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.
Patent No.:
Date of Patent:
Nov. 15, 2011
Filed:
Oct. 14, 2008
Zhuo-guang Ruan, Guangdong, CN;
Zhuo-Guang Ruan, Guangdong, CN;
Premier Image Technology (China) Ltd., Foshan, Guangdong Province, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;
Abstract
A height adjustment apparatus for a projection device comprises a socket, an engaging member, and a lifting member. The projection device comprises a housing having a front and bottom plate perpendicular to each other, the bottom and front plate defining a first and second opening therein, respectively. The socket comprising a locating portion is located on an inner surface of the bottom plate, covers the first opening and defines a third opening therein. The engaging member comprises a main portion, an engaging portion and a deformable portion. The main portion is inserted through the second opening. The engaging portion connecting the main portion defines a fourth opening aligning with the third opening. The deformable portion has a movable portion located in the locating portion. The lifting member comprises an upright lifting portion passing through the third opening and having a toothed face engaged by the engaging portion.