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:
Feb. 21, 2012
Filed:
Jul. 06, 2007
Han Sang Lee, Seoul, KR;
Han Sang Lee, Seoul, KR;
P & Tel Inc., Seoul, KR;
Other;
Abstract
Disclosed is an elastic device which is suitable for a sliding opening/closing apparatus of a portable appliance. The elastic device includes a first torsion spring including a first spiral part which is wound as a spiral shape without a vertical overlapping portion and a first extension arm extending from an outer portion of the first spiral part; a second torsion spring including a second spiral part which is wound as a spiral shape without a vertical overlapping portion thereof and a second extension arm extending from an outer portion of the second spiral part. The elastic device also includes a connection member connecting one of both ends of the first torsion spring and one of both ends of the second torsion spring with each other. The elastic device may have a smaller thickness in comparison with that of a conventional torsion spring having a vertical overlapping portion thereof.