GB1120682A - Vehicle operated treadle mechanism - Google Patents

Vehicle operated treadle mechanism

Info

Publication number
GB1120682A
GB1120682A GB2423064A GB2423064A GB1120682A GB 1120682 A GB1120682 A GB 1120682A GB 2423064 A GB2423064 A GB 2423064A GB 2423064 A GB2423064 A GB 2423064A GB 1120682 A GB1120682 A GB 1120682A
Authority
GB
United Kingdom
Prior art keywords
treadle
treadles
shaw
secured
shafts
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
GB2423064A
Inventor
Donald George Shaw
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.)
SHAW TREW AND SMITH Ltd
Original Assignee
SHAW TREW AND SMITH 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 SHAW TREW AND SMITH Ltd filed Critical SHAW TREW AND SMITH Ltd
Priority to GB2423064A priority Critical patent/GB1120682A/en
Publication of GB1120682A publication Critical patent/GB1120682A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

1,120,682. Wheel operated treadle. SHAW TREW & SMITH Ltd., and D. G. SHAW. 9 Sept., 1965 [11 June, 1964], No. 24230/64. Heading B7H. A treadle arrangement operated by the flange of a train wheel approaching from either direction comprises a pair of oppositely inclined treadles 3 which are secured to respective pivoted shafts 4 and intermeshed 9 such that depression of one treadle automatically depresses the other and a cam member 10 secured to one of the shafts 4 which operates an electric switch or hydraulic control means 6 via a cam follower 6a. The treadles are biased to their upper position by spring members 11.
GB2423064A 1964-06-11 1964-06-11 Vehicle operated treadle mechanism Expired GB1120682A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2423064A GB1120682A (en) 1964-06-11 1964-06-11 Vehicle operated treadle mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2423064A GB1120682A (en) 1964-06-11 1964-06-11 Vehicle operated treadle mechanism

Publications (1)

Publication Number Publication Date
GB1120682A true GB1120682A (en) 1968-07-24

Family

ID=10208454

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2423064A Expired GB1120682A (en) 1964-06-11 1964-06-11 Vehicle operated treadle mechanism

Country Status (1)

Country Link
GB (1) GB1120682A (en)

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