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US Patent 8393082 Rotary electric shaver

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
83930821
Patent Inventor Names
Tetsuhiko Shimizu1
Date of Patent
March 12, 2013
1
Patent Application Number
128061001
Date Filed
August 5, 2010
1
Patent Citations Received
‌
US Patent 12122056 Electric beard trimmer
2
‌
US Patent 12011841 Electric beard trimmer
3
Patent Primary Examiner
‌
Hwei C Payer
1
Patent abstract

A rotary electric shaver including cutter units, each having an outer cutter and an inner cutter rotating in resilient contact with the inner surface of the outer cutter, further including a shaver head which is pivotably provided on the shaver main body; an outer cutter frame attached to the shaver head to support the outer cutters in a depressible fashion; a main drive shaft for transmitting, via a first universal joint, the rotation of a motor housed in the shaver main body to a driving mechanism provided inside the shaver head; inner cutter drive shafts provided in the shaver head and rotationally driven by the driving mechanism; and second universal joints for transmitting the rotation of the inner cutter drive shafts to the inner cutters; and in this shaver the first universal joint being disposed near the pivotal center of the shaver head.

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