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. 30, 2005
Filed:
Jul. 11, 2003
Applicant:
Boon Hwa Lau, Hsin Chuang, TW;
Inventor:
Boon Hwa Lau, Hsin Chuang, TW;
Assignee:
Chaw Khong Technology Co., Ltd., Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05B007/00 ;
U.S. Cl.
CPC ...
Abstract
A retractable handle assembly for luggage in a pulling operation, press a push button to cause a spring in a plunger of buffer device to gradually and damply extending upward immediately. As a result, both a piston rod and thus the buffer device move upward gradually and damply. Also, a sliding tube coupled to the locking mechanism moves upward gradually and damply. As an end, the handle assembly is capable of gradually and damply extending from a top of the luggage a predetermined distance. At this position, a user can easily pull the handle assembly up to its maximum.