Vehicle seat including load sensors between wall portions
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60R-021/015
G01G-019/08
B60N-002/06
B60N-002/44
B60N-002/07
G01L-005/00
G01G-019/414
B60N-002/00
B60N-002/42
G01D-011/30
출원번호
US-0601330
(2012-08-31)
등록번호
US-8822850
(2014-09-02)
우선권정보
JP-2004-223456 (2004-07-30)
발명자
/ 주소
Endo, Shigeru
Sato, Kenji
출원인 / 주소
TS Tech Co., Ltd.
대리인 / 주소
Oliff PLC
인용정보
피인용 횟수 :
2인용 특허 :
94
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 first load sensor and a second load sensor which measure a load applied from an occupant; anda first sensor attaching member and a second sensor attaching member to attach the first load sensor and the second load sensor, respectively, to the vehicle seat, the first
1. A vehicle seat, comprising: a first load sensor and a second load sensor which measure a load applied from an occupant; anda first sensor attaching member and a second sensor attaching member to attach the first load sensor and the second load sensor, respectively, to the vehicle seat, the first sensor attaching member and the second sensor attaching member being disposed below a seating surface of the occupant, whereinthe first load sensor and the second load sensor are located at different locations along a front-back direction,the first sensor attaching member comprises a first wall portion, a second wall portion and a third wall portion,the first wall portion has a first insertion hole through which a rod portion which projects from a main body of the first load sensor protrudes,the second wall portion and the third wall portion which extend from the first wall portion face each other,the main body of the first load sensor is located between the second wall portion and the third wall portion,the second sensor attaching member comprises a fourth wall portion, a fifth wall portion and a sixth wall portion,the fourth wall portion has a second insertion hole through which a rod portion which projects from a main body of the second load sensor protrudes,the fifth wall portion and the sixth wall portion which extend from the fourth wall portion face each other,the main body of the second load sensor is located between the fifth wall portion and the sixth wall portion,the first wall portion and the fourth wall portion are monolithically, integrally connected by a first extension wall that extends in the front-back direction, andat least one of the second wall portion and the third wall portion and at least one of the fifth wall portion and the sixth wall portion are monolithically, integrally connected by a second extension wall that extends in the front-back direction. 2. The vehicle seat as claimed in claim 1, wherein the second wall portion and the fifth wall portion are monolithically, integrally connected by the second extension wall, anda distance between the first wall portion and an outer edge of the second wall portion is longer than a distance between the first extension wall and an outer edge of the second extension wall. 3. The vehicle seat as claimed in claim 2, wherein the second load sensor is located more forward than the first load sensor,the second wall portion and the fifth wall portion are monolithically, integrally connected by the second extension wall,the third wall portion and the sixth wall portion are monolithically, integrally connected by a third extension wall, anda distance between the first wall portion and an outer edge of the second wall portion is longer than a distance between the first extension wall and an outer edge of the second extension wall. 4. The vehicle seat as claimed in claim 1, further comprising a rail member configured to allow the vehicle seat to slide in the front-back direction, wherein the first wall portion, the second wall portion and the rail member are disposed on a same vertical plane. 5. The vehicle seat as claimed in claim 3, further comprising a rail member configured to allow the vehicle seat to slide in the front-back direction, wherein the rail member includes an upper rail member and a lower rail member, andthe first wall portion, the second wall portion, the fourth wall portion, the fifth wall portion and the lower rail member are disposed on a same vertical plane. 6. The vehicle seat as claimed in claim 1, further comprising left and right side frames, wherein the main body of the first load sensor is disposed below at least one of the left and right side frames, andthe first insertion hole is located closer to a center of the vehicle seat in a left-right direction than the at least one of the left and right side frames. 7. The vehicle seat as claimed in claim 1, further comprising left and right side frames, wherein the main body of the first load sensor is disposed below at least one of the left and right side frames, andthe first insertion hole is located closer to a center of the vehicle seat in a left-right direction than the at least one of the left and right side frames,the third wall portion is located further from the at least one of the left and right side frames than the second wall portion, andthe third wall portion is located at a position further from the one of the left and right side frames than the first insertion hole. 8. The vehicle seat as claimed in claim 7, wherein a distance between the first wall portion and an outer edge of the third wall portion is longer than a distance between the first extension wall and an outer edge of the third extension wall. 9. The vehicle seat as claimed in claim 7, wherein a distance between the first wall portion and an outer edge of the third wall portion is longer than a distance between the first extension wall and an outer edge of the second extension wall. 10. The vehicle seat as claimed in claim 1, further comprising left and right side frames, wherein the main body of the second load sensor is disposed below a front section of at least one of the left and right side frames,the sixth wall portion is located at a position further from the at least one of the left and right side frames than the fifth wall portion, anda distance between the fourth wall portion and an outer edge of the sixth wall portion is shorter than a distance between the fourth wall portion and an outer edge of the fifth wall portion. 11. The vehicle seat as claimed in claim 1, further comprising left and right side frames, wherein the main body of the first load sensor is disposed below a back section of at least one of the left and right side frames,the main body of the second load sensor is disposed below a front section of the at least one of the left and right side frames,the sixth wall portion is located at a position further from the at least one of the left and right side frames than the fifth wall portion,a distance between the fourth wall portion and an outer edge of the sixth wall portion is shorter than a distance between the fourth wall portion and an outer edge of the fifth wall portion, andthe second insertion hole is located between the fifth wall portion and the sixth wall portion. 12. The vehicle seat as claimed in claim 1, further comprising left and right side frames, wherein the main body of the first load sensor is disposed below a back section of at least one of the left and right side frames,the main body of the second load sensor is disposed below a front section of the at least one of the left and right side frames,the second wall portion and the third wall portion extend in a direction parallel with an axis line of the rod portion of the first load sensor,the fifth wall portion and the sixth wall portion extend in the direction parallel with the axis line of the rod portion of the first load sensor,at least a part of the first load sensor is located between the second wall portion and the third wall portion, andat least a part of the second load sensor is located between the fifth wall portion and the sixth wall portion. 13. The vehicle seat as claimed in claim 1, further comprising left and right side frames, wherein the main body of the first load sensor is disposed below a back section of at least one of the left and right side frames,the main body of the second load sensor is disposed below a front section of the at least one of the left and right side frames, andan opening is formed at a front section of the at least one of the left and right side frames. 14. The vehicle seat as claimed in claim 1, further comprising left and right side frames, wherein the main body of the first load sensor is disposed below a back section of at least one of the left and right side frames,the main body of the second load sensor is disposed below a front section of the at least one of the left and right side frames, andan opening is formed in the at least one of the left and right side frames, the opening being positionable more forward than the first load sensor and more rearward than the second load sensor. 15. The vehicle seat as claimed in claim 13, further comprising a plate member which connects between front sections of the left and right side frames, the plate member being attached to upper sections of the left and right side frames, wherein the opening is formed below a position where the plate member is attached to the left and right side frames. 16. The vehicle seat as claimed in claim 13, wherein a width of the opening in the front-back direction is longer than a width of the main body of the second load sensor in the front-back direction. 17. The vehicle seat as claimed in claim 15, wherein the plate member is attached to the left and right side frames by a first attachment unit and a second attachment unit at least at a side where the second load sensor is located,the first attachment unit and the second attachment unit are located at different positions along the front-back direction, andat least a part of the opening is located between the first attachment unit and the second attachment unit in the front-back direction. 18. The vehicle seat as claimed in claim 13, further comprising: left and right rail members configured to allow the vehicle seat to slide in the front-back direction, the left and right rail members being formed of left and right upper rail members and left and right lower rail members; anda connecting member which connects between the left and right upper rail members, whereina connecting part where the connecting member is joined to either of the left and right upper rail members and the opening are located on a same vertical plane, the vertical plane being orthogonal to a longitudinal direction of the rail member. 19. The vehicle seat as claimed in claim 15, further comprising: left and right rail members configured to allow the vehicle seat to slide in the front-back direction, the left and right rail members being formed of left and right upper rail members and left and right lower rail members; anda connecting member which connects between the left and right upper rail members, whereinthe connecting member is located below the plate member,a connecting part where the connecting member is adjoined to either of the left and right upper rail members and the opening are located on a same vertical plane, the vertical plane being orthogonal to a longitudinal direction of the rail member, andthe connecting part is below the opening. 20. The vehicle seat as claimed in claim 14, wherein the opening has an oval shape. 21. The vehicle seat as claimed in claim 1, further comprising: left and right rail members configured to allow the vehicle seat to slide in the front-back direction, the left and right rail members being formed of left and right upper rail members and left and right lower rail members; anda connecting member which connects between the left and right upper rail members, whereinthe second load sensor is disposed more forward than the first load sensor,at least a part of the connecting member is formed of a cylindrical member, anda shaft center of the cylindrical member is positionable more backward than a shaft center of the rod portion of the second load sensor. 22. The vehicle seat as claimed in claim 1, further comprising: left and right side frames;left and right rail members configured to allow the vehicle seat to slide in the front-back direction, the left and right rail members being formed of left and right upper rail members and left and right lower rail members; anda connecting member which connects between the left and right upper rail members, whereinthe main body of the first load sensor is disposed below a back section of at least one of the left and right side frames,the main body of the second load sensor is disposed below a front section of the at least one of the left and right side frames,the sixth wall portion is located at a position further from the at least one of the left and right side frames than the fifth wall portion, andan end section of the connecting member and the sixth wall portion are located on a same vertical plane, the vertical plane being along a longitudinal direction of either of the left and right rail members. 23. A vehicle seat, comprising: a first load sensor and a second load sensor which measure a load applied from an occupant; anda first sensor attaching member and a second sensor attaching member to attach the first load sensor and the second load sensor, respectively, to the vehicle seat, the first sensor attaching member and the second sensor attaching member being disposed below a seating surface of the occupant, whereinthe first load sensor is located more backward than the second load sensor,the first sensor attaching member comprises a first wall portion, a second wall portion and a third wall portion,the first wall portion has a first insertion hole through which a rod portion which projects from a main body of the first load sensor protrudes,the second wall portion and the third wall portion which extend from the first wall portion face each other,the main body of the first load sensor is located between the second wall portion and the third wall portion,the second sensor attaching member comprises a fourth wall portion, a fifth wall portion and a sixth wall portion,the fourth wall portion has a second insertion hole through which a rod portion which extends from a main body of the second load sensor protrudes,the fifth wall portion and the sixth wall portion which extend from the fourth wall portion face each other,the main body of the second load sensor is located between the fifth wall portion and the sixth wall portion,the first wall portion and the fourth wall portion are monolithically, integrally connected by a first extension wall which extends in the front-back direction, andat least one of the second wall portion and the third wall portion and at least one of the fifth wall portion and the sixth wall portion are monolithically, integrally connected by a second extension wall which extends in the front-back direction. 24. The vehicle seat as claimed in claim 23, wherein the second wall portion and the fifth wall portion are monolithically, integrally connected by the second extension wall, anda distance between the first wall portion and an outer edge of the second wall portion is longer than a distance between the first extension wall and an outer edge of the second extension wall. 25. The vehicle seat as claimed in claim 23, wherein the second load sensor is located more forward than the first load sensor,the second wall portion and the fifth wall portion are monolithically, integrally connected by the second extension wall,the third wall portion and the sixth wall portion are monolithically, integrally connected by the third extension wall, anda distance between the first wall portion and an outer edge of the second wall portion is longer than a distance between the first extension wall and an outer edge of the second extension wall. 26. The vehicle seat as claimed in claim 1, further comprising: left and right lower rail members;left and right movable members configured to slide along upper parts of the left and right lower rail members in the front-back direction; anda connecting member which connects between front sections of the left and right movable members, whereineach of both end sections of the connecting member in a left-right direction includes a bent part which bends upward with respect to a central section in the left-right direction. 27. The vehicle seat as claimed in claim 1, further comprising: left and right lower rail members;left and right movable members configured to slide along upper parts of the left and right lower rail member in the front-back direction; anda connecting member which connects between front sections of the left and right movable members, wherein the second load sensor is located more forward than the first load sensor,the at least one end side of the connecting member in the left-right direction is located above the main body of the second load sensor, andthe at least one end side of the connecting member in the left-right direction includes a bent part which bends upward. 28. The vehicle seat as claimed in claim 1, further comprising: left and right lower rail members;left and right movable members configured to slide along upper parts of the left and right lower rail members in the front-back direction;a first connecting member which connects between front sections of the left and right movable members;a second connecting member which connects between front sections of the left and right movable members;left and right side frames; anda plate member which connects between front sections of the left and right side frames which constitute the left and right movable members, whereinthe second load sensor is located more forward than the first load sensor,at least a part of the second connection member is formed of a cylindrical member, andthe first connecting member and the second connecting member are located below the plate member. 29. A vehicle seat, comprising: a first load sensor and a second load sensor which measure a load applied from an occupant;a first sensor attaching member and a second sensor attaching member to attach the first load sensor and the second load sensor, respectively, to the vehicle seat, the first sensor attaching member and the second sensor attaching member being disposed below a seating surface of the occupant;left and right side frames; anda plate member which connects between front sections of the left and right side frames, whereinthe first load sensor and the second load sensor are located at different locations along a front-back direction,the first sensor attaching member comprises a first wall portion, a second wall portion and a third wall portion,the first wall portion has a first insertion hole through which a rod portion which projects from a main body of the first load sensor protrudes,the second wall portion and the third wall portion which extend from the first wall portion face each other,the main body of the first load sensor is located between the second wall portion and the third wall portion,the second sensor attaching member comprises a fourth wall portion, a fifth wall portion and a sixth wall portion,the fourth wall portion has a second insertion hole through which a rod portion which projects from a main body of the second load sensor protrudes,the fifth wall portion and the sixth wall portion which extend from the fourth wall portion face each other,the main body of the second load sensor is located between the fifth wall portion and the sixth wall portion,the first wall portion and the fourth wall portion are monolithically, integrally connected by a first extension wall that extends in the front-back direction,at least one of the second wall portion and the third wall portion and at least one of the fifth wall portion and the sixth wall portion are monolithically, integrally connected by a second extension wall that extends in the front-back direction,the main body of the first load sensor is disposed below a back section of at least one of the left and right side frames,the main body of the second load sensor is disposed below a front section of the at least one of the left and right side frames,an opening is formed at a front section of the at least one of the left and right side frames, anda width of the opening in the front-back direction is longer than a width of the main body of the second load sensor in the front-back direction. 30. A vehicle seat, comprising: a first load sensor and a second load sensor which measure a load applied from an occupant;a first sensor attaching member and a second sensor attaching member to attach the first load sensor and the second load sensor, respectively, to the vehicle seat, the first sensor attaching member and the second sensor attaching member being disposed below a seating surface of the occupant;left and right rail members configured to allow the vehicle seat to slide in a front-back direction, the left and right rail members being formed of left and right upper rail members and left and right lower rail members;a connecting member which connects between the left and right upper rail members; andleft and right side frames, wherein the first load sensor and the second load sensor are located at different locations along the front-back direction,the first sensor attaching member comprises a first wall portion, a second wall portion and a third wall portion,the first wall portion has a first insertion hole through which a rod portion which projects from a main body of the first load sensor protrudes,the second wall portion and the third wall portion which extend from the first wall portion face each other,the main body of the first load sensor is located between the second wall portion and the third wall portion,the second sensor attaching member comprises a fourth wall portion, a fifth wall portion and a sixth wall portion,the fourth wall portion has a second insertion hole through which a rod portion which projects from a main body of the second load sensor protrudes,the fifth wall portion and the sixth wall portion which extend from the fourth wall portion face each other,the main body of the second load sensor is located between the fifth wall portion and the sixth wall portion,the first wall portion and the fourth wall portion are monolithically, integrally connected by a first extension wall that extends in a front-back direction,at least one of the second wall portion and the third wall portion and at least one of the fifth wall portion and the sixth wall portion are monolithically, integrally connected by a second extension wall that extends in the front-back direction,the second load sensor is disposed more forward than the first load sensor,at least a part of the connecting member is formed of a cylindrical member,a shaft center of the cylindrical member positionable more backward than a shaft center of the rod portion of the second load sensor,the main body of the first load sensor is disposed below a back section of at least one of the left and right side frames,the main body of the second load sensor is disposed below a front section of the at least one of the left and right side frames,the sixth wall portion is located at a position further from the at least one of the left and right side frames than the fifth wall portion, andan end section of the connecting member and the sixth wall portion are located on a same vertical plane, the vertical plane being along a longitudinal direction of either of the left and right rail members. 31. A method of using a vehicle seat, the method comprising: fixing the vehicle seat as claimed in claim 1 to a vehicle. 32. A method of using a vehicle seat, the method comprising: fixing the vehicle seat as claimed in claim 23 to a vehicle. 33. A method of using a vehicle seat, the method comprising: fixing the vehicle seat as claimed in claim 29 to a vehicle. 34. A method of using a vehicle seat, the method comprising: fixing the vehicle seat as claimed in claim 30 to a vehicle. 35. A method of assembling a vehicle seat, the method comprising: attaching to the vehicle seat, by way of a first sensor attaching member located below a seating surface of an occupant of the vehicle seat, a first load sensor that measures a load applied from the occupant so that (1) a rod portion that projects from a main body of the first load sensor protrudes through a first insertion hole of a first wall portion of the first sensor attaching member, and (2) the main body of the first load sensor is located between a second wall portion and a third wall portion of the first sensor attaching member, the second wall portion and the third wall portion extending from the first wall portion to face each other; andattaching to the vehicle seat, by way of a second sensor attaching member located below the seating surface of the occupant, a second load sensor that measures the load applied from the occupant so that (1) the first load sensor and the second load sensor are located at different locations along a front-back direction, (2) a rod portion that projects from a main body of the second load sensor protrudes through a second insertion hole of a fourth wall portion of the second sensor attaching member, and (3) the main body of the second load sensor is located between a fifth wall portion and a sixth wall portion of the second sensor attaching member, the fifth wall portion and the sixth wall portion extending from the fourth wall portion to face each other, whereinthe first wall portion and the fourth wall portion are monolithically, integrally connected by a first extension wall that extends in the front-back direction, andat least one of the second wall portion and the third wall portion and at least one of the fifth wall portion and the sixth wall portion are monolithically, integrally connected by a second extension wall that extends in the front-back direction. 36. The method as claimed in claim 35, wherein the first and second load sensors are attached to the vehicle seat so that the first load sensor is located more rearward than the second load sensor. 37. A method of assembling a vehicle seat, the method comprising: connecting front sections of left and right side frames of the vehicle seat with a plate member;attaching to the vehicle seat, by way of a first sensor attaching member located below a seating surface of an occupant of the vehicle seat, a first load sensor that measures a load applied from the occupant so that (1) a rod portion that projects from a main body of the first load sensor protrudes through a first insertion hole of a first wall portion of the first sensor attaching member, (2) the main body of the first load sensor is located between a second wall portion and a third wall portion of the first sensor attaching member, the second wall portion and the third wall portion extending from the first wall portion to face each other, and (3) the main body of the first load sensor is located below a back section of at least one of the left and right side frames; andattaching to the vehicle seat, by way of a second sensor attaching member located below the seating surface of the occupant, a second load sensor that measures the load applied from the occupant so that (1) the first load sensor and the second load sensor are located at different locations along a front-back direction, (2) a rod portion that projects from a main body of the second load sensor protrudes through a second insertion hole of a fourth wall portion of the second sensor attaching member, (3) the main body of the second load sensor is located between a fifth wall portion and a sixth wall portion of the second sensor attaching member, the fifth wall portion and the sixth wall portion extending from the fourth wall portion to face each other, and (4) the main body of the second load sensor is located below a front section of the at least one side frame, whereinthe first wall portion and the fourth wall portion are monolithically, integrally connected by a first extension wall that extends in the front-back direction,at least one of the second wall portion and the third wall portion and at least one of the fifth wall portion and the sixth wall portion are monolithically, integrally connected by a second extension wall that extends in the front-back direction, anda width in the front-back direction of an opening formed at a front section of the least one side frame is longer than a width of the main body of the second load sensor in the front-back direction. 38. A method of assembling a vehicle seat, the method comprising: attaching left and right upper rail members to left and right lower rail members to form left and right rail members configured to allow the vehicle seat to slide in a front-back direction;connecting the left and right upper rail members with a connecting member, at least a part of which is formed of a cylindrical member;attaching to the vehicle seat, by way of a first sensor attaching member located below a seating surface of an occupant of the vehicle seat, a first load sensor that measures a load applied from the occupant so that (1) a rod portion that projects from a main body of the first load sensor protrudes through a first insertion hole of a first wall portion of the first sensor attaching member, (2) the main body of the first load sensor is located between a second wall portion and a third wall portion of the first sensor attaching member, the second wall portion and the third wall portion extending from the first wall portion to face each other, and (3) the main body of the first load sensor is located below a back section of at least one of left and right side frames of the vehicle seat; andattaching to the vehicle seat, by way of a second sensor attaching member located below the seating surface of the occupant, a second load sensor that measures the load applied from the occupant so that (1) the second load sensor is disposed more forward than the first load sensor along the front-back direction, (2) a rod portion that projects from a main body of the second load sensor protrudes through a second insertion hole of a fourth wall portion of the second sensor attaching member, (3) the main body of the second load sensor is located between a fifth wall portion and a sixth wall portion of the second sensor attaching member, the fifth wall portion and the sixth wall portion extending from the fourth wall portion to face each other, and the sixth wall portion being located at a position further from the at least one side frame than the fifth wall portion, (4) a shaft center of the cylindrical member is more rearward than a shaft center of the rod portion of the second load sensor, and (5) the main body of the second load sensor is located below a front section of the at least one side frame, whereinthe first wall portion and the fourth wall portion are monolithically, integrally connected by a first extension wall that extends in the front-back direction,at least one of the second wall portion and the third wall portion and at least one of the fifth wall portion and the sixth wall portion are monolithically, integrally connected by a second extension wall that extends in the front-back direction, andan end section of the connecting member and the sixth wall portion are located on a same vertical plane that is along a longitudinal direction of either of the left and right rail members.
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이 특허에 인용된 특허 (94)
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