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. 13, 2012
Filed:
Oct. 02, 2009
George Burger, Rocklin, CA (US);
George Burger, Rocklin, CA (US);
Other;
Abstract
A self-closing hinge comprises a stationary assembly comprising a hollow cylindrical tube having a first end and a second end having a clutch stationary assembly secured thereto. The hinge further includes a first torsional spring positioned within said tube and secured at the first end thereof, and has a pin secured at a second end of said first torsional spring whereby said spring biases said pin in a first direction and whereby said pin rotates to engage said clutch assembly at a at least one point. A rotating intermediate tube assembly comprises a generally hollow cylinder having a first end positioned over said stationary assembly, and a second end having a clutch rotating assembly, whereby said pin of said torsional spring engages said clutch rotating assembly at a point. The invention further comprise an exterior tube assembly comprising a generally hollow cylinder having a first open end positioned over said intermediate tube assembly and a second closed end, and a second torsional spring positioned between and secured to said intermediate tube assembly and said exterior tube assembly.