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:
Sep. 17, 2013

Filed:

Aug. 17, 2011
Applicants:

Zhi-gang Yang, Shenzhen, CN;

Qi-chao Liu, Shenzhen, CN;

He-hui Yang, Shenzhen, CN;

Ping Yu, Shenzhen, CN;

Inventors:

Zhi-Gang Yang, Shenzhen, CN;

Qi-Chao Liu, Shenzhen, CN;

He-Hui Yang, Shenzhen, CN;

Ping Yu, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47G 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A support includes a base frame, a rotatable frame, an adjusting knob assembly and a spring element. Each leg of the base frame has a through hole formed with a protrusion and an L-shaped sliding groove. The rotatable frame pivotedly coupled to the base frame through a first shaft, which is rotatably inserted into the through hole and formed with a plurality of inner teeth. The adjusting knob has a guiding rib and a plurality of outer teeth respective to the inner teeth, and the guiding rib is slidable in and along the guiding groove portion and engagable in the engaging groove portion. The spring element surrounds the second shaft of the adjusting knob, as compressed between the protrusion and the insertion portion. Through operating the adjusting knob, the relative angle of the base frame and the rotatable frame switches between adjustable and fixed.


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