GB268974A - Improvements in safety devices for lifts or hoists - Google Patents

Improvements in safety devices for lifts or hoists

Info

Publication number
GB268974A
GB268974A GB1082226A GB1082226A GB268974A GB 268974 A GB268974 A GB 268974A GB 1082226 A GB1082226 A GB 1082226A GB 1082226 A GB1082226 A GB 1082226A GB 268974 A GB268974 A GB 268974A
Authority
GB
United Kingdom
Prior art keywords
solenoid
clamp
lever
hoists
lifts
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
GB1082226A
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
Priority to GB1082226A priority Critical patent/GB268974A/en
Publication of GB268974A publication Critical patent/GB268974A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/02—Control systems without regulation, i.e. without retroactive action
    • B66B1/06—Control systems without regulation, i.e. without retroactive action electric
    • B66B1/08—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. handles or levers, in the cars or cages for direct control of movements

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Jib Cranes (AREA)

Abstract

268,974. Bennett, A. April 24, 1926. Lift cages, locking and unlocking. -A solenoid operated device in circuit with the gate switches is used for locking the handing rope of a lift. The handing rope a passes through a clamp B mounted on the short arm c of a bent-lever L mounted on a pivot c<1> on the cage and having its long arm C connected to the armature d<1> of a solenoid D in circuit with the gate switches. When the gates are closed the solenoid is energized and the clamp is disengaged. When a gate is opened the solenoid is de-energized and the weight of the armature &c. and of an auxiliary weight W on the lever, if required, causes the bent lever to move downwards and lock the clamp on the handing rope.
GB1082226A 1926-04-24 1926-04-24 Improvements in safety devices for lifts or hoists Expired GB268974A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1082226A GB268974A (en) 1926-04-24 1926-04-24 Improvements in safety devices for lifts or hoists

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1082226A GB268974A (en) 1926-04-24 1926-04-24 Improvements in safety devices for lifts or hoists

Publications (1)

Publication Number Publication Date
GB268974A true GB268974A (en) 1927-04-14

Family

ID=9974919

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1082226A Expired GB268974A (en) 1926-04-24 1926-04-24 Improvements in safety devices for lifts or hoists

Country Status (1)

Country Link
GB (1) GB268974A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110065863A (en) * 2019-03-18 2019-07-30 宁波宏大电梯有限公司 A kind of door lock short circuit detection control method and system based on door lock of elevator bypass

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110065863A (en) * 2019-03-18 2019-07-30 宁波宏大电梯有限公司 A kind of door lock short circuit detection control method and system based on door lock of elevator bypass

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