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:
Oct. 10, 2017
Filed:
Dec. 26, 2014
Harbin Institute of Technology, Harbin, Heilongjiang, CN;
Jiubin Tan, Heilongjiang, CN;
Yuanyuan Yang, Heilongjiang, CN;
Lei Wang, Heilongjiang, CN;
Bo Zhao, Heilongjiang, CN;
HARBIN INSTITUTE OF TECHNOLOGY, Harbin, Heilongjiang, CN;
Abstract
A pneumatic-type precision annular workpiece inner positioning surface clamping device, wherein a rod portion of a piston assembly () is inserted into a central hole of the wedge-shaped block (), and the piston portion of the piston assembly () is located in a closed chamber of a cylinder body (); a disc spring () is sleeved on the piston assembly (); an air intake hole (-) is provided in the lower plate (), an air vent hole (-) is provided at the upper portion of the cylinder body (); and an elastic hinge block () is sleeved outside the wedge-shaped block (). The pneumatic-type precision annular workpiece inner positioning surface clamping device has a simple structure, high reliability and strong adaptability.