Patent ID: 7303158
Filing Date: 2007-12-04
Classification: B02C

Abstract:
1. A shredder head having shredder blades and an associated safety feature for protecting a portion of a person's body, comprising: a shredder head housing defining a slot adapted to receive material to be shredded, the shredder head housing including a portion that forms opposing walls to define sides of the slot; a plurality of shredder blades disposed within the shredder head housing and adapted to shred the material inserted into the slot; a first conductive layer disposed along at least a portion of the opposing walls; a second conductive layer disposed along at least a portion of the opposing walls and separated from the first conductive layer; a first controller in communication with the shredder and adapted to cause the plurality of shredder blades to deactivate; and a second controller in communication with at least one of the first and second conductive layers and with the first controller, wherein when the portion of the person's body touches both the first and second conductive layers the second controller is configured to send a signal to the first controller, when the first controller receives the signal the first controller deactivates the plurality of shredder blades.