Hub-locking device
Patent 4227826 Issued on October 14, 1980. Estimated Expiration Date: 
February 16, 1999. 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.
February 16, 1999. 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 References 2431476 3009747 3627339 Fluid power piston actuators Hub-locking device Patent #: 4140413 InventorAssigneeApplicationNo. 06/013187 filed on 02/16/1979US Classes:403/371, Split or slotted bushing279/16, Self-centering of floating384/206, Ball and socket403/90Ball and socketExaminersPrimary: Shedd, Wayne L.Attorney, Agent or FirmInternational ClassesF16D 1/095 (20060101)F16D 1/091 (20060101) F16D 1/06 (20060101) AbstractAn improved hub-locking device for conveyor pulleys including a spherically shaped collet having a centrally located bore for receiving a shaft, an axially aligned slot extending through one side thereof permitting compression of the collet on the shaft, and a plurality of radially extending lugs, a hub attached to the end of the pulley and having an axially aligned tapered aperture for partially receiving the collet with the shaft therein and a plurality of radially extending recesses for receiving the collet lugs, a clamping ring having a tapered aperture for partially fitting over the collet, and a plurality of bolts for passing through holes in the clamping ring, for threading into the hub and for drawing the clamping ring toward the hub compressing the collet therebetween with the lugs within the recesses, and causing the collet to compress and engage the shaft, the hub and the clamping ring. | |
