Patent ID: 8091814

Claim:
A single-motor shredder comprising a housing; multiple cutting rollers parallelly mounted rotatably in the housing, and each cutting roller having an input end and an output end; a paper feeding mechanism mounted in the housing and having a mounting bracket securely mounted in the housing and having a supporting panel; and a rear panel attached to a rear edge of the supporting panel; a pushing panel obliquely disposed between the supporting panel and the rear panel of the mounting bracket and having an upper edge rotatably connected to an upper edge of the rear panel; and a lower edge corresponding to the supporting panel; a first resilient element disposed on a rear surface of the rear panel and having two ends respectively connected to the rear panel and the upper edge of the pushing panel; a split rod rotatably mounted on the supporting panel adjacent to the lower edge of the pushing panel and the distal edge of the arranging panel and having two feeding wheels respectively formed on two opposite ends of the split rod and abutting the pushing panel, and each feeding wheel having a notch formed in a peripheral edge of the feeding wheel; and a transmission rod rotatably mounted through the supporting panel and securely attached to the split rod; a motor mounted in the housing and having a driving shaft protruding rotatably from the motor; a first gear set mounted in the housing and between the driving shaft of the motor and the input ends of the cutting rollers and connecting the driving shaft of motor with the cutting rollers; and a second gear set mounted in the housing and between the transmission rod and the output ends of the cutting rollers and connecting the transmission rod with the cutting rollers.