IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0525542
(1983-08-22)
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우선권정보 |
JP-0150455 (1982-08-30) |
발명자
/ 주소 |
- Tsuge, Noboru
- Taguchi, Masahiro
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
45 인용 특허 :
3 |
초록
▼
A seat belt system comprising a seat belt retractor, a seat belt, a tongue plate secured at an intermediate position of the seat belt, and a buckle which has a locking function and an unlocking function for the tongue plate. An actuator and its controller are provided for automatically actuating the
A seat belt system comprising a seat belt retractor, a seat belt, a tongue plate secured at an intermediate position of the seat belt, and a buckle which has a locking function and an unlocking function for the tongue plate. An actuator and its controller are provided for automatically actuating the unlocking function of the buckle.
대표청구항
▼
1. A seat belt system for an automobile, comprising: a seat belt retractor anchored to a frame of said automobile; a seat belt having one end anchored to said automobile frame and another end secured to said retractor; a tongue plate secured at an intermediate position of said seat belt; a buc
1. A seat belt system for an automobile, comprising: a seat belt retractor anchored to a frame of said automobile; a seat belt having one end anchored to said automobile frame and another end secured to said retractor; a tongue plate secured at an intermediate position of said seat belt; a buckle anchored to said automobile frame, said buckle having a means for locking said tongue plate and a means for unlocking said tongue plate; a means for actuating said unlocking means; and a means for controlling said actuating means wherein said locking means comprises a salient portion rotatably supported at one end of said buckle and a spring for pushing said salient portion, said tongue plate having a hole for receiving said salient portion; and wherein said unlocking means comprises a lever associated with said salient portion, and a slide button having a tapered portion in contact with said lever. 2. A system as set forth in claim 1, wherein said controlling means comprises a cable connected to said slide button and to a handle lever for locking a door of said automobile. 3. A system as set forth in claim 1, wherein said controlling means comprises a cable connected to said slide button and to a brake lever. 4. A seat belt system for an automobile, comprising: a seat belt retractor anchored to a frame of said automobile; a seat belt having one end anchored to said automobile frame and another end secured to said retractor; a tongue plate secured at an intermediate position of said seat belt; a buckle anchored to said automobile frame, said buckle having a means for locking said tongue plate and a means for unlocking said tongue plate; means for selectively actuating said unlocking means; and means for controlling said actuating means, wherein said controlling means includes a means for detecting whether a brake lever of said automobile is turned on and a means for driving said actuating means to actuate said unlocking means a predetermined time period after said brake lever is turned on. 5. A system as set forth in claim 4, wherein said actuating means comprises an electrical actuator. 6. A system as set forth in claim 4, wherein said controlling means further comprises: means for detecting whether a key switch of said automobile is turned on or off; and means for driving said actuating means to actuate said unlocking means for a predetermined time period after said key switch is turned off. 7. A system as set forth in claim 4, wherein said controlling means further comprises: means for detecting whether a door of said automobile is open or closed; and means for driving said actuating means to actuate said unlocking means for a predetermined time period after said door is opened. 8. A system as set forth in claim 4, wherein said controlling means further comprises: means for detecting whether a door of said automobile is open or closed; and means for driving said actuating means to actuate said unlocking means when said door is open. 9. A system as set forth in claim 4, wherein said locking means comprises a salient portion rotatably supported at one end of said buckle and a spring for pushing said salient portion, said tongue plate having a hole for receiving said salient portion; and said unlocking means comprises a lever associated with said salient portion, and a slide button having a tapered portion in contact with said lever. 10. A seat belt system for an automobile, comprising: a seat belt retractor anchored to a frame of said automobile; a seat belt having one end anchored to said automobile frame and another end secured to said retractor; a tongue plate secured at an intermediate position of said seat belt; a buckle anchored to said automobile frame, said buckle having a means for locking said tongue plate and a means for unlocking said tongue plate; means for selectively actuating said unlocking means; and means for controlling said actuating means, wherein said controlling means includes a means for detecting whether a brake lever of said automobile is turned on, and a means for driving said actuating means to actuate said unlocking means when said brake lever is turned on. 11. A system as set forth in claim 10 wherein said actuating means comprises an electrical actuator. 12. A system as set forth in claim 10, wherein said controlling means further comprises: means for detecting whether a key switch of said automobile is turned on or off; and means for driving said actuating means to actuate said unlocking means for a predetermined time period after said key switch is turned off. 13. A system as set forth in claim 10, wherein said controlling means further comprises: means for detecting whether a door of said automobile is open or closed; and means for driving said actuating means to actuate said unlocking means for a predetermined time period after said door is opened. 14. A system as set forth in claim 10, wherein said controlling means further comprises: means for detecting whether a door of said automobile is open or closed; and means for driving said actuating means to actuate said unlocking means when said door is open. 15. A system as set forth in claim 10, wherein said locking means comprises a salient portion rotatably supported at one end of said buckle and a spring for pushing said salient portion, said tongue plate having a hole for receiving said salient portion; and said unlocking means comprises a lever associated with said salient portion, and a slide button having a tapered portion in contact with said lever. 16. A seat belt system for an automobile, comprising: a seat belt retractor anchored to a frame of said automobile; a seat belt having one end anchored to said automobile frame and another end secured to said retractor; a tongue plate secured at an intermediate position of said seat belt; a buckle anchored to said automobile frame, said buckle having a means for locking said tongue plate and a means for unlocking said tongue plate; means for selectively actuating said unlocking means; and means for controlling said actuating means, wherein said controlling means includes means for detecting whether deceleration of said automobile exceeds a predetermined value, means for detecting whether velocity of said automobile is zero, and means for driving said actuating means to actuate said unlocking means for a predetermined time period after the deceleration of said automobile exceeds said predetermined value and the velocity of said automobile becomes zero. 17. A system as set forth in claim 16, wherein said actuating means comprises an electrical actuator. 18. A system as set forth in claim 16, wherein said controlling means further comprises: means for detecting whether a key switch of said automobile is turned on or off; and means for driving said actuating means to actuate said unlocking means for a predetermined time period after said key switch is turned off. 19. A system as set forth in claim 16, wherein said controlling means further comprises: means for detecting whether a door of said automobile is open or closed; and means for driving said actuating means to actuate said unlocking means for a predetermined time period after said door is opened. 20. A system as set forth in claim 16, wherein said controlling means further comprises: means for detecting whether a door of said automobile is open or closed; and means for driving said actuating means to actuate said unlocking means when said door is open. 21. A system as set forth in claim 16, wherein said locking means comprises a salient portion rotatably supported at one end of said buckle and a spring for pushing said salient portion, said tongue plate having a hole for receiving said salient portion; and said unlocking means comprises a lever associated with said salient portion, and a slide button having a tapered portion in contact with said lever. 22. A seat belt system for an automobile comprising: a seat belt retractor anchored to a frame of said automobile; a seat belt having one end anchored to said automobile frame and another end secured to said retractor; a tongue plate secured at an intermediate position of said seat belt; a buckle anchored to said automobile frame, said buckle having a means for locking said tongue plate and a means for unlocking said tongue plate; means for selectively actuating said unlocking means; and means for controlling said actuator means, wherein said locking means comprises a salient portion rotatably supported at one end of said buckle and a spring for pushing said salient portion, said tongue plate having a hole for receiving said salient portion, said unlocking means comprises a lever associated with said salient portion, and a slide button having a tapered portion in contact with said lever, and said controlling means comprises a cable connected to said slide button and to a brake lever of said automobile.
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