GB140541A - Improvements in devices for locking railway carriage doors - Google Patents

Improvements in devices for locking railway carriage doors

Info

Publication number
GB140541A
GB140541A GB155319A GB155319A GB140541A GB 140541 A GB140541 A GB 140541A GB 155319 A GB155319 A GB 155319A GB 155319 A GB155319 A GB 155319A GB 140541 A GB140541 A GB 140541A
Authority
GB
United Kingdom
Prior art keywords
cylinders
shankland
locking
devices
pneumatically
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
GB155319A
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.)
JAMES RIDDICK SHANKLAND
Original Assignee
JAMES RIDDICK SHANKLAND
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 JAMES RIDDICK SHANKLAND filed Critical JAMES RIDDICK SHANKLAND
Priority to GB155319A priority Critical patent/GB140541A/en
Publication of GB140541A publication Critical patent/GB140541A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/46—Locking several wings simultaneously
    • E05B77/50—Locking several wings simultaneously by pneumatic or hydraulic means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/36—Locks for passenger or like doors
    • E05B83/363—Locks for passenger or like doors for railway vehicles

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

140,541. Shankland, J. R., (trading as Shankland & Co.), and Shankland, D. Jan. 21, 1919. Pneumatically-operated fastenings.-A device for locking or unlocking a series of railwaycarriage doors pneumatically comprises a series of door bolts 5 operatively connected, as by bellcranks 5<a>, to a rod 3 actuated in opposite directions for locking and unlocking respectively by the pistons 2 of separate pneumatic cylinders 1, or separate sets of cylinders, the arrangement being such that when, by operation of the two-way cock or cocks 8, compressed air is admitted from the reservoir 7 to one cylinder or set of cylinders, the other cylinder or set of cylinders is exhausted. An electric switch, such as 10, Fig. 3, may be arranged adjacent each bolt, and be adapted, when the bolt is shot, to close an electric circuit including a lamp 11 visible to the guard. Reference has been directed by the Comptroller to Specification 9953/13.
GB155319A 1919-01-21 1919-01-21 Improvements in devices for locking railway carriage doors Expired GB140541A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB155319A GB140541A (en) 1919-01-21 1919-01-21 Improvements in devices for locking railway carriage doors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB155319A GB140541A (en) 1919-01-21 1919-01-21 Improvements in devices for locking railway carriage doors

Publications (1)

Publication Number Publication Date
GB140541A true GB140541A (en) 1920-04-01

Family

ID=9723957

Family Applications (1)

Application Number Title Priority Date Filing Date
GB155319A Expired GB140541A (en) 1919-01-21 1919-01-21 Improvements in devices for locking railway carriage doors

Country Status (1)

Country Link
GB (1) GB140541A (en)

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