Arrangement for supporting of an axial bearing of a drilling mac

Details Arrangement for supporting of an axial bearing of a drilling mac Arrangement for supporting of an axial bearing of a drilling mac

1987-04-21

1989-07-11

Yost, Frank T.

Tool driving or impacting

Including means to vibrationally isolate a drive means from...

173105, E21B 600

Patent

active

048462896

ABSTRACT:
An arrangement for supporting of an axial bearing of a drilling machine which comprises a body (1) supported by a carriage (15) and a rotation bushing (5) mounting rotatably in the body for rotation of a shank (10). An axial bearing (8) is arranged in the body for receiving axial forces (F) acting on the body through the shank. In order to release the body from strains caused by the axial forces of the shank, the axial bearing is supported on the carriage by a supporting device (16) for transmitting of the axial forces from the axial bearing directly to the carriage.

REFERENCES:
patent: 1918065 (1933-07-01), Terry
patent: 3858666 (1975-01-01), Bailey et al.

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