Punch

Details Punch Punch

1995-11-13

1997-09-09

Rada, Rinaldi I.

Cutting

Means to drive or to guide tool

With simple rectilinear reciprocating motion only

83464, 83167, B26D 510, B27F 102

Patent

active

056644736

ABSTRACT:
A punch includes a base portion on which at least two punching units are disposed. The punching units are connected by a shaft extending therethrough. Each one of the punching units has an actuating device securely disposed to the shaft. The actuating device has at least one toothed element, a box portion disposed to each one of the punching unites and a block disposed in the box portion. The block provides a passage defined longitudinally therethrough and a punching rod disposed to an underside thereof and received in the passage. The block has at least on rack disposed thereto so as to engage to the toothed element such that when the shaft connected to a handle is pivoted, the block is moved downwardly, and each one of the punching devices slidably moves along the shaft so as to adjust a distance between two punching units.

REFERENCES:
patent: 2481883 (1949-09-01), Semler
patent: 2482218 (1949-09-01), Segal
patent: 3826168 (1974-07-01), Groswith, III et al.
patent: 4499805 (1985-02-01), Mori
patent: 5040441 (1991-08-01), Tamura

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