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US 6,182,329 B2Granted
Portable air blower
OwnerChing-Chih Lininventor
Life of this patent
Estimating the term…
Abstract
A portable air blower includes a housing having an air inlet and an air outlet, a fan rotatably mounted in the housing, a gear train attached to the housing to rotate the fan, a drive shaft having a first end and a second end, the first end secured to the gear train to operate the gear train, and a crank arm secured to the second end of the drive shaft to rotate the drive shaft manually.
Claims6
A portable air blower comprising:
- a housing having an air outlet and two casing halves coupled with each other, each of said two casing halves having an air inlet near the center of each of said two casing halves;
- a fan rotatably mounted in said housing;
- a gear train attached to said housing to rotate said fan;
- a drive shaft having a first end and a second end, said first end being rotatably mounted to said housing, wherein the first gear of said gear train is securely attached to said drive shaft in said housing to operate said gear train;
- and
- a crank arm secured to said second end of said drive shaft to rotate said drive shaft.
3 more elements
Dependencies are inferred from the claim text.