Class 30/217 - Crank or cam, pitman and lever

Subclass of Class 30 - Cutlery
Definition: Shears in which the movement is imparted to the blades by
No. of patents: 3
Last issue date: 03/11/2008

Number	Title	Issue Date
7340839	Hair clipper having moving lower blade Disclosed is a hair clipper having a moving lower blade, in which the lower blade moves so that upper and lower blades reciprocate in opposite directions and cross each other. In the hair clipper, an eccentric cam is connected to a rotary shaft of a motor installed ...	03/11/2008
5617759	Mechanism for machining and grinding tool for converting rotational movement into reciprocating movement A mechanism for a cutting or grinding tool for converting rotational movement into reciprocating movement contains a casing, a reciprocating member mounted within the casing for receiving and securing a tool to be inserted into a tool receiving opening of...	04/08/1997
4383366	Blade driving assembly for hair clipper A cutting blade drive assembly for a hair clipper comprises a frame and a driven assembly rotatable on the frame about an axis fixed relative to the frame. The driven assembly includes a tension spring, and a cutting blade is engaged by the tension spring...	05/17/1983

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