Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1978-08-11
1980-09-30
Hickey, Robert J.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
15DIG1, 339119C, H01M 1046
Patent
active
042258146
ABSTRACT:
A storing and recharging base for a cordless electric vacuum cleaner of the type which includes an elongated housing having an electric motor and fan and rechargeable batteries therein. The base has a flat bottom and key slots so that it can rest on a horizontal flat surface or be hung on a wall. The base has an upper surface contoured generally complementary to the lower surface of the vacuum cleaner housing, and has a pocket at one end which receives a nose portion of the vacuum cleaner, and a spring at the other end which releasably engages in a recess in the vacuum cleaner so that the vacuum cleaner can be stored on a horizontal surface, e.g. on a counter top or shelf, or in a drawer, or can conveniently be hung on a wall. The base also has a plug which electrically engages a receptacle in the vacuum cleaner connected to the batteries. A line cord connects the plug to a charger plug which includes a transformer and a plug for insertion into an A.C. outlet so that the batteries can be continuously recharged when the vacuum cleaner is stored on the base. The base is formed with wireways in which the line cord can be wrapped to vary the length of the line cord extending from the base.
REFERENCES:
patent: 3183891 (1965-05-01), MacDonald
patent: 3267510 (1966-08-01), Cote
patent: 3293528 (1966-12-01), Rosen et al.
patent: 3679958 (1972-07-01), Chambers
patent: 3710224 (1973-01-01), Daniels
patent: 3840795 (1974-10-01), Roszyk et al.
patent: 3973179 (1976-08-01), Weber et al.
German Printed Application 2620432, 11/77 Engelman.
Gantz Carroll M.
Karasa Alvydas P.
Pugh Timothy G.
Black & Decker Inc.
Hickey Robert J.
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