GB2316668B - Excavator arm having an elevation limiting system - Google Patents

Excavator arm having an elevation limiting system

Info

Publication number
GB2316668B
GB2316668B GB9717881A GB9717881A GB2316668B GB 2316668 B GB2316668 B GB 2316668B GB 9717881 A GB9717881 A GB 9717881A GB 9717881 A GB9717881 A GB 9717881A GB 2316668 B GB2316668 B GB 2316668B
Authority
GB
United Kingdom
Prior art keywords
limiting system
excavator arm
elevation limiting
elevation
excavator
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
GB9717881A
Other versions
GB2316668A8 (en
GB2316668A (en
GB9717881D0 (en
Inventor
Robert Wilson
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.)
Individual
Original Assignee
Individual
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 claimed from GBGB9617842.1A external-priority patent/GB9617842D0/en
Application filed by Individual filed Critical Individual
Priority to GB9717881A priority Critical patent/GB2316668B/en
Publication of GB9717881D0 publication Critical patent/GB9717881D0/en
Publication of GB2316668A publication Critical patent/GB2316668A/en
Publication of GB2316668A8 publication Critical patent/GB2316668A8/en
Application granted granted Critical
Publication of GB2316668B publication Critical patent/GB2316668B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2025—Particular purposes of control systems not otherwise provided for
    • E02F9/2033—Limiting the movement of frames or implements, e.g. to avoid collision between implements and the cabin

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
GB9717881A 1996-08-24 1997-08-26 Excavator arm having an elevation limiting system Expired - Fee Related GB2316668B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9717881A GB2316668B (en) 1996-08-24 1997-08-26 Excavator arm having an elevation limiting system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9617842.1A GB9617842D0 (en) 1996-08-24 1996-08-24 Excavator arm elevation limiting system
GB9717881A GB2316668B (en) 1996-08-24 1997-08-26 Excavator arm having an elevation limiting system

Publications (4)

Publication Number Publication Date
GB9717881D0 GB9717881D0 (en) 1997-10-29
GB2316668A GB2316668A (en) 1998-03-04
GB2316668A8 GB2316668A8 (en) 1999-10-08
GB2316668B true GB2316668B (en) 2000-05-17

Family

ID=26309925

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9717881A Expired - Fee Related GB2316668B (en) 1996-08-24 1997-08-26 Excavator arm having an elevation limiting system

Country Status (1)

Country Link
GB (1) GB2316668B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072137A (en) * 1980-02-20 1981-09-30 Cella Spa Limiting the range of lifting apparatus
US4516117A (en) * 1982-04-05 1985-05-07 Raymond Couture Range controller for continuously monitoring the position of the boom of heavy machinery
EP0412400A1 (en) * 1989-08-08 1991-02-13 Siemens Aktiengesellschaft Collision safety device for earth moving machines
DE4342963A1 (en) * 1993-12-16 1995-06-22 Atlas Weyhausen Gmbh Limiting movement of powered arm of construction machine
WO1995023925A1 (en) * 1994-03-02 1995-09-08 Alois Wimmer Safety arrangement on hydraulic piston-cylinder units

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072137A (en) * 1980-02-20 1981-09-30 Cella Spa Limiting the range of lifting apparatus
US4516117A (en) * 1982-04-05 1985-05-07 Raymond Couture Range controller for continuously monitoring the position of the boom of heavy machinery
EP0412400A1 (en) * 1989-08-08 1991-02-13 Siemens Aktiengesellschaft Collision safety device for earth moving machines
DE4342963A1 (en) * 1993-12-16 1995-06-22 Atlas Weyhausen Gmbh Limiting movement of powered arm of construction machine
WO1995023925A1 (en) * 1994-03-02 1995-09-08 Alois Wimmer Safety arrangement on hydraulic piston-cylinder units

Also Published As

Publication number Publication date
GB2316668A8 (en) 1999-10-08
GB2316668A (en) 1998-03-04
GB9717881D0 (en) 1997-10-29

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Legal Events

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

Effective date: 20010826