Hole-piercing punch

Details Hole-piercing punch Hole-piercing punch

2008-03-26

2011-11-01

Choi, Stephen (Department: 3724)

Cutting

Means to drive or to guide tool

With simple rectilinear reciprocating motion only

C083S684000

Reexamination Certificate

active

08047112

ABSTRACT:
The pivoting shaft of a handle member has an axial center position in a support platform that is substantially fixed, and the position with respect to the handle member is to be displaceable. Furthermore, as for a support shaft, the position in the handle member is fixed, and the axial center of the pivoting shaft is positioned near a perpendicular bisector of a segment connecting both ends of a support shaft-guiding hole.

REFERENCES:
patent: 926261 (1909-06-01), Krag
patent: 2328558 (1943-09-01), Kipp
patent: 2445093 (1948-07-01), Von Cseh
patent: 7331266 (2008-02-01), Chen
patent: 289712 (1953-03-01), None
patent: 702572 (1941-02-01), None
patent: 418607 (1934-10-01), None
patent: 2185208 (1987-07-01), None
patent: 2302518 (1997-01-01), None
patent: 08-141995 (1996-06-01), None
patent: 2002-331496 (2002-11-01), None
patent: 2006-198684 (2006-08-01), None

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