WO2005012849A1 - シート上荷重検出装置 - Google Patents
シート上荷重検出装置 Download PDFInfo
- Publication number
- WO2005012849A1 WO2005012849A1 PCT/JP2004/010655 JP2004010655W WO2005012849A1 WO 2005012849 A1 WO2005012849 A1 WO 2005012849A1 JP 2004010655 W JP2004010655 W JP 2004010655W WO 2005012849 A1 WO2005012849 A1 WO 2005012849A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- seat
- load
- locking rod
- cushion frame
- load detecting
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000004907 flux Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000256856 Vespidae Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/40—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight
- G01G19/413—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means
- G01G19/414—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means using electronic computing means only
- G01G19/4142—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means using electronic computing means only for controlling activation of safety devices, e.g. airbag systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/70—Upholstery springs ; Upholstery
- B60N2/7094—Upholstery springs
Definitions
- the present invention relates to an on-seat load detecting device for detecting a load acting on a seat, and more particularly to an on-seat load detecting device provided with a load sensor in a frame constituting a seat frame.
- a cushion having a cushioning property in a seat cushion frame serving as a seat frame is used to detect whether or not a seated person is seated on a seat and to detect a load acting on the seat cushion.
- a panel is provided, and this cushion spring is stretched to the seat cushion frame by a right-left force and a leaf spring against a seating surface of the seat, and a load sensor is provided in a part thereof (for example, see Patent Reference 1).
- the load sensor is fixed to the inside of the side surface of the seat cushion frame by a bolt.
- the cushion panel has a planar shape with panel wires embedded vertically and horizontally, and is composed of a main member and multiple sub-members (coil springs) attached to the outside.
- the sub members which are coil springs, are each locked at one end to the left and right sides of the seating surface with respect to the chair member, and the other end is locked to the seat cushion frame.
- a load sensor is provided on one of the sub-members so as to detect one radius of the plurality of sub-members.
- Patent Document 1 JP 2001-180353 A
- the present invention has been made in view of the above problems, and has as its object to provide a configuration capable of accurately detecting a load while suppressing an increase in cost.
- a technical measure taken to solve the above-mentioned problem is that an on-seat load detecting device that detects a load acting on a seat by a load detecting means is provided in a seat cushion frame serving as a seat skeleton.
- a locking rod for locking a plurality of cushion springs having cushioning properties is provided, and the load detecting means is provided between the locking rod and the seat cushion frame.
- a pair of load detecting means is provided for the locking rod.
- the load detecting means is a flexible member provided with a load sensor, and one end of the flexible member is supported by the seat cushion frame, and the locking rod is rotatably supported by the other end.
- the load detecting means includes a cylindrical body having a load sensor therein and having a variable internal volume.
- one end of the tubular body may be supported by the seat cushion frame, and the rod may be rotatably supported by the other end, so that the internal volume is variable when a load is applied.
- the load sensor be configured to detect a load by detection using a Hall element or a change in a resistor.
- an on-seat load detecting device that detects a load acting on a seat by a load detecting means includes a seat cushion frame serving as a seat skeleton, A flexible member engaged with the seat cushion frame, a locking rod locked by the flexible member, and a plurality of cushion panels engaged with the locking rod; Wherein the load sensor is mounted.
- the locking rod is provided on one side or both sides of the seat cushion frame, which is preferably provided on at least one of the front side and the rear side of the seat cushion frame. That's good ,.
- the cushion spring preferably has a corrugated shape.
- the technical measures taken to solve the above-mentioned problems include a seat cushion frame serving as a seat skeleton, a seat cushion frame serving as a seat frame, A flexible member engaged with the frame, a locking rod locked to the flexible member, and a plate member connected to the locking rod and receiving a load acting on the seat;
- the teaching is that the flexible member is provided with the load sensor.
- the locking rod is provided on one side or both sides of the seat cushion frame, which is preferably provided on at least one of the front side and the rear side of the seat cushion frame. That's good ,.
- the seat cushion frame and the plate member are preferably engaged by a panel.
- the locking rod and the plate member are engaged by a panel.
- a plurality of cushion panels having cushioning properties can be collectively locked by the locking rod for locking, and the collected load can be increased. Can be.
- load detection means does not need to be provided for each cushion panel for load detection, it is possible to adopt a configuration that can detect load at low cost, and reduce the load escaping to the seat tack frame compared to the past. Thus, accurate load detection can be performed.
- the load detecting means is provided as a pair with respect to the locking rod. For this reason, the locking rod can be supported by both ends, and the load acting on the locking rod can be detected by the sum of the pair of load detecting means.
- the load detecting means is constituted by a flexible member provided with a load sensor, one end of the flexible member is supported by the seat cushion frame, and the other end is engaged by the other end.
- the stop rod is rotatably supported.
- the load detecting means includes the load sensor inside,
- the load consists of a cylindrical body with a variable volume.
- One end of the cylindrical body is supported by a seat cushion frame, and the other end rotatably supports a rod.
- the internal volume is variable.
- the load applied to the cushion panel is transmitted to the load detecting means, and the internal volume of the cylindrical body can be changed according to the magnitude of the load. Further, the load can be detected with high accuracy by the load sensor detecting a state where the internal volume is variable.
- the load sensor is configured to detect a load by detection using a Hall element or a change in a resistor.
- a Hall element is provided inside the cylindrical body, and a permanent magnet is provided at a position facing the Hall element, and a change in magnetic flux is detected by the Hall element, or a resistor is formed on the inner side surface of the cylindrical body.
- a plurality of cushion panels are engaged with the locking rod, so that the load applied to the cushion panel is collected by the locking rod. You. Then, the load collected by the locking rod is transmitted to the flexible member, and is detected by the load sensor attached to the flexible member. For this reason, since it is not necessary to provide a load sensor on each cushion panel, low cost can be realized. Further, the load escaping to the seat cushion frame is reduced as compared with the conventional on-seat load detecting device, so that accurate load detection can be performed.
- the locking rod force is provided on at least one of the front side and the rear side of the seat cushion frame, or is provided on one side or the side of the seat cushion frame. It is provided on both sides. Therefore, distortion due to the load is surely generated between the locking rod and the seat cushion frame.
- the cushion panel is engaged with the locking rod at equal intervals. Therefore, the load applied to the cushion panel is uniformly transmitted to the locking rod.
- the curved portion is most likely to be distorted. Therefore, an accurate load can be detected by the load detection sensor provided on the curved portion.
- the load applied to the seat can be widely collected by the wavy cushion panel.
- the load applied to the plate member is collected by the locking rod. Then, the load collected by the locking rod is transmitted to the flexible member, and is detected by the load sensor attached to the flexible member. Therefore, the load applied to the sheet can be widely collected by the plate member. Further, compared to the conventional on-seat load detecting device, the load escaping to the seat cushion frame is reduced, and accurate load detection can be performed.
- the locking rod force is provided on at least one of the front side and the rear side of the seat cushion frame, or one side or both sides of the seat cushion frame. Therefore, distortion due to the load is surely generated between the locking rod and the seat cushion frame.
- the seat cushion frame and the plate member are engaged by the panel, or the locking rod and the plate member are engaged by the panel, and
- the cushioning property can be improved.
- FIG. 1 is a perspective view showing a seat skeleton showing a configuration of an on-seat load detection device 10 in a vehicle.
- FIG. 2 shows a state in which a seat skin and a headrest 5 are provided in the configuration shown in FIG.
- the front side left side in FIG. 2
- the rear side Figure 2 right Side
- both sides of the seating surface 4 are set to the left and right directions.
- a seat 1 fixed to a vehicle floor via a bracket or the like mainly includes a seat cushion 3 having a seating surface 4 and a seat cushion 3 having a seating surface 4 with respect to the seat cushion 3.
- the seat back 2 is configured to be rotatable rearward, and a headrest 5 and a force that can move up and down with respect to the seat back 2.
- the interior of the seat 1 is composed of a seat cushion frame 11 forming a skeleton of the seat cushion 3 and a seat back frame 12 forming a skeleton of the seat back.
- the seat cushion frame 11 serves as a seat skeleton of the seating surface 4, is made of a rigid body, has a rectangular shape, and has an open interior.
- connecting rods 13 are provided at both rear ends of the seat cushion frame 11 to secure rigidity in the left and right directions behind the seating surface 4.
- a plurality of (for example, four in FIG. 1) cushion springs 17 having a predetermined panel constant having a wavy shape are provided in the opening 14 in order to provide cushioning when a person sits on the seat cushion 3.
- the cushioning spring 17 is provided in parallel with the seating surface 4 in the left-right direction. That is, one end of the cushion panel 17 is respectively locked by a locking rod 15 provided in front of the seating surface 4, is connected at equal intervals, and the other end of the cushion spring 17 is provided behind the seating surface 4.
- the locking rods 16 are respectively locked and connected.
- the front and rear locking rods 15 and 16 have a pipe shape with the same length and the same diameter, and are slightly shorter than the length of the opening 14 in the left-right direction.
- Each of the cushion springs 17 has a substantially U-shaped end hooked and locked at a predetermined position of the locking rods 15 and 16.
- the locking rods 15 and 16 may be locked only, or the locking rods 15 and 16 may be locked to one side or both sides of the seat cushion frame 11. Let's do it.
- the locking rod 15 is supported and attached to the seat cushion frame 11 via a pair of flexible members 21 provided on the left and right sides of the seating surface 4 in front of the seat cushion frame 11. .
- the flexible member (front load detecting means) 21 detects a load in front of the seating surface 4 and has a shape shown in FIG.
- the flexible member 21 is a single plate (for example, a predetermined thickness). Is bent into a substantially U-shape to form a flexible portion 25 to which the load sensor 8 is attached, and the end is roll-formed into a cylindrical shape to form a cylindrical portion 23.
- the pin 22 is erected vertically on a U-shaped horizontal surface 24.
- the flexible member 21 is welded to the flexible part 25 so that the cylindrical part 23 is not deformed when a load is applied, the cylindrical part 23 is good.
- a locking rod 15 is inserted through a cylindrical portion 23, and a pin 22 is provided in a mounting hole provided at a predetermined position near the periphery of the open end of the seat cushion frame 11.
- the flexible member 21 is attached to the seat cushion frame 11 by being inserted upward from below and the inserted pin 22 being fixed from above by using a fixing member such as a nut.
- a load sensor 8 for detecting deformation of the flexible portion 25 is attached to the flexible portion 25.
- the substantially U-shaped flexible member 21 has a curved portion 21a, and the load sensor 8 is attached to the curved portion 21a.
- the load sensor 8 may be attached to the inside of the curved portion 21a or may be attached to the outside thereof.
- a flexible member 31 is provided between the locking rod 16 and the connecting rod 13 provided behind the seating surface 4.
- a pair of flexible members 31 are provided on the left and right sides of the seating surface 4 behind the seat cushion frame 11, and the rear load of the seating surface 4 can be detected by the pair of flexible members 31.
- the flexible member (rear load detecting means) 31 has a shape shown in FIG.
- the flexible member 31 is formed by bending a single plate plate (for example, an iron plate having a predetermined thickness) into a substantially U-shape to form a flexible portion 35 to which the load sensor 9 is attached.
- the cylindrical portions 32 and 33 are formed by rolling into a cylinder outward. In this case, welding or the like should be performed on the flexible portion 35 so that the cylindrical portions 32 and 33 do not deform when a load is applied.
- the flexible portion 35 and the cylindrical portions 32 and 33 can be formed separately from each other, and they can be integrated by welding or the like. is there.
- the substantially U-shaped flexible member 31 has a curved portion 31a, and the load sensor 9 is attached to the curved portion 31a.
- the load sensor 9 may be mounted inside the curved portion 31a. It may be attached to the outside of the lintel.
- the flexible member 31 is provided behind the seat cushion frame 11 as shown in FIG. 5, and detects a rear load.
- the locking rod 16 is passed through the lower cylindrical portion 33, and the connecting rod 16 attached to the seat cushion frame 11 is passed through the upper cylindrical portion 32.
- one end of a plurality of parallel cushion panels 17 is connected to a locking rod 15, the other end is connected to a locking rod 16, and the two locking rods 15, 16 are provided in the left-right direction.
- the pair of flexible members 21 are supported in the front-rear direction. Due to the spring force of the cushion spring 17, the state shown in FIG. 5 (for example, the cushion panel 17 is pulled in a horizontal state and extended in the vertical direction shown in FIG. (The state in which the located flexible portions 25 and 35 are not displaced in the vertical direction).
- the front cylindrical portion 23 rotatably supports the locking rod 15 inserted into the cylindrical portion 23, and the rear cylindrical portion 33 rotatably supports the locking rod 16 with respect to the seat cushion frame 11.
- the flexible member 31 is also rotatably supported by the cylindrical portion 32 through which the connecting rod 13 is inserted.
- a load sensor 9 for detecting deformation of the flexible portion 35 is attached to the flexible portion 35.
- the locking rod 16 that locks and connects the rear ends of the plurality of cushion panels 17 is moved by the load from the state shown in FIG. Pushed down It is. Then, the cylindrical portion 32 rotates clockwise around the cylindrical portion 32 through which the connecting rod 13 passes. Then, the cylindrical portion 33 that supports the rear end of the lower cushion spring 17 with the locking rod 16 rotates counterclockwise by the elastic force of the flexible member 31. Then, the cylindrical portion 33 of the flexible member 31 descends downward in the same direction as the load acting according to the magnitude of the load. At the same time, the U-shaped flexible portion 35 expands as shown in FIG. 6, and its displacement can be detected by the load sensor 9 attached to the flexible portion 35.
- load sensors for example, strain gauges
- the flexible portions 25 and 35 are displaced against the urging force in substantially the same direction as the input direction of the load to the cushion spring 17.
- the spring constant of the flexible portions 25 and 35 it is easy to set the displacement amount of the flexible portions 25 and 35 according to the magnitude of the load.
- the mounting intersections of the seat cushion frame 11, the cushion spring 17, and the flexible members 21, 31 can be absorbed by the flexible portions 25, 35.
- the structure for detecting the load acting on the seating surface 4 with respect to the seat cushion frame 11 is also applied to the seat back frame 12, which is the skeleton of the seat back 2, so that the backrest portion can be more accurate. Load detection is possible.
- a plurality of cushion springs 17 provided in the front-back direction with respect to the seating surface 4 in the seat cushion frame 11 and a cushion spring 20 having a cushioning property of the backrest in the seat back frame 12 are moved in the left and right directions. When it is arranged, the hold property is improved.
- the second embodiment is a modification of FIG. 5, and the configuration is shown in FIG.
- the flexible members 21 and 31 that support the cushion panel 17 from the front and rear with respect to the seating surface 4 are curved flexible portions in which load displacement is likely to occur.
- the force S in which the load sensors 8 and 9 are provided for the respective 25 and 35, and the load sensors 8 and 9 can also be provided on the horizontal portion 24 extending from the movable portions 25 and 35.
- Hall elements 36, 37 for detecting a change in magnetic flux are fixed to one side of the horizontal portion 24, and permanent magnets 38 for generating magnetic flux at positions opposite to the Hall elements 36, 37 are fixed to the other side. , 39 are provided.
- the load applied to the seat cushion 3 can be detected.
- This configuration is good if the Hornet elements 36 and 37 and the permanent magnets 38 and 39 are provided for the flexible members 21 and 31, so the load on the seating surface 4 acting on the seat cushion 3 can be reduced by a simple configuration.
- Loads can be detected by the Hall elements 36, 37 which are collected by the locking rods 15, 16 and serve as load detecting means.
- the two locking rods 15, 16 are detected by the radius of the flexible members 21, 31, but in the third embodiment, the flexible members 21, 31 are detected. It consisted of piston-type load detection devices (load detection means) 40 and 49 instead of the above. That is, the front load acting on the seating surface 4 is detected by the load detection device 40 provided in the front, and the rear load acting on the seating surface 4 is detected by the load detection device 49 provided in the rear.
- load detection means load detection means
- the load detecting device 40 includes a main body 41 serving as a base, a movable part 42 having a cylindrical part 48 that can be expanded and contracted in one direction with respect to the main body 41, a main body 41 and a movable part. Between 42 And a permanent magnet 45 provided in a space in which the internal capacity formed by the spring 43, the main body 41 and the movable portion 42 is variable. It can be expanded and contracted by a predetermined amount (predetermined stroke) with respect to 41.
- the load detecting device 40 has a variable internal capacity, so that the distance between the permanent magnet 45 provided in each of the main body portion 41 and the movable portion 42 and the Hall element 44 is equal to the main body portion 41 of the movable portion 42.
- the magnetic flux changes from the permanent magnet 45 passing through the Hall element 44 and changes according to the position with respect to the position, so that the load can be detected from the displacement amount.
- the magnetic flux detected by the Hall element 44 can be adjusted by adjusting the height of the cylindrical portion 48.
- a load detecting device 40 for example, in the front, for example, the main body 41 is fixed to the back side of the periphery of the opening 14 of the seat cushion frame 11 by a bolt or the like, and the movable portion 42 is provided in front of the seating surface 4. It is configured to support the locking rod 15 that receives a load.
- a cylindrical portion 32 is integrally formed above the main body portion 41, the connecting rod 13 is passed through the cylindrical portion 32, and the load detecting device 40 is connected by the connecting rod 13. It is rotatably supported by the rod 13.
- a cylindrical portion 33 is formed integrally with the lower movable portion 42, through which a locking rod 16 that collects a load acting on the cushion panel 17 is inserted.
- the movable portion 42 of the load detector 40 in front of the cushion spring 17 is brought into the state shown in FIG. It extends by an amount proportional to the magnitude of the load compared to when no load is applied), and the extended displacement is detected by the Hall element 44.
- the movable part 42 of the rear load detector 49 rotates clockwise due to the generation of a clockwise moment, and extends by an amount proportional to the magnitude of the load. I do.
- the load applied to the cushion spring 17 can be detected by the sum of outputs from the front and rear load detection devices 40 and 49.
- a cylindrical portion 48 is formed in the movable portion 42, and a resistor 46 whose resistance value changes linearly in the axial direction along the inner wall of the cylindrical portion 48 is provided.
- a brush 47 is provided integrally with the cylindrical portion 48 and applies a predetermined voltage (for example, 5 V) to both ends of the resistor 46 via an external connector (not shown), and slides in the axial direction along the resistor 46. Is fixed to the center of the inside of the main body 41, and the displacement of the resistor 46, that is, the load acting on the cushion panel 17 is detected by the movable part 42 being displaced in the axial direction with respect to the main body 41. It is good also as composition.
- FIG. 12 shows a fourth embodiment.
- a load receiving plate 30 as a plate member composed of a rigid body force is provided in the seat cushion frame 11, and the load receiving plate 30 is provided with a plurality of coils as springs from both sides in the front-rear direction.
- the springs 27 and 28 support the seat cushion frame 11 respectively. The same effect as in the first embodiment can be obtained even if the rear side thereof is configured to receive a load acting on the rear of the seat by the same locking rod 16 as in FIG.
- the locking rod 16 may be locked on one side or both sides of the seat cushion frame 11.
- FIG. 13 shows a fifth embodiment.
- the cushion panel 17 and the locking rods 15 and 16 shown in FIG. 1 are combined into one load receiving member 50 having a cushioning property, and the load receiving member 50 is attached to the seat cushion frame 11. It may be configured to be supported by the flexible members 21 and 31.
- the locking rods 15 and 16 are locked on one side of the seat cushion frame 11 or on both sides thereof.
- the present invention is useful for an on-seat load detecting device in which a load sensor is provided in a frame constituting a seat frame.
- FIG. 1 is a perspective view of a seat showing a configuration of an on-seat load detecting device in a first embodiment of a on-seat load detecting device of the present invention.
- FIG. 2 A perspective view of a vehicle seat.
- FIG. 3 is a perspective view showing the shape of a pair of flexible members provided on the front left and right of the seat cushion frame shown in FIG. 1.
- FIG. 4 A pair of flexible members provided on the left and right rear of the seat cushion frame shown in FIG. Perspective view showing the shape of
- FIG. 1 a schematic view showing a state in which a seat is seated on a seat cushion and a load is applied.
- FIG. 9 is a schematic diagram showing a state where a load is applied in the direction of the arrow in FIG.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/558,580 US20070028702A1 (en) | 2003-07-30 | 2004-07-27 | Seat load detecting apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003282992A JP3675458B2 (ja) | 2003-07-30 | 2003-07-30 | シート上荷重検出装置 |
JP2003-282992 | 2003-07-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005012849A1 true WO2005012849A1 (ja) | 2005-02-10 |
Family
ID=34113792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/010655 WO2005012849A1 (ja) | 2003-07-30 | 2004-07-27 | シート上荷重検出装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20070028702A1 (ja) |
JP (1) | JP3675458B2 (ja) |
WO (1) | WO2005012849A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2374652A1 (en) | 2010-04-09 | 2011-10-12 | Fico Cables, Lda. | Seat cushion mat with pressure sensor |
US20130206486A1 (en) * | 2004-07-30 | 2013-08-15 | Ts Tech Co., Ltd. | Passenger's weight measurement device for vehicle seat |
EP2851239A1 (en) | 2013-09-23 | 2015-03-25 | Fico Cables Lda | Cushion mat with pressure sensor |
US9156384B2 (en) | 2005-09-30 | 2015-10-13 | Ts Tech Co., Ltd. | Vehicle seat comprising load sensor and side frame having a concave part |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7896435B2 (en) * | 2008-07-11 | 2011-03-01 | Delphi Technologies, Inc. | Seat assembly for sensing an occupant |
WO2012086546A1 (ja) * | 2010-12-24 | 2012-06-28 | 本田技研工業株式会社 | 車両用シートのシートクッション |
LU91996B1 (en) * | 2012-05-10 | 2013-11-11 | Iee Sarl | Seat configured for occupancy state detection |
US20150219489A1 (en) * | 2014-02-06 | 2015-08-06 | Delphi Technologies, Inc. | Occupant detection device |
CN107650752A (zh) * | 2017-10-26 | 2018-02-02 | 南京溧水丽华弹簧厂 | 一种汽车座椅坐垫弹簧结构 |
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JP2001180353A (ja) * | 1999-12-27 | 2001-07-03 | Nhk Spring Co Ltd | 自動車シートの着座感知装置 |
US20010037692A1 (en) * | 1999-06-10 | 2001-11-08 | Anahid | Weight sensing system |
EP1281942A1 (en) * | 2001-07-31 | 2003-02-05 | The Furukawa Electric Co., Ltd. | Weight sensor device |
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US3888473A (en) * | 1973-01-26 | 1975-06-10 | Hoover Ball & Bearing Co | Seat spring assembly |
US4636006A (en) * | 1984-03-23 | 1987-01-13 | Aisin Seiki Kabushiki Kaisha | Seat cushion structure |
JP2002144936A (ja) * | 2000-11-08 | 2002-05-22 | Nhk Spring Co Ltd | 自動車シートの着座感知装置 |
EP1386790B1 (en) * | 2002-07-29 | 2007-05-30 | The Furukawa Electric Co., Ltd. | Vehicle seat incorporated with an occupant sensor |
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2003
- 2003-07-30 JP JP2003282992A patent/JP3675458B2/ja not_active Expired - Fee Related
-
2004
- 2004-07-27 WO PCT/JP2004/010655 patent/WO2005012849A1/ja active Application Filing
- 2004-07-27 US US10/558,580 patent/US20070028702A1/en not_active Abandoned
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US20010037692A1 (en) * | 1999-06-10 | 2001-11-08 | Anahid | Weight sensing system |
JP2001180353A (ja) * | 1999-12-27 | 2001-07-03 | Nhk Spring Co Ltd | 自動車シートの着座感知装置 |
EP1281942A1 (en) * | 2001-07-31 | 2003-02-05 | The Furukawa Electric Co., Ltd. | Weight sensor device |
Cited By (15)
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---|---|---|---|---|
US9140588B2 (en) | 2004-07-30 | 2015-09-22 | Ts Tech Co., Ltd. | Vehicle seat comprising load sensor and side frame with upper-side protruding section and lower-side protruding section |
US10634527B2 (en) | 2004-07-30 | 2020-04-28 | Ts Tech Co., Ltd. | Vehicle seat with load sensor |
US20130206486A1 (en) * | 2004-07-30 | 2013-08-15 | Ts Tech Co., Ltd. | Passenger's weight measurement device for vehicle seat |
US9835479B2 (en) | 2004-07-30 | 2017-12-05 | Ts Tech Co., Ltd. | Vehicle seat with load sensor |
US9140587B2 (en) | 2004-07-30 | 2015-09-22 | Ts Tech Co., Ltd. | Passenger's weight measurement device for vehicle seat |
US9134149B2 (en) * | 2004-07-30 | 2015-09-15 | Ts Tech Co., Ltd. | Vehicle seat comprising load sensor and pan frame |
US9134148B2 (en) | 2004-07-30 | 2015-09-15 | Ts Tech Co., Ltd. | Vehicle seat comprising load sensor and side frame with outside protruding section |
US9156384B2 (en) | 2005-09-30 | 2015-10-13 | Ts Tech Co., Ltd. | Vehicle seat comprising load sensor and side frame having a concave part |
US10126159B2 (en) | 2005-09-30 | 2018-11-13 | Ts Tech Co., Ltd. | Vehicle seat including upper rails, load sensor, and frame |
US10677638B2 (en) | 2005-09-30 | 2020-06-09 | Ts Tech Co., Ltd. | Vehicle seat with load sensor |
US11353356B2 (en) | 2005-09-30 | 2022-06-07 | Ts Tech Co., Ltd. | Vehicle seat with load sensor and pan frame including inclined edge |
EP2374652A1 (en) | 2010-04-09 | 2011-10-12 | Fico Cables, Lda. | Seat cushion mat with pressure sensor |
US8893564B2 (en) | 2010-04-09 | 2014-11-25 | Fico Cables Lda | Cushion mat with pressure sensor |
WO2011124472A1 (en) | 2010-04-09 | 2011-10-13 | Fico Cables Lda | Cushion mat with pressure sensor |
EP2851239A1 (en) | 2013-09-23 | 2015-03-25 | Fico Cables Lda | Cushion mat with pressure sensor |
Also Published As
Publication number | Publication date |
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US20070028702A1 (en) | 2007-02-08 |
JP2005049272A (ja) | 2005-02-24 |
JP3675458B2 (ja) | 2005-07-27 |
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