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:
Nov. 09, 2021

Filed:

Dec. 27, 2019
Applicant:

Chung-yi Lee, New Taipei, TW;

Inventor:

Chung-Yi Lee, New Taipei, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B26F 1/36 (2006.01);
U.S. Cl.
CPC ...
B26F 1/36 (2013.01); B26F 2001/365 (2013.01);
Abstract

A handheld punching device includes an operating grip pivotably connected to a holding grip to have a loading end turned in an up-down direction, a transmitting lever pivotably connected to the loading end to transmit a torque to turn a driving end, a punching seat pivotably connected to the holding grip and defining a cutting space for receiving a workpiece to be punched, and a plurality of punch units disposed between the driving end and the punching seat and each having a punch head movably and fittingly disposed in the punching seat along a straight path in the up-down direction, and a press head in abutting engagement with the driving end to be moved by the torque and to drive movement of the punch head through the cutting space for creating a hole in the workpiece.


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