Tool driving or impacting – Impacting devices – Hammer head moves in arcuate path or rotates
Patent
1996-07-22
1998-06-23
Smith, Scott A.
Tool driving or impacting
Impacting devices
Hammer head moves in arcuate path or rotates
173111, B25D 1600
Patent
active
057691720
ABSTRACT:
A bi-directional power tool for driving fasteners and for drilling purposes. The power tool comprises a rotary piston driving mechanism and a linear sliding member that transform a longitudinal motion of a piston in a cylinder to a rotation movement of a working head. The power tool includes a driving unit that comprises a pressure generator and a controller that controls the operation of the tool. Alternatively the power tool can be operated manually.
REFERENCES:
patent: 2558165 (1951-06-01), Anderson
patent: 3171501 (1965-03-01), Lear
patent: 3323601 (1967-06-01), Uebel
patent: 3404739 (1968-10-01), Worman
patent: 4359109 (1982-11-01), Truong-Cao
patent: 4745980 (1988-05-01), Chung
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