Web tracking device with ramp support
Patent 5397043 Issued on March 14, 1995. Estimated Expiration Date: 
March 14, 2012. 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.
March 14, 2012. 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 ReferencesWeb aligner Belt tracking system Pneumatic system for supporting and steering a belt Patent #: 4197002 InventorApplicationNo. 728478 filed on 07/11/1991US Classes:226/21Pivotally mounted rollerExaminersPrimary: Stodola, Daniel P.Attorney, Agent or FirmInternational ClassB65H 023/00AbstractA web tracking device includes a tensioning and steering roller that is movable to apply tension to a web uniformly across its width and that can be tilted in response to the tendency of the web to drift laterally to steer the web and thereby maintain it within a predetermined path. The steering position of the roller is established by roller supporting structure including a support cooperating with a ramp such that the tilt of the roller is effected by relative lateral movement between the ramp and the support. The same elements of the roller supporting structure that define the steering position of the roller also at least partially support the roller to provide for the roller movement by which the web is uniformly tensioned. | |
