Passenger's weight measurement device for vehicle seat with improved accessibility
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60N-002/44
B60N-002/06
G01G-019/08
B60R-021/015
출원번호
US-0039458
(2011-03-03)
등록번호
US-8316982
(2012-11-27)
우선권정보
JP-2004-223456 (2004-07-30)
발명자
/ 주소
Endo, Shigeru
Sato, Kenji
출원인 / 주소
TS Tech Co., Ltd.
대리인 / 주소
Oliff & Berridge, PLC
인용정보
피인용 횟수 :
3인용 특허 :
79
초록▼
A vehicle seat includes a load sensor for measuring a load applied from an occupant and a seat cushion frame, wherein the seat cushion frame comprises right and left side frames extending in a front-and-rear direction, the load sensor is attached to the seat cushion frame, and a concave portion is f
A vehicle seat includes a load sensor for measuring a load applied from an occupant and a seat cushion frame, wherein the seat cushion frame comprises right and left side frames extending in a front-and-rear direction, the load sensor is attached to the seat cushion frame, and a concave portion is formed in at least one of the right and left side frames at a position opposite to the load sensor.
대표청구항▼
1. A vehicle seat, comprising: a load sensor for measuring a load applied from an occupant, the load sensor defining a main body and having a rod that projects from the main body; anda seat cushion frame,wherein the seat cushion frame comprises right and left side frames extending in a front-and-rea
1. A vehicle seat, comprising: a load sensor for measuring a load applied from an occupant, the load sensor defining a main body and having a rod that projects from the main body; anda seat cushion frame,wherein the seat cushion frame comprises right and left side frames extending in a front-and-rear direction,the load sensor is provided at the seat cushion frame,a spring member that supports the occupant is disposed between the right and left side frames, the spring member extending in the front-and-rear direction, andat least a part of the rod of the load sensor is disposed in a space between at least one of the right and left side frames and the spring member. 2. The vehicle seat as claimed in claim 1, wherein a portion of the load sensor and a portion of the spring member adjacent to the portion of the load sensor in a front-and-rear direction are disposed on a same horizontal plane. 3. The vehicle seat as claimed in claim 1, wherein: the load sensor is provided at a back part of the seat cushion frame, andthe load sensor is disposed more rearwardly than a front end of the spring member and more forwardly than a rear end of the spring member. 4. The vehicle seat as claimed in claim 1, wherein: a fastening member is fastened to the rod which projects from the main body of the load sensor, andthe fastening member is disposed in the space between the at least one of the right and left side frames and the spring member. 5. The vehicle seat as claimed in claim 1, further comprising an attachment member that attaches the load sensor to the seat cushion frame, wherein: the attachment member is structured as a separate member from the at least one of the right and left side frames, andan inner end of the attachment member is arranged inside of the at least one of the right and left side frames and outside of the spring member. 6. The vehicle seat as claimed in claim 1, wherein: the spring member comprises a plurality of spring members that are extended in a front-and-rear direction,each of the plurality of spring members is formed in an approximately S-shape having concave portions alternatively in a right-and-left direction when viewed from above, andthe load sensor is disposed so as to face one of the concave portions of the spring members that is provided at a closest position from the load sensor. 7. The vehicle seat as claimed in claim 6, wherein: the one of the concave portions that faces the load sensor and the rod are arranged so as to be on a same plane that is orthogonal to the right and left side frames in a right-and-left direction. 8. The vehicle seat as claimed in claim 6, wherein: the load sensor is provided at a back part of the seat cushion frame,rear ends of the plurality of spring members are attached to a rear connecting member that connects between back parts of the right and left side frames, andthe load sensor is arranged so as to face one of the concave portions that is closest to the rear connecting member. 9. The vehicle seat as claimed in claim 1, wherein: the load sensor is provided at a back part of the seat cushion frame,a rear end of the spring member is attached to a rear connecting member that connects between back parts of the right and left side frames,a pan frame is attached to the right and left side frames so as to cover a space between front upper parts of the right and left side frames, andthe load sensor is disposed more rearwardly than a rear end of the pan frame and more forwardly than the rear connecting member. 10. The vehicle seat as claimed in claim 1, further comprising an attachment member that attaches the load sensor to the seat cushion frame, wherein: the attachment member is structured as a separate member from the at least one of the right and left side frames,the rod is inserted in a hole that is formed in the attachment member and is fastened by a fastening member, andan inner end of the attachment member is arranged inside of the at least one of the right and left side frames and outside of the spring member. 11. The vehicle seat as claimed in claim 1, wherein: the load sensor comprises a connector portion that projects from the load sensor, andthe connector portion is disposed outside of the spring member that is closest to the load sensor. 12. The vehicle seat as claimed in claim 10, further comprising another load sensor that is disposed forward of the load sensor, wherein: the another load sensor is provided at a front part of the seat cushion frame, andthe another load sensor is disposed outside of a front end of the spring member. 13. The vehicle seat as claimed in claim 1, further comprising: another load sensor that is disposed forward of the load sensor; anda pan frame that is attached to the right and left side frames so as to cover a space between front upper parts of the right and left side frames, wherein:the another load sensor is disposed at a front part of the seat cushion frame,the another load sensor comprises a connector portion that projects rearward from the another load sensor, anda rear end of the connector portion is arranged more forwardly than a rear end of the pan frame. 14. The vehicle seat as claimed in claim 1, further comprising a rear connecting member that connects between back parts of the right and left side frames, wherein: a pan frame is attached to the right and left side frames so as to cover a space between front upper parts of the right and left side frames,the spring member comprises a plurality of spring members that are extended in a front-and-rear direction,rear ends of the plurality of spring members are attached to the rear connecting member and front ends of the plurality of spring members are attached to the pan frame, andthe load sensor is disposed outside of one of the plurality of spring members that is closest to the load sensor. 15. A vehicle seat, comprising: a load sensor for measuring a load applied from an occupant, which is provided at a seat cushion frame, the load sensor defining a main body and having a rod that projects from the main body;wherein the seat cushion frame comprises: right and left side frames extending in a front-and-rear direction;a front connecting member that connects between front parts of the right and left side frames; anda rear connecting member that connects between back parts of the right and left side frames,wherein:a spring member that supports the occupant is disposed between the right and left sideframes, the spring member extending in the front-and-rear direction,a rear end of the spring member is attached to the rear connecting member,a rear end of the load sensor is arranged more forwardly than the rear end of the spring member, andat least a part of the rod of the load sensor is disposed in a space between at least one of the right and left side frames and the spring member. 16. The vehicle seat as claimed in claim 15, wherein a portion of the load sensor and a portion of the spring member adjacent to the portion of the load sensor in a front-and-rear direction are disposed on a same horizontal plane. 17. The vehicle seat as claimed in claim 15, wherein: the load sensor is provided at a back part of the seat cushion frame, andthe load sensor is disposed more rearwardly than a front end of the spring member. 18. The vehicle seat as claimed in claim 15, wherein: a fastening member is fastened to the rod which projects from the main body of the load sensor, andthe fastening member is disposed in the space between the at least one of the right and left side frames and the spring member. 19. The vehicle seat as claimed in claim 15, further comprising an attachment member that attaches the load sensor to the seat cushion frame, wherein: the attachment member is structured as a separate member from the at least one of the right and left side frames, andan inner end of the attachment member is disposed inside of the at least one of the right and left side frames and outside of the spring member. 20. The vehicle seat as claimed in claim 15, wherein: the spring member comprises a plurality of spring members that are extended in a front-and-rear direction,each of the plurality of spring members is formed in an approximately S-shape having concave portions alternatively in a right-and-left direction when viewed from above, andthe load sensor is disposed so as to face one of the concave portions of the spring members that is provided at a closest position from the load sensor. 21. The vehicle seat as claimed in claim 20, wherein: the one of the concave portions that faces the load sensor and the rod are arranged so as to be on a same plane that is orthogonal to the right and left side frames in a right-and-left direction. 22. The vehicle seat as claimed in claim 20, wherein: the load sensor is provided at a back part of the seat cushion frame, andthe load sensor is disposed so as to face one of the concave portions that is closest to the rear connecting member. 23. The vehicle seat as claimed in claim 15, wherein: the load sensor is provided at a back part of the seat cushion frame,a pan frame is attached to the right and left side frames so as to cover a space between front upper parts of the right and left side frames, andthe load sensor is disposed more rearwardly than a rear end of the pan frame and more forwardly than the rear connecting member. 24. The vehicle seat as claimed in claim 15, further comprising an attachment member that attaches the load sensor to the seat cushion frame, wherein: the attachment member is structured as a separate member from the at least one of the right and left side frames,the rod is inserted in a hole that is formed in the attachment member and is fastened by a fastening member, andan inner end of the attachment member is arranged inside of the at least one of the right and left side frames and outside of the spring member. 25. The vehicle seat as claimed in claim 15, wherein: the load sensor comprises a connector portion that projects from the load sensor, andthe connector portion is disposed outside of the spring member that is closest to the load sensor. 26. The vehicle seat as claimed in claim 23, further comprising another load sensor that is disposed forward of the load sensor, wherein: the another load sensor is provided at a front part of the seat cushion frame, andthe another load sensor is disposed outside of a front end of the spring member. 27. The vehicle seat as claimed in claim 23, further comprising: another load sensor that is disposed forward of the load sensor; anda pan frame that is attached to the right and left side frames so as to cover a space between front upper parts of the right and left side frames, wherein:the another load sensor is provided at a front part of the seat cushion frame,the another load sensor comprises a connector portion that projects rearward from the another load sensor, anda rear end of the connector portion is arranged more forwardly than a rear end of the pan frame. 28. The vehicle seat as claimed in claim 15, further comprising a rear connecting member that connects between back parts of the right and left side frames, wherein: a pan frame is attached to the right and left side frames so as to cover a space between front upper parts of the right and left side frames,the spring member comprises a plurality of spring members that are extended in a front-and-rear direction,rear ends of the plurality of spring members are attached to the rear connecting member and front ends of the plurality of spring members are attached to the pan frame, andthe load sensor is disposed outside of one of the plurality of spring members that is closest to the load sensor. 29. A vehicle seat, comprising: right and left fixed rail members that are attachable to a vehicle;right and left movable frame members that are movably disposed respectively to the right and left fixed rail members, the right and left moveable frame members extending in a front-and-rear direction, the right movable frame member comprising a light movable rail member and a right side frame and the left movable frame member comprising a left movable rail member and a left side frame;a seat cushion frame that comprises a front connecting member that connects between front parts of the right and left movable frame members and a rear connecting member that connects between back parts of the right and left movable frame members; anda load sensor for measuring a load applied from an occupant, which is provided at the seat cushion frame, the load sensor defining a main body and having a rod that projects from the main body;wherein:at least a part of the rod of the load sensor is provided to at least one of the right and left movable frame members,a spring member that supports the occupant is disposed between the right and left movable frame members, the spring member extending in the front-and-rear direction, andat least a part of the rod of the load sensor is disposed in a space between the at least one of the right and left movable frame members and the spring member. 30. The vehicle seat as claimed in claim 29, wherein a portion of the load sensor and a portion of the spring member adjacent to the portion of the load sensor in a front-and-rear direction are disposed on a same horizontal plane. 31. The vehicle seat as claimed in claim 29, wherein: the load sensor is provided at a back part of the at least one of the right and left movable frame members, andthe load sensor is disposed more rearwardly than a front end of the spring member and more forwardly than a back end of the spring member. 32. The vehicle seat as claimed in claim 29, wherein: a fastening member is fastened to the rod which projects from the main body of the load sensor, andthe fastening member is disposed in the space between the at least one of the right and left side frames and the spring member. 33. The vehicle seat as claimed in claim 29, further comprising an attachment member that attaches the load sensor to the at least one of the right and left movable frame members, wherein: the attachment member is structured as a separate member from the at least one of the right and left movable frame members to which the load sensor is attached, andan inner end of the attachment member is arranged inside of the at least one of the right and left movable frame members to which the load sensor is attached and outside of the spring member. 34. The vehicle seat as claimed in claim 29, wherein: the spring member comprises a plurality of spring members that are extended in a front-and-rear direction,each of the plurality of spring members is formed in an approximately S-shape having concave portions alternatively in a right-and-left direction when viewed from above, andthe load sensor is disposed so as to face one of the concave portions of the spring members that is provided at a closest position from the load sensor. 35. The vehicle seat as claimed in claim 34, wherein: the one of the concave portions that faces the load sensor and the rod are arranged so as to be on a same plane that is orthogonal to the right and left side frames in a right-and-left direction. 36. The vehicle seat as claimed in claim 34, wherein: the load sensor is provided at a back part of the at least one of the right and left movable frame members,rear ends of the plurality of spring members are attached to the rear connecting member that connects between back parts of the right and left side frames, andthe load sensor is disposed so as to face one of the concave portions that is closest to the rear connecting member. 37. The vehicle seat as claimed in claim 29, wherein: the load sensor is provided at a back part of the at least one of the right and left movable frame members,a rear end of the spring member is attached to the rear connecting member that connects between back parts of the right and left side frames,a pan frame is attached to the right and left side frames so as to cover a space between front upper parts of the right and left side frames, andthe load sensor is disposed more rearwardly than a rear end of the pan frame and more forwardly than the rear connecting member. 38. The vehicle seat as claimed in claim 29, further comprising an attachment member that attaches the load sensor to the at least one of the right and left movable frame members, wherein: the attachment member is structured as a separate member from the at least one of the right and left movable frame members to which the load sensor is attached,the rod is inserted in a hole that is formed in the attachment member and is fastened by a fastening, member, andan inner end of the attachment member is arranged inside of the at least one of the right and left movable frame members to which the load sensor is attached and outside of the spring member. 39. The vehicle seat as claimed in claim 29, wherein: the load sensor comprises a connector portion that projects from the load sensor, andthe connector portion is disposed outside of the spring member that is closest to the load sensor. 40. The vehicle seat as claimed in claim 38, further comprising another load sensor that is disposed forward of the load sensor, wherein: the another load sensor is provided at a front part of at least one of the right and left movable frame members, andthe another load sensor is disposed outside of a front end of the spring member. 41. The vehicle seat as claimed in claim 29, further comprising: another load sensor that is disposed forward of the load sensor; anda pan frame that is attached to the right and left side frames so as to cover a space between front upper parts of the right and left side frames, wherein:the another load sensor is disposed at a front part of at least one of the right and left movable frame members,the another load sensor comprises a connector portion that projects rearward from the another load sensor, anda rear end of the connector portion is arranged more forwardly than a rear end of the pan frame. 42. The vehicle seat as claimed in claim 29, wherein: the rear connecting member connects between back parts of the right and left side frames,a pan frame is attached to the right and left side frames so as to cover a space between front upper parts of the right and left side frames,the spring member comprises a plurality of spring members that are extended in a front-and-rear direction,rear ends of the plurality of spring members are attached to the rear connecting member and front ends of the plurality of spring members are attached to the pan frame, andthe load sensor is disposed outside of one of the plurality of spring members that is closest to the load sensor. 43. The vehicle seat as claimed in claim 15, wherein a pan frame is attached at the right and left side frames so as to cover a space between front upper parts of the right and left side frames,the spring member comprises a plurality of spring members that extend in a front-and-rear direction,rear ends of the plurality of spring members are attached to the rear connecting member and front ends of the plurality of spring members are attached to the pan frame, andan end of the front connecting member that is attached to the at least one of the right and left side frames to which the load sensor is provided is disposed between the load sensor and the front ends of the spring members. 44. A vehicle seat, comprising: right and left fixed rail members that are attachable to a vehicle;right and left movable frame members that are movably disposed, respectively, to the right and left fixed rail members, the right and left moveable frame members extending in a front-and-rear direction, the right movable frame member comprising a right movable rail member and a right side frame and the left movable frame member comprising a left movable rail member and a left side frame;a seat cushion frame that comprises a front connecting member that connects between front parts of the right and left movable frame members and a rear connecting member that connects between back parts of the right and left movable frame members; anda load sensor for measuring a load applied from an occupant, which is provided at the seat cushion frame, the load sensor defining a main body and having a rod that projects from the main body;wherein:the load sensor is provided at a back part of at least one of the right and left movable frame members,a spring member that supports the occupant is disposed between the right and left movable frame members, the spring member extending in the front-and-rear direction,at least a part of the rod of the load sensor and the main body of the load sensor are disposed in a space between the at least one of the right and left movable frame members and the spring member,the load sensor and the spring member are disposed on a same horizontal plane,a rear end of the spring member is attached to the rear connecting member,a pan frame is attached to the right and left side frames so as to cover a space between front upper parts of the right and left side frames,the load sensor is disposed more rearwardly than a rear end of the pan frame and more forwardly than the rear connecting member,the vehicle seat further comprises an attachment member that attaches the load sensor to the at least one of the right and left movable frame members,the attachment member is structured as a separate member from the at least one of the right and left movable frame members to which the load sensor is attached,the load sensor comprises a rod portion that projects from the load sensor,the rod portion is inserted in a hole that is formed in the attachment member and is fastened by a fastening member,an inner end of the attachment member is arranged inside of the at least one of the right and left movable frame members to which the load sensor is attached and outside of the spring member,the spring member comprises a plurality of spring members that are extended in a front-and-rear direction,rear ends of the plurality of spring members are attached to the rear connecting member and front ends of the plurality of spring members are attached to the pan frame, andthe load sensor is disposed outside of one of the plurality of spring members that is closest to the load sensor. 45. A vehicle seat, comprising: right and left fixed rail members that are attachable to a vehicle;right and left movable frame members that are movably disposed, respectively, to the right and left fixed rail members, the right and left moveable frame members extending in a front-and-rear direction, the right movable frame member comprising a right movable rail member and a right side frame and the left movable frame member comprising a left movable rail member and a left side frame;a seat cushion frame that comprises a front connecting member that connects between front parts of the right and left movable frame members and a rear connecting member that connects between back parts of the right and left movable frame members;a load sensor for measuring a load applied from an occupant, which is provided at the seat cushion frame, the load sensor defining a main body and having a rod that projects from the main body;another load sensor that is disposed forward of the load sensor; anda pan frame that is attached to the right and left side frames so as to cover a space between front upper parts of the right and left side frames,wherein:the load sensor is provided to at least one of the right and left movable frame members,a spring member that supports the occupant is disposed between the right and left movable frame members, the spring member extending in the front-and-rear direction, andat least a part of the rod of the load sensor and the main body of the load sensor are disposed in a space between the at least one of the right and left movable frame members to which the load sensor is provided and the spring member,the vehicle seat further comprises an attachment member that attaches the load sensor to the at least one of the right and left movable frame members;the attachment member is structured as a separate member from the at least one of the right and left movable frame members to which the load sensor is attached,the load sensor comprises a rod portion that projects from the load sensor,the rod portion is inserted in a hole that is formed in the attachment member and is fastened by a fastening member, andan inner end of the attachment member is arranged inside of the at least one of the right and left movable frame members to which the load sensor is attached and outside of the spring member,the load sensor comprises a connector portion that projects from the load sensor,the connector portion is disposed outside of the spring member that is closest to the load sensor,the another load sensor is provided at a front part of at least one of the right and left movable frame members,the another load sensor is disposed outside of a front end of the spring member,the another load sensor comprises a connector portion that projects rearward from the another load sensor, anda rear end of the connector portion is arranged more forwardly than a rear end of the pan frame. 46. The vehicle seat as claimed in claim 15, wherein the load sensor is provided at a back part of the at least one of the right and left side frames, andthe rod of the load sensor is disposed more forwardly than the rear connecting member. 47. The vehicle seat as claimed in claim 29, wherein the load sensor is provided at a back part of the at least one of the right and left side frames, andthe rod of the load sensor is disposed more forwardly than the rear connecting member. 48. The vehicle seat as claimed in claim 1, wherein a portion of the spring member which faces the load sensor is lower than a fastening member. 49. The vehicle seat as claimed in claim 15, wherein a portion of the spring member which faces the load sensor is lower than a fastening member. 50. The vehicle seat as claimed in claim 29, wherein a portion of the spring member which faces the load sensor is lower than a fastening member. 51. The vehicle seat as claimed in claim 1, wherein the spring member curves downward at a position facing the main body of the load sensor. 52. A vehicle seat, comprising: a load sensor for measuring a load applied from an occupant, the load sensor defining a main body and having a rod that projects from the main body; anda seat cushion frame,wherein the seat cushion frame comprises right and left side frames extending in a front-and-rear direction,the load sensor is provided at the seat cushion frame,a spring member that supports the occupant is disposed between the right and left side frames, the spring member extending in the front-and-rear direction, andthe main body of the load sensor is disposed in a space between at least one of the right and left side frames and the spring member. 53. The vehicle seat as claimed in claim 52, wherein the load sensor is provided at a back part of the at least one of the right and left side frames,the vehicle seat comprises a rear connecting member that connects between back parts of the right and left side frames, andthe rod of the load sensor is disposed more forwardly than the rear connecting member. 54. The vehicle seat as claimed in claim 52, wherein the spring member curves downward at a position facing the main body of the load sensor. 55. The vehicle seat as claimed in claim 1, wherein a portion of the spring member near the load sensor is on the same horizontal plane as the main body of the load sensor. 56. The vehicle seat as claimed in claim 52, wherein a portion of the spring member near the load sensor is on the same horizontal plane as the main body of the load sensor. 57. The vehicle seat as claimed in claim 1, wherein a tip of a connector that outputs a signal is disposed between at least one of the right and left side frames and the spring member. 58. The vehicle seat as claimed in claim 52, wherein a tip of a connector that outputs a signal is disposed between at least one of the right and left side frames and the spring member. 59. The vehicle seat as claimed in claim 1, wherein a pan frame is provided so as to avoid the space between the load sensor that is provided at the side frame and the spring member that faces the load sensor in the right-and-left direction. 60. The vehicle seat as claimed in claim 52, wherein a pan frame is provided so as to avoid the space between the load sensor that is provided at the side frame and the spring member that faces the load sensor in the right-and-left direction.
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이 특허에 인용된 특허 (79)
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