Resources Contact Us Home
More silent and robust electric pencil sharpener

Image Number 4 for United States Patent #8016004.

A pencil sharpener for sharpening a pencil includes a central gear including an aperture along an axis of the central gear for receiving an end portion of the pencil. A first gear rotates the central gear and a strap joined to the central gear secures the pencil when the central gear is rotated. A shaft is in communication with the first gear where when the central gear is rotated the shaft is rotated. A cutting blade is in communication with the shaft where when the shaft is rotated the cutting blade cuts the end portion of the pencil at an angle to form a point.

  Recently Added Patents
Active metal fuel cells
Treatment of cancer using the sodium salt of a benzoic acid derivative
Solid-state imaging apparatus
Image processing apparatus, image forming system, and computer-readable storage medium
Distortion estimation for quantized data
Constant low-flow air source control system and method
Display apparatus having a semi-penetration layer and a sealing unit
  Randomly Featured Patents
USB monitor
Internal combustion engine
Ink container
Stacking column for storing storage articles
Head support for shoulder surgery positioner
Crop processor
Catalyst for the manufacture of triethylenediamine
Polymeric based composite bearing
Golf club head with alignment indicia
Process for converting vinyl alcohol polymers to poly(keto-esters) therefrom