Belt tracking system
Patent 4174171 Issued on November 13, 1979. Estimated Expiration Date: 
July 24, 1998. 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.
July 24, 1998. 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.Patent ReferencesInventorsAssigneeApplicationNo. 05/927191 filed on 07/24/1978US Classes:399/165, Alignment or tensioning198/806, Revolvable means engaging carrier belt face automatically skews to correct belt training deviation226/23Responsive to material-contacting elementExaminersPrimary: Moses, R. L.Attorney, Agent or FirmInternational ClassG03G 15/00 (20060101)AbstractAn apparatus in which the lateral alignment of a belt arranged to move in a pre-determined path is controlled. A support mounted resiliently constrains lateral movement of the belt causing the belt to apply a moment to a pivotably mounted steering post. As a result of this moment, the steering post pivots in a direction to restore the belt to the pre-determined path.Other References
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