Motor-operated press mechanism

Details Motor-operated press mechanism Motor-operated press mechanism

1995-11-20

1997-09-16

Jones, David

Metal deforming

With means to drive tool

Including link-actuated tool support

724525, B21J 918

Patent

active

056668503

ABSTRACT:
In a motor-operated press mechanism, a rocking link is rockingly supported by a supporting shaft which is pivotally supported by a top plate of a press machine, while a crank shaft which supports a crank is supported on one end portion of the rocking link, and a drive section is provided on another end portion of the rocking link, which, in a press working operation, regulates the position of the rocking link so that the crank shaft, the supporting shaft, and the press ram are substantially on a straight line, and, in a resetting operation, swings the rocking link so that the press ram is moved to a retracting position above the position where it is located in the press working operation.

REFERENCES:
patent: 1956658 (1934-05-01), Schmidt
patent: 3318762 (1967-05-01), Daniele et al.
patent: 3908434 (1975-09-01), Ribback
patent: 4034666 (1977-07-01), Bigun et al.
patent: 4229963 (1980-10-01), Savinov et al.
patent: 5408860 (1995-04-01), Bair et al.
patent: 5477725 (1995-12-01), Muller

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