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.
Patent No.:
Date of Patent:
Dec. 01, 2015
Filed:
Apr. 11, 2012
James O. Myrhum, Jr., West Bend, WI (US);
Troy C. Thorson, Waukesha, WI (US);
Jeremy R. Ebner, Pewaukee, WI (US);
Sean T. Kehoe, Waukesha, WI (US);
Joseph H. Ellice, Greenfield, WI (US);
Jeffrey S. Holly, West Bend, WI (US);
James O. Myrhum, Jr., West Bend, WI (US);
Troy C. Thorson, Waukesha, WI (US);
Jeremy R. Ebner, Pewaukee, WI (US);
Sean T. Kehoe, Waukesha, WI (US);
Joseph H. Ellice, Greenfield, WI (US);
Jeffrey S. Holly, West Bend, WI (US);
Milwaukee Electric Tool Corporation, Brookfield, WI (US);
Abstract
A hand-held knockout driver for use with a punch and die. The hand-held knockout driver including a housing having a handle portion, a motor positioned within the housing, the motor having a drive shaft defining a first axis, a pump assembly positioned within the housing, the pump assembly having a piston moving along a second axis, a dump valve positioned within the housing, the dump valve defining a third axis, and a working piston moveable with respect to the housing along a fourth axis. Where the second axis, the third axis, and the fourth axis are all not parallel to the first axis.