GB1377881A - Leak-proofing systems for hydraulic lifting devices - Google Patents

Leak-proofing systems for hydraulic lifting devices

Info

Publication number
GB1377881A
GB1377881A GB928373A GB928373A GB1377881A GB 1377881 A GB1377881 A GB 1377881A GB 928373 A GB928373 A GB 928373A GB 928373 A GB928373 A GB 928373A GB 1377881 A GB1377881 A GB 1377881A
Authority
GB
United Kingdom
Prior art keywords
lines
leak
hydraulic lifting
lifting devices
balls
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
GB928373A
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.)
Gebr Hofmann GmbH and Co KG Maschinenfabrik
Original Assignee
Gebr Hofmann GmbH and Co KG Maschinenfabrik
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 Gebr Hofmann GmbH and Co KG Maschinenfabrik filed Critical Gebr Hofmann GmbH and Co KG Maschinenfabrik
Publication of GB1377881A publication Critical patent/GB1377881A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/16Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
    • B66F7/20Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/22Synchronisation of the movement of two or more servomotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
GB928373A 1972-03-09 1973-02-26 Leak-proofing systems for hydraulic lifting devices Expired GB1377881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2211447 1972-03-09

Publications (1)

Publication Number Publication Date
GB1377881A true GB1377881A (en) 1974-12-18

Family

ID=5838436

Family Applications (1)

Application Number Title Priority Date Filing Date
GB928373A Expired GB1377881A (en) 1972-03-09 1973-02-26 Leak-proofing systems for hydraulic lifting devices

Country Status (3)

Country Link
JP (1) JPS5237553B2 (enrdf_load_stackoverflow)
FR (1) FR2175058B3 (enrdf_load_stackoverflow)
GB (1) GB1377881A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113295333A (zh) * 2021-05-12 2021-08-24 张伟峰 一种新能源汽车蜂窝底盘检测支撑装置及其检测系统

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54172294U (enrdf_load_stackoverflow) * 1978-05-26 1979-12-05
JPS56158832U (enrdf_load_stackoverflow) * 1980-04-24 1981-11-26
JPS6172240U (enrdf_load_stackoverflow) * 1984-10-15 1986-05-16
GB2165815B (en) * 1984-10-19 1987-10-14 Didsbury Engineering Co Ltd Load-handling apparatus
JPH0725993B2 (ja) * 1988-10-03 1995-03-22 日立化成工業株式会社 エポキシ樹脂組成物

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113295333A (zh) * 2021-05-12 2021-08-24 张伟峰 一种新能源汽车蜂窝底盘检测支撑装置及其检测系统
CN113295333B (zh) * 2021-05-12 2024-01-30 广东宇豪新材料科技有限公司 一种新能源汽车蜂窝底盘检测支撑装置及其检测系统

Also Published As

Publication number Publication date
FR2175058B3 (enrdf_load_stackoverflow) 1976-03-05
JPS5237553B2 (enrdf_load_stackoverflow) 1977-09-22
JPS496380A (enrdf_load_stackoverflow) 1974-01-21
FR2175058A1 (enrdf_load_stackoverflow) 1973-10-19

Similar Documents

Publication Publication Date Title
GB1315328A (en) Valve unit and stem packing assembly
GB797684A (en) Improvements relating to u-section ring sealing devices
GB1377881A (en) Leak-proofing systems for hydraulic lifting devices
GB1257676A (enrdf_load_stackoverflow)
AU469497B2 (en) Hydrostatic pipe testing equipment
ES415976A1 (es) Perfeccionamientos introducidos en un acoplamiento rotativopara fluidos.
CA936753A (en) Hydraulic device having pressure dam valve means
GB952478A (en) Seals
GB816559A (en) Wedge ring for pipe lines
GB702105A (en) A sealing device for relatively moving parts
YU35190B (en) Elastic rolling packing ring for tightening pipe connections
GB1119719A (en) Fluid transfer apparatus
GB1276475A (en) Improvements in or relating to the shutting-off of pipelines
GB854133A (en) Improvements relating to high pressure pipe unions
GB870655A (en) Improvements in or relating to hydraulic roof supports
GB921380A (en) Fluid bearings
GB602585A (en) Improvements in or relating to sealing devices
AR244412A1 (es) Un conjunto de plastico para la obturacion o sellado de fisuras o taladros anulares, para su utilizacion como una obturacion estatica/dinamica en conectores de canos.
GB908119A (en) A new or improved sealing ring
GB1286116A (en) Improvements in pipe seals
ES379506A1 (es) Conjunto de junta para un accionador de fluido.
GB781383A (en) Improvements in or relating to gate valves
GB968117A (en) Improvements in or relating to mine roof supports
GB1407802A (en) Hydraulic valve apparatus
GB878528A (en) Improvements in or relating to pipe joints

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees