Conveyors: power-driven – With means to facilitate working – treating – or inspecting... – Means engaging conveyor or load on a conveyor to align load...
Patent
1986-04-21
1988-03-22
Valenza, Joseph E.
Conveyors: power-driven
With means to facilitate working, treating, or inspecting...
Means engaging conveyor or load on a conveyor to align load...
193 32, 1984636, 198633, B65G 4700
Patent
active
047322586
ABSTRACT:
A work station module which includes a buffer storage area (B) for the transitory storage of workpiece carriers (A) which are received at non-specific intervals and an escapement station (C) to facilitate performance of some operation of a workpiece carried by each carrier. The buffer storage area includes a conveying surface (30) which is defined by a multiplicity of fibers (36) and which is vibrated to move the carriers longitudinally therealong. The resiliency of the fibers permits carriers which are adjacent the escapement station to remain stationary even though the conveying surface is vibrating. A directing rail (50) extends upward through the fibers and terminates just below their upper surface such that the carriers are supported on the fibers and not the directing rail. The carrier includes a plurality of pins (18, 20) which extend downward therefrom to define a slot for receiving the rail. At the escapement station, the carriers are decelerated by engagement with a friction drag surface (62) and are brought into general alignment with the escapement station by a stop surface (60). The carriers are lifted by arms (72) and brought into more accurate alignment with the escapement station by the interaction of pins (70) on the arms and bushings (24) in the carriers. A precision alignment pin (90) and an associated bushing (26) bring the carrier and escapement station into accurate alignment to facilitate performance of an automatic operation on the workpiece carried thereon.
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