Back to results
US 6,608,423 B2Granted
Brush holder assembly
AssigneeJohnson Electric S.A.
InventorSiu Chun Tam
Life of this patent
Estimating the term…
Abstract
A universal motor has a brush holder assembly which is fixed to a support bracket using a single fastener. The brush holder assembly uses a terminal cap to secure the brush and brush spring within the brush holder. The terminal cap is fixed to the brush holder and compresses the brush spring by movement of the terminal cap in a single direction.
Claims10
A brush holder assembly, for use in a fractional horsepower universal motor, comprising:
- a brush holder having a through hole for slidably receiving a carbon brush and a brush spring,
- a terminal for connecting the brush to a supply lead,
- a cap for closing one end of the through hole thereby capturing the brush spring within the brush holder between the cap and the brush,
- wherein the brush holder has a flange for bearing against an outer surface of a support bracket, and
- the brush holder has a projection extending transversely to a direction of said through hole arranged to bear against an inner surface of the support bracket opposite said outer surface and is arranged to be secured to the bracket by a single fastener.
2 more elements
Dependencies are inferred from the claim text.