DRIVE SYSTEM FOR ROTARY DRIVEN HAIR CLIPPERS
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United States of America Patent
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-
N/A
Issued Date -
Apr 12, 2012
app pub date -
Oct 8, 2010
filing date -
Oct 8, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A hair cutting device has a stationary blade, a reciprocating blade and a rotary motor. The reciprocating blade has a cam follower in contact with the top surface of the reciprocating blade, and a slot for receiving a cam. The cam is secured to the motor shaft on one end, and has an offset pin on the other end. The offset pin fits in the cam follower slot so that when the motor rotates the cam through rotational cycles, the offset pin oscillates the reciprocating blade back and forth. The offset pin extends at least to or through the plane of the reciprocating blade for the entire rotational cycle of the offset pin, which reduces torque and twisting of the reciprocating blade.
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