US 12,000,284 B1
Swing arm plow apparatuses and methods
Jason Sleeth, Hundred, WV (US)
Filed by Swanson Industries, Inc., Morgantown, WV (US)
Filed on Jan. 10, 2023, as Appl. No. 18/095,109.
Int. Cl. E21D 23/04 (2006.01); E21D 19/02 (2006.01)
CPC E21D 23/04 (2013.01) [E21D 19/02 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A longwall mining swing-arm plow, comprising:
a longwall mining walker-shield having a base and a base lift advancing mechanism to move the longwall mining walker-shield;
a longwall mining walker-shield connecting bar attached to the walker-shield; and
a swing-arm plow attached to the walker-shield connecting bar, the swing-arm plow having:
a plow panel attached to the walker-shield connecting bar by a hinge; and
a sweeping actuator attached to the walker-shield connecting bar at a first end and the swing-arm plow at a second end to push the swing-arm plow in an arc around the hinge.