Patent ID: 7784190

Claim:
A can opener comprising: a body; a rotatable traction wheel and a cutting assembly mounted on the body, wherein the traction wheel and cutter assembly are moveable between an inoperative position, in which the traction wheel and cutter assembly are spaced from one another so that a rim of a can to be opened is locatable between the traction wheel and the cutter assembly, and an operative position, in which the traction wheel and the cutter assembly are in close proximity and engagable with the rim of the can to effect opening of the can, and the cutter assembly comprises an axle having first and second ends, engaged with the body at the first end, and having a thread at the second end, a rotatable circular cutting blade located on the axle between the first and second ends, a nut that is engaged with the thread and that holds the circular cutting blade in place, a friction wheel on which the cutter blade is mounted, the friction wheel being freely rotatable relative to the axle, and a cover that engages and rotates with the friction wheel and that covers and is spaced from the nut that is engaged with the thread.