GB471892A - Improvements in or relating to retractable steps for use on vehicles - Google Patents

Improvements in or relating to retractable steps for use on vehicles

Info

Publication number
GB471892A
GB471892A GB91536A GB91536A GB471892A GB 471892 A GB471892 A GB 471892A GB 91536 A GB91536 A GB 91536A GB 91536 A GB91536 A GB 91536A GB 471892 A GB471892 A GB 471892A
Authority
GB
United Kingdom
Prior art keywords
steps
vehicles
relating
fluid pressure
arm
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
GB91536A
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.)
RODERICK ROSS
Sir WG Armstrong Whitworth and Co Engineers Ltd
Original Assignee
RODERICK ROSS
Sir WG Armstrong Whitworth and Co Engineers Ltd
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 RODERICK ROSS, Sir WG Armstrong Whitworth and Co Engineers Ltd filed Critical RODERICK ROSS
Priority to GB91536A priority Critical patent/GB471892A/en
Publication of GB471892A publication Critical patent/GB471892A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D23/00—Construction of steps for railway vehicles
    • B61D23/02—Folding steps for railway vehicles, e.g. hand or mechanically actuated
    • B61D23/025—Folding steps for railway vehicles, e.g. hand or mechanically actuated electrically or fluid actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

471,892. Vehicle steps. ARMSTRONG, WHITWORTH, & CO. (ENGINEERS), Ltd., SIR W. G., and ROSS, R. Jan. 10, 1936, No. 915. [Class 103 (iv)] Vehicle steps, operatively connected to a fluid pressure or electric motor, are mounted to slide horizontally against a counterbalance weight or spring which tends to retain them in a retracted position. As shown in the Figure, a fixed step 2 and two retractible steps 4 are provided, the latter being guided by rollers 5 in guides 3 and linked to a lover arm 7 connected to a shaft 9 having a counterweighted arm 8 which is operated to extend the steps 4 by means of a piston rod 11 connected to a piston 12 of a fluid pressure or vacuum motor.
GB91536A 1936-01-10 1936-01-10 Improvements in or relating to retractable steps for use on vehicles Expired GB471892A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB91536A GB471892A (en) 1936-01-10 1936-01-10 Improvements in or relating to retractable steps for use on vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB91536A GB471892A (en) 1936-01-10 1936-01-10 Improvements in or relating to retractable steps for use on vehicles

Publications (1)

Publication Number Publication Date
GB471892A true GB471892A (en) 1937-09-10

Family

ID=9712736

Family Applications (1)

Application Number Title Priority Date Filing Date
GB91536A Expired GB471892A (en) 1936-01-10 1936-01-10 Improvements in or relating to retractable steps for use on vehicles

Country Status (1)

Country Link
GB (1) GB471892A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2946531A1 (en) * 1979-11-17 1981-05-21 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München VEHICLE, ESPECIALLY OMNIBUS, WITH SIDE EXTENSIBLE STAIRCASE ASSEMBLY.
CN107878470A (en) * 2017-09-22 2018-04-06 卓爱仙 Platform gap attachment means

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2946531A1 (en) * 1979-11-17 1981-05-21 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München VEHICLE, ESPECIALLY OMNIBUS, WITH SIDE EXTENSIBLE STAIRCASE ASSEMBLY.
CN107878470A (en) * 2017-09-22 2018-04-06 卓爱仙 Platform gap attachment means

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