GB191308529A - Improvements in and relating to Mechanism for Locking and Unlocking Railway Carriage Doors and the like. - Google Patents

Improvements in and relating to Mechanism for Locking and Unlocking Railway Carriage Doors and the like.

Info

Publication number
GB191308529A
GB191308529A GB191308529DA GB191308529A GB 191308529 A GB191308529 A GB 191308529A GB 191308529D A GB191308529D A GB 191308529DA GB 191308529 A GB191308529 A GB 191308529A
Authority
GB
United Kingdom
Prior art keywords
bolt
pendulum
retained
latch bolt
oscillation
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
Inventor
Hugh Nicholson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191308529A publication Critical patent/GB191308529A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

8529. Nicholson, H. April 11. Railway-carriage doors, fastening automatically; latches, sliding; turn-bolt fastenings. - A latch bolt 1 carries projections 12 whereby it is retained in the shot position when the train is in motion by the oscillation of an arc 10 through the pendulum 7. Figs. 2 and 3 show modifications in which the obstruction to the retraction of the bolt is effected by a slotted disk 24 which is operated by the pendulum 7, the arm 26 on the bolt being unable to pass into the slot 25 in the disk when this is in motion. A spring 27 and cushioning-devices 28 may be employed to assist the oscillation of the pendulum. The latch bolt is retained in the retracted position by a catch 15 which is released in closing the door by the rod 13. Fig. 4 shows a modification for a pivoted bolt 1 the spindle 4 of which is provided with cam-like parts 29. The pendulum is formed with a. hole 30 of similar shape to the spindle and adapted to engage therewith when oscillated. The latch bolt 1 is retained in the retracted position by a projection 32 engaging a projection 33 on a lever 34 which is depressed when the door is closed by a rod 30 pivoted to a cam 37 which is engaged by a slide 38.
GB191308529D 1913-04-11 1913-04-11 Improvements in and relating to Mechanism for Locking and Unlocking Railway Carriage Doors and the like. Expired GB191308529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191308529T 1913-04-11

Publications (1)

Publication Number Publication Date
GB191308529A true GB191308529A (en) 1913-12-18

Family

ID=32370351

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191308529D Expired GB191308529A (en) 1913-04-11 1913-04-11 Improvements in and relating to Mechanism for Locking and Unlocking Railway Carriage Doors and the like.

Country Status (1)

Country Link
GB (1) GB191308529A (en)

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