Presses – Reciprocating press construction – Fluid pressure actuation
Patent
1975-01-16
1976-07-13
Makay, Albert J.
Presses
Reciprocating press construction
Fluid pressure actuation
100142, 100215, B65F 300
Patent
active
039688917
ABSTRACT:
A trash hopper comprises part of a unitary structure including a housing that is formed, in part, by a swingable pre-compactor panel that in a retracted position slopes downwardly and rearwardly to gravitationally feed refuse toward the collection bin. Along a horizontal lower edge this panel is mounted for pivotal movement about an axis located in substantially the same vertical plane as the rear face of a reciprocable primary compaction ram which acts as a piston to force trash in the collection bin rearwardly through an open rear end of the hopper and to compact trash in the collection tank of a dump vehicle or other container. In the retracted position the pivotally mounted panel serves as a protective enclosure for its own actuating means and for the retracted ram and its hydraulic actuating cylinder or cylinders. On occasions when the hopper is overfilled, particularly with relatively low density, highly compressible materials, the swingable panel is moved rearwardly and downwardly to precompact the refuse and, by virtually closing the upwardly facing opening of the hopper defines an essentially closed conduit through which the primary compacting ram may reciprocate.
REFERENCES:
patent: 2961105 (1960-11-01), Shubin
patent: 3211309 (1965-10-01), Shubin
patent: 3371599 (1968-03-01), Tezuka
patent: 3890889 (1975-06-01), Fishburne
Makay Albert J.
Maxon Industries, Inc.
Mueller Frederick E.
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