Conveyor stop gate

Details Conveyor stop gate Conveyor stop gate

1985-03-25

1987-05-05

Nase, Jeffrey V.

Conveyors, chutes, skids, guides, and ways

Skidways

Retarder

193 35A, 1984634, B65G 4722

Patent

active

046625003

ABSTRACT:
A gate is provided for temporarily stopping a flow of objects moving along a conveyor. The gate is operated by a pneumatic actuator which overcomes the force of a spring to close the gate. The spring which holds the gate open is preferably a helical torsion spring which exerts relatively even force against the arm over the entire travel of the arm. Spring tension is adjustable to minimize the force exerted by the spring. The diaphragm of the pneumatic actuator is made to withstand pressures of up to 120 p.s.i.

REFERENCES:
patent: 2605097 (1952-07-01), Masoner
patent: 2823413 (1958-02-01), Stewart
patent: 2980222 (1961-04-01), Crosby
patent: 3083400 (1963-04-01), Anderson
patent: 3185277 (1965-05-01), Agnew
patent: 3561578 (1971-02-01), Goodwin
patent: 4027899 (1977-06-01), Hawes et al.
patent: 4184579 (1980-01-01), Kantarian et al.
patent: 4255642 (1981-03-01), Livera

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