Pneumatic feeder for punch presses and the like

Details Pneumatic feeder for punch presses and the like Pneumatic feeder for punch presses and the like

1978-05-30

1980-04-01

McCarthy, Edward J.

Advancing material of indeterminate length

Plural material-moving means

With intermittent material-mover

226146, 226151, 226159, 226162, 251230, B65H 1742, B65H 1736, F16K 3900

Patent

active

041957610

ABSTRACT:
A dual slide pneumatic feeder for intermittently advancing stock into the work station of a punch press or the like wherein the fluid motors of the feeder are controlled by a fluid valve means that is adapted to be intermittently driven by a ratchet mechanism. The ratchet mechanism is adapted to be actuated from two different control points; first from a trigger means that is operable in response to the movement of the press ram, and secondly from a means operable in response to the completion of a feed stroke of one or both of the two feed slides. In this control environment the two feed slides may be made to execute a plurality of consecutive feed strokes in response to each cycle of operation of said press.

REFERENCES:
patent: 3136335 (1964-06-01), Beech
patent: 3329327 (1967-07-01), Scribner
patent: 3485430 (1969-12-01), Scribner
patent: 3512438 (1970-05-01), Burdge
patent: 3753522 (1973-08-01), Voges
patent: 3847320 (1974-11-01), Scribner
patent: 4051987 (1977-10-01), Scribner

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