GB190900825A - Improvements in Railway Carriage Door Locks. - Google Patents

Improvements in Railway Carriage Door Locks.

Info

Publication number
GB190900825A
GB190900825A GB190900825DA GB190900825A GB 190900825 A GB190900825 A GB 190900825A GB 190900825D A GB190900825D A GB 190900825DA GB 190900825 A GB190900825 A GB 190900825A
Authority
GB
United Kingdom
Prior art keywords
follower
carriage door
bolt
railway carriage
door locks
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
Samuel Rowland Parkes
Edmond Sidebottom
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 GB190900825A publication Critical patent/GB190900825A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/20—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

825. Parkes, S. R., and Sidebottom, E. Jan. 13. Latches sliding.-Relates to a railway-carriage door latch of the type in which the main bolt A is held in the withdrawn position by an auxiliary bolt D having an arm d' and a projection d<3> engaging the follower B. The projection d<3> at the front of the bolt D is curved eccentrically to the axis of the follower, so that the nose b<3> is released when both bolts are pressed in simultaneously. The follower is then free to rotate, and the main bolt A is shot by the spring a<2>.
GB190900825D 1909-01-13 1909-01-13 Improvements in Railway Carriage Door Locks. Expired GB190900825A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190900825T 1909-01-13

Publications (1)

Publication Number Publication Date
GB190900825A true GB190900825A (en) 1909-12-02

Family

ID=32441485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190900825D Expired GB190900825A (en) 1909-01-13 1909-01-13 Improvements in Railway Carriage Door Locks.

Country Status (1)

Country Link
GB (1) GB190900825A (en)

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