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. 26, 2024

Filed:

Jun. 02, 2020
Applicants:

OK Tae Kim, Yongin-si, KR;

Ki Tae Kim, Hwaseong-si, KR;

Sung Keun Noh, Suwon-si, KR;

Inventors:

Ok Tae Kim, Yongin-si, KR;

Ki Tae Kim, Hwaseong-si, KR;

Sung Keun Noh, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21C 37/12 (2006.01); B23D 21/14 (2006.01); B26D 3/16 (2006.01);
U.S. Cl.
CPC ...
B21C 37/125 (2013.01); B23D 21/14 (2013.01); B26D 3/16 (2013.01); B26D 3/162 (2013.01);
Abstract

The present disclosure relates to a duct cutting and forming apparatus for elbow duct manufacturing machine, the apparatus including a rotation housing that is provided with a seating groove in a first direction; an eccentric housing that is provided with a cutting roller and a forming roller at both ends, and that is slidably seated inside the seating groove; a rotation drive for applying rotation driving force to the rotation housing; and an eccentric drive for applying driving force for reciprocating the eccentric housing, wherein the eccentric drive reciprocates the eccentric housing as it rotates in both directions within a range not exceeding 180 degrees.


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