Patent ID: 6966513

Claim:
A shredder, comprising: two opposite strip cutter wheel groups for longitudinal cutting disposed between a front paper-guide plate and a rear paper-guide plate, an axle having a first end, and an intermittent cluster gear, wherein the end of said axle is fixed to a driven gear wheel of said intermittent cluster gear; a latitudinal paper cutter disposed on a first side of said rear paper-guide plate having set cutter on top and bottom of quadrate cutter setting and a cutter rest fixed respectively to two ends of said cutter setting; a drive shaft disposed on a first side of said paper cutter and rotatably operable by a motor; a generally inverted U-shaped paper-expeller disposed on a second side of said rear paper-guide plate having paper-expel plate and two side support arms having a long-holed groove at an end thereof; a drive shaft and a crank coupler link group having a first end secured to a said drive shaft and a second opposing end secured to fixed end of said crank coupler link and is set in the long-hole groove of two supporting arms of said paper-expeller after engaging with cutter rest of said latitudinal paper-cutter; said intermittent cluster gear comprising a normal gear wheel intermeshed with motor drive gear wheel rotating the driven gear wheel intermeshed with said normal gear wheel and strip cutter wheel group and abnormal gear wheel.