US 11,814,803 B2
Belt drive power unit
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. 9, 2021, as Appl. No. 17/546,552.
Application 17/546,552 is a continuation of application No. 17/545,410, filed on Dec. 8, 2021.
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 2022/0098810 A1, Mar. 31, 2022
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)] 21 Claims
OG exemplary drawing
 
1. A power unit comprising:
a powered vehicle;
a platform provided on the powered vehicle, said platform being configured for an operator to stand thereon during operation of the powered vehicle;
differential steering provided on the powered vehicle which enables the powered vehicle to perform turns with a near zero degree radius;
a snow-removal attachment engageable with the powered vehicle, wherein said attachment is located forwardly of a front end of the powered vehicle, said snow-removal attachment being adapted to perform a task of removing snow from a surface as the powered vehicle travels over the surface;
at least one of a pump and a motor provided on the attachment;
a belt-drive power take-off system provided to transfer power from the powered vehicle to the at least one of the pump and the motor in order to power the snow-removal attachment, wherein the belt-drive power take-off system comprises:
a first belt-drive system provided on the powered vehicle; said first belt-drive system including a first drive belt;
a second belt-drive system provided at partially on the attachment; said second belt-drive system including a second drive belt;
wherein the second belt-drive system is operatively engaged with the at least one of the pump and the motor on the attachment;
wherein an overlap is formed between the first belt-drive system and the second belt-drive system; and
wherein power from the first belt-drive system is transferred to the second belt-drive system at the overlap.