Gripper for a drill string component handling device, method for manoeuvring a gripper, drill string component device and rock drill rig
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United States of America Patent
Stats
-
Aug 15, 2017
Grant Date -
Nov 19, 2015
app pub date -
Dec 6, 2013
filing date -
Dec 21, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A gripping device for a drill string component handling device in a rock drill rig. Gripper element pairs are supported by a body and include at least one gripper element, being pivotally movable around a pivot joint, between a closed position, including a gripping position, and an open position. The pivotally movable gripper element is pivotal in a respective gripper plane forming a right angle to an axial direction. Each movable gripper element includes an actuation portion, which co-operates with a wedge device being movable in directions parallel to the axial direction for pivoting said movable gripper element. A method, a drill string component handling device for a rock drill rig and a rock drill rig including a drill string component handling device.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- B25B Class
- 23.50 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 15, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 15, 2029 |
