Conveyors: power-driven – Conveyor arrangement for selecting among plural sources or... – By passive material-diverting means placed across the flow path
Patent
1976-12-03
1978-03-14
Blunk, Evon C.
Conveyors: power-driven
Conveyor arrangement for selecting among plural sources or...
By passive material-diverting means placed across the flow path
198796, 198850, B65G 4300
Patent
active
040786498
ABSTRACT:
A sorting conveyor having a row of elements each having an article support face operable to be laterally displaced in a selective manner in response to rotation of a drive shaft. The rotation is transmitted to the shaft through a selectively operable power transfer device provided on each element and including a first pulley for rollingly engaging an elongated rack mounted adjacent one or more unloading stations along the conveyor that has a concentric gear wheel portion, a second pulley is mounted concentrically on the shaft and has a gear wheel portion cooperating with the gear wheel portion of the first pulley. The gear wheel portions are arranged in a planet gear like manner with the first pulley being laterally displaceable between a retracted position out of engagement with said rack and an operative position in which it is engageable therewith and in driving engagement with said second pulley, the displacement of the first pulley being effected by means of a selectively operated actuator means.
REFERENCES:
patent: 1475962 (1923-12-01), Olson
patent: 2808146 (1957-10-01), Leach
patent: 3231068 (1966-01-01), Harrison et al.
patent: 4004681 (1977-01-01), Clewett et al.
Blunk Evon C.
Kosan Crisplant A/S
Valenza Joseph E.
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