GB1427055A - Oil buffer - Google Patents

Oil buffer

Info

Publication number
GB1427055A
GB1427055A GB4555573A GB4555573A GB1427055A GB 1427055 A GB1427055 A GB 1427055A GB 4555573 A GB4555573 A GB 4555573A GB 4555573 A GB4555573 A GB 4555573A GB 1427055 A GB1427055 A GB 1427055A
Authority
GB
United Kingdom
Prior art keywords
liquid
sept
plunger
oil buffer
hydraulic
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
GB4555573A
Other languages
English (en)
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
Publication of GB1427055A publication Critical patent/GB1427055A/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)
GB4555573A 1972-09-29 1973-09-28 Oil buffer Expired GB1427055A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47096988A JPS5216555B2 (en, 2012) 1972-09-29 1972-09-29

Publications (1)

Publication Number Publication Date
GB1427055A true GB1427055A (en) 1976-03-03

Family

ID=14179573

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4555573A Expired GB1427055A (en) 1972-09-29 1973-09-28 Oil buffer

Country Status (4)

Country Link
US (1) US3857555A (en, 2012)
JP (1) JPS5216555B2 (en, 2012)
CA (1) CA986430A (en, 2012)
GB (1) GB1427055A (en, 2012)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2835435A1 (de) * 1978-08-12 1980-02-14 Pforzheim Metallschlauch Federhaenger bzw. -stuetze, insbesondere fuer rohrleitungen
DE3630549A1 (de) * 1986-09-08 1988-03-10 Mueller Bbm Gmbh Vorrichtung zur in vertikaler richtung federnden lagerung von schwingungen unterworfenen lasten
DE4223786A1 (de) * 1992-07-15 1994-01-20 Gerb Schwingungsisolierungen Schwingungsdämpfer

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60137766U (ja) * 1984-12-20 1985-09-12 三菱電機株式会社 エレベ−タの油入緩衝器
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
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 (ja) * 2002-05-21 2009-07-22 三菱電機株式会社 エレベータの緩衝装置
CN101679002B (zh) * 2007-08-31 2013-06-05 三菱电机株式会社 电梯的油压缓冲器
CN102718104B (zh) * 2012-07-10 2014-05-21 江南大学 机械式耗能型电梯缓冲器
CN105110134A (zh) * 2015-09-14 2015-12-02 恒达富士电梯有限公司 乘客电梯的保护型底坑结构
CN109132780B (zh) * 2017-04-18 2020-05-12 福建北大高科发展有限公司 一种实用性强的电梯井内防护性轿厢缓冲装置
CN108715387A (zh) * 2018-07-18 2018-10-30 康达电梯有限公司 一种安全防护电梯
CN110671461A (zh) * 2019-09-26 2020-01-10 徐州天泓传动设备有限公司 一种具有多重缓冲机构的气弹簧
CN111320052A (zh) * 2020-03-10 2020-06-23 刘奕哲 一种非金属复合材料制成的电梯缓冲装置及其制品

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.
NL109985C (en, 2012) * 1959-12-07

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2835435A1 (de) * 1978-08-12 1980-02-14 Pforzheim Metallschlauch Federhaenger bzw. -stuetze, insbesondere fuer rohrleitungen
DE3630549A1 (de) * 1986-09-08 1988-03-10 Mueller Bbm Gmbh Vorrichtung zur in vertikaler richtung federnden lagerung von schwingungen unterworfenen lasten
DE4223786A1 (de) * 1992-07-15 1994-01-20 Gerb Schwingungsisolierungen Schwingungsdämpfer

Also Published As

Publication number Publication date
JPS4956084A (en, 2012) 1974-05-30
CA986430A (en) 1976-03-30
US3857555A (en) 1974-12-31
JPS5216555B2 (en, 2012) 1977-05-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee