Adjustable roller brake

Details Adjustable roller brake Adjustable roller brake

1986-11-10

1988-02-09

Nase, Jeffrey V.

Conveyors, chutes, skids, guides, and ways

Rollerways

Submerging and rising

188 83, B65G 13075

Patent

active

047236469

ABSTRACT:
An adjustable brake for a conveyor roller formed of a tube mounted upon a coaxial shaft extending through a support hub includes a resilient washer-like pad on the end face of the roller, a similar pad on the adjacent hub face and a series of balls compressed between the pads. The end of the shaft extends outwardly of the hub, through a conveyor support rail, and threadedly engages a nut. Adjustment of the nut adjustably presses the support hub towards the roller end to adjustably squeeze the balls between the rings. The balls resiliently compress the portions of the rings that they contact to embed into the ring surfaces and form momentary depressed sockets in the ring surfaces. Rotation of the roller relative to the support hub causes rotation of the balls and corresponding displacements of the depressed sockets which produces resilient resistive forces upon the balls to retard the speed of rotation of the roller.

REFERENCES:
patent: 1971515 (1934-08-01), Transue
patent: 2560015 (1951-07-01), Waldron
patent: 3899063 (1975-08-01), Pollard

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