GB2233044B - Trailer lifting and lowering system - Google Patents

Trailer lifting and lowering system

Info

Publication number
GB2233044B
GB2233044B GB9006298A GB9006298A GB2233044B GB 2233044 B GB2233044 B GB 2233044B GB 9006298 A GB9006298 A GB 9006298A GB 9006298 A GB9006298 A GB 9006298A GB 2233044 B GB2233044 B GB 2233044B
Authority
GB
United Kingdom
Prior art keywords
lowering system
trailer lifting
trailer
lifting
lowering
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 - Fee Related
Application number
GB9006298A
Other versions
GB9006298D0 (en
GB2233044A (en
Inventor
Robert H Schneider
John W Rafensperger
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.)
Versa Technologies Inc
Original Assignee
Versa Technologies Inc
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 Versa Technologies Inc filed Critical Versa Technologies Inc
Publication of GB9006298D0 publication Critical patent/GB9006298D0/en
Publication of GB2233044A publication Critical patent/GB2233044A/en
Application granted granted Critical
Publication of GB2233044B publication Critical patent/GB2233044B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
    • B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
    • B60S9/10—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting by fluid pressure
    • B60S9/12—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting by fluid pressure of telescopic type

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Braking Systems And Boosters (AREA)
GB9006298A 1989-03-23 1990-03-21 Trailer lifting and lowering system Expired - Fee Related GB2233044B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32753989A 1989-03-23 1989-03-23

Publications (3)

Publication Number Publication Date
GB9006298D0 GB9006298D0 (en) 1990-05-16
GB2233044A GB2233044A (en) 1991-01-02
GB2233044B true GB2233044B (en) 1993-03-24

Family

ID=23276962

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9006298A Expired - Fee Related GB2233044B (en) 1989-03-23 1990-03-21 Trailer lifting and lowering system

Country Status (3)

Country Link
CA (1) CA2012685C (en)
DE (1) DE4009114A1 (en)
GB (1) GB2233044B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102975586B (en) * 2012-11-01 2014-12-31 西安电子工程研究所 Hydraulic four-point leveling method with accuracy less than 1 minute

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB983441A (en) * 1960-05-25 1965-02-17 Dobson Ltd W E & F Improvements relating to the displacement of kerbs for traffic control
GB1484990A (en) * 1974-10-04 1977-09-08 Smiths Industries Ltd Hydraulic systems
GB1555617A (en) * 1976-05-26 1979-11-14 Borg Warner Fluid control systems
EP0177482A2 (en) * 1984-09-24 1986-04-09 "NEUSON" Hydraulik Gesellschaft m.b.H. u. Co. KG Device for supporting, raising and lowering of semitrailers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB983441A (en) * 1960-05-25 1965-02-17 Dobson Ltd W E & F Improvements relating to the displacement of kerbs for traffic control
GB1484990A (en) * 1974-10-04 1977-09-08 Smiths Industries Ltd Hydraulic systems
GB1555617A (en) * 1976-05-26 1979-11-14 Borg Warner Fluid control systems
EP0177482A2 (en) * 1984-09-24 1986-04-09 "NEUSON" Hydraulik Gesellschaft m.b.H. u. Co. KG Device for supporting, raising and lowering of semitrailers

Also Published As

Publication number Publication date
GB9006298D0 (en) 1990-05-16
CA2012685C (en) 1995-08-15
GB2233044A (en) 1991-01-02
CA2012685A1 (en) 1990-09-23
DE4009114A1 (en) 1990-09-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940321