The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 27, 1982
Filed:
Oct. 21, 1980
Arnold G Wilcox, Jr, Shady Spring, WV (US);
Roger D Plumley, Crab Orchard, WV (US);
Fairchild Incorporated, Raleigh, WV (US);
Abstract
A continuous mining machine comprising a cutter assembly including a cutter frame, a pair of oppositely pitched independently vertically movable auger cutters having their axes of rotation disposed generally parallel with respect to one another, a mobile assembly disposed rearwardly of the cutter assembly and including a mobile frame having a pair of parallel power driven endless track units mounted thereon for independent pivotal movement of each unit about a common generally transversely extending horizontal axis disposed adjacent to the forward portion of the track units, a yoke assembly between the mobile assembly and the cutter assembly including a yoke frame pivotally interconnected with the mobile frame for pivotal movement about an axis generally parallel with the common pivotal axis of the track units and pivotally interconnected with the cutter frame for pivotal movement about a generally upright axis extending generally perpendicularly to the pivotal axis of the yoke frame with the mobile frame, and conveyor means including a forward section carried by the cutter frame and a rearward section carried by the mobile frame for conveying coal cut by the auger cutters longitudinally rearwardly of the machine, the forward portion of the rearward conveyor section being mounted on the mobile frame for pivotal movement about an axis parallel to the common pivotal axis of the track units.