Cutting bit holding apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 21, 1992
Grant Date -
N/A
app pub date -
Sep 7, 1990
filing date -
Sep 7, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mining bit holding system is provided which includes a bit holder which attaches to the rotatable drum of a mining machine. The bit holder includes a base portion and a body portion. The body portion has an aperture therethrough to receive a coaxial sleeve. The sleeve has a bore therethrough for rotatably receiving a cutting bit. The sleeve and bit holder are constructed such that the angular position of the sleeve may be fixed relative to the common axis of the aperture in the sleeve in any one of a plurality of discrete positions. Additionally, the sleeve and bit holder are constructed such that the sleeve may be rotated with respect to the axis of the aperture the body portion to another position and then fixed in that position.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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