Tiltable bucket assembly
Patent 4906161 Issued on March 6, 1990. Estimated Expiration Date: 
August 5, 2008. 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.
August 5, 2008. 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 ReferencesSwingable bucket for excavators Excavating machine with position indication of its work implement Bucket excavator Patent #: 4639183 InventorApplicationNo. 229023 filed on 08/05/1988US Classes:414/705, Laterally tiltable or shiftable shovel or fork37/403, COMBINED OR CONVERTIBLE37/468, Having quick-connect coupling414/723With means to facilitate attachment of shovel or rake to handle or boomExaminersPrimary: Spar, Robert J.Assistant: Eller, James T. Jr. Attorney, Agent or FirmInternational ClassE02F 005/02AbstractA fluid-powered, laterally tiltable bucket assembly having a bucket with a pair of bucket clevises, and an actuator having a generally cylindrical body with an output shaft rotatably disposed therein with an axis in general parallel alignment with a forward rotation plane through which the bucket is rotatable on a backhoe arm by the operation of a rotation link. A bracket is attached to the body and has a pair of clevises for pivotal attachment to the vehicle arm and rotation link. The output shaft has a pair of shaft clevises for attaching the shaft to the corresponding bucket clevises. A linear-to-rotary transmission device disposed within the body produces rotational movement of the shaft relative to the body to produce lateral tilting of the bucket in a lateral plane generally transverse to the forward rotational plane for the bucket.Other References
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