Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1979-09-04
1981-12-29
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15377, 15387, 15392, 15410, A47L 900
Patent
active
043074855
ABSTRACT:
A vacuum cleaner floor tool is provided which comprises a housing and an air-powered turbine motor within the housing. An agitator partially extends from the housing and is coupled to the turbine motor and driven thereby. At least one end of the agitator is supported by a substantially L-shaped spring metal strip having one end supported in a notch in the base plate of the floor tool and the other end supported on a stub on the base plate of the floor tool. The base plate of the floor tool is removably mounted on the housing and forms a wall thereof. The agitator extends from the housing through an opening in the base plate, and air passes through this opening into the turbine motor. The floor tool is coupled to a vacuum cleaner wand or hose by means of an elbow coupling, and the elbow coupling has a latch which comprises a protrusion on the elbow itself and a latch plate having a protrusion thereon, the latch plate being spring-biased towards the elbow coupling. The elbow latch enables the wand to be fixed in a vertical position with relation to the floor tool for storage, and enables the wand to be moved to a rotatable position during use. A bumper strip surrounds the housing, and a cover covers the housing. The cover has a notch therein which engages the bumper strip and holds it in place.
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patent: 4167801 (1979-09-01), Erbor et al.
Black & Decker Inc.
Moore Chris K.
Murphy Edward D.
Ottesen Walter
Weinstein Harold
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