Pressure fluid powered machine tool

Details Pressure fluid powered machine tool Pressure fluid powered machine tool

1978-12-07

1981-03-24

Feldbaum, Ronald

Tool driving or impacting

Advance causing or controlling means

Motor causes or controls advance

173 19, B23Q 500, E21C

Patent

active

042574897

ABSTRACT:
A pressure fluid powered machine tool comprising a rotary motor unit displaceably guided in a cylinder bore of a housing to accomplish a combined rotary and linear movement of a working tool such as a drilling or tapping tool. The motor unit is provided with an external pressure fluid supply tube which is rigidly connected to the motor unit in a parallel offset position and which cooperates with a pressure chamber in the housing to establish a controlled fluid communication between the housing and the motor unit. The feed tube also serves as a torque reaction support bar by means of which the torque reaction arising in the motor unit is transferred to the housing.

REFERENCES:
patent: 2605751 (1952-08-01), Perry et al.
patent: 2607197 (1952-08-01), Johnson
patent: 2854870 (1958-10-01), Chaffee et al.
patent: 3141509 (1964-07-01), Bent
patent: 3195658 (1965-07-01), Reed et al.
patent: 3266580 (1966-08-01), Clapp et al.
patent: 4111590 (1978-09-01), Burkart et al.

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