Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1991-01-14
1991-10-29
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Endless conveyor
104249, 104 89, B65G 2300
Patent
active
050607898
ABSTRACT:
A conveyor anti-runaway apparatus is provided for a conveyor of the type driven by an electric motor connected to a source of electrical power. The anti-runaway apparatus includes a switch tripping device having a tripping arm structure which is periodically bumped by conveyor wheel structure and which is caused to pivot into a switch opening position when the conveyor speed is unacceptably high. The tripping arm structure also functions as a blocking element to prevent conveyor movement. Jackscrew structure is provided to permit rapid disengagement of the tripping arm structure to facilitate restart of the conveyor.
REFERENCES:
patent: 1806913 (1931-05-01), Paquette
patent: 3149715 (1964-09-01), Massimiani
Chrysler Corporation
Craig Edward A.
Gastineau Cheryl L.
Valenza Joseph E.
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