Excavating – Snow or ice removing or grooming by portable device – Motorized rotary excavating tool
Patent
1995-11-02
1997-02-18
Nicholson, Eric K.
Excavating
Snow or ice removing or grooming by portable device
Motorized rotary excavating tool
37246, 37260, F01H 500
Patent
active
056031734
ABSTRACT:
A portable, hand-held snow thrower comprising a power unit and an attachment removably securable to the power unit. The attachment includes an impeller having a first pulley and a flexible drive shaft. A first end of the drive shaft is connected to the power unit, and a second end of the drive shaft is drivably connected to a second pulley lying substantially in a plane with the first pulley. A lower portion of the drive shaft is curved and extends through an impeller housing. The second pulley is operably connected to the first pulley to provide a gear ratio therebetween resulting in a desired rotational speed of the impeller.
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Nicholson Eric K.
Pezzuto Robert
Ryobi Outdoor Products Inc.
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