Stock material feed mechanism

Details Stock material feed mechanism Stock material feed mechanism

1986-06-09

1988-01-12

Levy, Staurt S.

Advancing material of indeterminate length

By intermittent material-mover

Adjustable feeder

B65H 2000

Patent

active

047185899

ABSTRACT:
An apparatus for adjusting a stroke of a stroke material feed mechanism used in a punch crank press comprises a throw member fixedly attached to the crank shaft of the press for joint rotation therewith. A crank pin means which provides for reciprocal movement of the feed block of the feed mechanism is attached to the throw member. Motor means displaces the crank pin means relative to the throw member to change the eccentricity of said crank pin means relative to the axis of the crank shaft whereby the amount of stock length advanced into the working area of the press is changed.

REFERENCES:
patent: 3368437 (1968-02-01), Bennet
patent: 3900142 (1975-08-01), Burtch et al.
patent: 4350090 (1982-09-01), Busse et al.

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