seat belt
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.)
Abandoned
Application number
US14/408,287
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English (en)
Inventor
Erdt Norbert
Alberto Caccavo
Lorenzo Vico
Raffaello Cornolti
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.)
Sabelt SpA
Original Assignee
Sabelt SpA
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 Sabelt SpA filed Critical Sabelt SpA
Publication of US20150181985A1 publication Critical patent/US20150181985A1/en
Abandoned legal-status Critical Current

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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
    • A44B11/2542—Safety buckles actuated by a rotatable element, e.g. combined with other actuating means
    • 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
    • Y10T24/45607—Receiving member includes either movable connection between interlocking components or variable configuration cavity with additional cavity for engaging different projection
    • Y10T24/45613—Receiving member includes either movable connection between interlocking components or variable configuration cavity with additional cavity for engaging different projection having common means actuating or releasing interlocking components or surfaces
    • Y10T24/45618—Receiving member includes either movable connection between interlocking components or variable configuration cavity with additional cavity for engaging different projection having common means actuating or releasing interlocking components or surfaces and interlocking with independently associated or dissociated projection members

Definitions

  • the present invention relates to a seat belt buckle, in particular for racing vehicles, to which the following description refers purely by way of example, without losing generality.
  • the various branches of the seat belt must immobilize the driver's shoulders, pelvis, and possibly also the legs, and may be connected to one another at a single point - normally located in front of the driver's torso, at the height of the pelvis
  • the buckle comprises a casing housing a releasable coupling mechanism and defining five openings in which to insert and lock respective tabs, each fixed to the end of a respective branch of the seat belt.
  • the buckle casing is also fitted with a manual release lever for releasing the coupling mechanism rapidly from all the tabs, and so enabling the driver, in an emergency, to free himself easily from the seat belt holding him in the driver's seat.
  • the lever is shaped and sized to project from the buckle casing, but, when actually driving the vehicle, should be prevented from contacting and being accidentally rotated by the driver's legs, and so accidentally releasing the seat belt.
  • the solution described in EP1514490 provides for a guard which fits over the end of the lever when this is in the rest position.
  • the guard has a tab identical to those fitted to the branches of the seat belt, and which fits inside one of the five openings in the casing.
  • a seat belt buckle in particular for racing vehicles, as defined in claim 1 .
  • FIG. 1 shows an exploded view in perspective of a preferred embodiment of the buckle according to the invention.
  • FIG. 2 shows a larger-scale view of a component part of the FIG. 1 buckle, together with a tab fixed in a manner not shown to a branch of a seat belt.
  • Number 1 in FIG. 1 indicates as a whole a seat belt buckle, in particular for racing vehicles.
  • Buckle 1 comprises a casing 2 , in turn comprising a front body 3 and a rear base 4 arranged one onto the other along an axis A and fixed one to the other, preferably by means of screws 6 .
  • body 3 has a flat front face 8 perpendicular to axis A and comprising a projection 9 .
  • Casing 2 has a peripheral surface 10 provided with three openings defining respective inlets of a bottom slot 11 and of two top slots 12 , which in use are engaged by respective tabs 15 (only one shown partly in FIG. 2 ) fixed, in known manner not shown, to the ends of respective branches of a seat belt.
  • Coupling mechanism 19 is connected to a lever 21 , which is located, and preferably rests, on face 8 , and is hinged to casing 2 so as to be rotatable manually about axis A from a rest position. As it rotates, lever 21 releases coupling mechanism 19 from all of tabs 15 simultaneously.
  • the limit stops governing rotation of lever 21 are preferably defined by projection 9 : for example, the rear face, not shown, of lever 21 has an arc-shaped groove engaged by projection 9 .
  • Lever 21 comprises a radial arm 22 , which, when lever 21 is in the rest position, extends downwards in a vertical direction B and is located on a bottom portion 23 of casing 2 .
  • the outline or perimeter 24 of radial arm 22 viewed parallel to axis A, preferably lies completely within the outline or perimeter 25 of bottom portion 23 .
  • radial arm 22 does not project from peripheral surface 10 , thus preventing accidental release of coupling mechanism 19 .
  • Bottom portion 23 is elongated in direction B, and is lobe-shaped or triangular with a rounded vertex, when viewed parallel to axis A.
  • the inlet of slot 11 is formed on a side 26 of base 4 , and defines for respective tab 15 an insertion direction 28 which is non-radial with respect to axis A and directed towards the opposite side 27 of base 4 .
  • Bottom portion 23 is relatively narrow, so slot 11 is formed in a position which, in a direction parallel to axis A, is aligned with radial arm 22 when lever 21 is in the rest position.
  • Cross member 29 faces a cross member 29 , which is fixed with respect to casing 2 and serves to attach the end of another branch of the seat belt.
  • cross member 29 and side 27 define an opening 31 in which to insert and loop said branch about cross member 29 .
  • Opening 31 , the two slots 12 and slot 11 thus define four seat belt connection points.
  • Cross member 29 is preferably formed in one piece with base 4 .
  • coupling mechanism 19 comprises three retaining pins 32 , which are guided by respective seats 33 to slide, parallel to axis A, between a lowered position, in which they engage respective holes 34 in tabs 15 ( FIG. 2 ) to retain tabs inside respective slots 11 , 12 , and a raised position, in which tabs 15 are free to slide out.
  • Retaining pins 32 are pushed into the lowered position by respective springs 35 , and at their rear ends have respective inclined surfaces 36 facing the inlets of respective slots 11 , 12 .
  • Inclined surfaces 36 serve to raise retaining pins 32 in opposition to springs 35 , when tabs 15 are inserted forcefully inside respective slots 11 , 12 . Once the tabs are inserted, springs 35 click retaining pins 32 into holes 34 to lock tabs 15 in place.
  • the seat 33 associated with slot 11 is located substantially in the centre of bottom portion 23 , i.e. extends along an axis lying in a centreline plane defined by axis A and direction B.
  • Coupling mechanism 19 also comprises a plate 38 , which is guided inside cavity 17 and is translated axially by rotation of lever 21 and by the thrust exerted by a spring 39 interposed between plate 38 and body 3 .
  • lever 21 is fixed to a shaft 40 , which extends along axis A, through body 3 , and into cavity 17 , and is connected to plate 38 by a cam and cam follower transmission 41 to lift plate 38 towards body 3 when lever 21 moves out of the rest position. More specifically, plate 38 moves retaining pins 32 simultaneously into their raised positions to release holes 34 .
  • buckle 1 has no ejector devices, which means tabs 15 are not expelled from slots 11 , 12 when holes 34 are released.
  • buckle 1 it is the tension exerted by the branch of the seat belt on cross member 29 that detaches buckle 1 from the other branches of the seat belt, and so extracts tabs 15 from respective slots 11 , 12 .
  • seats 33 are formed in a wall 42 formed in one piece with base 4 , and which defines the bottom of cavity 17 on one side, and a front face of slots 11 , 12 on the other.
  • slots 12 these are formed in base 4 , in a top portion 43 , which is symmetrical with respect to said centreline plane, and is preferably shaped to form two lobes.
  • buckle 1 The advantages of buckle 1 will be clear from the above description.
  • the position of slot 11 and the presence of opening 31 greatly reduce the size of bottom portion 23 and therefore the weight of buckle 1 .
  • the three-lobed design of casing 2 also provides for reducing the material, and therefore weight, of top portion 43 .
  • the action of the seat belt on bottom portion 23 is nevertheless balanced by virtue of the positions of cross member 29 and slot 11 .
  • bottom portion 23 obviously provides for permanently guarding radial arm 22 against accidental operation.
  • buckle 1 has a relatively small number of component parts.
  • buckle 1 in no way impair driving comfort, operation and safety of the seat belt, or the dependability of buckle 1 itself.
  • top portion 43 may be shaped differently and/or the insertion directions of tabs 15 inside slots 11 , 12 may differ slightly from those illustrated by way of example.

Landscapes

  • Automotive Seat Belt Assembly (AREA)
US14/408,287 2012-06-15 2013-06-14 Seat belt buckle, in particular for racing vehicles Abandoned US20150181985A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITTO2012A000525 2012-06-15
IT000525A ITTO20120525A1 (it) 2012-06-15 2012-06-15 Fibbia di collegamento per cinture di sicurezza, in particolare per veicoli da competizione
PCT/IB2013/054895 WO2013186759A1 (en) 2012-06-15 2013-06-14 Seat belt buckle, in particular for racing vehicles

Publications (1)

Publication Number Publication Date
US20150181985A1 true US20150181985A1 (en) 2015-07-02

Family

ID=46727442

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/408,287 Abandoned US20150181985A1 (en) 2012-06-15 2013-06-14 Seat belt buckle, in particular for racing vehicles

Country Status (5)

Country Link
US (1) US20150181985A1 (it)
EP (1) EP2861094B1 (it)
ES (1) ES2601236T3 (it)
IT (1) ITTO20120525A1 (it)
WO (1) WO2013186759A1 (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160219988A1 (en) * 2015-02-02 2016-08-04 Taiwan Bike Rack Co., Ltd. Buckle Structure for Safety Belt
US9545133B1 (en) * 2016-07-06 2017-01-17 Taiwan Racing Products Co., Ltd. Safety belt buckle for race car

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3099172B1 (fr) 2019-07-23 2021-07-16 Ifp Energies Now Procede de traitement d'une essence par separation en trois coupes
FR3099174B1 (fr) 2019-07-23 2021-11-12 Ifp Energies Now Procédé de production d'une essence a basse teneur en soufre et en mercaptans
FR3099173B1 (fr) 2019-07-23 2021-07-09 Ifp Energies Now Procédé de production d'une essence a basse teneur en soufre et en mercaptans
FR3099175B1 (fr) 2019-07-23 2021-07-16 Ifp Energies Now Procédé de production d'une essence a basse teneur en soufre et en mercaptans
FR3104602A1 (fr) 2019-12-17 2021-06-18 IFP Energies Nouvelles Procédé d’hydrodésulfuration de finition en présence d’un catalyseur obtenu par la voie sels fondus
FR3108333B1 (fr) 2020-03-20 2022-03-11 Ifp Energies Now Procédé de production d'une essence a basse teneur en soufre et en mercaptans
FR3130834B1 (fr) 2021-12-20 2025-09-26 Ifp Energies Now Procédé de traitement d'une essence contenant des composés soufrés
FR3130831B1 (fr) 2021-12-20 2025-09-26 Ifp Energies Now Procédé de production d'une coupe essence légère à basse teneur en soufre

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB895482A (en) * 1957-07-05 1962-05-02 Harley Patents Int Improvements relating to quick-release latches
ITTO20030683A1 (it) * 2003-09-09 2005-03-10 Belt & Buckle S R L Fibbia di collegamento per cinture di sicurezza, in
DE202011050313U1 (de) * 2011-05-31 2011-09-22 Taiwan Racing Products Co., Ltd. Schnalle für Sicherheitsgurt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160219988A1 (en) * 2015-02-02 2016-08-04 Taiwan Bike Rack Co., Ltd. Buckle Structure for Safety Belt
US9545133B1 (en) * 2016-07-06 2017-01-17 Taiwan Racing Products Co., Ltd. Safety belt buckle for race car

Also Published As

Publication number Publication date
ES2601236T3 (es) 2017-02-14
ITTO20120525A1 (it) 2013-12-16
EP2861094A1 (en) 2015-04-22
EP2861094B1 (en) 2016-08-03
WO2013186759A1 (en) 2013-12-19

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