Vibrating screen apparatus

  • US 6,575,304 B2
  • Filed: 05/02/2001
  • Issued: 06/10/2003
  • Est. Priority Date: 05/26/1999
  • Status: Expired due to Fees
First Claim
Patent Images

1. A vibrating screen apparatus operated from a power source for separating material by size, said vibrating screen apparatus comprising:

  • a frame having side walls and cross braces, vibrating screen between said side walls;

    a tensioning device for stretching said vibrating screen between said side walls;

    vibrating bars beneath and adjacent said vibrating screen, said vibrating bars being generally parallel to side walls;

    vibrator attached to said vibrating bars to cause vibration thereof upon activation from said power source; and

    air mount isolators mounted between said cross braces and said vibrating bar to help isolate vibrations from said frame, said air mount isolators allowing said vibrating bar to vibrate and to help prevent noise from said vibration, wherein upon inflation of said air mounts isolators, a lengthwise crown is formed in said vibrating screen and tension therein is increased and wherein said air mounts isolators are located on both sides of said vibrator, said vibrator being located near the middle of said vibrating bars.

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