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:
Jun. 09, 2015
Filed:
Apr. 23, 2013
Lerado (Zhong Shan) Industrial Co., Ltd, Zhong Shan, Guang Dong, CN;
Youn-Fu You, Chang Hua, TW;
Kuang-Neng Cheng, Chiayi County, TW;
Janwillem Bouwknegt, Ed Leiden, NL;
Martijn Hans Van Gelderen, Ed Leiden, NL;
Herman Van Der Vegt, Ed Leiden, NL;
Lerado (Zhong Shan) Industrial Co., Ltd., Zhong Shan, Guang Dong Province, CN;
Abstract
A space adjustment mechanism for a chair includes a seat base unit, a backrest sliding unit and an angular cross linking unit. The seat base unit has a body portion for accommodating an occupant sitting thereupon, and a shaft extending downward from the body portion. The backrest sliding unit has a backrest connected with a slidable rack which is slidably engaged with the body portion and formed with a pair of tubular sections. The angular cross linking unit has a first extending member for telescopically engaged with the shaft, and a pair of second extending members for telescopically engaged with the tubular sections. By this mechanism, when the first extending member is moving downward along the shaft, the backrest is driven to move backward for accommodating elder child, when the first extending member is moving upward, the backrest is driven to move forward for accommodating little child.