Patent ID: 6671960
Filing Date: 2004-01-06
Classification: B26B

Abstract:
An electric rotary shaver comprising a cutter retaining plate that is equipped with cutter units each including an inner cutter and an outer cutter and detachably attached to an outer cutter frame, said shaver further comprising an attachment-detachment mechanism for attaching and detaching said cutter retaining plate to and from said outer cutter frame, wherein said attachment-detachment mechanism is comprised of:a boss in a shape of a triangular tube having engagement openings formed in side surfaces thereof, and an engagement projection to be inserted in said boss so that when said engagement projection is in said boss and rotated relative to said boss, corner portions of said engagement projection are brought into an engagement with said engagement openings and held in said boss; and wherein said boss is formed on one of said outer cutter frame and a mounting knob that is rotatably provided in said cutter retaining plate, and said engagement projection is formed on the other of said outer cutter frame and said mounting knob.