US 12,409,478 B2
Transportable machine including a track system
Christopher S. Spaulding, Green Bay, WI (US); Kyle J. Reeder, Waukesha, WI (US); John S. Scott, Brookfield, WI (US); Matt R. Wolf, Milwaukee, WI (US); Timothy J. Hilger, Waterford, WI (US); and Christopher J. Derksen, Hartland, WI (US)
Assigned to MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
Appl. No. 17/059,013
Filed by MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
PCT Filed Jun. 10, 2020, PCT No. PCT/US2020/036914
§ 371(c)(1), (2) Date Nov. 25, 2020,
PCT Pub. No. WO2020/251970, PCT Pub. Date Dec. 17, 2020.
Claims priority of provisional application 62/987,383, filed on Mar. 10, 2020.
Claims priority of provisional application 62/924,533, filed on Oct. 22, 2019.
Claims priority of provisional application 62/859,330, filed on Jun. 10, 2019.
Prior Publication US 2022/0184672 A1, Jun. 16, 2022
Int. Cl. B08B 9/045 (2006.01); B62B 1/10 (2006.01); B62B 1/12 (2006.01); B62B 5/00 (2006.01); B62D 55/02 (2006.01); B62D 55/14 (2006.01); B62D 55/24 (2006.01); B62D 55/30 (2006.01); E03F 9/00 (2006.01)
CPC B08B 9/045 (2013.01) [B62B 1/10 (2013.01); B62B 5/0036 (2013.01); B62D 55/02 (2013.01); B62D 55/14 (2013.01); B62D 55/24 (2013.01); B62D 55/30 (2013.01); E03F 9/005 (2013.01); B62B 1/12 (2013.01); B62B 2202/50 (2013.01)] 14 Claims
OG exemplary drawing
 
8. A transportable machine, comprising:
an elongated frame having a top end and a bottom end;
a handle disposed on the top end of the frame;
a base disposed on the bottom end of the frame, the base and the frame together defining a space configured to receive and support a load;
a wheel disposed on the bottom end of the frame;
a track coupled to the frame, the track including a first roller, a second roller, a frame member extending between the first and second rollers, and an endless belt configured to rotate about the first and second rollers, the endless belt having a recess formed on an inside surface of the endless belt, the recess receiving a rib on the frame member to align the endless belt relative to the frame member; and
a motor coupled to the second roller, the motor operable to drive the endless belt.