Device for raking a storage heap

Details Device for raking a storage heap Device for raking a storage heap

1982-06-23

1985-09-10

Valenza, Joseph E.

Conveyors: power-driven

Conveyor having means specialized for collecting a load from...

Having means mounting conveyor for pile surface attack

414133, B65G 6510

Patent

active

045400857

ABSTRACT:
An apparatus for a raking device which illustratively includes a harrow, which moves along a bridge in a reciprocating direction and which includes a mechanism for ensuring that any motion of an apex of the harrow is substantially linear as the harrow moves throughout its entire range of travel, is described. Specifically, this mechanism is comprised of a flexible tension element which forms part of a hoist and is reeved between a stationary support and the harrow such that the effective length, of the part of the flexible tension element which determines the inclination of the harrow, is adjusted in direct response to the distance through which the harrow has moved along the bridge with respect to an end point of its travel.

REFERENCES:
patent: 4971 (1872-07-01), Weston
patent: 64527 (1867-05-01), Hardcastle
patent: 519586 (1894-05-01), Murphy
patent: 2934211 (1960-04-01), Shivek
patent: 4264256 (1981-04-01), Berthold

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