Impact hammer power tool

Details Impact hammer power tool Impact hammer power tool

1988-09-30

1990-02-27

Watts, Douglas D.

Tool driving or impacting

Impacting devices

With means to cause or control advance of hammer head

173121, 173139, B25D 914

Patent

active

049037846

ABSTRACT:
An impact power tool for use in delicate hand-working operations includes a body presenting a bore and a piston received within the bore and shiftable relative thereto. An impact transmitting member is also received in the bore and is shiftable relative to the body. This impact transmitting member is positioned axially in the bore by a mounting element interposed between the impact transmitting member and the body, the mounting element being resilient relative to the body. The piston is driven along a stroke length between an impact position engaging the impact transmitting member and an extended position out of contact with the member.

REFERENCES:
patent: 3393755 (1968-07-01), Glaser, et al.
patent: 4694912 (1987-09-01), Glaser

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