Upright vacuum cleaner with spring loaded nozzle

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction

Reexamination Certificate

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Details

C015S351000, C015S352000

Reexamination Certificate

active

10885053

ABSTRACT:
An upright vacuum cleaner includes a nozzle assembly, a canister assembly pivotally mounted to said nozzle assembly, a suction fan and drive motor and a biaser. The biaser has a first end that engages the nozzle assembly and a second end that engages the canister assembly. The biaser provides a positive downforce urging the forward end of the nozzle assembly toward the surface being cleaned.

REFERENCES:
patent: 2583054 (1952-01-01), Kirby
patent: 2632915 (1953-03-01), Gerber
patent: 3163439 (1964-12-01), Huston et al.
patent: 3217351 (1965-11-01), Hayba
patent: 3772727 (1973-11-01), Worwag
patent: 3827103 (1974-08-01), Nordeen et al.
patent: 4014068 (1977-03-01), Payne et al.
patent: 4446594 (1984-05-01), Watanabe et al.
patent: 4724574 (1988-02-01), Bowerman et al.
patent: 5467502 (1995-11-01), Johnson et al.
patent: 5819370 (1998-10-01), Stein
patent: 5970576 (1999-10-01), Maurer et al.
patent: 6591447 (2003-07-01), Wegelin et al.
patent: 6772474 (2004-08-01), Nishikori et al.
patent: 6957473 (2005-10-01), Nishikori et al.

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