Conveyors: power-driven – Conveyor system for moving a specific load as a separate unit – System includes a load supported by a conveyor portion which...
Reexamination Certificate
2008-07-29
2008-07-29
Gordon, Stephen (Department: 3612)
Conveyors: power-driven
Conveyor system for moving a specific load as a separate unit
System includes a load supported by a conveyor portion which...
C104S172200, C410S084000
Reexamination Certificate
active
11709667
ABSTRACT:
The apparatus is a coupling device that couples a cart to a continuously moving towline which is recessed into the cart support surface. A vertically movable coupling pin engages the towline and is lifted away from the towline to disengage the cart from the towline. To prevent irregularities in the support surface from accidentally lifting the pin away from the towline, the pin is attached to the cart through a structure that also permits the cart to move freely relative to the pin but maintain the pin engaged with the towline. The preferred embodiment attaches the coupling pin to a movable tube that moves within a fixed tube, and the movable tube also can be lifted by a cam and locked into a position with the pin disengaged.
REFERENCES:
patent: 2816516 (1957-12-01), Diehl
patent: 3048126 (1962-08-01), Salapatas
patent: 4144818 (1979-03-01), Fletcher
patent: 5368152 (1994-11-01), Rhodes
Edwards David M.
Shoemaker John
CNH America LLC
Gordon Stephen
Harms Michael G.
Sheldrake Patrick M.
Stader John William
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