Resources Contact Us Home
Tension controlled apparatus for feeding web material

Image Number 3 for United States Patent #4231560.

A tension controlled apparatus for feeding web material from a supply source to processing equipment of the type that exerts a pulling force on the web, the apparatus including a drive wheel and a driven wheel mounted for rotation about an axis parallel to the drive wheel and for shifting movement toward and away from the drive wheel, a web feed roller connected coaxially to the driven wheel for rotation thereby and means for guiding the web material to cause it to wrap part way around the web feed roller as it passes from the supply source to the processing equipment and exits from the web feed roller in an exiting direction having a substantial component in a direction to shift the driven wheel into driving engagement with the drive wheel in response to tension applied by the processing machine on the web of material exiting from the feed roller.

  Recently Added Patents
Link establishment in a wireless communication environment
Semiconductor device
Energy storage device package
Power converter for an LED assembly and lighting application
Peer-to-peer, internet protocol telephone system with proxy interface for configuration data
Visual model importation
Systems and methods for detecting and rejecting defective absorbent articles from a converting line
  Randomly Featured Patents
Polypropylene formulations containing small amounts of fluoborates to improve color and water carry-over
Housing mounted powered stapler for stapling variable stack
Reversible mortise lock
Soybean cultivar S080136
Structure for holding lens in lens holding member
Gaming machine with modular bus
Pyroelectric conversion system
Cipher device using RC4 algorithm and method thereof
Liquid treat dispensing system and method of using the same
Illuminating optical system for endoscope