Cutlery – Cutting tools – Plural cooperating blades
Patent
1975-01-30
1976-11-02
Smith, Al Lawrence
Cutlery
Cutting tools
Plural cooperating blades
83916, B26B 1500
Patent
active
039888290
ABSTRACT:
A portable housing encloses a source of power which provides rotational motion. Means for converting the rotational motion to a reciprocal motion supports a punch which is reciprocated with respect to the housing along a particular surface of a first die member. A second die member is adapted to be disposed over the punch to form a die channel with the particular surface and to provide a cutting surface against which the sheet metal can be cut by the punch. Stripper means is provided to extend on the opposite side of the sheet metal from the cutting surface to maintain the sheet metal in a substantially contiguous relationship with the cutting surface of the second die member.
REFERENCES:
patent: 2535631 (1950-12-01), Gray
patent: 2750667 (1956-06-01), Johnson
patent: 2844872 (1958-07-01), Yermish
patent: 3340610 (1967-09-01), Hendrickson
Astropneumatics Tool Company
Peters J. C.
Primex Equipment Company
Roston Ellsworth R.
Smith Al Lawrence
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