Punching tool

Details Punching tool Punching tool

1998-10-05

2000-11-07

Rada, Rinaldi

Cutting

With signal, scale, or indicator

Indicates tool position

8352223, 8369941, 8369961, B26F 102

Patent

active

061420522

ABSTRACT:
A punching tool includes: a punch driver transmitting an impact force to a punch body and having a screw portion on an outer peripheral surface of an upper portion; a punch head having a screw portion meshed with the screw portion of the punch driver on an inside surface and having a main scale provided in a vertical direction on an outside surface; a punch head rotation preventing means freely selecting a rotation and a fixation of the punch head with respect to the punch driver; and a punch head collar freely rotating and fixing with respect to the punch driver and provided with a sub scale showing a change of a height of the punch head in cooperation with the main scale.

REFERENCES:
patent: 2808108 (1957-10-01), Pelligrino
patent: 3205742 (1965-09-01), Williamson
patent: 4375774 (1983-03-01), Wilson et al.
patent: 5020407 (1991-06-01), Brinlee
patent: 5299609 (1994-04-01), Wedler
patent: 5329835 (1994-07-01), Timp et al.

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