Patent ID: 7222428

Claim:
An electric rotary shaver comprising: a shaver main body that contains therein a motor, a cutter frame attached to said shaver main body, a plurality of circular outer cutters provided in said cutter frame, and a plurality of inner cutters are provided inside of said outer cutters so as to be rotationally driven while being elastically pressed against the outer cutters by drive shafts that are rotationally driven by said motor; said electric shaver further comprising: a cutter retaining plate which is provided inside of said cutter frame and engages with outer circumferential edges of said outer cutters and rotatably holds said inner cutters, a locking member which has a plurality of arms that extend outwardly from a center thereof with equal intervals in between in a circumferential direction of the locking member, a plurality of guide pins which are provided at tip ends of each one of said arms of said locking member and slidably pass through said cutter retaining plate, permanent magnets which are provided on said cutter frame and attach said guide pins by magnetic attraction in a detachable manner, a plurality of compression coil springs which are mounted on said guide pins and compressedly provided between said arms and said cutter retaining plate, and an anchoring means which prevents said locking member from being separated from said cutter retaining plate by more than a predetermined gap; and wherein said locking member and said cutter retaining plate are coupled together into an integral unit by said anchoring means so as to be detachable from said cutter frame.