Patent ID: 6098293
Filing Date: 2000-08-08
Classification: B67B

Abstract:
A can opener comprising, in combination:a housing including an inboard extent with a rectangular configuration defined by a rear face, a top face, a bottom face and a pair of side faces defining a front rectangular opening with a front peripheral edge, the housing further including an outboard extent with semicircular top and bottom faces integrally coupled to the top and bottom faces of the inboard extent in coplanar relationship therewith and a semi-cylindrical front wall mounted to a top portion of the front peripheral edge of the inboard extent and the periphery of the top face of the outboard extent and extending downwardly therefrom to define a hood;a circular rotator plate rotatably mounted on the bottom faces of the inboard extent and outboard extent of the housing with a plate motor situated therebeneath for rotating the rotator plate during the actuation thereof;a ball screw rotatably mounted within the housing between the top and bottom face of the inboard extent of the housing adjacent to the rear face thereof with a ball screw motor for rotating the same in a first direction during the actuation thereof in a first mode and rotating the same in a second direction during the actuation thereof in a second mode;a blade assembly including a post fixedly mounted within the housing between the top and bottom face of the inboard extent of the housing in front of the ball screw, a housing slidably mounted on the post with a plurality of threaded grooves formed in a rear face thereof which are in engagement with the ball screw for sliding downwardly and upwardly upon the rotation thereof in the first and second directions, respectively, a disk-shaped blade rotatably mounted to the casing of the blade assembly with a blade motor situated within the housing for rotating the blade during the actuation thereof;a magnet mounted on the casing of the blade assembly; andcontrol circuitry including a first sensor for automatically actuating the ball screw motor in the first mode upon the placement of a can on the rotator plate, a second sensor for automatically deactuating the ball screw motor and actuating the plate motor and the blade motor for a predetermined amount of time upon the blade assembly engaging a top of the can and the magnet being attached to a lid of the can, wherein the plate motor and the blade motor are deactuated after the predetermined amount of time and the ball screw motor is actuated in the second mode.