Brush wear indicator

Details Brush wear indicator Brush wear indicator

G - Physics

01

B

340/135, 324/17

G01B 7/14 (2006.01) G01R 31/34 (2006.01) H01R 39/58 (2006.01)

Patent

CA 1077594

Abstract of the Disclosure A brush which presses against the comutator of a direct current machine has a groove in one side thereof into which a fixed probe partially extends. As the brush wears, movement thereof causes physical engagement of the probe with the end of the groove to complete a current path through the probe. Flow through the current path energizes and latches a warning device.

267818

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