US PATENT SUBCLASS 30 / 416
.~ With driven roller to continuously engage bead and relatively rotate can and opener

Current as of: June, 1999
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30 /   HD   CUTLERY

400  DF  CAN OPENER {15}
416.~ With driven roller to continuously engage bead and relatively rotate can and opener {5}
417  DF  .~.~> Side cut {1}
419  DF  .~.~> With means enabling quick release of cutter
420  DF  .~.~> Roller drive means causes initial piercing {2}
423  DF  .~.~> Including prime mover {1}
426  DF  .~.~> Cutter comprising rotatable disc {1}

DEFINITION

Classification: 30/416

(under subclass 400) Device particularly adapted to pierce a container composed of a generally planar wall and a generally cylindrical intersecting wall and including a chime (i.e., a bead formed at the joint or seam extending about the periphery of the planar wall), the device including an annular, driven, wheel-like member adapted to continuously engage the chime and thereby cause transversal of the cutting element relative to the container, during the opening operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

431, for a can opener in which a lever is employed to drive a roller that intermittently engages the bead.