Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1998-04-20
2000-09-12
Underwood, Donald W.
Material or article handling
Vertically swinging load support
Shovel or fork type
414686, E02F 300
Patent
active
061168467
ABSTRACT:
A front end loader assembly that is attachable to a truck not otherwise intended to use a front end loader. The front end loader assembly includes a stationary mount that attaches to the chassis of the vehicle. A frame structure is provided having a pair of generally vertical frame elements and at least one generally horizontal frame element. The frame structure is pivotably coupled to the stationary mount at a first point of attachment. A single first hydraulic cylinder extending between the stationary mount and the frame structure, wherein the first hydraulic cylinder is capable of moving the frame structure relative the stationary mount about the first point of attachment. An arm structure is coupled to the frame structure by a hinged connection. A single second hydraulic cylinder extends between the frame structure and the arm structure, wherein the second hydraulic cylinder is capable of moving the arm structure relative the frame assembly. A bucket is coupled to the arm structure. A third cylinder is coupled between the bucket and the arm structure for selectively moving the bucket relative to the arm structure.
REFERENCES:
patent: 2489629 (1949-11-01), Ford
patent: 2822941 (1958-02-01), Harter
patent: 3876092 (1975-04-01), MacDonald
patent: 4923362 (1990-05-01), Fryk
patent: 5184932 (1993-02-01), Misuda
patent: 5535533 (1996-07-01), Romanchok
patent: 5582502 (1996-12-01), Herin
patent: 5595471 (1997-01-01), Ajilore
patent: 5674046 (1997-10-01), Meyer
patent: 5695310 (1997-12-01), Foster et al.
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