GB190923220A - Improvements in or connected with Automatic Closing and Locking of Lift Gates and the like. - Google Patents

Improvements in or connected with Automatic Closing and Locking of Lift Gates and the like.

Info

Publication number
GB190923220A
GB190923220A GB190923220DA GB190923220A GB 190923220 A GB190923220 A GB 190923220A GB 190923220D A GB190923220D A GB 190923220DA GB 190923220 A GB190923220 A GB 190923220A
Authority
GB
United Kingdom
Prior art keywords
locking
automatic closing
lift gates
rope
gates
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
Walter Mitchell
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 GB190923220A publication Critical patent/GB190923220A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02Door or gate operation
    • B66B13/14Control systems or devices
    • B66B13/16Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
    • B66B13/18Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Emergency Lowering Means (AREA)
  • Catching Or Destruction (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

23,220. Mitchell, W. Oct. 11. Rope grips.-The spring-pressed sliding jaw f of a rope grip is operated by means of a lever b attached to a semi-cylindrical part o engaging a cavity in the sliding partj.
GB190923220D 1909-10-11 1909-10-11 Improvements in or connected with Automatic Closing and Locking of Lift Gates and the like. Expired GB190923220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190923220T 1909-10-11

Publications (1)

Publication Number Publication Date
GB190923220A true GB190923220A (en) 1910-07-07

Family

ID=32558190

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190923220D Expired GB190923220A (en) 1909-10-11 1909-10-11 Improvements in or connected with Automatic Closing and Locking of Lift Gates and the like.

Country Status (1)

Country Link
GB (1) GB190923220A (en)

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