PASSENGER'S WEIGHT MEASUREMENT DEVICE FOR VEHICLE SEAT

• US 20090301793A1
• Filed: 08/05/2009
• Published: 12/10/2009
• Est. Priority Date: 07/30/2004
• Status: Active Grant

• Current Assignee: TS Tech Company Limited
• Original Assignee: TS Tech Company Limited
• Inventors: ENDO, Shigeru, Sato, Kenji
• Granted Patent: US 8,011,715 B2
• Time in Patent Office: Days
• US Class Current: 177/136
• CPC Class Codes: B60N 2/002 Seats provided with an occupancy detection means mounted therein or thereon detection means responsive to presence or absence of children B60N2/266
• CPC Class Codes: B60N 2/0732 Attachment of seat frame to the slide, e.g. eyelets
• CPC Class Codes: B60N 2/4263 with anti-submarining systems
• CPC Class Codes: B60N 2/68 Seat frames
• CPC Class Codes: B60N 2/686 Panel like structures
• CPC Class Codes: B60R 21/015 including means for detecting the presence or position of passengers, passenger seats or child seats , and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
• CPC Class Codes: B60R 21/01512 Passenger detection systems
• CPC Class Codes: B60R 21/01516 using force or pressure sensing means
• CPC Class Codes: B60R 21/0152 using strain gauges
• CPC Class Codes: G01D 11/30 Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
• CPC Class Codes: G01G 19/08 for incorporation in vehicles
• CPC Class Codes: G01G 19/4142 for controlling activation of safety devices, e.g. airbag systems electrical circuits for triggering safety arrangements in case of vehicle accidents B60R21/015
• CPC Class Codes: G01L 5/00 Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes

Abstract

To realizes an easy maintenance of the load sensor.

A passenger'"'"'s weight measurement device 1 comprises a left and right pair of fixed lower rails 3 which are fixed on the vehicle floor, a left and right pair of movable upper rails 4 which are disposed to move in a front-and-rear direction on the fixed lower rail 3, load sensors 50 and 60 which are fixed to an upper surface of the right movable upper rail 4, load sensors 70 and 80 which are disposed on the movable upper rail 4 to be movable in a left-and-right direction with respect to the right movable upper rail 4, a sub frame 110 which is mounted on the load sensors 50, 60, 70, and 80, side frames 141 and 142 which are welded to the sub frame 110, and a pan frame 143 which is detachably disposed to the side frames 141 and 142 to cover the front of the side frames 141 and 142. A gouged section 151 is formed on the side frame 141.

Claims

1. A passenger'"'"'s weight measurement device for a vehicle seat, comprising:

a pair of right and left rail members, each of the rail members comprising a fixed rail that is fixable to a vehicle and a movable rail that is disposed to be movable in a front-and-rear direction on the fixed rail;

load sensors which are mounted to a front portion and a rear portion of each movable rail;

a first connecting member for connecting between rear load sensor attachment portions of the pair of right and left rail members, the rear load sensor attachment portions attaching rear load sensors; and

a second connecting member for connecting the pair of right and left rail members in front of the first connecting member;

wherein a plurality of elongated holes are formed in the connecting member, and

wherein a harness which is connected to connectors of the load sensors is applied to the second connecting member by clips.

4. The passenger'"'"'s weight measurement device as claimed in claim 1, wherein the second connecting member has a widest portion that is wider in the front-and-rear direction than the first connecting member.

5. The passenger'"'"'s weight measurement device as claimed in claim 1, wherein at least a part of a cross section of the second connecting member is formed in substantially a U-shape.

13. The passenger'"'"'s weight measurement device as claimed in claim 1, wherein the second connecting member is shorter in a right-and-left direction than the first connecting member.

17. The passenger'"'"'s weight measurement device as claimed in claim 1, wherein the second connecting member has a widest portion that is wider in the front-and-rear direction than the first connecting member, and a cross section of a bent part of the second connecting member is formed in substantially a U-shape.

21. The passenger'"'"'s weight measurement device as claimed in claim 1, wherein both end portions of the second connecting member are wider in the front-and-rear direction than both end portions of the first connecting member.

24. The passenger'"'"'s weight measurement device as claimed in claim 1, wherein a middle portion of the second connecting member is wider in the front-and-rear direction than a middle portion of the first connecting member.

27. The passenger'"'"'s weight measurement device as claimed in claim 1, wherein the second connecting member has a lowest portion that is lower than the first connecting member.

2. A passenger'"'"'s weight measurement device for a vehicle seat, comprising:

a pair of right and left rail members, each of the rail members comprising a fixed rail that is fixable to a vehicle and a movable rail that is disposed to be movable in a front-and-rear direction on the fixed rail;

load sensors which are mounted to a front portion and a rear portion of each movable rail;

a first connecting member for connecting between rear load sensor attachment portions of the pair of right and left rail members, the rear load sensor attachment portions attaching rear load sensors; and

a second connecting member for connecting the pair of right and left rail members in front of the first connecting member;

wherein a plurality of elongated holes are formed in the second connecting member,

wherein a harness which is connected to connectors of the load sensors is applied to the second connecting member by clips, and

wherein the connectors of the front load sensors mounted to the front portion of each movable rail are disposed so as to face rearward, and the connectors of rear load sensors mounted to the rear portion of each movable rail are disposed so as to face frontward.

6. The passenger'"'"'s weight measurement device as claimed in claim 2, wherein the second connecting member has a widest portion that is wider in the front-and-rear direction than the first connecting member.

7. The passenger'"'"'s weight measurement device as claimed in claim 2, wherein at least a part of a cross section of the second connecting member is formed in substantially a U-shape.

11. The passenger'"'"'s weight measurement device as claimed in claim 2, wherein the connectors of the front load sensors mounted to the front portion of each movable rail are disposed so as to face rearward along each movable rail, and the connectors of the rear load sensors mounted to the rear portion of each movable rail are disposed so as to face frontward along each movable rail.

14. The passenger'"'"'s weight measurement device as claimed in claim 2, wherein the second connecting member is shorter in a right-and-left direction than the first connecting member.

18. The passenger'"'"'s weight measurement device as claimed in claim 2, wherein the second connecting member has a widest portion that is wider in the front-and-rear direction than the first connecting member, and a cross section of a bent part of the second connecting member is formed in substantially a U-shape.

22. The passenger'"'"'s weight measurement device as claimed in claim 2, wherein both end portions of the second connecting member are wider in the front-and-rear direction than both end portions of the first connecting member.

25. The passenger'"'"'s weight measurement device as claimed in claim 2, wherein a middle portion of the second connecting member is wider in the front-and-rear direction than a middle portion of the first connecting member.

28. The passenger'"'"'s weight measurement device as claimed in claim 2, wherein a middle portion of the second connecting member is wider in the front-and-rear direction than a middle portion of the first connecting member.

3. A passenger'"'"'s weight measurement device for a vehicle seat, comprising:

a pair of right and left rail members, each of the rail members comprising a fixed rail that is fixable to a vehicle and a movable rail that is disposed to be movable in a front-and-rear direction on the fixed rail;

load sensors which are mounted to a front portion and a rear portion of each movable rail;

a first connecting member for connecting between rear load sensor attachment portions of the pair of right and left rail members, the rear load sensor attachment portions attaching rear load sensors; and

a second connecting member for connecting the pair of right and left rail members in front of the first connecting member;

wherein a plurality of elongated holes are formed in the second connecting member,

wherein a bent part which is bent downward from second connecting member attachment portions for attaching the second connecting member is formed at each of both and portions of the second connecting member,

wherein a harness which is connected to connectors of the load sensors is applied to the second connecting member by clips, and

wherein the connectors of the front load sensors mounted to the front portion of each movable rail are disposed so as to face rearward, and the connectors of rear load sensors mounted to the rear portion of each movable rail are disposed so as to face frontward.

8. The passenger'"'"'s weight measurement device as claimed in claim 3, wherein the second connecting member has a widest portion that is wider in the front-and-rear direction than the first connecting member.

9. The passenger'"'"'s weight measurement device as claimed in claim 3, wherein at least a part of a cross section of the second connecting member is formed in substantially a U-shape.

10. The passenger'"'"'s weight measurement device as claimed in claim 3, wherein a cross section of the bent part of the second connecting member is formed in substantially a U-shape.

12. The passenger'"'"'s weight measurement device as claimed in claim 3, wherein the connectors of the front load sensors mounted to the front portion of each movable rail are disposed so as to face rearward along each movable rail, and the connectors of the rear load sensors mounted to the rear portion of each movable rail are disposed so as to face frontward along each movable rail.

15. The passenger'"'"'s weight measurement device as claimed in claim 3, wherein the second connecting member is shorter in a right-and-left direction than the first connecting member.

16. The passenger'"'"'s weight measurement device as claimed in claim 10, wherein the connecting member is shorter in a right-and-left direction than the first connecting member.

19. The passenger'"'"'s weight measurement device as claimed in claim 3, wherein the second connecting member has a widest portion that is wider in the front-and-rear direction than the first connecting member, and a cross section of the bent part of the second connecting member is formed in substantially a U-shape.

20. The passenger'"'"'s weight measurement device as claimed in claim 19, wherein the second connecting member is shorter in a right-and-left direction than the first connecting member.

23. The passenger'"'"'s weight measurement device as claimed in claim 3, wherein both end portions of the second connecting member are wider in the front-and-rear direction than both end portions of the first connecting member.

26. The passenger'"'"'s weight measurement device as claimed in claim 3, wherein a middle portion of the second connecting member is wider in the front-and-rear direction than a middle portion of the first connecting member.

29. The passenger'"'"'s weight measurement device as claimed in claim 3, wherein a middle portion of the second connecting member is wider in the front-and-rear direction than a middle portion of the first connecting member.