Rock drilling apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 18, 1992
Grant Date -
N/A
app pub date -
Mar 26, 1990
filing date -
Apr 5, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a rock drilling apparatus comprising a carrier and at least one drill boom mounted in the carrier and provided with a drifter and a feeding beam. Valves for the control of the operations of the drifter and the feeding beam are arranged in the form of an integral control unit. The control unit is mounted in a cradle provided for the feeding beam and it communicates with the carrier by means of merely two pressure fluid hoses and a control cable.
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