Patent ID: 11957079
Assignee: METALCRAFT OF MAYVILLE, INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC A  F | IPC A  F

Claim 20:
21. A stand-on blower, comprising:
a chassis that includes a frame;
an engine mounted to the frame;
a pair of drive wheels supported by the frame and selectively receiving power from the engine for moving the stand-on blower;
a pair of casters pivotally attached to the frame, each caster defining a pivot axis at a respective attachment location;
a riding platform mounted to the frame and upon which an operator stands during use of the stand-on blower;
a blower system, including:
an impeller housing that surrounds an impeller to direct a volume of air that is accelerated by the impeller in a downstream direction through the blower system;
a housing outlet duct that extends between the impeller housing and an outlet nozzle, wherein:
the housing outlet duct extends angularly forward from the impeller housing with:
a housing outlet duct inlet end connected to and receiving an airflow from the impeller housing a housing outlet duct outlet end arranged forward of the housing outlet duct inlet end and the impeller housing and defining a downwardly-facing opening;

the outlet nozzle defines an inlet end with an upwardly-facing opening that receives the airflow from the downwardly-facing opening of the housing outlet duct; and
the outlet nozzle is configured to rotate about a vertical axis that:
extends through the housing outlet duct downwardly-facing opening;
extends through the outlet nozzle upwardly-facing opening; and
is positioned forward of each of the pivot axes of the pair of casters.