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:
Jan. 31, 2017
Filed:
May. 03, 2012
Rui LI, Hangzhou, CN;
Liang Wang, Hangzhou, CN;
Minbo Yu, Hangzhou, CN;
Zhihua Zhu, Hangzhou, CN;
Zhouxuan LI, Hangzhou, CN;
Hongyun Yu, Hangzhou, CN;
Qun Yuan, Hangzhou, CN;
Rui Li, Hangzhou, CN;
Liang Wang, Hangzhou, CN;
Minbo Yu, Hangzhou, CN;
Zhihua Zhu, Hangzhou, CN;
Zhouxuan Li, Hangzhou, CN;
Hongyun Yu, Hangzhou, CN;
Qun Yuan, Hangzhou, CN;
ZHEJIANG HUADIAN EQUIPMENT TESTING INSTITUTE, Hangzhou, Zhejiang, CN;
Abstract
A labor-saving device for detection of no-load hand hoist motion, including a base, a stand pole, and a controller, a first cantilever beam, a second cantilever beam, a third cantilever beam, and a fourth cantilever beam being sequentially disposed in single vertical plane from top to bottom of the stand pole. Specifically, the electric hoist being disposed below the first cantilever beam; a pair of first guide unit being respectively disposed at two opposite laterals of the second cantilever beam; a driving unit including a motor, a stand plate, and an actuator being coaxially disposed in series from internal to external, being disposed above the third cantilever beam; and a pair of second guide unit are respectively disposed at two opposite laterals of the fourth cantilever beam.