Tool driving or impacting – With vehicle support for drive – Drive structure moved to nonuse position for transport
Patent
1995-07-18
1997-07-15
Smith, Scott A.
Tool driving or impacting
With vehicle support for drive
Drive structure moved to nonuse position for transport
173 27, 173184, E21C 1102
Patent
active
056474423
ABSTRACT:
A drill rig includes a carrier such as a flatbed truck and a drilling unit carried by the carrier. The drilling unit includes a support frame, a mast and feed frame pivotally mounted on the support frame and movable between a lowered position for road travel and an operative position, and a safety interlock for disabling the engine of the carrier after the mast and/or feed frame have been moved to the operative position until the mast and/or feed frame returned to the fully lowered position.
REFERENCES:
patent: 3734211 (1973-05-01), Haisch et al.
patent: 3771547 (1973-11-01), Coleman
patent: 4303130 (1981-12-01), Bonca
patent: 4363519 (1982-12-01), Howard
patent: 4442904 (1984-04-01), Wibom
patent: 5085280 (1992-02-01), Rassieur
patent: 5540292 (1996-07-01), Behrens
patent: 5570975 (1996-11-01), Reinert, Sr.
LandOfFree
Drill rig with carrier/mast safety interlock does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Drill rig with carrier/mast safety interlock, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drill rig with carrier/mast safety interlock will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1486281