GB2491793B - A buffer - Google Patents

A buffer

Info

Publication number
GB2491793B
GB2491793B GB201218609A GB201218609A GB2491793B GB 2491793 B GB2491793 B GB 2491793B GB 201218609 A GB201218609 A GB 201218609A GB 201218609 A GB201218609 A GB 201218609A GB 2491793 B GB2491793 B GB 2491793B
Authority
GB
United Kingdom
Prior art keywords
buffer
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.)
Active
Application number
GB201218609A
Other versions
GB2491793A (en
GB201218609D0 (en
Inventor
Terence David Williams
Chee Hong Ng
Edward Charles Stroud
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.)
T A Savery and Co Ltd
Original Assignee
T A Savery and Co 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
Priority to GBGB1006713.0A priority Critical patent/GB201006713D0/en
Application filed by T A Savery and Co Ltd filed Critical T A Savery and Co Ltd
Priority to PCT/GB2011/050787 priority patent/WO2011131986A2/en
Publication of GB201218609D0 publication Critical patent/GB201218609D0/en
Publication of GB2491793A publication Critical patent/GB2491793A/en
Application granted granted Critical
Publication of GB2491793B publication Critical patent/GB2491793B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/28Buffer-stops for cars, cages, or skips
    • B66B5/282Structure thereof
GB201218609A 2010-04-22 2011-04-20 A buffer Active GB2491793B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB1006713.0A GB201006713D0 (en) 2010-04-22 2010-04-22 A buffer
PCT/GB2011/050787 WO2011131986A2 (en) 2010-04-22 2011-04-20 A buffer

Publications (3)

Publication Number Publication Date
GB201218609D0 GB201218609D0 (en) 2012-11-28
GB2491793A GB2491793A (en) 2012-12-12
GB2491793B true GB2491793B (en) 2015-02-25

Family

ID=42270656

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1006713.0A Ceased GB201006713D0 (en) 2010-04-22 2010-04-22 A buffer
GB201218609A Active GB2491793B (en) 2010-04-22 2011-04-20 A buffer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1006713.0A Ceased GB201006713D0 (en) 2010-04-22 2010-04-22 A buffer

Country Status (3)

Country Link
CN (1) CN102985349B (en)
GB (2) GB201006713D0 (en)
WO (1) WO2011131986A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109368439A (en) * 2018-08-29 2019-02-22 合肥市迅立达电梯有限公司 A kind of hydraulic elevator

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104803253B (en) * 2015-04-27 2017-03-22 杜志刚 Elevator buffer brake device
CN106395549A (en) * 2016-10-28 2017-02-15 成都聚智工业设计有限公司 Elevator buffer
WO2018179207A1 (en) * 2017-03-30 2018-10-04 三菱電機株式会社 Hydraulic shock absorber for elevators
CN107686034B (en) * 2017-08-25 2019-04-02 辽宁工程技术大学 A kind of elevator hydraulic damping device
CN110877847A (en) * 2019-10-31 2020-03-13 孙阎强 Intelligent manufacturing elevator is with buffering foundation ditch

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1870827A (en) * 1930-07-30 1932-08-09 Westinghouse Electric & Mfg Co Buffer
US4015835A (en) * 1974-08-21 1977-04-05 R. Stahl Aufzuege Gmbh Shock absorbers for elevators
GB2143613A (en) * 1983-07-11 1985-02-13 Otis Elevator Co Hydraulic buffer for elevators with air flow to remove contaminants
WO2001089974A1 (en) * 2000-05-25 2001-11-29 Henning Gmbh Hydraulic lift buffer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731770A (en) * 1971-05-19 1973-05-08 Ace Controls Adjustable shock absorber
US4174098A (en) * 1978-07-03 1979-11-13 Ace Controls, Inc. Shock absorber and mounting means therefor
US5050712A (en) * 1989-04-25 1991-09-24 Enertrols, Inc. Shock absorber
JP4992556B2 (en) * 2007-06-04 2012-08-08 三菱電機株式会社 Elevator oil-filled shock absorber
CN201217591Y (en) * 2008-05-08 2009-04-08 河北东方富达机械有限公司 Oil hydraulic buffer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1870827A (en) * 1930-07-30 1932-08-09 Westinghouse Electric & Mfg Co Buffer
US4015835A (en) * 1974-08-21 1977-04-05 R. Stahl Aufzuege Gmbh Shock absorbers for elevators
GB2143613A (en) * 1983-07-11 1985-02-13 Otis Elevator Co Hydraulic buffer for elevators with air flow to remove contaminants
WO2001089974A1 (en) * 2000-05-25 2001-11-29 Henning Gmbh Hydraulic lift buffer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109368439A (en) * 2018-08-29 2019-02-22 合肥市迅立达电梯有限公司 A kind of hydraulic elevator

Also Published As

Publication number Publication date
GB201218609D0 (en) 2012-11-28
CN102985349A (en) 2013-03-20
CN102985349B (en) 2015-08-12
WO2011131986A2 (en) 2011-10-27
GB2491793A (en) 2012-12-12
WO2011131986A3 (en) 2012-03-29
GB201006713D0 (en) 2010-06-09

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