GB2148815B - Points locking devices - Google Patents

Points locking devices

Info

Publication number
GB2148815B
GB2148815B GB08424287A GB8424287A GB2148815B GB 2148815 B GB2148815 B GB 2148815B GB 08424287 A GB08424287 A GB 08424287A GB 8424287 A GB8424287 A GB 8424287A GB 2148815 B GB2148815 B GB 2148815B
Authority
GB
United Kingdom
Prior art keywords
locking devices
points locking
points
devices
locking
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
GB08424287A
Other versions
GB2148815A (en
GB8424287D0 (en
Inventor
N A Higgs
D Clack
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.)
LONDON REGIONAL TRANSPORT
Original Assignee
LONDON REGIONAL TRANSPORT
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 LONDON REGIONAL TRANSPORT filed Critical LONDON REGIONAL TRANSPORT
Publication of GB8424287D0 publication Critical patent/GB8424287D0/en
Publication of GB2148815A publication Critical patent/GB2148815A/en
Application granted granted Critical
Publication of GB2148815B publication Critical patent/GB2148815B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/04—Fluid-pressure devices for operating points or scotch-blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
GB08424287A 1983-09-26 1984-09-26 Points locking devices Expired GB2148815B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838325716A GB8325716D0 (en) 1983-09-26 1983-09-26 Points locking devices

Publications (3)

Publication Number Publication Date
GB8424287D0 GB8424287D0 (en) 1984-10-31
GB2148815A GB2148815A (en) 1985-06-05
GB2148815B true GB2148815B (en) 1987-04-29

Family

ID=10549311

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838325716A Pending GB8325716D0 (en) 1983-09-26 1983-09-26 Points locking devices
GB08424287A Expired GB2148815B (en) 1983-09-26 1984-09-26 Points locking devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB838325716A Pending GB8325716D0 (en) 1983-09-26 1983-09-26 Points locking devices

Country Status (1)

Country Link
GB (2) GB8325716D0 (en)

Also Published As

Publication number Publication date
GB2148815A (en) 1985-06-05
GB8424287D0 (en) 1984-10-31
GB8325716D0 (en) 1983-10-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee