Bearing arrangement in rotary machines

Details Bearing arrangement in rotary machines Bearing arrangement in rotary machines

1989-04-27

1990-07-31

Bishop, Steven C.

Cutting by use of rotating axially moving tool

Miscellaneous

Drill guide

173104, 394 31, 394516, 394615, B23B 4516

Patent

active

049446428

ABSTRACT:
A rotary machine, such as a hammer drill, comprises a tool-carrying shaft (12), which is rotatably supported in the machine housing (11) by means of a ball bearing (24). The outer race ring (25) and the inner race ring (26) of the bearing are axially secured in the housing (11) and on the shaft (12) respectively. In order to make possible a limited axial movement of the shaft (12) relative to the housing (11) one of the race tracks (27) of the inner race ring (26) and the outer race ring (25) is formed cylindrical.

REFERENCES:
patent: 2316449 (1943-04-01), Parker
patent: 4073348 (1978-02-01), Schramm et al.

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