Conveyors: power-driven – With means to facilitate working – treating – or inspecting... – Means engaging conveyor or load on a conveyor to align load...
Patent
1976-10-19
1978-06-20
Blunk, Evon C.
Conveyors: power-driven
With means to facilitate working, treating, or inspecting...
Means engaging conveyor or load on a conveyor to align load...
B65G 2120
Patent
active
040956873
ABSTRACT:
In a pallet-advancing machine where friction plates on a pair of spaced chains directly engage the bottom face of the pallets near the side edges leaving the central part of the underface of the pallets free. An escapement mechanism embodies a shaft which is mounted adjacent to one or more stations on the center line of the pallets for rotational movement. Stop lugs are mounted on the shaft in position to stop a pallet with one type of stop block at a work station and a pallet with another type of block at a waiting station. By rotating the shaft, the advancement of a pallet into the work station is accurately controlled at the time another pallet is stopped at the waiting station. Two pallets may be advanced at the same time to have one or both located at one or adjacent work stations, the positions for which are accurately controlled by the angular rotation of the shaft first in one direction then in the other direction.
REFERENCES:
patent: 1440288 (1922-12-01), Gray
patent: 2675119 (1954-04-01), Birch
patent: 2772416 (1956-12-01), Dorosz et al.
patent: 3650373 (1972-03-01), Kern et al.
patent: 3690433 (1972-09-01), Buldini
patent: 3858707 (1975-01-01), Block et al.
Blunk Evon C.
Standard Tool & Manufacturing Co
Watts Douglas D.
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