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1. 发明专利

JPH03143751A STEERING WHEEL PROVIDED WITH AIR BAG DEVICE 失效
公开(公告)号：JPH03143751A
公开(公告)日：1991-06-19
申请号：JP28365689
申请日：1989-10-30
申请人： TOYODA GOSEI KK , TOYOTA MOTOR CORP
发明人： KAMITOU TAKANORI , SANO YOSHIO , MIZUTANI JUNICHI , HAYASHI CHIKAHISA , SHINDO HIROAKI , SAKAGUCHI SUMIO
IPC分类号： B60R21/20 , B60R21/16 , B60R21/203 , B62D1/04 , H01R35/04
摘要： PURPOSE:To facilitate switch control, earth and wire connecting work by arranging each membrane switch in a divided part of a pad, which is divided into two parts and opened to the outer when an air bag device is actuated, while designing constitution and wiring of a signal electrode of these witches. CONSTITUTION:In a steering wheel 1, when an air bag 5, housed in the lower part of a pad 2, is actuated, an upper surface of the pad 2 is divided into two parts and spread-opened to the outer. Here each membrane switch 29a, 29b is respectively insert-molded in each two-divided part of the pag 2. Conductive securing members 61f, 63f are inserted into a through hole in an exposed part in a lower end side with a reinforcing core member 21 secured to a conductive supporting member 39 simultaneously with earth electrode terminals 61, 63 electrically connected to the supporting member 39. That is, a switch control is facilitated by arranging each membrane switch in the total surface of the pad 2. While connection or the like of earth and connectors is facilitated.

2. 发明专利

JPS63184544A FIXING STRUCTURE FOR BACKUP PLATE 失效
公开(公告)号：JPS63184544A
公开(公告)日：1988-07-30
申请号：JP1457987
申请日：1987-01-24
申请人： TOYODA GOSEI KK , TOYOTA MOTOR CORP
发明人： NIWA MINORU , ONO SATOSHI , SHIGA KAZUMI , SHINDO HIROAKI
IPC分类号： B60R21/20 , B60R21/203 , B60R21/217
摘要： PURPOSE:To improve strength, by arranging a stopper board having an integral male screw section onto an upper face at the circumference of a fixing hole made through a backup plate for holding an inflator which inflates a gas bag for protecting crewmen upon collision of a vehicle. CONSTITUTION:A backup plate 15 is formed of an aluminum plate into a box having an insertion hole 15a in the center of the bottom face, then a metal 2a at the circumference of the gas bag 2 and a holder 4 are secured with bolt 6 together with the flange section 3a of an inflator 3 by utilizing a plurality of small holes made at the circumference of the insertion hole 15a. Tapered fixing holes 15b are made at the opposite sides of the plate 15, and a male screw section 17 is secured to respective fixing holes 15b with the upper end thereof projecting from the upper face of the plate 15. Then a rectangular stopper board 20 is arranged on the upper face of respective circumference at the fixing hole 15b of the plate 15, and the upper end of the male screw section 17 is caulked to the boss section 20a of said stopper board 20 so as to secure the stopper board 20 to the male screw section 17 and the plate 15.

3. 发明专利

JPH0463764A STEERING WHEEL HAVING AIR BAG 失效
公开(公告)号：JPH0463764A
公开(公告)日：1992-02-28
申请号：JP17314290
申请日：1990-06-30
申请人： TOYODA GOSEI KK , TOYOTA MOTOR CORP
发明人： MIZUTANI JUNICHI , HAYASHI CHIKAHISA , SANO YOSHIO , KOUZU TAKANORI , SHINDO HIROAKI
IPC分类号： B60R21/20 , B60R21/203 , B62D1/11
摘要： PURPOSE:To facilitate metal mold setting work in insert forming of a pad part by fixing a membrane switch utilizing fixing parts and projecting parts of resin molded mesh, and fixing the resin molded mesh to a metal mold for pad part molding utilizing the projections and fixing holes. CONSTITUTION:In a pad part in which a folded air bag is received in the inner space of a steering wheel, resin molded mesh 28a (28b) and membrane switch 29a (29b) are arranged on both sides of thin wall part in the center by insert molding. Outer circumferential end face of the membrane switch 29a is pinchedly held in the groove formed on the side face of the extreme end of projection of fixing parts 281a of the resin molded mesh 28a, and the back side of the membrane switch 29a is contacted with projecting parts 282a. Fixing holes 283a of the resin molded mesh 28a are inserted with fixing pins 701 of a pad part molding metal mold 70. Further, at injection molding, molding holes 284a formed on the resin molded mesh is freely passed with resin material.

4. 发明专利

JPS63184545A BACKUP PLATE 失效
公开(公告)号：JPS63184545A
公开(公告)日：1988-07-30
申请号：JP1458087
申请日：1987-01-24
申请人： TOYODA GOSEI KK , TOYOTA MOTOR CORP
发明人： NIWA MINORU , SHIGA KAZUMI , SHINDO HIROAKI
IPC分类号： B60R21/20 , B60R21/203 , B60R21/217
摘要： PURPOSE:To prevent outward expansion of side wall and to prevent partial removal of a pad, by forming an inwardly bending portion on a predetermined side wall of a back plate for holding an inflator which inflates a gas bag for protecting a crewman. CONSTITUTION:A backup plate 16 is formed into a box having a bottom wall 16A which is rectangular when viewed from above for holding a pad 1, a gas bag 2, an inflator, etc., and secured to a movable contact plate through bolts. The inflator 3 is arranged in a large diameter insertion hole 16a made in the center of the bottom wall 16A, and the flange section 3a thereof is secured through bolts together with the holder 4. Here, a section 16f bending further inward than a plane connecting between upper and lower ends is formed on front and rear side walls 16B, 16C of the backup plate 16 near to the gas bag 2. Consequently, outward expansion of the side walls is prevented thus preventing partial removal of the pad 1.

5. 发明专利

JPS61215165A STEERING WHEEL 失效
公开(公告)号：JPS61215165A
公开(公告)日：1986-09-24
申请号：JP5642185
申请日：1985-03-20
申请人： TOYODA GOSEI KK , TOYOTA MOTOR CORP
发明人： HASHIBA TAKAHIRO , NIWA MINORU , SHINDO HIROAKI , HAYASHI SHINJIRO
IPC分类号： B62D1/04 , B62D1/18
摘要： PURPOSE:To raise the fitting position of a telescopic lever by providing the telescopic lever between a boss plate and a pad-side sun gear. CONSTITUTION:A column-side sun gear 4b is fixed on a column section 5, and a pad-side sun gear 4a and the column-side sun gear 4b are engaged with two planet gears 6a, 6b having a common planet shaft 24. Therefore, a pad section 3 is kept in a non-rotation condition. On the other hand, when a telescopic bar 11 fitted above a boss plate 7 is rotated, its rotating force is transmitted to a connecting tube 10, which is relatively rotated against the pad-side sun gear 4a and a boss section 2. Thereby, a telescopic lock bar 9 is rotated, and the lock of a telescopic mechanism incorporated below a steering shaft 1 is released.

6. 发明专利

JPH03143752A STEERING WHEEL PROVIDED WITH AIR BAG DEVICE 失效
公开(公告)号：JPH03143752A
公开(公告)日：1991-06-19
申请号：JP28365489
申请日：1989-10-30
申请人： TOYODA GOSEI KK , TOYOTA MOTOR CORP
发明人： MIZUTANI JUNICHI , HAYASHI CHIKAHISA , SANO YOSHIO , KAMITOU TAKANORI , SHINDO HIROAKI , SAKAGUCHI SUMIO
IPC分类号： B60R21/16 , B60R21/20 , B60R21/203
摘要： PURPOSE:To surely actuate a switch even with light operating force by arranging the membrane switch, which functions as a contact of a horn switch, in the upper surface layer part of a pad while supporting a lower surface side of the membrane switch through space by a supporting member. CONSTITUTION:In a steering wheel 1, an air bag 5 is housed in the lower part of a pad 2 simultaneously with a plurality of membrane switches 29(29a,29b) for functioning as a horn switch arranged in an upper surface internal layer part of the pad 2. Here in a lower surface part of the pad 2 in which the membrane switch 29 is arranged, many ribs 62 are protrusively provided being faced to the lower with the respectively lower end attached to an upper surface of the air bag 5. In this way, the lower surface part of the pad 2 is supported to the upper surface of the air bag 5 with predetermined space 80 ensured. Even when the pad 2 is light pressed, the membrane switch 29 is easily deformed and surely actuated by presence of the space 80.

7. 发明专利

JPH03143750A STEERING WHEEL PROVIDED WITH AIR BAG DEVICE 失效
公开(公告)号：JPH03143750A
公开(公告)日：1991-06-19
申请号：JP28365589
申请日：1989-10-30
申请人： TOYODA GOSEI KK , TOYOTA MOTOR CORP
发明人： SANO YOSHIO , HAYASHI CHIKAHISA , MIZUTANI JUNICHI , KAMITOU TAKANORI , SHINDO HIROAKI , SAKAGUCHI SUMIO
IPC分类号： B60R21/20 , B60R21/16 , B60R21/203 , B62D1/04
摘要： PURPOSE:To surely obtain a horn function by forming a membrane switch, which is arranged in the upper surface internal layer part of a pad to function as a horn switch, to be laminated through each spacer in which a plurality of surface-shaped switches are arranged in a position not overlapped with each other. CONSTITUTION:In a steering wheel, an air bag device is housed in the lower part of a pad simultaneously with a flat surface-shaped membrane switch 29a, which functions as a horn switch, insert-molded in an upper surface internal layer part of the pad. Here the membrane switch 29a is formed by laminating while parallelly connecting a plurality of surface-shaped switches SW1, WW2. That is, the respective contact member 76 is used in common, while the other contact members 75, 77 are connected in the end part. In the center of gravity of one spacer 71, the other spacer 72 is arranged. In this way, despite a pressing position, either one surface-shaped switch SW1 or SW2 is surely actuated.

8. 发明专利

JPS63184547A BACKUP PLATE 失效
公开(公告)号：JPS63184547A
公开(公告)日：1988-07-30
申请号：JP1458287
申请日：1987-01-24
申请人： TOYODA GOSEI KK , TOYOTA MOTOR CORP
发明人： NIWA MINORU , SHIGA KAZUMI , SHINDO HIROAKI
IPC分类号： B60R21/20 , B60R21/203 , B60R21/217
摘要： PURPOSE:To prevent outward inflation of side wall and to prevent removal of a pad, by arranging a reinforcing member on a flange section at the upper end of side wall of a backup plate for holding an inflator which inflates a gas bag in order to protect a crewman. CONSTITUTION:A backup plate 16 is formed into a box having a bottom wall 16A which is rectangular when viewed from above, and secured through bolts to a movable contact plate, with a pad 1, a gas bag 2, an inflator 3, etc., being held therein. The inflator 3 is arranged in a large diameter insertion hole 16a made in the center of the bottom wall 16A, and the flange section 3a thereof is secured through bolts together with a holder 4. Here, an annular reinforcing member 17 formed by bending a rod is secured to the underface of the flange section 16c formed at the upper end of the side walls 16B, 16C at the long side of the bottom wall 16A near to the gas bag 2, and said reinforcing member 17 is also arranged on the underface of the flange section 16c at the upper end of other side wall.

9. 发明专利

JPS63184546A BACKUP PLATE 失效
公开(公告)号：JPS63184546A
公开(公告)日：1988-07-30
申请号：JP1458187
申请日：1987-01-24
申请人： TOYODA GOSEI KK , TOYOTA MOTOR CORP
发明人： NIWA MINORU , SHIGA KAZUMI , SHINDO HIROAKI
IPC分类号： B60R21/20 , B60R21/203 , B60R21/217
摘要： PURPOSE:To prevent outward inflation of side wall and to prevent removal of a pad, by forming a portion for bending the central section inwardly when viewed from above on the side wall of a backup plate for holding an inflator which inflates a gas bag in order to protect a crewman. CONSTITUTION:A backup plate 16 is formed into a box having a bottom wall 16A which is rectangular when viewed from above and secured through bolts to a movable contact plate with a pad 21, a gas bag 2, an inflator 3, etc., being held therein. The inflator 3 is arranged in a large diameter insertion hole 16a made in the center of the bottom wall 16A, and the flange section 3a thereof is secured through bolts together with a holder 4. Here, a portion 16f bendable inwardly when viewed from above is formed in the center of the side walls 16B, 16C at the long side of the bottom wall 16A near to the gas bag 2. Consequently, outward inflation of the side walls 16B, 16C is prevented so as to prevent partial removal of the pad 21.

10. 发明专利

JPH0438241A STEERING WHEEL EQUIPPED WITH AIR BAG SYSTEM 失效
公开(公告)号：JPH0438241A
公开(公告)日：1992-02-07
申请号：JP14073990
申请日：1990-05-30
申请人： TOYODA GOSEI KK
发明人： MIZUTANI JUNICHI , KANAI MAKOTO , KOUZU TAKANORI , TATEWAKI YOSHIMASA , SHINDO HIROAKI
IPC分类号： B60R21/20 , B60R21/203 , B60R21/215 , B60R21/237 , B62D1/04
摘要： PURPOSE:To elastically deform a pad part to be larger as much as a portion for a concave space as well as to improve the operability of a horn switch consisting of a membrane switch by folding an air bag so as to have the concave space at least in a part of the lower part of the pad part with the membrane switch. CONSTITUTION:A pad part 2 is made up into a solid form, and an air bag 5 is folded and stored in the internal space 20. In addition, each of meshes 28a, 28b, clamped of one end to a mounting member 39 at both sides of a thin wall part at the center, and membrane switches 29a, 29b are all installed in an inner layer part 27 of a top face 22 of the pad part 2 by means of insert molding. Likewise, the air bag 5 is folded finally so as to have a concave space 21 at the center part of the top face, fixing it with a tape 51. According to this method, the pad part 2 is made easily to be elastically deformed by this concave space 21. Therefore the horn switch consisting of the membrane switches 29a, 29b is made possible to make a span of contact time. In consequence, a driver is able to sound a horn as his intention, while an operating feeling of this horn switch is improvable.

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