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
Tire tread
Apparatus and method for controlling semiconductor die warpage
Optical article comprising a temporary anti-fogging coating with improved durability
Hot-press cushion material and manufacturing method of the same
Local call local switching at handover
Event-triggered server-side macros
Image processing device, printing apparatus, image processing method, and method of producing printing apparatus
  Randomly Featured Patents
Air bag with externally mounted tether
Treating aids and HIV infection with methionine
Cartridge refill for a correction tape/glue tape
System of utilizing cell information to locate a wireless device
Feeder and method of supplying a continuous strip of surface mount contacts to surface mounting equipment
Apparatus and method for blocking television commercials with a content interrogation program
Scrubbing structure
Non-thrombogenic and anti-thrombogenic polymers
Supply switch circuit for implementing a switchable on-chip high voltage supply