Self-aligning linear bearing

Details Self-aligning linear bearing Self-aligning linear bearing

1995-06-13

1997-02-04

Hannon, Thomas R.

Bearings

Linear bearing

Roller bearing

384 31, F16C 2912

Patent

active

055991076

ABSTRACT:
A self-aligning linear bearing for use with the feed column of a drilling rig includes a bearing block having a pivot shaft extending therefrom. A pivot block connected to a mounting plate of a drill head rotatably connects with the pivot shaft, enabling the bearing to rotate such that the bearing surfaces of the bearing maintain substantially full contact with the feed column despite forces moving the drill head and mounting plate away from or toward the feed column.

REFERENCES:
patent: 1146356 (1915-07-01), Simon et al.
patent: 1773596 (1930-08-01), Michell
patent: 2062991 (1936-12-01), Gartin
patent: 2525712 (1950-10-01), Neighbour
patent: 4702621 (1987-10-01), Heinonen et al.
patent: 4925320 (1990-05-01), Foster et al.

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