Conveyors – chutes – skids – guides – and ways – Rollerways – Submerging and rising
Patent
1974-10-22
1976-07-20
Schacher, Richard A.
Conveyors, chutes, skids, guides, and ways
Rollerways
Submerging and rising
221295, B65G 1300
Patent
active
039701808
ABSTRACT:
A solenoid actuated retractable stop including a pivoted arm selectively operable to block or pass articles moving along the surface of a roller conveyor characterized by a positive stop linkage adapted to resist impact engagement and cumulative loading of articles travelling on a conveyor including a pivoted mounting for the stop with lever linkage adapted to raise the stop above the conveyor surface level, a positive latch mechanism for holding the lever linkage in the raised stop position, a solenoid adapted to release the latch mechanism so that forward force of an article against the stop will cause it to pivot to a retracted position below the level of the conveyor and remain there during the overpassing of any article load, and a spring return mechanism adapted to raise the stop and reengage the latch upon de-energizing the solenoid subject to completion of any overpassing of any article load.
REFERENCES:
patent: 1669497 (1928-05-01), Steegmuller
patent: 2738103 (1956-03-01), Bisese
patent: 2980222 (1961-04-01), Crosby
patent: 3066828 (1961-12-01), Blake
patent: 3088569 (1963-05-01), McClelland
patent: 3216547 (1965-11-01), De Good
patent: 3819023 (1974-06-01), McClelland
patent: 3830409 (1974-08-01), Jenkinson
Melchior John G.
Schlottmann Herman
Rowland James L.
Schacher Richard A,.
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