CA977295A - Elevator system - Google Patents

Elevator system

Info

Publication number
CA977295A
CA977295A CA209,125A CA209125A CA977295A CA 977295 A CA977295 A CA 977295A CA 209125 A CA209125 A CA 209125A CA 977295 A CA977295 A CA 977295A
Authority
CA
Canada
Prior art keywords
elevator system
elevator
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
CA209,125A
Other versions
CA209125S (en
Inventor
Conwell Savage
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA977295A publication Critical patent/CA977295A/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
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/50—Adaptations of switches or switchgear with operating or control mechanisms mounted in the car or cage or in the lift well or hoistway

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
CA209,125A 1973-10-26 1974-09-12 Elevator system Expired CA977295A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00410155A US3856116A (en) 1973-10-26 1973-10-26 Elevator system

Publications (1)

Publication Number Publication Date
CA977295A true CA977295A (en) 1975-11-04

Family

ID=23623464

Family Applications (1)

Application Number Title Priority Date Filing Date
CA209,125A Expired CA977295A (en) 1973-10-26 1974-09-12 Elevator system

Country Status (2)

Country Link
US (1) US3856116A (en)
CA (1) CA977295A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007811A (en) * 1975-02-24 1977-02-15 Mitsubishi Denki Kabushiki Kaisha Control for elevator
US5135081A (en) * 1991-05-01 1992-08-04 United States Elevator Corp. Elevator position sensing system using coded vertical tape
US5360085A (en) * 1993-08-20 1994-11-01 Otis Elevator Company Elevator cab position sensing with reduced operating noise
TW555681B (en) * 2001-07-31 2003-10-01 Inventio Ag Lift installation with equipment for ascertaining the cage position
EP3995426B1 (en) * 2020-11-05 2024-02-14 Otis Elevator Company Elevator position reference systems and monitoring building settlement using an elevator position reference system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938603A (en) * 1958-10-06 1960-05-31 Robert F Loughridge Elevator apparatus

Also Published As

Publication number Publication date
US3856116A (en) 1974-12-24

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