Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1977-03-22
1979-02-20
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15365, 15367, 15373, A47L 906
Patent
active
041399234
ABSTRACT:
A suction attachment for a vacuum cleaner has a housing component and a brush component which is accommodated within the housing component. Two mounting members mount the brush component in the housing component for displacement between a retracted position in which the brushes of the brush component are received within the housing component, and an extended position in which the brushes extend to the exterior of the housing component and into contact with a surface to be vacuum cleaned. The mounting components are interconnected by connecting members for synchronous pivoting about spaced pivot axes. Each mounting member is pivotally mounted on the brush component and has a support portion which engages the housing component. One of the mounting members has an actuating portion which is acted upon by an actuating element for pivoting the mounting members into positions corresponding to the extended position of the brush component against a biasing force, and a releasing portion acted upon by a flexible portion of the actuating element for releasing the mounting members and the brush component for displacement of the latter toward the retracted position. The other mounting member may have faces of distinctive appearance which are visible through a window of the housing component and indicate the position of the brush component.
REFERENCES:
patent: 3727263 (1973-04-01), Johansson
patent: 3952363 (1976-04-01), Lindman
Moore Christopher K.
Striker Michael J.
Vorwerk & Co. Interholding GmbH
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