CA2475983A1 - Curtain-shield airbag clip and assemblies using the clip - Google Patents

Curtain-shield airbag clip and assemblies using the clip Download PDF

Info

Publication number
CA2475983A1
CA2475983A1 CA002475983A CA2475983A CA2475983A1 CA 2475983 A1 CA2475983 A1 CA 2475983A1 CA 002475983 A CA002475983 A CA 002475983A CA 2475983 A CA2475983 A CA 2475983A CA 2475983 A1 CA2475983 A1 CA 2475983A1
Authority
CA
Canada
Prior art keywords
bore
pin
bushing
flange
leg
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
CA002475983A
Other languages
French (fr)
Other versions
CA2475983C (en
Inventor
Yasuhiro Kawai
Yasushi Kubota
Tatsuya Goto
Hirokazu Niimi
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.)
Toyota Industries Corp
Newfrey LLC
Original Assignee
Toyota Industries Corp
Newfrey LLC
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 Toyota Industries Corp, Newfrey LLC filed Critical Toyota Industries Corp
Publication of CA2475983A1 publication Critical patent/CA2475983A1/en
Application granted granted Critical
Publication of CA2475983C publication Critical patent/CA2475983C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/213—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle roof frames or pillars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/04—Rivets; Spigots or the like fastened by riveting
    • F16B19/08—Hollow rivets; Multi-part rivets
    • F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
    • F16B19/1027—Multi-part rivets
    • F16B19/1036—Blind rivets
    • F16B19/1081—Blind rivets fastened by a drive-pin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/232—Curtain-type airbags deploying mainly in a vertical direction from their top edge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/06—Releasable fastening devices with snap-action
    • F16B21/07—Releasable fastening devices with snap-action in which the socket has a resilient part
    • F16B21/071—Releasable fastening devices with snap-action in which the socket has a resilient part the socket being integrally formed with a component to be fasted, e.g. a sheet, plate or strip

Abstract

A clip for attaching a curtain-shield airbag to a body panel of a vehicle comprises a bushing and a pin. The bushing has a flange with a leg extending therefrom . A bore extends through the flange and into the leg for receiving the pin. Outer surfaces of the leg have engagement pieces with shoulders for coupling the bushing to edge regio ns of a body panel hole into which the leg is inserted. The pin and the bushing are capable of being coupled in a provisionally fixed condition or a permanently fixed condition. When the pin is partially inserted into the bore, the engagement pieces are permitted to flex inwardly of the bore, but when the pin is fully inserted, such inward flexin g is prevented. The flange has a wall that provides a partition between the main airbag unit and the entrance hole of the bore in the flange.

Claims (15)

1. A clip for attaching an attaching member for a curtain-shield airbag to a body panel, comprising:
a pin, and a bushing for receiving the pin, wherein:
the bushing has a leg that is inserted into an attachment hole in the airbag attaching member and into an attachment hole in the body panel, and a flange integral with the leg for holding the airbag attaching member in cooperation with the body panel;
the bushing has a bore through the flange and the leg into which the pin can be inserted;
the leg has an external flexibly supported engagement piece capable of engaging edge regions of the hole in the airbag attaching member and the hole in the body panel;
the engagement piece is configured so as to be in a permanently fixed condition with flexure thereof toward the inside of the bore prevented when the pin is inserted into the bore to a permanently fixing position, and so as to be in a provisionally fixed condition, with flexure toward the inside of the bore permitted, when the pin is not inserted into the bore to the permanently fixing position; and a partition plate is integrally formed at a flange edge, so as to stand from the flange edge to form a partition between the main airbag unit of the curtain-shield airbag and part of the flange at which there is an opening to the bore.
2. The clip recited in claim 1, wherein a pawl extends elastically to the inside of the bore at a position adjacent to the flange, the pin has a permanently fixing engagement part for engaging the pawl so as to maintain the permanently fixed condition when the pin is inserted deeply into the bore, and the pin has a provisionally fixing engagement part for engaging the pawl so as to maintain the provisionally fixed condition when the pin is not inserted deeply into the bore.
3. The clip recited in claim 2, wherein the pin comprises a shaft and a head integrally formed at one end of the shaft, the permanently fixing engagement part is a shoulder formed at a position between a tip of the shaft and the head, and the provisionally fixing engagement part is a shoulder formed near the tip of the shaft.
4. The clip recited in claim 2, wherein when the shaft is inserted into an attachment hole in the airbag attaching member of the curtain-shield airbag, in a condition such that the pin and the bushing are coupled by the engagement of the provisionally fixing engagement part and the pawl, the entire clip is pre-attached to the curtain-shield air bag.
5. The clip recited in claim 1, wherein there are a pair of the engagement pieces with one end attached flexibly to the leg and another end free, and the pin part inserted into the bore has the rigidity to prevent flexure of the free end of the engagement pieces toward the inside of the bore.
6. A clip for attaching an attaching member for a curtain-shield airbag to a body panel, comprising:
a bushing having a flange and a leg extending from the flange at one side thereof, the bushing having a bore extending through the flange and into the leg from an opening at an opposite side of the flange, the leg having an opening in a side wall thereof and having a protrusion from the side wall, flexibly mounted on the side wall at a root end of the protrusion remote from the flange, for movement into and out of the bore through the opening in the side wall, the protrusion tapering outwardly of the side wall from the root end to an opposite free end of the protrusion and having a shoulder at the free end for engaging an edge region of a hole in a panel through which the leg is inserted; and a pin constructed for insertion into the bore of the bushing to a permanently fixed position at which the pin is held in the bore and blocks movement of the protrusion into the bore.
7. A clip according to claim 6, wherein the bushing and the pin have cooperable elements for holding the pin in the bushing at a provisionally fixed position at which the pin does not block movement of the protrusion into of the bore.
8. A clip according to claim 7, wherein the cooperable elements include a provisionally fixing shoulder on the pin and a pawl in the bore.
9. A clip according to claim 8, wherein the pin has a permanently fixing shoulder cooperable with the pawl for holding the pin at the permanently fixing position.
10. A clip according to claim 9, wherein the pin has an outer surface portion that tapers from an end adjacent to the permanently fixing shoulder to a smaller end adjacent to the provisionally fixing shoulder.
11. A clip according to claim 6, wherein the bushing has a partition projecting from an end of the flange in a direction opposite to a direction in which the leg extends from the flange.
12. An assembly comprising the clip recited in Claim 6 and an attaching member for a curtain-shield airbag, with the flange of the bushing abutting the attaching member and the partition between a main airbag unit and the opening to the bore, the leg of the bushing extending through a hole in the attaching member, the shoulder of the protrusion adjacent to an edge region of the hole, and the pin inserted into the bore of the bushing to the provisionally fixing position.
13. An assembly according to claim 12, further comprising a body panel having a hole through which the leg of the bushing is inserted after insertion into the hole of the attaching member, wherein the shoulder of the protrusion engages an edge region of the hole in the body panel.
14. An assembly comprising the clip of claim 6, an attaching member for a curtain-shield airbag, and a body panel, with the flange of the bushing abutting the attaching member and the partition between a main airbag unit and the opening to the bore, the leg of the bushing extending through a hole in the attaching member and then through a hole in the body panel, the shoulder of the protrusion engaging an edge region of the hole in the body panel, and the pin inserted in the bore of the bushing to the permanently fixing position.
15. A bushing for use in attaching an attaching member for a curtain-shield airbag to a body panel, wherein the bushing comprises:
a flange and a leg extending from the flange at one side thereof, the bushing having a bore extending through the flange and into the leg from an opening at an opposite side of the flange, the leg having an opening in a side wall thereof and having a protrusion from the side wall, flexibly mounted on the side wall at a root end of the protrusion remote from the flange, for movement into and out of the bore through the opening in the side wall, the protrusion tapering outwardly of the side wall from the root end to an opposite free end of the protrusion and having a shoulder at the free end for engaging an edge region of a hole in a panel through which the leg is inserted.
CA2475983A 2003-07-31 2004-07-27 Curtain-shield airbag clip and assemblies using the clip Active CA2475983C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003-204506 2003-07-31
JP2003204506A JP4152829B2 (en) 2003-07-31 2003-07-31 Curtain shield airbag clip

Publications (2)

Publication Number Publication Date
CA2475983A1 true CA2475983A1 (en) 2005-01-31
CA2475983C CA2475983C (en) 2011-11-22

Family

ID=33535618

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2475983A Active CA2475983C (en) 2003-07-31 2004-07-27 Curtain-shield airbag clip and assemblies using the clip

Country Status (6)

Country Link
US (1) US7273227B2 (en)
EP (1) EP1502828B1 (en)
JP (1) JP4152829B2 (en)
CA (1) CA2475983C (en)
DE (1) DE602004005112T2 (en)
ES (1) ES2281723T3 (en)

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Also Published As

Publication number Publication date
US7273227B2 (en) 2007-09-25
DE602004005112D1 (en) 2007-04-19
CA2475983C (en) 2011-11-22
ES2281723T3 (en) 2007-10-01
DE602004005112T2 (en) 2007-11-15
JP4152829B2 (en) 2008-09-17
JP2005047325A (en) 2005-02-24
EP1502828B1 (en) 2007-03-07
EP1502828A1 (en) 2005-02-02
US20050062263A1 (en) 2005-03-24

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