Punch device and system comprising same

Details Punch device and system comprising same Punch device and system comprising same

2007-10-23

2007-10-23

Payer, Hwei-Siu (Department: 3724)

Cutlery

Perforating or indenting implements

Pointed

C030S358000, C030S360000, C030S366000

Reexamination Certificate

active

11274374

ABSTRACT:
A hole center marking system comprises a punch device and an alignment member. The punch device includes a body assembly and a punch movably disposed within the body assembly. The body assembly has a circular cross-sectional exterior shape at a first end portion thereof. An indenting tip portion of the punch is forcibly biased to a position within the body assembly adjacent the first end portion of the body assembly. The alignment member has a central bore configured for having the first end portion of the body assembly engaged therein. The central bore of the alignment member is size to provide a close-tolerance fit between the central bore and the first end portion of the body assembly.

REFERENCES:
patent: 93937 (1869-08-01), Wilcox
patent: 722559 (1903-03-01), Bond
patent: 1259335 (1918-03-01), Acton
patent: 2359699 (1944-10-01), Valentine
patent: 2595347 (1952-05-01), Flemming
patent: 2757457 (1956-08-01), Ziegelski, Sr.
patent: 2943389 (1960-07-01), Dubois
patent: 3382577 (1968-05-01), Rieder
patent: 4069586 (1978-01-01), Skelton
patent: 5791056 (1998-08-01), Messina
patent: 6684514 (2004-02-01), Welch

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