Patent ID: 11964368
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 14:
15. An impact tool comprising:
a housing including a motor housing portion, a front housing portion coupled to the motor housing portion, and a D-shaped handle portion extending from the motor housing portion in a direction opposite the front housing portion;
a brushless electric motor supported in the motor housing portion, the motor having a nominal diameter of at least 50 mm and operable at a peak power of at least 950 Watts;
a battery pack supported by the housing for providing power to the motor;
a second handle coupled to the front housing portion; and
a drive assembly for converting a continuous torque input from the motor to consecutive rotational impacts upon a workpiece, the drive assembly including
an anvil rotatable about an axis and including a head adjacent a distal end of the anvil,
a hammer that is both rotationally and axially movable relative to the anvil for imparting the consecutive rotational impacts upon the anvil, the hammer having a mass of at least 1 kg, and
a spring for biasing the hammer in an axial direction toward the anvil.