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:
Aug. 24, 2010
Filed:
Dec. 27, 2007
Applicant:
Cheng-hung Chou, Taipei Hsien, TW;
Inventor:
Cheng-Hung Chou, Taipei Hsien, TW;
Assignee:
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16M 11/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A height adjusting apparatus, for adjusting the height of a projector, includes a support leg, an air-pressure cylinder connected to the projector, and a switch. The air-pressure cylinder and the support leg together form a sealed chamber. When the pressure of the air inside the chamber is regulated, the height of the air-pressure cylinder and the height of the projector change. The switch is mounted on the air-pressure cylinder to create a gap to allow air to exit or enter the chamber when the switch is open.