Resources Contact Us Home
Fan Retention system

Image Number 2 for United States Patent #6224340.

A fan retention system for a blower/vacuum securely retains the fan and creates an insulating barrier to prevent the operator from touching the functionally insulated armature shaft. A nut having interlocking ramps for interlocking with interconnecting portions on an abutting fan surface is provided. The interconnecting portions of the fan may be either ramps or recesses. Furthermore, the nut has a closed end for insulating the armature shaft from the operator.

  Recently Added Patents
Tray for microwave cooking and folding of a food product
Vehicle location information-based abnormal driving determination and warning system
Strap-hook ring
Light receiving element with offset absorbing layer
Power-saving receiver
Compositions substantially free of sodium chloride and methods for the storage of red blood cells
Helmet mandible
  Randomly Featured Patents
Multiple-processor system and method for transferring data and/or a program stored in one processor to another processor in order to process the data or to execute the program therein
Polyfunctional dimethylnaphthalene formaldehyde resin, and process for production thereof
Process for compensating component tolerances in analog-digital converters
Non-volatile memory device and method for operating the same
Inhibition of the mitogenic activity of PDGF by mammalian EGr
Interconnect structures with engineered dielectrics with nanocolumnar porosity
Purification of Fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether (sevoflurane)
Carbonylation of allylic ethers to esters
Color developing coating using unrefined clays on paper