Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1994-01-21
1995-04-11
Underwood, Donald W.
Material or article handling
Vertically swinging load support
Shovel or fork type
414722, 414912, 414917, E02F 328
Patent
active
054052378
ABSTRACT:
A tractor-mounted loader is provided with a leveling linkage including a pivot arm assembly pivotally mounted to each of a pair of loader arms at locations intermediate the ends of the latter. A first link is coupled between each post supporting the loader boom arm on the tractor and the pivot arm assembly while a tilt cylinder serves as a second link and is coupled between the pivot arm assembly and a tilt linkage for the implement. The pivot arm assembly of each linkage includes a pair identical plates fixed in spaced parallel relationship to each other and each plate contains an elongate pivot pin adjustment slot having the mounting pin for the tilt cylinder located therein. A releasable latch is provided for latching the mounting pin in a rear end of the slot to establish a first leveling linkage geometry desired for use with a loader bucket, the releasable latch being movable to an unlatched position permitting the mounting pin to move to a forward end of the slot for establishing a second leveling linkage geometry desired for use with a fork lift.
REFERENCES:
patent: 3155253 (1964-11-01), Pilch
patent: 3966070 (1976-06-01), Barth
patent: 3995756 (1976-12-01), Hjeim
Bomford Turner Ltd. literature, 2 pages, undated, describing the Bomford Loader Model B3518 marketed by Bomford Turner Ltd. of Great Britain.
Deere & Company
Underwood Donald W.
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