Patent ID: 7331850
Filing Date: 2008-02-19
Classification: A22B,A22C

Abstract:
1. A loin puller for trimming off the backfat of a loin that has been scribed from a belly along a scribing line, the loin comprising backribs adjacent to the scribing line, said loin puller comprising: a frame; a conveying system mounted onto the frame for engaging the loin and moving it towards a cutting zone; and a cutting tool mounted onto the frame in the cutting zone for engaging the loin when said loin is moved by the conveying system and for cutting the backfat to be trimmed off from said loin with the so-cut backfat remaining attached to the belly, wherein said cutting tool comprises two blades, one of said blades being arcuate and positioned onto the frame so as to engage at least one part of the loin from a side of said loin opposite to the belly and to cut the backfat to be trimmed from said one part, the other one of said blades being L-shaped and positioned onto the frame so as to engage another part of the loin and cut the backfat to be trimmed thereof directly from the scribing line just below the back ribs of said loin, both of said blades being long enough so as to ensure that all the backfat of the loin be trimmed off; and wherein said arcuate blade has one end pivotably attached to the frame by a joint and another opposite end attached either to the frame or to the L-shaped blade.