Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1981-12-14
1985-01-08
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Endless conveyor
474140, B65G 2120
Patent
active
044923040
ABSTRACT:
A retainer for preventing a conveyor drive chain from jumping off its sprocket is presented. The retainer comprises a shoe having a lining with an arcuate working surface of anti-friction material disposed over a lower run portion of the chain that is disposed over a drive sprocket. Coils springs bias the lining into engagement with the drive chain. Means are provided for maintaining the center of the working surface of the lining substantially concentric with the center of rotation of the drive sprocket.
REFERENCES:
patent: 1288550 (1918-12-01), Forsyth
patent: 2355003 (1944-08-01), McCann
patent: 3951254 (1976-04-01), Juhrend
FMC Corporation
Megley Richard B.
Pizzanelli Louis J.
Valenza Joseph E.
Williamson Dennis
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