Punch assembly and methods of using same

Details Punch assembly and methods of using same Punch assembly and methods of using same

2005-07-12

2005-07-12

Watts, Douglas D (Department: 3724)

Cutlery

Perforating or indenting implements

Pointed

C030S233000

Reexamination Certificate

active

06915579

ABSTRACT:
The present invention relates, in general, to a punch assembly and methods of using same and, more particularly, to a punch assembly that is capable of accurately and repeatedly measuring an intersecting point at which a hold or indentation can be put in a sheet of material such as, but not by way of limitation, a sheet of metal.

REFERENCES:
patent: 503109 (1893-08-01), Davis et al.
patent: 600587 (1898-03-01), Low
patent: 1376492 (1921-05-01), Whitney
patent: 1750929 (1930-03-01), Griswold
patent: 2364011 (1944-11-01), Wales
patent: 2980997 (1961-04-01), Hendricks
patent: 4033037 (1977-07-01), Cooley
patent: 4488358 (1984-12-01), Leggett, Jr.
patent: 5560110 (1996-10-01), Haines
patent: 6367362 (2002-04-01), Brazell et al.

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