CA970293A - Elevator system - Google Patents

Elevator system

Info

Publication number
CA970293A
CA970293A CA206,281A CA206281A CA970293A CA 970293 A CA970293 A CA 970293A CA 206281 A CA206281 A CA 206281A CA 970293 A CA970293 A CA 970293A
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
CA206,281A
Inventor
James Lowry
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 CA970293A publication Critical patent/CA970293A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/143—Control systems or devices electrical

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Door Apparatuses (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
CA206,281A 1973-08-15 1974-08-05 Elevator system Expired CA970293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00388532A US3822767A (en) 1973-08-15 1973-08-15 Elevator system

Publications (1)

Publication Number Publication Date
CA970293A true CA970293A (en) 1975-07-01

Family

ID=23534500

Family Applications (1)

Application Number Title Priority Date Filing Date
CA206,281A Expired CA970293A (en) 1973-08-15 1974-08-05 Elevator system

Country Status (3)

Country Link
US (1) US3822767A (en)
JP (1) JPS5437738B2 (en)
CA (1) CA970293A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3945468A (en) * 1974-12-11 1976-03-23 Hitachi, Ltd. Sound preventive device for use in elevator
US5018602A (en) * 1990-03-21 1991-05-28 Otis Elevator Company Reduction of noise and vibration in an elevator car by selectively reducing air turbulence
CN101098821B (en) * 2005-01-11 2011-06-01 因温特奥股份公司 Elevator device, method for operating the elevator device and evaluation unit
US11679960B2 (en) 2018-09-21 2023-06-20 Inventio Ag Elevator car, elevator installation, method for operating an elevator system and door drive
CN109095337A (en) * 2018-10-31 2018-12-28 日立电梯（中国）有限公司 Elevator monitoring system, elevator door and its Wind-Pressure Resistance method and wind resistance pressure device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992818A (en) * 1959-04-24 1961-07-18 Westinghouse Electric Corp Closure control mechanism

Also Published As

Publication number Publication date
US3822767A (en) 1974-07-09
JPS5437738B2 (en) 1979-11-16
JPS5048642A (en) 1975-04-30

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