Abstract: An air bag 2, an inflator 3, and a diffuser 30 are attached to a retainer 10. The diffuser 30 has a main surface portion 31, leg piece portions 32 extending in four radiating directions, and flap portions 34. The main surface portion 31 covers a head side of the inflator 3. The leg piece portion 32 passes through a mounting ring 20 and an inflator opening 12 and passes between the retainer 10 and a flange portion 3b of the inflator 3. A bolt 21 of the mounting ring 20 is inserted through a small hole 33 of the leg piece portion 32.

Abstract: The air bag device is provided with an air bag 2, an inflator 3, a retainer 10, and a diffuser 30. A bolt 21 for an attachment ring 20 is inserted into bolt insertion holes 3c provided in the air bag 2, the retainer 10, and the flange 3b of the inflator 3, and a nut 23 is engaged with the bolt 21. The diffuser 30 has a flange portion 31 which has a center opening 32 provided at the center thereof, and a side wall SW which rises from the peripheral edge of the center opening 32 and surrounds the side peripheral surface of the body of the inflator 3. The side wall SW includes a first side wall portion 34 and a second side wall portion 35 which is higher than the first side wall portion 34. The distal end of the second side wall portion 35 reaches up to a gas ejection opening 3d in the inflator 3.

Abstract: An air bag 2, an inflator 3, and a diffuser 30 are attached to a retainer 10. The diffuser 30 has a main surface portion 31, leg piece portions 32 extending in four radiating directions, and flap portions 34. The main surface portion 31 covers a head side of the inflator 3. The leg piece portion 32 passes through a mounting ring 20 and an inflator opening 12 and passes between the retainer 10 and a flange portion 3b of the inflator 3. A bolt 21 of the mounting ring 20 is inserted through a small hole 33 of the leg piece portion 32.

Abstract: An airbag device includes: an airbag that is folded in normal times and is inflated and deployed in emergency situations; an inflator that supplies a gas to the airbag; a retainer that supports the airbag and the inflator; a module cover that has a plate-like section and a side wall section provided upright on the plate-like section, wherein a hook formed on the retainer is retained in an opening formed in the side wall section; and a first protector cloth that is retained in the hook, and covers an upper surface of a folded body of the airbag to maintain a folded shape of the airbag.

Abstract: A mounting member to be mounted to an obverse side of a cover part arranged at a central portion of a steering wheel includes corner parts 31a, 31b, 31c, and 31d having hook parts 36-3, 36-4, 36-5, and 36-6 protruding from their reverse sides, the hook parts 36-3, 36-4, 36-5, and 36-6 being capable of interlocking with holes formed at the cover part. The hook parts 36-3, 36-4, 36-5, and 36-6 are arranged at narrow parts 37a and 37b between a contour 33 of the mounting member 30 and openings 35a and 35b formed along the contour 33.

Abstract: An opening portion 111 includes a plurality of extended portions 111a that are each a portion of the opening portion 111 with an enlarged diameter and a notch 111b formed in an edge portion. An insulator 6 includes a support 6a that has a larger diameter than that of the opening portion 111, a trunk portion 6b that has a smaller diameter than that of the support 6a and that can be inserted through the opening portion 111, a plurality of lock portions 6c, the diameter of which is partially enlarged from the trunk portion 6b, that can be passed through the extended portions 111a, a hook portion 6d that is formed on a lateral side of the trunk portion 6b and that can be engaged with the notch 111b, and engagement holes 6e that are formed in a surface that is in contact with the stopper 5, the engagement holes 6e engaging thereto a jig 8 for fixing the insulator 6 to the opening portions 111.

Abstract: There is provided a steering wheel that can reduce the load applied to an elastic body included in a dynamic damper to lengthen the life of the dynamic damper, and that allows the frequency of the dynamic damper to be adjusted easily. An insulator 14 includes a first flange portion 14a provided between a stopper 13 and an elastic body 15, and a second flange portion 14b provided between a coil spring 17 and the elastic body 15. The elastic body 15 includes a first diameter-increased portion 15a increased in diameter to be contactable with the first flange portion 14a, and a second diameter-increased portion 15b increased in diameter to be contactable with the second flange portion 14b. A contact surface of the first flange portion 14a with the first diameter-increased portion 15a has a plurality of linear projections 14c arranged in a substantially radial fashion.

Abstract: An airbag unit includes an airbag, a cover part which covers the airbag, a fitting member which is fitted on a front side of the cover part, and a fastening member which fastens the fitting member on a back side of the cover part. The fastening member includes a first fastening part which is inserted from a side into a first locking part provided on the fitting member, in a state in which the first locking part penetrates the cover part to a back side of the cover part, a second fastening part which is inserted from the side into a second locking part provided on the fitting member, in a state in which the second locking part penetrates the cover part to the back side of the cover part, and a connecting part which connects a base end part of the first fastening part and a base end part of the second fastening part, and external shapes of the first fastening part and the second fastening part are mutually different.

Abstract: A mounting member to be mounted to an obverse side of a cover part arranged at a central portion of a steering wheel includes corner parts 31a, 31b, 31c, and 31d having hook parts 36-3, 36-4, 36-5, and 36-6 protruding from their reverse sides, the hook parts 36-3, 36-4, 36-5, and 36-6 being capable of interlocking with holes formed at the cover part. The hook parts 36-3, 36-4, 36-5, and 36-6 are arranged at narrow parts 37a and 37b between a contour 33 of the mounting member 30 and openings 35a and 35b formed along the contour 33.

Abstract: An opening portion 111 includes a plurality of extended portions 111a that are each a portion of the opening portion 111 with an enlarged diameter and a notch 111b formed in an edge portion. An insulator 6 includes a support 6a that has a larger diameter than that of the opening portion 111, a trunk portion 6b that has a smaller diameter than that of the support 6a and that can be inserted through the opening portion 111, a plurality of lock portions 6c, the diameter of which is partially enlarged from the trunk portion 6b, that can be passed through the extended portions 111a, a hook portion 6d that is formed on a lateral side of the trunk portion 6b and that can be engaged with the notch 111b, and engagement holes 6e that are formed in a surface that is in contact with the stopper 5, the engagement holes 6e engaging thereto a jig 8 for fixing the insulator 6 to the opening portions 111.

Abstract: An airbag unit includes an airbag, a cover part which covers the airbag, a fitting member which is fitted on a front side of the cover part, and a fastening member which fastens the fitting member on a back side of the cover part. The fastening member includes a first fastening part which is inserted from a side into a first locking part provided on the fitting member, in a state in which the first locking part penetrates the cover part to a back side of the cover part, a second fastening part which is inserted from the side into a second locking part provided on the fitting member, in a state in which the second locking part penetrates the cover part to the back side of the cover part, and a connecting part which connects a base end part of the first fastening part and a base end part of the second fastening part, and external shapes of the first fastening part and the second fastening part are mutually different.

Abstract: There are provided an airbag device and a steering wheel that can reduce the number of components and weight and allow a retainer to be easily positioned relative to an airbag cover. An airbag cover 4 includes a side wall portion 41 standing on an inner side, a recess 42 formed in an end face at almost the center of the side wall portion 41, and retaining holes 43 and 43 formed in the side wall portion 41 on both sides of the recess 42. A retainer 3 includes a first hook 31 that is fittable in the recess 42 and contactable with a bottom face 42a of the recess 42, and second hooks 32 that are contactable with inner faces 43a of the retaining holes 43. The retainer 3 is centered in a width direction by fitting the first hook 31 in the recess 42, and the side wall portion 41 is clamped in a standing direction by the first hook 31 and the second hooks 32 by contacting the first hook 31 with the recess 42 and contacting the second hooks 32 with the retaining holes 43.

Abstract: A steering wheel in which a load exerted on an elastic member constituting a dynamic damper can be reduced, the life of the dynamic damper can be extended, and the assembly operation is readily performed. The steering wheel has a first horn plate (11), a second horn plate (21), guide pins (12), stoppers (13), bushes (14), elastic members (15), and coil springs (16); the bushes (14) are divided into first bushes (141) which have first flanges (14a), openings (14b), columnar parts (14c); and recessed parts (14d), and second bushes (142) which have second flanges (14e), openings (140, and casings (14h); and the columnar parts (14c) are configured so as to be in contact with the second flanges (14e).

Abstract: Provided is a steering wheel in which, even in the case where a moving part of a horn switch exists in a space formed between a pad and a main body, harness can be prevented from getting caught in a gap. The steering wheel includes a first horn plate secured to the main body, a second horn plate secured to the pad, guide pins arranged vertically on the second horn plate and inserted through openings of the first horn plate, flange-shaped stoppers formed on the guide pins, an insulators disposed so as to be slidable along the guide pins, and coil springs that urge the insulators toward the stoppers. The insulator covers an outer periphery of the stopper and has a wall surface portion, the height of which is substantially equal to an offset distance between a fixed contact and a moving contact.

Abstract: There are provided an airbag device and a steering wheel that can reduce the number of components and weight and allow a retainer to be easily positioned relative to an airbag cover. An airbag cover 4 includes a side wall portion 41 standing on an inner side, a recess 42 formed in an end face at almost the center of the side wall portion 41, and retaining holes 43 and 43 formed in the side wall portion 41 on both sides of the recess 42. A retainer 3 includes a first hook 31 that is fittable in the recess 42 and contactable with a bottom face 42a of the recess 42, and second hooks 32 that are contactable with inner faces 43a of the retaining holes 43. The retainer 3 is centered in a width direction by fitting the first hook 31 in the recess 42, and the side wall portion 41 is clamped in a standing direction by the first hook 31 and the second hooks 32 by contacting the first hook 31 with the recess 42 and contacting the second hooks 32 with the retaining holes 43.

Abstract: There is provided a steering wheel that can reduce the load applied to an elastic body included in a dynamic damper to lengthen the life of the dynamic damper, and that allows the frequency of the dynamic damper to be adjusted easily. An insulator 14 includes a first flange portion 14a provided between a stopper 13 and an elastic body 15, and a second flange portion 14b provided between a coil spring 17 and the elastic body 15. The elastic body 15 includes a first diameter-increased portion 15a increased in diameter to be contactable with the first flange portion 14a, and a second diameter-increased portion 15b increased in diameter to be contactable with the second flange portion 14b. A contact surface of the first flange portion 14a with the first diameter-increased portion 15a has a plurality of linear projections 14c arranged in a substantially radial fashion.

Abstract: Provided is a steering wheel in which, even in the case where a moving part of a horn switch exists in a space formed between a pad and a main body, harness can be prevented from getting caught in a gap. The steering wheel includes a first horn plate secured to the main body, a second horn plate secured to the pad, guide pins arranged vertically on the second horn plate and inserted through openings of the first horn plate, flange-shaped stoppers formed on the guide pins, an insulators disposed so as to be slidable along the guide pins, and coil springs that urge the insulators toward the stoppers. The insulator covers an outer periphery of the stopper and has a wall surface portion, the height of which is substantially equal to an offset distance between a fixed contact and a moving contact.

Abstract: A steering wheel in which a load exerted on an elastic member constituting a dynamic damper can be reduced, the life of the dynamic damper can be extended, and the assembly operation is readily performed. The steering wheel according to the present invention has a first horn plate (11), a second horn plate (21), guide pins (12), stoppers (13), bushes (14), elastic members (15), and coil springs (16); the bushes (14) are divided into first bushes (141) which have first flanges (14a), openings (14b), columnar parts (14c); and recessed parts (14d), and second bushes (142) which have second flanges (14e), openings (14f), and casings (14h); and the columnar parts (14c) are configured so as to be in contact with the second flanges (14e).

Abstract: An airbag includes a front portion having an upper part for receiving a head of the occupant, a middle part and a lower part. The upper part has an upwardly protruding curved edge without a linear portion, and two laterally protruding upper curved edges. The middle part has two laterally inwardly curved middle side edges extending smoothly from the laterally protruding upper curved edges. The lower part haw two laterally inwardly and downwardly curved lower side edges, and a downwardly protruding curved edge without a linear portion. The lower part has a lateral width greater than that of the upper and middle parts to thereby form laterally projecting portions for receiving occupant's arms. The downwardly extending curved edge at the lower part has a curvature greater than that of the upwardly extending curved edge at the upper part.

Abstract: An airbag cover for maintaining a folded shape of an airbag when the airbag is folded and accommodated within a casing, is designed to bulge from an opening formed on a panel constituting a vehicle inner wall for deploying between the panel and an occupant. The airbag cover includes a flat structure for covering at least a side of the airbag facing the opening before a deployment, and a tear line located on the flat structure and facing the opening so as to allow the airbag to bulge from the opening when deployed by cleaving the flat structure. The tear line is located on a side closer to the occupant relative to a center of the airbag cover in a direction of a vehicle length.