Land vehicles: dumping – Tilting – Operating mechanism
Patent
1988-04-20
1991-09-17
Spar, Robert J.
Land vehicles: dumping
Tilting
Operating mechanism
254124, B60P 116
Patent
active
050488961
ABSTRACT:
An improved scissors-type hoist for dump truck bodies comprises an upper frame and a lower frame pivotally connected at a scissors axis. One end of the upper frame opposite the scissors axis is pivotally attached to the dump body, and one end of the lower frame opposite the scissors axis is pivotally attached to the truck chassis. A force multiplying power hinge assembly comprises an elongated guide link pivotally attached at one end to the lower frame and a lift link pivotally attached at one end to the upper frame, the other ends of the guide link and lift link being pivotally connected together. A hydraulic cylinder is pivotally connected at one end of the lower frame and at the other end to the pivotally connected guide and lift links.
REFERENCES:
patent: 2094521 (1937-09-01), Biszantz
patent: 2143291 (1939-01-01), Wachter
patent: 2314531 (1943-03-01), Wachter
patent: 2635004 (1953-04-01), Shadwick
patent: 3871706 (1975-03-01), Odom
patent: 4302050 (1981-11-01), Jones
Bulletin No. 2, Brochure from Hoist and Body Division, Garwood Industries, Inc., Detroit, Michigan, Oct. 15, 1937.
Krizek Janice
Spar Robert J.
Young James R.
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