| 摘要 |
FIELD: miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam, namely mining picks and holders therefore. ^ SUBSTANCE: cutting tool comprises basic section and tool holder provided with stem installed in receiving socket of basic section. Basic section has thrust supporting tool holder. Sealing member is arranged between tool holder and basic section so that the sealing member is supported by separate sections around the receiving socket. ^ EFFECT: prevention of water and dust generated during rock cutting ingress in tool and increased simplicity of tool holder separation from basic section. ^ 10 cl, 4 dwg |
