Actuator control for retractable bristle brushes

Details Actuator control for retractable bristle brushes Actuator control for retractable bristle brushes

1983-07-07

1984-08-28

McNeill, Gregory E.

Toilet

Nail device

Compound tools

132 85, A45D 200

Patent

active

044678215

ABSTRACT:
A slideable control is provided for use in retractable bristle brushes. It operates by co-action with a rotatable, cylindrical mandrel carrying pivoted bristles and having an angular cam slot. The control includes a longitudinally slideable button in the handle which has a control pin operatively extending through a control slot in the handle and then into the cam slot to cause rotation of the mandrel. The button also includes a pair of parallel guide blades, one on each side of the control pin, slideable within slotted guides in the handle, to reduce torque between the control pin and the cam slot. The control slot may include detents proximate to its ends to receive and hold the control pin against longitudinal movement.

REFERENCES:
patent: 723365 (1903-03-01), Cheney
patent: 2244068 (1941-06-01), Kay
patent: 2578084 (1951-12-01), Mureau
patent: 2701378 (1955-02-01), Reinbolt et al.
patent: 4327753 (1982-05-01), Bertschi

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