Quick-change holder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 26, 1983
Grant Date -
N/A
app pub date -
Feb 6, 1981
filing date -
Feb 20, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A quick-change holder for a machine tool wherein a nut holding a tool can be attached and detached by a single action. In the quick-change holder of the type, in which the nut charged with the tool can be attached to and detached from a holder body by the radial movements of a plurality of balls which are so loosely fitted in a plurality of radial through-holes formed in the holder body as to be made movable in the radial direction, according to the present invention, the aforementioned holder body is formed with an outwardly diverging conical inner circumference in which a spring having free wire ends with a gap therebetween so as to be compressible radially inwardly is fitted under radially inward compression in an inscribed relationship therewith, and the aforementioned spring is brought into abutment engagement with the balls, when the nut is not inserted, thereby to push the balls outwardly in the radial direction.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully