LATHE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 3, 2008
app pub date -
Dec 28, 2007
filing date -
Dec 28, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The lathe comprises: a spindle for holding one end side of an annular workpiece W; a rotation drive mechanism for rotating the spindle; and a holding mechanism 20 for holding the other end side of the workpiece W. The holding mechanism 20 comprises: an inserting member 21 which is arranged to rotate freely and of which distal end is inserted into an interior of the other end side of the workpiece W; a support member 28 which supports the inserting member 21 to rotate freely; a plurality of contact members 23 which are arranged on an outer circumferential surface of the distal end of the inserting member 21 and which outwardly protrude to be in contact with an inner circumferential surface of the workpiece W; and a drive mechanism 30 for driving each of the contact members 23 so as to be brought into contact to each other.
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