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. 10, 2014
Filed:
Jun. 29, 2011
Minxuan Wang, Dongying, CN;
Jianli Xu, Dongying, CN;
Zhengquan Cheng, Dongying, CN;
Bin Wei, Dongying, CN;
Zhonghui Zhang, Dongying, CN;
Bingsheng Liu, Dongying, CN;
Guangqi Gao, Dongying, CN;
Yan Luo, Dongying, CN;
Zejun Zhu, Dongying, CN;
Minxuan Wang, Dongying, CN;
Jianli Xu, Dongying, CN;
Zhengquan Cheng, Dongying, CN;
Bin Wei, Dongying, CN;
Zhonghui Zhang, Dongying, CN;
Bingsheng Liu, Dongying, CN;
Guangqi Gao, Dongying, CN;
Yan Luo, Dongying, CN;
Zejun Zhu, Dongying, CN;
Abstract
A crank-type non-beam pumping unit, including a belt, a foundation, a crown sheave, a frame, a support rod, a belt pulley, a pin shaft, a crank, a transmission shaft, and a bracket. The bottom of the frame is disposed on the foundation, and the top of the frame is supported by the support rod. The top of the support rod is hinge connected to the frame, and the bottom of the support rod is hinge connected to the foundation. The bracket is disposed on the foundation, the transmission shaft is disposed on the bracket, and the crank is disposed on the transmission shaft. The crank rotates synchronously with the transmission shaft, and the belt pulley is disposed on one end of the crank via the pin shaft. One end of the belt bypasses the crown sheave, and is connected to a smooth sucker rod.