CA949001A - Overspeed prevention system for elevator cars - Google Patents

Overspeed prevention system for elevator cars

Info

Publication number
CA949001A
CA949001A CA112,661A CA112661A CA949001A CA 949001 A CA949001 A CA 949001A CA 112661 A CA112661 A CA 112661A CA 949001 A CA949001 A CA 949001A
Authority
CA
Canada
Prior art keywords
prevention system
elevator cars
overspeed prevention
overspeed
cars
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
CA112,661A
Other languages
English (en)
Other versions
CA112661S (en
Inventor
James H. Snyder
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.)
Doosan Bobcat North America Inc
Original Assignee
Clark Equipment 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 Clark Equipment Co filed Critical Clark Equipment Co
Application granted granted Critical
Publication of CA949001A publication Critical patent/CA949001A/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
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B66B5/20—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by means of rotatable eccentrically-mounted members
    • 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
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Braking Arrangements (AREA)
CA112,661A 1970-06-15 1971-05-11 Overspeed prevention system for elevator cars Expired CA949001A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US046236A US3872949A (en) 1970-06-15 1970-06-15 Overspeed prevention system for elevator cars

Publications (1)

Publication Number Publication Date
CA949001A true CA949001A (en) 1974-06-11

Family

ID=21942351

Family Applications (1)

Application Number Title Priority Date Filing Date
CA112,661A Expired CA949001A (en) 1970-06-15 1971-05-11 Overspeed prevention system for elevator cars

Country Status (5)

Country Link
US (1) US3872949A (enExample)
CA (1) CA949001A (enExample)
DE (1) DE2129334A1 (enExample)
FR (1) FR2096314A5 (enExample)
GB (1) GB1305497A (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3942607A (en) * 1974-09-06 1976-03-09 Dane Sobat Elevator safety brake
US4121689A (en) * 1977-04-12 1978-10-24 Francois Bonvin Escape mechanism
FR2465923A1 (fr) * 1979-09-21 1981-03-27 Ferodo Sa Frein d'urgence
FR2469616A1 (fr) * 1979-11-14 1981-05-22 Ferodo Sa Procede pour le desserrage progressif et limite d'un frein, en particulier d'un frein d'urgence, et frein correspondant
US5349854A (en) * 1992-05-01 1994-09-27 Otis Elevator Company Elevator speed and position indicating device
US5797472A (en) * 1996-01-26 1998-08-25 Otis Elevator Company Reactive governor
DE19930123C1 (de) * 1999-06-30 2000-12-14 Siemens Ag Sicherungseinrichtung für eine über einen Wagen an einer Säule verstellbare Komponente eines medizintechnischen Gerätes
NL2001941C (nl) * 2008-08-29 2010-03-11 Houtveen Beheer Achterveld B V Voertuiglift.
CN102674175B (zh) * 2012-05-18 2014-02-05 上海工程技术大学 以重力自锁的自适应式起吊器
CN106660740B (zh) * 2014-08-29 2020-04-10 通力股份公司 超速调节器和电梯
CN108217378B (zh) * 2018-02-11 2024-01-02 广州特种机电设备检测研究院 具有止坠安全装置的电梯
US20190249446A1 (en) * 2018-02-15 2019-08-15 Marshalltown Company Lifting device including telescoping mast
CN116040173B (zh) * 2022-11-17 2023-11-21 江苏冠猴智能控制设备有限公司 一种食品生产用自动化仓储系统
CN116216582B (zh) * 2023-05-09 2023-07-04 山东达驰电气有限公司 变压器装配用吊装装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US324751A (en) * 1885-08-18 Safety device for elevators
US767930A (en) * 1904-06-06 1904-08-16 Axel Magnuson Safety appliance and speed-controlling apparatus for elevators.
US2489984A (en) * 1945-02-20 1949-11-29 United Aircraft Corp Explosive-release mechanism
US2511697A (en) * 1947-12-12 1950-06-13 William C Clift Elevator safety apparatus

Also Published As

Publication number Publication date
US3872949A (en) 1975-03-25
GB1305497A (enExample) 1973-01-31
FR2096314A5 (enExample) 1972-02-11
DE2129334A1 (de) 1971-12-23

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