Body construction for a drilling machine

Details Body construction for a drilling machine Body construction for a drilling machine

1987-04-20

1989-06-27

Bell, Paul A.

Tool driving or impacting

Impacting devices

With means for rotating tool

B23B 4516

Patent

active

048420794

ABSTRACT:
A body construction for a drilling machine comprising a body provided with end covers, a percussion means mounted in the body, and a rotation means positioned on an axial extension of the percussion means for rotating a shank. In order to avoid the use of conventional tie rods, the body is formed by an integral body part, and housings for the percussion and the rotation means are formed in the body part in such a way that the percussion and the rotation means can be replaced through the corresponding end covers without having to detach from the body anything else but the end covers of the body part.

REFERENCES:
patent: 3844359 (1974-10-01), Zettergren et al.
patent: 4161990 (1979-07-01), Forsberg et al.
patent: 4576240 (1986-03-01), Matsumoto

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