US 10,890,040 B2
Rotary head guide system for drilling machine
Charles Taylor Hudson, Sherman, TX (US)
Assigned to Caterpillar Global Mining Equipment LLC, Denison, TX (US)
Filed by Caterpillar Global Mining Equipment LLC, Denison, TX (US)
Filed on Oct. 12, 2018, as Appl. No. 16/158,816.
Prior Publication US 2020/0115974 A1, Apr. 16, 2020
Int. Cl. E21B 19/24 (2006.01); B23B 51/00 (2006.01); E21B 15/00 (2006.01)
CPC E21B 19/24 (2013.01) [B23B 51/0054 (2013.01); E21B 15/00 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A rotary head guide system for a mobile drilling machine, comprising:
a drilling mast including a mast frame having an opening along substantially an entire length of the mast frame, the mast frame including edges forming flanges on each side of the opening, the flanges forming a part of the mast frame and extending along the length of the mast frame; and
a rotary head movably coupled to the drilling mast by a support structure including at least two guide assemblies engaging the flanges of the mast frame, the guide assemblies each include a first bracket and a second bracket slidable on respective flanges,
wherein the first bracket slides on a first side of a respective flange and second bracket slides on a second side of the respective flange opposite of the first side of the flange.