Pallet conveying system
Patent 4532869 Issued on August 6, 1985. Estimated Expiration Date: 
September 24, 2002. 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.
September 24, 2002. 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 3192873 3356040 3818837 3842752 3903810 Vehicle and track system Driverless vehicle traffic control system Vehicle control device Driverless vehicle with two way accumulation Vehicle precision stop assembly Patent #: 4428300 InventorsAssigneeApplicationNo. 06/423375 filed on 09/24/1982US Classes:104/166, Longitudinal rotary shafts104/251, Car retaining104/252, Releasable feed104/35, TURNTABLES104/38Electric controlExaminersPrimary: Reese, Randolph A.Assistant: Foster, Glenn B. Attorney, Agent or FirmInternational ClassesB65G 35/00 (20060101)B65G 35/06 (20060101) Foreign Application Priority Data1982-08-24 JPAbstractA pallet conveying system comprising pallet guide rails supported on a frame, a driving shaft extending along the guide rails, motors for driving the driving shaft, a turntable mechanism disposed at the end of the pallet guide rails and having changeover rails alignable with the guide rails and a changeover driving shaft connectable to the driving shaft, a driven roller pivotally attached to the underside of a pallet and pressed against the circumference of the driving shaft with the axis of rotation thereof inclined with respect to the axis of the driving shaft, levers projecting from the front and the rear ends, respectively, of the pallet for causing the axis of rotation of the driven roller to be moved parallel to the axis of the driving shaft when the levers are retracted, and pallet stopping and positioning mechanisms each disposed at a predetermined position on the guide rails and adapted to cause the axis of rotation of the driven roller to be approximately parallel to the axis of the driving shaft and to hold a stopping pin projecting from the underside of the pallet. | |
