Patent · US Active

Hand-held knockout punch driver

US10252438B2 · kind B2 · utility

0Cited by

100References

18Claims

0Family size

Assignee

Milwaukee Electric Tool Corporation · US

Inventors

James O. Myrhum, Jr. · West Bend, US
Troy C. Thorson · Cedarburg, US
Koon For Chung · Sai Kung, CN

Key dates

Filing date	Jun 21, 2016
Grant date	Apr 9, 2019
Priority date	—
Expiry date	Jun 21, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB26F1/38
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A hand-held knockout punch driver includes a housing, a motor positioned within the housing, and a head unit removably coupled to the housing. The head unit includes a draw rod to which at least one of a punch or a die is attachable.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.