A cutter-bit assembly employs an arcuate wedge 16 to secure a cutter-bit 2 within a pocket 4 of a holder 1. An additional deformable insert or resilient backing piece 18 is also located in an arcuate gap between the cutter-bit shank and a curved surface of the holder. The insert or backing piece co-operates with teeth 19 to lock the wedge in position.
申请公布号
US4626034(A)
申请公布日期
1986.12.02
申请号
US19850698520
申请日期
1985.02.05
申请人
GEWERKSCHAFT EISENHUTTE WESTFALIA
发明人
BREUER, OSWALD;STEINKUHL, BERND;ROLING, FRANZ;HESSE, NORBERT;RASSMANN, CHRISTOPH;SCHOOP, GUNTHER-DIETMAR;HOELTKEN, WERNER