Patent · US Active

Hydro-expansion chuck

US9566650B2 · kind B2 · utility

3Cited by

6References

14Claims

0Family size

Assignee

Guehring OHG · DE

Inventors

Bruno Teusch · Eßlingen, DE
Hakki Aygün · Krauchenwies, DE

Key dates

Filing date	Apr 9, 2013
Grant date	Feb 14, 2017
Priority date	—
Expiry date	Aug 15, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T279/1249
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The invention relates to a hydraulic expansion chuck (1) with a hydraulic expansion mechanism (23) that is integrated into a chuck body (10, 20) and exhibits an expansion bushing (23a) with a continuous cylindrical interior wall, and to a reducing bushing (24) arranged in the expansion bushing (23a) for accommodating a shank tool (W), in particular a tap drill. According to the invention, the outer circumference of the reducing bushing (24) is positively connected with the chuck body (10, 20) in a torque-proof manner, and its inner circumference is designed to be positively connected with the shank tool (W) in a torque-proof manner.

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