IP Library › Granted Patent US 11,413,731
Granted Patent B2
US 11,413,731 · App. 16/897,364 · Granted Aug 16, 2022

Powered ratchet wrench

Inventor: Hans T. Banholzer (Milwaukee, WI)
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
B25B21/004B25B13/465B25B13/467
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Quick Facts
Patent No.
US 11,413,731
App. No.
16/897,364
Granted
Aug 16, 2022
Kind
B2
Abstract

A power tool includes a motor and an output assembly configured to receive torque from the motor. The output assembly includes an anvil having a cylindrical body portion, an output member configured to engage a socket, and a curvilinear transition portion that tapers between the body portion and the output member. The transition portion defines a radius in a plane containing a rotational axis of the anvil that is greater than 1.5 mm. The output assembly also includes a pawl that is moveable between a first position in which the pawl is operatively coupled to drive the anvil in a first direction and a second position in which the pawl is operatively coupled to drive the anvil in a second direction opposite the first direction.

Claims (11)

1. A power tool comprising:

a motor;

an output assembly configured to receive torque from the motor, the output assembly including

an anvil having

a cylindrical body portion,

an output member configured to engage a socket, and

a curvilinear transition portion that tapers between the body portion and the output member, the transition portion defining a radius in a plane containing a rotational axis of the anvil that is greater than 1.5 mm, and

a pawl that is moveable between a first position in which the pawl is operatively coupled to drive the anvil in a first direction and a second position in which the pawl is operatively coupled to drive the anvil in a second direction opposite the first direction.

2. The power tool of claim 1 , wherein the radius of the transition portion is greater than 1.8 mm.

3. The power tool of claim 2 , wherein the radius of the transition portion is greater than or equal to 1.9 mm.

4. The power tool of claim 3 , wherein the radius of the transition portion is equal to 1.9 mm.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 17, 2021
From: BANHOLZER, HANS T.
To: MILWAUKEE ELECTRIC TOOL CORPORATION
Reel/Frame 055293/0743 →
Continuity (2)
Provisional Application 62860348 · Jun 12, 2019
Related Publication 20200391358A1 · Dec 17, 2020