Material or article handling – Vertically swinging load support – Shovel or fork type
Reexamination Certificate
2004-09-07
2009-12-15
Underwood, Donald (Department: 3652)
Material or article handling
Vertically swinging load support
Shovel or fork type
C037S468000, C403S327000
Reexamination Certificate
active
07632056
ABSTRACT:
This invention concerns a device (1) for attaching a loader (2) to a vehicle (3), usually a tractor, where the loader (2) comprises openings (4) in parts (6) facing the vehicle (3) and the vehicle (3) comprises openings (5) in attaching parts (7) facing the loader (2) and where the openings (4, 5) when attaching are arranged so that the centre point P of each opening lies on an axis common to all the openings (4, 5). The device is characterised in a fixed part (8) arranged on the outside (6a) of the loader, a moving part (9) that can move in relation to the fixed part (8) and which is protected, controlled and directed by the fixed part (8) and an influencing part (16) that conveys a force (F) to the moving part (9) so that it strives to attain a locking position and where the moving part (9) when attaching moves from an open position where there is no locking action between the loader and the tractor to an intermediate position where the continued locking motion of the moving part (9) can be activated by the tractor, whereby the influencing part (16) is activated and the moving part (9) is moved further to a locking position at which the moving part (9) is arranged in the openings (4, 5) and through interaction with them locks the loader (2) to the tractor (3) and is kept in its locking position by force (F) from the influencing part (16).
REFERENCES:
patent: 3220487 (1965-11-01), Pilch
patent: 3805980 (1974-04-01), Kisaka
patent: 5540289 (1996-07-01), Hirooka et al.
patent: 6530741 (2003-03-01), Kourogi et al.
patent: 2004/0067126 (2004-04-01), Schmidt
patent: 0 178 556 (1986-04-01), None
patent: 2 013 014 (1990-04-01), None
patent: 2 208 372 (1974-06-01), None
International Search Report for PCT/SE2004/001282 dated Dec. 6, 2004.
Ålö AB
Nixon & Vanderhye P.C.
Underwood Donald
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