Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1976-10-04
1978-01-03
Jones, Jr., James L.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29233, B23P 1904
Patent
active
040658430
ABSTRACT:
An hydraulic press for the simultaneous removal of all the brake lining rivets from a brake shoe. The shoe is magnetically retained between the bottom surface of a curved punch retainer and an anvil until the hydraulic system forces the anvil up to clamp the shoe. Hydraulic pressure then automatically forces a curved press against the top ends of spring-loaded drive punches appropriately positioned in the punch retainer so that they move to force the brake lining rivets from the shoe and through the anvil.
REFERENCES:
patent: 1717130 (1929-06-01), Weaver et al.
patent: 2392251 (1946-01-01), Matthews
patent: 2491119 (1949-12-01), Lewis
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