Conveyors – chutes – skids – guides – and ways – Chutes – Flexible wall
Patent
1990-01-18
1991-06-04
Olszewski, Robert P.
Conveyors, chutes, skids, guides, and ways
Chutes
Flexible wall
193 33, 193 2A, 193 25C, 232 44, 52195, B65G 1110
Patent
active
050206516
ABSTRACT:
A chute is disclosed for passing articles such as laundry between floors or walls in a building. The chute has a tubular frame to be securely inserted in an opening in a planar partition, and a flexible tube attached to and hanging from the frame. The tubular frame has a peripheral wall defining an inlet in communication with one side of the planar partition and an outlet extending beyond the other side of the planar partition. A peripheral flange is outwardly directed from the peripheral wall adjacent to the inlet and is adapted to rest against one side of the planar partition. A gripping projection extends transversely from the peripheral wall and is spaced from the other side of the planar partition. The flexible tube is releasably attached to the gripping projection. A lid is movably connected to the frame to open and close the inlet.
REFERENCES:
patent: 263952 (1882-09-01), Penn
patent: 1004268 (1911-09-01), Jackson
patent: 1719545 (1929-07-01), Grapp
patent: 1822530 (1931-09-01), Kind
patent: 2297544 (1942-09-01), Elwood
patent: 3583748 (1971-06-01), Arndt
patent: 3684072 (1972-08-01), Castrellon
patent: 3893615 (1975-07-01), Johnson
patent: 4778031 (1988-10-01), Luriel
Bidwell James R.
Olszewski Robert P.
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