Portable telescoping stacking conveyor

Patent 7455173 Issued on November 25, 2008. Estimated Expiration Date:

December 28, 2026. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

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Inventors

Assignee

Astec Industries, Inc.

Application

No. 11646775 filed on 12/28/2006

US Classes:

198/812Having variable conveying length

Examiners

Primary: Deuble, Mark A.

Attorney, Agent or Firm

Chambliss, Bahner & Stophel, P.C.

International Classes

B65G 15/60
B65G 21/14

Abstract

A portable telescoping stacking conveyor for stockpiling bulk particulate materials includes a primary conveyor frame, a secondary conveyor frame, an undercarriage and a base frame having a king pin for engagement with a tow vehicle. The front end of the primary conveyor frame is pivotally mounted to the base frame. The secondary conveyor frame of the portable telescoping stacking conveyor has a left secondary top chord and a right secondary top chord. The secondary conveyor frame is receivable by the primary conveyor frame and moveable with respect thereto between a retracted position and an extended position. The primary conveyor frame is arranged, configured and adapted to support the secondary conveyor frame only by supporting the left secondary top chord and the right secondary top chord.