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:
Oct. 08, 2019

Filed:

Jan. 20, 2017
Applicant:

Jrf Photonics Tech. Co., Ltd., Tianjin, CN;

Inventors:

Xuan-Hao Lee, Taoyuan, TW;

Yeh-Wei Yu, Taoyuan, TW;

Chiu-Fen Wang, Taoyuan, TW;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 14/06 (2006.01); F21V 7/04 (2006.01); F21V 5/04 (2006.01); F21V 17/02 (2006.01); F21V 13/04 (2006.01); F21Y 115/00 (2016.01);
U.S. Cl.
CPC ...
F21V 14/06 (2013.01); F21V 5/04 (2013.01); F21V 7/04 (2013.01); F21V 13/04 (2013.01); F21V 17/02 (2013.01); F21Y 2115/00 (2016.08);
Abstract

The present invention discloses variable focus spotlight with spin type focusing structure, the variable focus spotlight includes a shell, a driving ring and a focusing module. With the implementation of the present invention, the focusing module slides toward or away from the light source in the shell by rotating a driving ring which pulls the connecting rods penetrating position spiral slits on the shell, so that the variable focus spotlight with spin type focusing structure can easily output a broad beam, a collimated beam, or a beam ranging between the broad beam and the collimated beam according to user's needs to widely promote applications of the variable focus spotlight.


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