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:
Feb. 08, 2022

Filed:

Jul. 12, 2019
Applicant:

Daedong Mobility Corp., Anseong-si, KR;

Inventor:

Jin Mok Park, Gyeongsangnam-do, KR;

Assignee:

DAEDONG MOBILITY CORP., Anseong-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/36 (2006.01); A01B 59/06 (2006.01); E02F 3/34 (2006.01);
U.S. Cl.
CPC ...
E02F 3/3622 (2013.01); A01B 59/064 (2013.01); E02F 3/3408 (2013.01);
Abstract

A quick joint of a front loader, the quick joint includes: a coupling member () having a hook shape and pivotally connected to a first pivot point (P) of a boom post () through a first pivot shaft (); a spring member () for applying an elastic force in a direction of releasing the coupling member () from a coupling target shaft () disposed on a boom post support () which is attached to a tractor (); a lock unit () having a part making contact with the coupling member (), and provided with a lock pin () for restraining behavior of the coupling member () at a coupling position (A); and a guide slot () having an arc shape and formed in the boom post () to define a moving path of the lock pin () when the lock unit () rotates.


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