Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1999-02-23
2000-08-15
Snider, Theresa T.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15347, A47L 900
Patent
active
061016705
ABSTRACT:
A dust collection tester of a vacuum cleaner for conveniently cleaning by vacuum absorption floors, carpets, sofas, etc., which makes it possible to visually confirm dust collection force of the vacuum cleaner and dust collection states according to absorption force of the vacuum cleaner, and includes a lower body formed with a transparent material and having a hinge part at one side, a locking part at the other side, and an insertion part formed with grooves to be inserted into the insertion opening portion of the vacuum cleaner by locking the protrusion of the opening portion of the vacuum cleaner in the grooves of the insertion part of the lower body, and an upper body formed with a transparent material and symmetrically to the lower body and having a hinge part at one side, a locking piece at the other side, and a dust collection conduit, wherein the hinge parts of the lower body and the upper body are connected by a hinge pin, and the locking part of the lower body is coupled with the locking piece of the upper body.
REFERENCES:
patent: 2293920 (1942-08-01), Replogle
patent: 2351068 (1944-06-01), Replogle
patent: 2353621 (1944-07-01), Replogle
patent: 2759228 (1956-08-01), Gordon
patent: 2766844 (1956-10-01), Humphrey
patent: 4825502 (1989-05-01), Armstrong et al.
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