Conveyors: power-driven – Conveyor section – Thrower
Patent
1980-12-08
1983-04-19
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Thrower
198772, 104135, 104162, B65G 3700
Patent
active
043802877
ABSTRACT:
An elongated oscillating live-roller conveyor is disposed between a pair of horizontal guide rails which project upwardly above the conveyor rollers for slidably guiding skids unidirectionally along the conveyor. A pair of one-way holding mechanisms are mounted on opposite sides of the skid and cooperate with the upper surfaces of the guide rails for causing the skid to be unidirectionally stepped along the conveyor as it reciprocates back and forth. The one-way holding mechanism includes an elongated dog which is swingably mounted on the side of the skid and has a lower edge which slides along the top surface of the guide rail during forward advance of the skid, and grippingly engages the top surface during retraction of the conveyor so as to prevent retraction of the skid.
REFERENCES:
patent: 2820542 (1958-01-01), Oswald
patent: 2901096 (1959-08-01), Burrows
patent: 3055313 (1962-09-01), Stoll et al.
patent: 3486609 (1969-12-01), Rogers
patent: 3642158 (1972-02-01), Koennecke et al.
patent: 4037714 (1977-07-01), Koepke
patent: 4079832 (1978-03-01), Gallei
patent: 4282970 (1981-08-01), Smock
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