Pneumatically actuated beltless conveyor

  • US 6,988,611 B2
  • Filed: 09/27/2002
  • Issued: 01/24/2006
  • Est. Priority Date: 04/10/2000
  • Status: Active Grant
First Claim
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1. A pneumatically actuated, beltless conveyor assembly comprising:

  • a housing, a drive system supported by said housing and at least one transport tray supported by said housing and operatively connected to said drive system, said housing including a bottom plate, a slider top plate operatively connected to said drive system with said transport tray operatively connected to said slider top plate;

    said drive system including a seal-less pneumatic engine, and a control valve operating to sequentially cycle pressurized air to alternating ends of said seal-less pneumatic engine so as to drive said transport tray in repeated, rectilinear fashion through movement in one direction at a first predetermined slower speed to advance materials supported on said transport tray in the direction of the length of said tray and movement in a second direction opposite to said first direction at a second predetermined speed that is greater than the first predetermined speed such that the transport tray moves relative to the material supported thereon.

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