Punch press having retractable punching tools

Details Punch press having retractable punching tools Punch press having retractable punching tools

1983-11-03

1985-12-17

Meister, James M.

Cutting

Operation of member controlled by means responsive to...

83368, 83563, B26F 114

Patent

active

045586160

ABSTRACT:
The present invention relates to a punch press having upper and lower punching tools to punch a workpiece, a workpiece positioning device to move and position the workpiece, a lower tool support member on which the lower punching tool is detachably mounted, and a slide base on which the tool support member is slidably mounted. The boundary surfaces between the tool support member and the slide base are inclined to allow the lower tool to be obliquely lowered away from the workpiece positioning device.

REFERENCES:
patent: 3253492 (1966-05-01), Petros et al.
patent: 3392613 (1968-07-01), Johns
patent: 3874262 (1975-04-01), Cailloux
patent: 3937113 (1976-02-01), Pancook et al.
patent: 3964358 (1976-06-01), Stefano
patent: 4391123 (1983-07-01), Salvagnini
patent: 4399725 (1983-08-01), Milan

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