Blowers with variable nozzles
AssigneeTti (Macao Commercial Offshore) Limited
InventorsRonald J. Hoffman, Christopher A. Holman, Eric Nolin
Life of this patent
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Abstract
A blower includes a main body which includes a housing and a fan disposed in the housing. The housing further defines an air discharge opening. The blower further includes an extension tube connected to the air discharge opening, the extension tube extending between a first end connected to the air discharge opening and a second end. The blower further includes a variable nozzle, the variable nozzle including a plurality of adjustable air control surfaces. The blower further includes a nozzle adjustment tube connected to the second end of the extension tube and at least partially surrounding the variable nozzle.
Claims20
A blower, comprising:
- a main body comprising a housing and a fan disposed in the housing, the housing further defining an air discharge opening;
- an extension tube connected to the air discharge opening, the extension tube extending between a first end connected to the air discharge opening and a second end;
- a variable nozzle, the variable nozzle comprising a plurality of adjustable air control surfaces;
- and
- a nozzle adjustment tube connected to the second end of the extension tube and at least partially surrounding the variable nozzle,
- wherein rotation of the nozzle adjustment tube about a longitudinal axis causes movement of the air control surfaces between a first position and a second position.
A blower, comprising:
- a main body comprising a housing and a fan disposed in the housing, the housing further defining an air discharge opening;
- an extension tube connected to the air discharge opening, the extension tube extending between a first end connected to the air discharge opening and a second end;
- a variable nozzle, the variable nozzle comprising a plurality of adjustable air control surfaces, each of the plurality of air control surfaces comprises an exterior raised cam surface;
- and
- a nozzle adjustment tube connected to the second end of the extension tube and at least partially surrounding the variable nozzle, the nozzle adjustment tube comprising one or more interior raised cam surfaces,
- wherein movement of the one or more interior raised cam surfaces relative to the exterior raised cam surfaces along a longitudinal axis causes movement of the air control surfaces between a first position and the second position.
Dependencies are inferred from the claim text.