Mechanism for tensioning fluid hoses on a rock drill feed

Details Mechanism for tensioning fluid hoses on a rock drill feed Mechanism for tensioning fluid hoses on a rock drill feed

1976-11-09

1978-01-24

Hafer, Robert A.

Tool driving or impacting

Advance causing or controlling means

Motor causes or controls advance

173160, B23Q 5027

Patent

active

040698777

ABSTRACT:
A tensioning mechanism for the fluid conductor hoses of a feed mounted rock drill comprises a plurality of fluid cylinders mounted stationary on a bracket supported midway along the length of the drill feed channel. Elongated tubular pistons are slidably supported in the cylinders and are connected to the respective hoses. The cylinders may be charged with pressure fluid such as grease or the like to bias the pistons to tension the hoses and prevent damage to the hoses or interference with movement of the drill.

REFERENCES:
patent: 3500941 (1970-03-01), Rudman
patent: 3508619 (1970-04-01), Huffman
patent: 3721293 (1973-03-01), Ahlstone et al.
patent: 3807510 (1974-04-01), Boom et al.

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