Method of driving an element and an hydraulic impactor

Details Method of driving an element and an hydraulic impactor Method of driving an element and an hydraulic impactor

1985-08-21

1987-05-26

Kazenske, E. R.

Tool driving or impacting

Impacting devices

With means to cause or control advance of hammer head

173134, 92 87, B23B 4516, F01B 3100

Patent

active

046677488

ABSTRACT:
In an impactor, e.g. a jack hammer, a liquid column is accelerated through an empty barrel 26 and it impacts on a piston surface (34) of the tool (24), e.g. a chisel.

REFERENCES:
patent: 3728944 (1973-04-01), Marrara
patent: 3818805 (1974-06-01), Johansson

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