Wheel center hole size qualification detection device
US10415946B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2017 |
| Grant date | Sep 17, 2019 |
| Priority date | — |
| Expiry date | Mar 30, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B5/12
- WIPO fieldMeasurement
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.