CA986430A - Oil buffer - Google Patents

Oil buffer

Info

Publication number
CA986430A
CA986430A CA182,137A CA182137A CA986430A CA 986430 A CA986430 A CA 986430A CA 182137 A CA182137 A CA 182137A CA 986430 A CA986430 A CA 986430A
Authority
CA
Canada
Prior art keywords
oil buffer
buffer
oil
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
CA182,137A
Other versions
CA182137S (en
Inventor
Akihiro Mori
Norihiko Mitsui
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of CA986430A publication Critical patent/CA986430A/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
    • B66B5/28—Buffer-stops for cars, cages, or skips
    • B66B5/282—Structure thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
    • F16F9/486—Arrangements for providing different damping effects at different parts of the stroke comprising a pin or stem co-operating with an aperture, e.g. a cylinder-mounted stem co-operating with a hollow piston rod

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Actuator (AREA)
CA182,137A 1972-09-29 1973-09-28 Oil buffer Expired CA986430A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47096988A JPS5216555B2 (en) 1972-09-29 1972-09-29

Publications (1)

Publication Number Publication Date
CA986430A true CA986430A (en) 1976-03-30

Family

ID=14179573

Family Applications (1)

Application Number Title Priority Date Filing Date
CA182,137A Expired CA986430A (en) 1972-09-29 1973-09-28 Oil buffer

Country Status (4)

Country Link
US (1) US3857555A (en)
JP (1) JPS5216555B2 (en)
CA (1) CA986430A (en)
GB (1) GB1427055A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2835435C3 (en) * 1978-08-12 1981-04-23 Witzenmann Gmbh Metallschlauch-Fabrik Pforzheim, 7530 Pforzheim Spring hangers or supports, in particular for pipelines
JPS60137766U (en) * 1984-12-20 1985-09-12 三菱電機株式会社 Elevator oil-filled buffer
DE3630549A1 (en) * 1986-09-08 1988-03-10 Mueller Bbm Gmbh Device for the vertically sprung support of loads subject to vibrations
US4964491A (en) * 1989-07-11 1990-10-23 The United States Of America As Represented By The Secretary Of The Navy System for limiting snap load intensity
DE4223786A1 (en) * 1992-07-15 1994-01-20 Gerb Schwingungsisolierungen Vibration damper
AUPM463394A0 (en) * 1994-03-22 1994-04-14 Nash, Adrian A support for a seat
AU695265B2 (en) * 1994-03-22 1998-08-13 Adrian Nash A support for a seat
JP4301837B2 (en) * 2002-05-21 2009-07-22 三菱電機株式会社 Elevator shock absorber
CN101679002B (en) * 2007-08-31 2013-06-05 三菱电机株式会社 Hydraulic shock absorber for elevator
CN102718104B (en) * 2012-07-10 2014-05-21 江南大学 Mechanical energy-consumption-type buffer
CN105110134A (en) * 2015-09-14 2015-12-02 恒达富士电梯有限公司 Protective pit structure for passenger lift
CN109230940B (en) * 2017-04-18 2020-05-12 福建北大高科发展有限公司 High-safety protective lift car buffer device in lift shaft
CN108715387A (en) * 2018-07-18 2018-10-30 康达电梯有限公司 A kind of Safety-protection elevator
CN110671461A (en) * 2019-09-26 2020-01-10 徐州天泓传动设备有限公司 Air spring with multiple buffer mechanisms
CN111320052A (en) * 2020-03-10 2020-06-23 刘奕哲 Elevator buffer device made of non-metal composite material and product thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1125942A (en) * 1911-06-07 1915-01-26 Alva W Blanchard Shock-absorber.
NL258769A (en) * 1959-12-07

Also Published As

Publication number Publication date
JPS5216555B2 (en) 1977-05-10
US3857555A (en) 1974-12-31
JPS4956084A (en) 1974-05-30
GB1427055A (en) 1976-03-03

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