Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1989-04-10
1990-06-19
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15339, 220326, A47L 914
Patent
active
049340190
ABSTRACT:
The invention comprehends a pair of latching arrangements for a vacuum cleaner bag door. The latching arrangements each consist of an operator button and an urging spring, with the urging spring including the latching hook. These two elements are assembled in the bag door lid in a captivating condition with each other and maintained therein by one way locking barbs.
REFERENCES:
patent: 2450544 (1948-10-01), Foley
patent: 2755106 (1956-07-01), Brennan et al.
patent: 2978732 (1961-04-01), Hansen
patent: 2998864 (1961-09-01), Gaudry
patent: 3259268 (1966-07-01), Anderson
patent: 3438081 (1969-04-01), Ruzzier
patent: 3564641 (1971-02-01), Meyer
patent: 4545794 (1985-10-01), Himukai
Melegari Gerald L.
Shorthill Robert C.
Moore Chris K.
The Hoover Company
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