Vacuum cleaner dust container filling indicator device

Details Vacuum cleaner dust container filling indicator device Vacuum cleaner dust container filling indicator device

A - Human Necessities

47

L

73/10, 15/55, 11

A47L 9/10 (2006.01) A47L 9/19 (2006.01)

Patent

CA 1059784

ABSTRACT An indicator mounted on a vacuum cleaner housing for showing at any given time the degree of filling of the dust container. The indicator includes bellows which are connected to both the atmosphere and the interior of the vacuum cleaner housing whereby the bellows are acted upon under the influence of the changing pressure differential to respectively expand or contract the bellows thereby indicating the degree of clogging of the dust container.

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