Device for deposition of the movements of two driven bodies in t

Details Device for deposition of the movements of two driven bodies in t Device for deposition of the movements of two driven bodies in t

1984-08-22

1986-06-03

Meister, James M.

Tool driving or impacting

Impacting devices

Plural relatively moved hammer heads

173162R, B25D 1724

Patent

active

045924317

ABSTRACT:
A device to transfer the alternately performed reciprocating movements of two pistons in a forward direction of a tool, the pistons being arranged coaxially about a center axis in a casing with the first piston running at least partly in a bore of the second piston and in sealing relation with the second piston bore. Another part of the first piston extends out of the path of movement of the second piston and is in sealing relation against the interior wall of the casing. The pistons are driven alternately to strike against an impact member common to both pistons which impact member is coaxial with the center axis and mechanically coupled to the tool.

REFERENCES:
patent: 1798642 (1931-03-01), Wadsworth
patent: 1802987 (1931-04-01), Shook
patent: 4184357 (1980-01-01), Stubbings

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