A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/64
A47L 9/02 (2006.01) A47L 9/06 (2006.01)
Patent
CA 1277113
ABSTRACT OF THE DISCLOSURE Vacuum cleaner attachments which have a V-shaped cleaning head and are particularly suited for cleaning in corners and crevices and along the edges of surfaces. Vertically biased and rotatable brushes and other disturbers can be provided to promote the dislodgement of foreign substances from the surface being cleaned; and the attachment can be constructed to operate in a first mode in which suction is concentrated in the nose of the attachment, causing it to emulate a conventional crevice tool. In a second mode of operation, the suction is distributed along the legs or wings of the attachment so that it functions in a manner skin to that of a dusting brush or floor cleaning attachment. An optional control and a detent arrangement allow more sophisticated versions of the attachment to be operated in a selected one of the foregoing modes or in a third mode in which the attachment alternates between the two first-mentioned modes of operation as it is pushed away from and pulled toward the operator. A preferred universal-type connection between the cleaning head and a vacuum fitting attached thereto facilitate the manipulation of the attachment and allow pressure to be brought to bear on the nose of the gleaning head, thereby promoting the dislodgement of foreign substances from the surface being cleaned.
529340
Finlayson & Singlehurst
Fleischhauer Eugene
LandOfFree
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