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.

Date of Patent:
Sep. 17, 2019

Filed:

Aug. 29, 2017
Applicant:

Citic Dicastal Co.,ltd., Qinhuangdao, Hebei, CN;

Inventors:

Jinling Yang, Qinhuangdao, CN;

Li Yang, Qinhuangdao, CN;

Weidong Liu, Qinhuangdao, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 3/50 (2006.01); G01B 3/12 (2006.01); G01B 5/12 (2006.01);
U.S. Cl.
CPC ...
G01B 3/50 (2013.01); G01B 3/12 (2013.01); G01B 5/12 (2013.01);
Abstract

Disclosed is a wheel center hole size qualification detection device. The upper ends of large guide posts are connected with an upper cross beam, the lower ends of the large guide posts are connected with a lower cross beam, a frame is fixed on a foundation via bases, the large guide posts are arranged in large guide sleeves on the frame, a large cylinder is fixed on the foundation and connected with the lower cross beam, the large cylinder drives an overall framework formed by the upper cross beam, the lower cross beam and the large guide posts to move up and down, small guide posts are respectively fixed on two sides of the center of the upper cross beam and inside the large guide posts, small cylinders are fixed below the frame, and clamping jaws are connected with the small cylinders.


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