Cutlery – Perforating or indenting implements – Pointed
Patent
1977-02-04
1978-04-11
Peters, Jimmy C.
Cutlery
Perforating or indenting implements
Pointed
33191, B26F 132
Patent
active
040831094
ABSTRACT:
A guide having varying diameter holes over one of its surfaces, with each hole having a bottom partition, is provided to receive within the holes the ends of dowels, pins, rods, and the like, to be center held for punching or for sizing. Smaller holes aligned with the varying diameter holes are formed in the bottom partition and emerge from the opposite surface of the guide, the smaller holes being adapted to receive the center punch. The guide can also be positioned with the varying diameter holes facing upward, so that the punch can be inserted through both the larger and smaller holes for accurately aligning the punch to a desired point on a flat surface. Preferably, the varying diameter holes will be of a size to fit appropriate size shanks of drills, so that the punch guide can also be used as a drill holder. Also, a socket can be molded into the bottom of the guide for storing the punch. A first punch for use with the guide has points at both ends and a larger diameter shank therebetween. A removable cap can be placed over one point to provide a tapping surface so that the opposite point can be used for center punching. A second punch has a single point with a flat adjacent thereto for preventing breakdown of the corners when centering holes of lesser diameter than the punch.
REFERENCES:
patent: 1449136 (1923-03-01), Yates
patent: 1508175 (1924-09-01), Fontaine
patent: 1904242 (1933-04-01), Kieckheafer
patent: 2809439 (1957-10-01), Ringgold
patent: 3482324 (1969-12-01), Samhat
Caplan Julian
Peters Jimmy C.
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