Patent ID: 9623577
Date: 2017-04-18
CPC Classifications: A22B,A22C,B26B

Claim:
1. An annular blade housing for a power operated rotary knife, the blade housing including a circumferentially extending blade support section, the blade support section comprising an inner wall and an outer wall, the outer wall spaced radially outwardly with respect to the inner wall, and a first upper end and a second lower end, spaced axially apart, the inner wall of the blade support section including a first portion of the inner wall, the first portion of the inner wall having a first upper end and a second lower end and a blade housing bearing surface that extends radially into the first portion of the inner wall of the blade support section in a direction toward the outer wall, the blade housing bearing surface having an upper end and a lower end, the upper end of the blade housing bearing surface being spaced axially from and below the first upper end of the first portion of the inner wall of the blade support section and the lower end of the blade housing bearing surface being spaced axially from and above the second lower end of the first portion of the inner wall of the blade support section, the blade housing bearing surface being axially spaced from the first upper end and the second lower end of the blade support section, the blade support section further including a projection at one of the first upper end and the second lower end of the blade support section, the projection extending radially in a direction away from the outer wall beyond the first portion of the inner wall of the blade support section, the projection being axially spaced from the upper and lower ends of the blade housing bearing surface, the blade housing further including a mounting section, the blade support section extending about a circumference of the blade housing and the mounting section extending about less than the circumference of the blade housing, the mounting section and the blade support section overlapping in a region of the mounting section, the mounting section including an inner wall and a radially spaced apart circumferentially extending outer wall and a first upper end and a second lower end spaced axially apart, tapered regions extending between the outer wall of the blade support section and the outer wall of the mounting section, the blade support section inner wall forming a portion of the mounting section inner wall in the region of the mounting section and the mounting section outer wall being spaced radially outwardly from a circumference defined by the blade support section outer wall, the second lower end of the mounting section spaced below the second lower end of the blade support section.