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US4504077A Expired / Lapsed US ⏱️ 0.0 years remaining

Implement attachment devices for land vehicles

Assignee: CENTURY FABRICATIONS Ltd A CORP OF GT BRITAIN
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Filing: 1982-10-05
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Granted: 1985-03-12
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Expires: 2002-10-05
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Abstract

Abstract A land vehicle, which can easily be provided with a large number of different tools, which tools can be used in a number of different locations, has a frame (3,4) secured to the vehicle and preferably extending across the full width thereof, a mast (10,11) laterally slidable on the frame (3,4), tool-attachment means (15) slidably mounted on the mast (10,11), and power-controlled means (12,14) for raising and lowering said tool-attachment means (15) on the mast (10,11).

Inventors

  • 👤 Albert W. Hobbs

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 17:57
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/08; B66F9/10

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 144 words
A device for attaching implements to a vehicle comprising: (a) a frame secured to the vehicle; (b) a vertically-extending mast laterally slideable on said frame; (c) an intermediate carriage slideably mounted for vertical movement up and down said mast; (d) first hydraulic means operatively associated with said mast and said intermediate carriage for raising and lowering said carriage up and down said mast; (e) a mounting plate mounted on said carriage to pivot about a horizontal pivot axis fixed in said carriage; (f) second hydraulic means operatively associated with said carriage and said mounting plate for controlling the angular position of said mounting plate about said first axis between a first position in which said plate is inclined backwardly and a second position in which said plate is inclined forwardly; and (g) attachment means on said mounting plate for releasably attaching said implement thereto.
Claim 2
Independent Claim 144 words
A device for attaching implements to a vehicle comprising: (a) a frame secured to the vehicle; (b) a vertically-extending mast laterally slideable on said frame; (c) an intermediate carriage slideably mounted for vertical movement up and down said mast; (d) first hydraulic means operatively associated with said mast and said intermediate carriage for raising and lowering said carriage up and down said mast; (e) a mounting plate mounted on said carriage to pivot about a horizontal pivot axis fixed in said carriage; (f) second hydraulic means operatively associated with said carriage and said mounting plate for controlling the angular position of said mounting plate about said first axis between a first position in which said plate is inclined backwardly and a second position in which said plate is inclined forwardly; and (g) attachment means on said mounting plate for releasably attaching said implement thereto.
Claim 3
Dependent Claim 18 words
A device as claimed in claim 1, wherein said frame extends across the full width of the vehicle.
Claim 4
Dependent Claim 18 words
A device as claimed in claim 1, wherein said frame is mounted at the front of the vehicle.
Claim 5
Dependent Claim 18 words
A device as claimed in claim 1, wherein said frame is mounted at the rear of the vehicle.
Claim 6
Dependent Claim 20 words
A device as claimed in claim 1, wherein said frame is provided at each end with a respective ground-engaging jack.
Claim 7
Dependent Claim 40 words
A device as claimed in claim 1, wherein said tool-attachment means is in the form of a mounting frame or plate pivotally mounted on said carriage for tilting about an axis which is normally horizontal when the vehicle is level.
Claim 8
Dependent Claim 32 words
A device as claimed in claim 1 wherein said first hydraulic means is a hydraulic cylinder secured to said intermediate carriage and movable on a piston fixed with respect to said mast.
Claim 9
Dependent Claim 33 words
A device as claimed in claim 1, wherein said mast is mounted for manual movement across said frame, locking means being provided for locking said mast at any desired position on said frame.

References Cited (Backward Citations)

GB1181589A Cited
US3490633A Cited
GB1317532A Cited
GB1389354A Cited
GB1431777A Cited
GB1486499A Cited
GB1591061A Cited
GB2022552A Cited
US4153270A Cited
GB2042470A Cited
US4356893A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-03-11 1988-09-10 1989-03-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-03-11 1992-09-10 1993-03-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-03-11 1996-09-10 1997-03-12 $7700.00 Window Closed / Lapsed

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