Patent · US Expired

Apparatus for driving spindles of machine tools

US5033922A · kind A · utility

8Cited by
4References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 1988
Grant dateJul 23, 1991
Priority date
Expiry dateNov 16, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T409/309464
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

In apparatus for driving a spindle of a machine tool, the spindle being rotatably supported in a spindle housing and received in a took mounting opening adapted to be inserted with a pull stud at a front end thereof, including a took clamping drawbar provided with a collet for clamping the pull stud at a front end of the drawbar, and a device for axially moving the drawbar, there is provided a device interposed between the inner surface of the spindle and the outer periphery of the drawbar for transmitting a torque from the drawbar to the spindle. The drawbar is connected to a source of drive of the spindle.

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