Shop press

Details Shop press Shop press

1986-02-18

1986-11-04

Schmidt, Frederick R.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

100257, 188 8284, B23P 1904

Patent

active

046203524

ABSTRACT:
A shop press that includes a fixed-height table capable of supporting a workpiece. A ram assembly is mounted for vertical movement over the table. The ram assembly carries a fluid power head, and is arranged to permit the head to be moved horizontally so as to position the head at any desired location relative to the device table and a workpiece carried thereon. A system for vertically moving the ram assembly includes a cable arrangement connected between dual drums on the table and pulleys journaled on ram assembly legs. As the cable is wound upon or let off the drums, the ram assembly is moved upwardly or downwardly. A slip clutch and brake assembly permits the ram assembly to be moved upwardly without the interference of frictional force, but a frictional drag brake action is applied as the ram is moved downwardly to control such downward movement.

REFERENCES:
patent: 1280296 (1918-10-01), Pruyn
patent: 1645554 (1927-10-01), Taylor
patent: 1758451 (1930-05-01), Manley
patent: 3168034 (1965-02-01), McClocklin et al.
patent: 3201967 (1965-08-01), Balamouth
patent: 3495527 (1970-02-01), Lafreniere

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