The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 07, 2024

Filed:

Jun. 07, 2021
Applicant:

Milwaukee Electric Tool Corporation, Brookfield, WI (US);

Inventors:

Peter Malak, Waukesha, WI (US);

Michael R. Sande, Waukesha, WI (US);

Ryan Allen Dedrickson, Sussex, WI (US);

Guang Hu, Dongguan, CN;

Fan Bin Zeng, Dongguan, CN;

Wei Chao Xu, Dongguan, CN;

Qiao Cai, Dongguan, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25D 17/26 (2006.01); B23P 15/00 (2006.01); F16C 17/04 (2006.01); F16C 33/10 (2006.01); B22D 19/00 (2006.01); B22F 3/12 (2006.01); B25D 16/00 (2006.01);
U.S. Cl.
CPC ...
B25D 17/26 (2013.01); B23P 15/00 (2013.01); F16C 17/04 (2013.01); F16C 33/1025 (2013.01); F16C 33/104 (2013.01); B22D 19/00 (2013.01); B22F 3/12 (2013.01); B25D 16/00 (2013.01); B25D 2217/0019 (2013.01); B25D 2217/0096 (2013.01); F16C 2220/60 (2013.01);
Abstract

A tool includes a housing, a drive assembly including an output shaft extending from the housing such that a tool element for performing work on a workpiece is attachable to the output shaft, and a bushing disposed within the housing. The bushing rotatably supports the output shaft. The bushing is impregnated with lubricant such that the bushing is self-lubricating, and the bushing has an impregnation ratio between about 5% and about 25%.


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