IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0744410
(2008-12-10)
|
등록번호 |
US-8215675
(2012-07-10)
|
우선권정보 |
GB-0724215.9 (2007-12-12) |
국제출원번호 |
PCT/GB2008/004054
(2008-12-10)
|
§371/§102 date |
20100524
(20100524)
|
국제공개번호 |
WO2009/074784
(2009-06-18)
|
발명자
/ 주소 |
- Sealy, Mark Edward Byers
- Bramley, Hugh Christopher
- Barber, Graham
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
2 |
초록
▼
A restraint system (14) for a seat belt (22) is provided according to an embodiment of the invention. The restraint system (14) comprises one or more pneumatic ports (42, 44) for actuating the restraint system (14) from a first position to a second position. The restraint system (14) also comprises
A restraint system (14) for a seat belt (22) is provided according to an embodiment of the invention. The restraint system (14) comprises one or more pneumatic ports (42, 44) for actuating the restraint system (14) from a first position to a second position. The restraint system (14) also comprises one or more pyrotechnic ports (52, 54) for actuating the restraint system (14) from either the first position or the second position to a third position.
대표청구항
▼
1. A restraint system (14) for a seat belt (22), comprising: one or more pneumatic ports (42, 44) for actuating the restraint system (14) from a first position to a second position;one or more pyrotechnic ports (52, 54) for actuating the restraint system (14) from either the first position or the se
1. A restraint system (14) for a seat belt (22), comprising: one or more pneumatic ports (42, 44) for actuating the restraint system (14) from a first position to a second position;one or more pyrotechnic ports (52, 54) for actuating the restraint system (14) from either the first position or the second position to a third position;an inertia reel (16) adapted to rotate about a center shaft (34) and including a belt drum (26) for receiving the seat belt (22); andwherein the inertia reel (16) comprises a drum driver (28) rotatably mounted around a drive key (32), wherein the one or more pneumatic ports (42, 44) are located in a portion of the drive key (32). 2. The restraint system (14) of claim 1, wherein pneumatic pressure supplied to one of the pneumatic ports (42, 44) actuates the drum driver (28) from a first position to a second position. 3. The restraint system (14) of claim 1, wherein at least one of the one or more pyrotechnic ports (52, 54) is located in a portion of the drive key (32). 4. The restraint system (14) of claim 1, wherein pressure supplied through one or more of the pyrotechnic ports (52, 54) actuates the drive key (32) from a first position to a second position to actuate the restraint system (14) from either the first position or the second position to the third position. 5. The restraint system (14) of claim 1, further comprising a linear actuator system (140) coupled to the seat belt (22). 6. The restraint system (14) of claim 5, further comprising a frangible portion (162). 7. A restraint system (14) for a seat belt (22), comprising: a linear actuator system (140) coupled to the seat belt (22);one or more pneumatic ports (42, 44) formed in the linear actuator system (140) for actuating the restraint system (14) from a first position to a second position;one or more pyrotechnic ports (52, 54) formed in the linear actuator system (140) for actuating the restraint system (14) from either the first position or the second position to a third position; andwherein the linear actuator system (140) comprises a first cylinder (148), a second cylinder (150), and an output (144). 8. The restraint system (14) of claim 7, wherein a pneumatic actuation increases the pressure within the first cylinder (150) to actuate the restraint system (14) from the first position to the second position. 9. The restraint system (14) of claim 7, wherein a pyrotechnic actuation increases the pressure within the second cylinder (148) to actuate the restraint system (14) from the first or the second position to the third position. 10. An inertia reel (16) for a restraint system (14), comprising: a drive key (32) including one or more pneumatic ports (42, 44);a center shaft (34) including one or more pyrotechnic ports (52, 54); anda drum driver (28) positioned around the drive key (32) and the center shaft (34) and movable between a first position, a second position, and at least a third position. 11. The inertia reel (16) of claim 10, wherein a pneumatic actuation increases pressure supplied by the pneumatic ports (42, 44) to actuate the drum driver (28) from the first position to the second position. 12. The inertia reel (16) of claim 10, wherein a pyrotechnic actuation increases pressure supplied by the pyrotechnic ports (52, 54) to actuate the drum driver (28) from either the first or the second position to the third position. 13. The inertia reel (16) of claim 10, wherein the drive key (32) further comprises an actuation ridge (40) that engages a drive ridge (30) formed on the drum driver (28) when the drum driver (28) is in the first position. 14. The inertia reel (16) of claim 10, wherein the center shaft (34) further comprises a number (36) that engages a ridge (38) formed in the drive key (32) when the drum driver (28) is in the first position or the second position. 15. A linear actuator (140) for a restraint system (14), comprising: a compressed gas port (156) in communication with a first cylinder (150) and a piston (152);a pyrotechnic port (158) in communication with a second cylinder (148); andan output (144) coupled to the piston (152) and extending from the first and second cylinders (150, 148), the output (144) movable between a first position, a second position, and at least a third position. 16. The linear actuator (140) of claim 15, wherein pressure supplied to the compressed gas port (156) actuates the output (144) from the first position to the second position. 17. The linear actuator (140) of claim 15, wherein pressure supplied to the pyrotechnic port (158) actuates the output (144) from either the first position or the second position to the at least third position. 18. The linear actuator (140) of claim 15, further comprising a frangible section (162) positioned between the first cylinder (150) and a base (160). 19. The linear actuator (140) of claim 15, wherein the output (144) is coupled to a seat belt (22).
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