CA986241A - Elevator control system for indicating damage to an elevator structure - Google Patents

Elevator control system for indicating damage to an elevator structure

Info

Publication number
CA986241A
CA986241A CA183,121A CA183121A CA986241A CA 986241 A CA986241 A CA 986241A CA 183121 A CA183121 A CA 183121A CA 986241 A CA986241 A CA 986241A
Authority
CA
Canada
Prior art keywords
elevator
control system
indicating damage
elevator control
elevator structure
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
CA183,121A
Other versions
CA183121S (en
Inventor
Don F. Smith
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.)
Otis Elevator Co
Original Assignee
Otis Elevator Co
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 Otis Elevator Co filed Critical Otis Elevator Co
Application granted granted Critical
Publication of CA986241A publication Critical patent/CA986241A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
    • B66B5/022—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system where the abnormal operating condition is caused by a natural event, e.g. earthquake

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
CA183,121A 1973-02-22 1973-10-11 Elevator control system for indicating damage to an elevator structure Expired CA986241A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33453873A 1973-02-22 1973-02-22

Publications (1)

Publication Number Publication Date
CA986241A true CA986241A (en) 1976-03-23

Family

ID=23307691

Family Applications (1)

Application Number Title Priority Date Filing Date
CA183,121A Expired CA986241A (en) 1973-02-22 1973-10-11 Elevator control system for indicating damage to an elevator structure

Country Status (3)

Country Link
US (1) US3791490A (en)
JP (1) JPS49134047A (en)
CA (1) CA986241A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056169A (en) * 1976-06-28 1977-11-01 United Technologies Corporation Elevator control system
US4069898A (en) * 1976-08-02 1978-01-24 Westinghouse Electric Corporation Elevator system
US4106594A (en) * 1977-04-08 1978-08-15 Westinghouse Electric Corp. Elevator system
US4096925A (en) * 1977-04-08 1978-06-27 Westinghouse Electric Corp. Elevator system with detector for indicating relative positions of car and counterweight
US4193478A (en) * 1977-04-26 1980-03-18 Elevator Industries Elevator control system and method
JPS5757175A (en) * 1980-09-22 1982-04-06 Mitsubishi Electric Corp Operating device for elevator in case of earthquke
JPS57120558U (en) * 1981-01-14 1982-07-27
US4460065A (en) * 1982-08-20 1984-07-17 Otis Elevator Company Rope sway warning device for compensating ropes in elevator systems
EP2072450A1 (en) * 2007-12-21 2009-06-24 Inventio Ag Circuit for resetting an elevator safety chain
JP2012533496A (en) * 2009-07-20 2012-12-27 オーチス エレベータ カンパニー Elevator derailment detection system resistant to building inclination
US9359172B2 (en) 2010-07-30 2016-06-07 Otis Elevator Company Elevator rope sway detection and damping
JP6222162B2 (en) * 2015-04-20 2017-11-01 三菱電機ビルテクノサービス株式会社 Elevator apparatus and elevator restoration method
WO2017019236A1 (en) * 2015-07-27 2017-02-02 Wurtec Elevator Products & Services Elevator counterweight signaling system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US443283A (en) * 1890-12-23 Electric safety device for elevators
US1148450A (en) * 1914-04-03 1915-07-27 C M Mccrum Automatic safety stopping device for elevators.
US3726364A (en) * 1971-02-22 1973-04-10 Thermocycle Inc Elevator heat controlled safety circuit

Also Published As

Publication number Publication date
JPS49134047A (en) 1974-12-24
US3791490A (en) 1974-02-12

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