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:
Dec. 24, 2019
Filed:
Jul. 27, 2018
Dongguan Weihong Hardware and Plastic Products Co., Ltd., Dongguan, CN;
Zhu He, Dongguan, CN;
DONGGUAN WEIHONG HARDWARE AND PLASTIC PRODUCTS CO., LTD., Dongguan, CN;
Abstract
An electric support system for headrest includes a linear drive device and at least one connecting rod assembly. The connecting rod assembly includes a first fastener, a second fastener, a first connecting rod, a second connecting rod, a curved third connecting rod, and a curved fourth connecting rod between the two fasteners. The linear drive device is connected to the first fastener. An output end is connected to the third connecting rod and movable to drive the connecting rod assembly to expand to make the second fastener to a topmost position where an middle part of the third connecting rod coincides with the fourth connecting rod, or drive the connecting rod assembly to fold to make the second fastener to a bottommost position. Thus, the connecting rod assembly will be hidden between the sofa body and the headrest, which makes sofa more beautiful and in line with consumer aesthetic.