Patent ID: 6615494
Filing Date: 2003-09-09
Classification: A22B,A22C,B26B

Abstract:
An improved boning and defatting knife comprising;a blade support unit including a handle, a blade support ring connected to and extending from said handle and a drive means mounted on at least one of said handle and said blade support ring; and a blade unit including; a generally toroidal blade engaging and locking device having a drive means engaging section and a releasable fastening and locking section; a generally toroidal blade having an outer locking edge and an inner cutting edge; said releasable fastening and locking section of said blade engaging and locking device operative to releasably receive and lock said outer locking edge of said blade thereon, whereby said blade is removable and replaceable; and said blade unit being adapted to be removably and rotatably seated on said blade support ring with said drive means engaging said drive means engaging section of said blade unit such that said blade unit is rotated within and on said blade support ring by said drive means.