Tensioning device with a control mechanism for the tension of a

Details Tensioning device with a control mechanism for the tension of a Tensioning device with a control mechanism for the tension of a

1984-02-01

1986-03-04

Leppink, James A.

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Tension adjuster or shifter driven by electrical or fluid motor

474133, F16H 708

Patent

active

045739528

ABSTRACT:
A belt tensioning installation with a control device for the belt tension, which serves to monitor the tension of a belt, especially of a toothed belt, in order to prevent the relative position between driving and driven toothed belt pulley as a result of an excessive decrease of the belt tension. For that purpose an electric contact place is formed on a pressure element by way of which a tensioning roller is pressed against the toothed belt; the contact place is opened by spring force in case of a non-permissively reduced belt tension. An energizing circuit which includes the contact place is thereby interrupted and an optical or acoustic warning signal is triggered at an indicating apparatus by way of a relay.

REFERENCES:
patent: 3044052 (1962-07-01), Marsh
patent: 3418627 (1968-12-01), Lyons
patent: 3465607 (1969-09-01), Erdman
patent: 3736032 (1973-05-01), Mosshart et al.

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