Hardware press and punch apparatus

Details Hardware press and punch apparatus Hardware press and punch apparatus

1980-11-05

1983-07-05

Crane, Daniel C.

192 clutches and power-stop control

Stop mechanism

Safety device

192134, 29708, 72 1, B23Q 1100

Patent

active

043913580

ABSTRACT:
Presented is a hardware punch and/or press apparatus adapted to assemble fastening devices to or punch holes in hardware for various purposes. The apparatus includes a stationary tool or anvil on which hardware on which an operation is to be performed is supported, and a hydraulically operated ram adapted to move against the work piece or hardware upon activation of an appropriate switch. In one aspect of the invention, a mechanism is provided to effect retraction of the hydraulically operated ram without the imposition of a destructive pressure if the operator's finger is contacted by the ram.

REFERENCES:
patent: 1684296 (1928-09-01), Brodsky
patent: 2387478 (1945-10-01), Tiffany
patent: 2400486 (1946-05-01), Carlyle
patent: 2438837 (1948-03-01), Archer et al.
patent: 2767819 (1956-10-01), Cullerton, Jr. et al.
patent: 3240310 (1966-03-01), Sandeman
patent: 3315049 (1967-04-01), Cain
patent: 3487182 (1969-12-01), Grundy
patent: 3803898 (1974-04-01), Speakman
patent: 3866004 (1975-02-01), Nawrocki
patent: 3939314 (1976-02-01), Loeser
patent: 4060160 (1977-11-01), Lieber
patent: 4075961 (1978-02-01), Harris

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