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US 5,769,172 AGranted
Power tool
OwnerArieh Sherinventor
Life of this patent
Estimating the term…
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.
Claims14
A power tool for driving fasteners and for drilling purposes, said power tool comprising:
- (a) a housing;
- (b) a piston slidable within said housing;
- (c) a rotary piston driving mechanism for converting longitudinal motion of said piston in said housing to a combined longitudinal and rotary movement of said piston;
- (d) a linear sliding element for converting said combined longitudinal and rotary movement of said piston into a rotation movement;
- (e) a working head fixedly attached to said linear sliding element;
- and
- (f) a counter moment element attached to said housing.
4 more elements
Dependencies are inferred from the claim text.