Can opener

Cutlery – Can opener – With control means energized in response to activator...

Patent

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Details

30405, 30423, B67B 738

Patent

active

040288056

ABSTRACT:
An electric motor-driven can opener having a push button-operated switch to close the energization circuit for the motor is disclosed. The can-opening mechanism includes a cutter blade and can-turning gear combination, a vertically reciprocatable slide member supporting the cutter blade and a cam follower, and a power gear and box cam combination driven by the motor for vertically displacing the cam follower. In operation, after a can to be opened has been loaded into the cutting mechanism without the lid being penetrated by the cutter blade, the motor is started by depression of the push button to effect rotation of the gear, the switch being held in its "closed" position by a latch even after the button is released. The cam initially forces the cam follower and therewith the slide member downwardly slightly, so that the cutter blade is forced through the lid of the can at the beginning of the cycle and is then held there while the can turns to sever the lid from the body of the can. At the end of the cycle, a rise in the cam raises the cam follower and the slide member to retract the cutter blade upwardly and thereby to release the can from the cutting mechanism and concurrently to unlatch the switch so as to enable it to return to its "open" position and open the motor energization circuit. A lightly upwardly biased, vertically movable horizontal platform is provided below the cutter blade and turning gear combination for supporting the lidless released can until it is removed by the user. This abstract is not to be taken either as a complete exposition or as a limitation of the present invention, however, the full nature and extent of the invention being discernible only by reference to and from the entire disclosure.

REFERENCES:
patent: 2692426 (1954-10-01), Newsom
patent: 2789345 (1957-04-01), Klassen
patent: 2853776 (1958-09-01), Smith
patent: 2916817 (1959-12-01), Nordquist
patent: 3315352 (1967-04-01), Scott
patent: 3878604 (1975-04-01), Smith

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