Conveyors: power-driven – Conveyor section – Having means to enhance the friction or adherence between...
Patent
1984-01-17
1985-04-30
Bell, Paul A.
Conveyors: power-driven
Conveyor section
Having means to enhance the friction or adherence between...
227 40, 227104, 2941031, B25G 2500
Patent
active
045138567
ABSTRACT:
A transport device includes an elongated housing consisting of parallel spaced bars and end blocks. The housing is mounted for rotation on a pair of conveyor chains by support structure including longitudinally projecting shafts and bushings journaled on the shafts for coupling to the conveyor chain. Adjacent edges of the two housing bars define a support surface for the sticks to be transported. An elongated inner bar is confined between the housing bars for reciprocation, and has an activator rod at one end, extending axially into one of the support shafts and bearing against a cam rotatably mounted transversely at the distal end of that shaft. A spring urges an inner rod into engagement with the cam. The cam is configured to be engaged by support structures associated with the conveyor mechanism, to effect the shifting of the inner rod against the force of the spring. The housing bars have longitudinally spaced aligned pairs of headed pins projecting from the edges defining the support surfaces, each pair of pins defining with the support surface a locating channel for supporting a stick. The inner rod has longitudinally spaced clamping pins projecting from the adjacent edge surface, each pin coacting with an associated pair of headed pins to clamp a stick in the locating channel under the urging of the spring. The inner clamping bar is released by the cam to permit sticks to move into the respective locating channels and to release the sticks from the device.
REFERENCES:
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patent: 3958685 (1976-05-01), McDonald et al.
patent: 4180198 (1979-12-01), Lowrance
Lowrance Thomas F.
Sharp James B.
Bell Paul A.
Lowrance Thomas F.
Murphy Peter J.
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