Feed apparatus

Details Feed apparatus Feed apparatus

1975-09-15

1976-12-21

Schacher, Richard A.

Advancing material of indeterminate length

By intermittent material-mover

With retrograde movement preventer

226 11, 226 46, 226159, 226164, B65H 1744

Patent

active

039983706

ABSTRACT:
Disclosed is apparatus for feeding length stock into a work tool such as a punch press. The feed apparatus includes a pneumatically operated traveling clamp and a pneumatically operated fixed position clamp. The traveling clamp is linearly reciprocated between two positions by a pneumatically operated lever and linkage which varies the velocity of the traveling clamp proportionately with distance from the fixed position clamp to decelerate the traveling clamp as the feed stock reaches the desired position in the work tool. Interdependent pneumatic control systems for sequencing the advancement of the stock with the cyclic operation of the work tool and for sequencing the clamps with the feed advancing mechanism are also disclosed.

REFERENCES:
patent: 2381571 (1945-08-01), Buchan
patent: 2787465 (1957-04-01), De La Motte
patent: 3159325 (1964-12-01), Toensing

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