Drill bits and drilling apparatuses including the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 27, 2018
Issued Date -
N/A
app pub date -
Mar 24, 2015
filing date -
May 4, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A roof-bolt drill bit has a bit body rotatable about a central axis and at least one coupling pocket defined in the bit body. At least one coupling pocket is defined in the bit body, the at least one coupling pocket being defined by a pocket back surface, a first pocket side surface having a substantially planar surface extending from the pocket back surface, and a second pocket side surface having a substantially planar surface extending from the pocket back surface, the second pocket side surface being nonparallel to the first pocket side surface. The first pocket side surface extends at an angle of between approximately 45° and approximately 90° relative to the second pocket side surface and the first pocket side surface and the second pocket side surface are separated from one another.
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