Patent · US Active

Pneumatic-type precision annular workpiece inner positioning surface clamping device

US9782833B2 · kind B2 · utility

2Cited by

10References

10Claims

0Family size

Assignee

HARBIN INSTITUTE OF TECHNOLOGY · CN

Inventors

Jiubin Tan · Jingwei, CN
Yuanyuan Yang · Baltimore, US
Lei Wang · Singapore, SG
Bo Zhao · Jingwei, CN

Key dates

Filing date	Dec 26, 2014
Grant date	Oct 10, 2017
Priority date	—
Expiry date	Dec 26, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T279/1258
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A pneumatic-type precision annular workpiece inner positioning surface clamping device, wherein a rod portion of a piston assembly (5) is inserted into a central hole of the wedge-shaped block (12), and the piston portion of the piston assembly (5) is located in a closed chamber of a cylinder body (15); a disc spring (3) is sleeved on the piston assembly (5); an air intake hole (1-1) is provided in the lower plate (1), an air vent hole (15-1) is provided at the upper portion of the cylinder body (15); and an elastic hinge block (6) is sleeved outside the wedge-shaped block (12). The pneumatic-type precision annular workpiece inner positioning surface clamping device has a simple structure, high reliability and strong adaptability.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.