GB1395905A - Telescopic position adjusting devices - Google Patents

Telescopic position adjusting devices

Info

Publication number
GB1395905A
GB1395905A GB1343771A GB1343771A GB1395905A GB 1395905 A GB1395905 A GB 1395905A GB 1343771 A GB1343771 A GB 1343771A GB 1343771 A GB1343771 A GB 1343771A GB 1395905 A GB1395905 A GB 1395905A
Authority
GB
United Kingdom
Prior art keywords
chamber
liquid
valve member
gas
seat back
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1343771A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Automotive Products PLC
Original Assignee
Automotive Products PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Automotive Products PLC filed Critical Automotive Products PLC
Priority to GB1343771A priority Critical patent/GB1395905A/en
Publication of GB1395905A publication Critical patent/GB1395905A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/23—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by linear actuators, e.g. linear screw mechanisms
    • B60N2/231—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by linear actuators, e.g. linear screw mechanisms by hydraulic actuators

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

1395905 Telescopic position-adjusting fluid devices AUTOMOTIVE PRODUCTS Ltd 8 May 1972 [6 May 1971] 13437/71 Heading F2S In a telescopic position-adjusting device for an aircraft seat back (Fig. 1, not shown), in which liquid is normally prevented from flowing into or out of a chamber 17 from or into another chamber by a valve member 33, the liquid in the other chamber is acted on by gas separated from it by a deformable diaphragm 21. Contraction of the device, corresponding to movement of the seat back from an upright to a reclined position, is normally prevented since liquid can not leave the chamber 17 because of the closed valve member 33. Operation of a pin 37 either directly or by fluid pressure or a Bowden cable (not shown), causes a plunger 34 to push the valve member 33 off its seat 32. An external force on the seat back in the appropriate direction then contracts the device, liquid flowing out of the chamber 17 and via 30, 29, 35 to the other liquid chamber (formed between the diaphragm 21 and the chamber 17), against the pressure of the gas. Extension of the device, corresponding to movement of the seat back from an inclined position back into an upright position, can be effected in either of two ways. The pin 37 can be operated as above to push the valve member 33 off its seat. The pressure of the gas will then force liquid from the other chamber via 35, 39, 30 into the chamber 17 to extend the device. Alternatively, an external force applied to the seat back in the appropriate direction moves a member 20 into engagement with a peg 36 on the plunger 34 and so pushes the valve member 33 off its seat, the pressure of the gas then continuing the extension movement as above. Small changes in temperature causing changes in the volume of liquid in the device are compensated for by deformation of the diaphragm 21. In the event of a fire the fusible plug 23 melts and releases the gas from the device. The maximum stroke of the device is determined by the position of a projection 40 with respect to an opening 41. This position is adjustable (Fig. 2, not shown).
GB1343771A 1971-05-06 1971-05-06 Telescopic position adjusting devices Expired GB1395905A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1343771A GB1395905A (en) 1971-05-06 1971-05-06 Telescopic position adjusting devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1343771A GB1395905A (en) 1971-05-06 1971-05-06 Telescopic position adjusting devices

Publications (1)

Publication Number Publication Date
GB1395905A true GB1395905A (en) 1975-05-29

Family

ID=10022982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1343771A Expired GB1395905A (en) 1971-05-06 1971-05-06 Telescopic position adjusting devices

Country Status (1)

Country Link
GB (1) GB1395905A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0329455A1 (en) * 1988-02-19 1989-08-23 Aero Technology, Inc, An actuator assembly and adjusting and locking apparatus
CN105054641A (en) * 2015-08-20 2015-11-18 程叙毅 Novel dining chair

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0329455A1 (en) * 1988-02-19 1989-08-23 Aero Technology, Inc, An actuator assembly and adjusting and locking apparatus
CN105054641A (en) * 2015-08-20 2015-11-18 程叙毅 Novel dining chair

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed