Resources Contact Us Home
Toner cartridge

Image Number 5 for United States Patent #6771922.

A toner cartridge for use in a laser printer has a toner reservoir or hopper in which an agitator is pivoted by a rotating paddle away from its home position proximate an exit opening and then returned to its home position by a spring exerting a predetermined desired force on the agitator after the agitator ceases to be moved by the paddle. The spring may be a cantilever spring, a torsion spring, or a stamped and formed leaf spring.

  Recently Added Patents
Method and mobile device for awareness of language ability
Systems, methods and apparatus for payment processing
Universal tablet and smartphone holder
Laser marking of a card
Zoom lens
Wireless communication system using pilot allocation, method and pilot pattern thereof
System and method for secure power systems infrastructure communications
  Randomly Featured Patents
Method and apparatus for providing data logging in a modular device
Anti-skid hydraulic braking systems for vehicles
Composition containing leukocyte extract for the whitening or lightening of skin
Below ground pressurizable cable interconnect enclosure
Image processing apparatus and image processing method
Chopping system for a dishwasher pump assembly
X-Y table with .theta. rotation
Optical filter for spectroscopic measurement and method of producing the optical filter
Flavoring agent
Mechanism for generating message sequence order numbers