Patent ID: 11951585
Assignee: BLACK & DECKER, INC.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 9:
10. A pole sander comprising:
an elongate body having a first end and a second end;
an electric motor; and
a sanding head attached via a pivot mechanism to the first end of the elongate body, wherein the sanding head comprises:
a hood including a plate and a peripheral wall formed on the underside of the plate around an edge of the plate;
an output spindle that projects from the hood and is rotatably driven by the electric motor around a rotational axis;
a brush ring mounted on the underside of the plate adjacent the edge of the plate inside of the peripheral wall, wherein the brush ring is attached to the plate via a spring comprising at least one of a leaf spring or a wave spring;
a circular inner wall formed on the underside of the plate in proximity to the edge of the plate inside of the peripheral wall and brush ring, wherein the peripheral wall and inner wall form a trough in the brush ring; and
an aperture that informed through the base of the trough and through the plate.