Cutlery – Can opener – With control means energized in response to activator...
Patent
1979-02-14
1981-02-24
Vlachos, Leonidas
Cutlery
Can opener
With control means energized in response to activator...
30417, 30421, 30434, 82 48, 82 71, 82 76, B23Q 1700
Patent
active
042519179
ABSTRACT:
A portable drum opener tracks around a cover rim of a drum while cutting through an outer lip of the cover rim. It includes a rotatably driven drive wheel for engaging a radially inward facing surface of the cover rim for advancing the opener around the drum. A shaft that is movable toward and away from the outer lip of the cover rim carries a cutter wheel for pressing against and cutting through the outer lip in a region opposite the drive wheel. A pair of guide wheels are mounted for rolling against the outer lip of the cover on opposite sides of the drive wheel to support the opener during cutting, and a spring biased bracket urges the guide rollers against the outer lip of the cover. A lost motion coupling between the movable shaft and the guide roller bracket lets the guide rollers press independently against the drum rim during the cut but retracts the guide rollers away from the cutter rim when the cutter is retracted at the end of a cut.
REFERENCES:
patent: 2484504 (1949-10-01), Hanby
patent: 2603857 (1952-07-01), Hanby
patent: 2886887 (1959-05-01), Krist et al.
patent: 3006070 (1961-10-01), Nordquist
patent: 3110962 (1963-11-01), Krist et al.
patent: 3161952 (1964-12-01), Czapiewski
patent: 3667120 (1972-06-01), Krist
Peres Machines Division Honeoye Industries, Inc.
Vlachos Leonidas
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