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:
May. 16, 2017

Filed:

Oct. 07, 2011
Applicants:

Hea-gyoon Joung, Busan, KR;

Young-bog Song, Changwon-si, KR;

Inventors:

Hea-Gyoon Joung, Busan, KR;

Young-Bog Song, Changwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B 11/00 (2006.01); F15B 13/02 (2006.01); F02D 29/04 (2006.01); E02F 9/22 (2006.01); F15B 11/16 (2006.01); E02F 9/20 (2006.01);
U.S. Cl.
CPC ...
F15B 13/021 (2013.01); E02F 9/2037 (2013.01); E02F 9/2225 (2013.01); E02F 9/2228 (2013.01); E02F 9/2282 (2013.01); E02F 9/2285 (2013.01); E02F 9/2292 (2013.01); E02F 9/2296 (2013.01); F02D 29/04 (2013.01); F15B 11/16 (2013.01); F15B 2211/20546 (2013.01); F15B 2211/3116 (2013.01);
Abstract

Disclosed is a lower track for mounting rubber pads on a track shoe to be attachable and detachable after assembling a steel plate which is adhered with divisionally formed rubber pads as a single unit without additionally perforating coupling through-holes in the track shoe when the rubber pad which forms the lower track and the track shoe which is formed of a metal material are coupled. The lower track of a crawler excavator according to the present invention comprises: first and second rubber pads which are divisionally formed; a first steel plate which supports the bottom surface of the first rubber pad by surrounding the same, and has first hooks formed on the bottom surface thereof and coupling holes formed in a connection stepped-portion.


Find Patent Forward Citations

Joung, Hea-Gyoon. (2017). Priority control system for construction machine (U.S. Patent No. 9651063). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9651063

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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