US 11,814,802 B2
Power unit for treating a surface
Roscoe J. Lehman, Dalton, OH (US); Christopher A. Nolt, Dundee, OH (US); and Roy I. Steiner, Dalton, OH (US)
Assigned to VENTURE PRODUCTS, INC., Orrville, OH (US)
Filed by VENTURE PRODUCTS, INC., Orrville, OH (US)
Filed on Dec. 8, 2021, as Appl. No. 17/545,410.
Application 17/545,410 is a continuation of application No. 16/150,938, filed on Oct. 3, 2018, abandoned.
Claims priority of provisional application 62/696,161, filed on Jul. 10, 2018.
Prior Publication US 2022/0098809 A1, Mar. 31, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. E01H 5/04 (2006.01); E01C 19/20 (2006.01); B60K 17/28 (2006.01); B60K 25/02 (2006.01); E01H 3/02 (2006.01); E01H 5/09 (2006.01); E01H 10/00 (2006.01); A01B 59/06 (2006.01); E02F 3/36 (2006.01)
CPC E01H 5/045 (2013.01) [A01B 59/062 (2013.01); B60K 17/28 (2013.01); B60K 25/02 (2013.01); E01C 19/20 (2013.01); E01H 3/02 (2013.01); E01H 5/092 (2013.01); E01H 10/007 (2013.01); E02F 3/3663 (2013.01); E02F 3/3672 (2013.01); B60K 2025/022 (2013.01); E01H 5/098 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A power unit comprising:
a powered vehicle having a frame having a longitudinal axis;
a pair of front wheels and a pair of rear wheels operatively engaged with the frame and spaced longitudinally apart from one another;
differential steering provided on the powered vehicle and which enables the powered vehicle to perform turns with a near zero degree radius;
an attachment selectively detachably engageable with the frame;
a drop spreader located between the pair of front wheels and the pair of rear wheels, wherein the drop spreader is configured to deposit a particulate material directly onto a surface vertically below the drop spreader;
a control panel; and
a platform, said platform being rearward of the control panel and being adapted to receive an operator in a standing position thereon.