Push button operated can opener

Details Push button operated can opener Push button operated can opener

1976-01-19

1976-12-07

Smith, Gary L.

Cutlery

Carton openers

B67B 738

Patent

active

039953661

ABSTRACT:
A power operated can opener includes a feed wheel that is driven by a shaft carried on a pivotal yoke, with the shaft being driven by an electric motor through reduction gearing. A pawl is pivoted to a rock plate which is in turn pivoted to a spring loaded lever mounted on the can opener frame. The pawl is operated by a pair of push buttons and associated linkage which energizes the motor as the pawl is pivoted against the feed wheel shaft. Orbiting pins carried outboard of the shaft axis are engaged by the pawl to effect movement of the feed wheel toward or away from the can cutting element between a can shearing position and a can release position.
A roller carried on the rock plate is moved against the shaft to lock the feed wheel in can shearing position. The spring loaded lever provides a cushioning means which increases the thrust of the feed wheel and thus improves the efficiency of the initial piercing of the can end. The cutting element is carried on a mounting plate which is retained on the can opener frame by a releasable latch.

REFERENCES:
patent: 3528175 (1970-09-01), Rich
patent: 3611565 (1971-10-01), McLean
patent: 3736659 (1973-06-01), McLean

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