GB1120682A - Vehicle operated treadle mechanism - Google Patents
Vehicle operated treadle mechanismInfo
- 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
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.
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) |
-
1964
- 1964-06-11 GB GB2423064A patent/GB1120682A/en not_active Expired
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