Rechargeable electric portable appliance

Details Rechargeable electric portable appliance Rechargeable electric portable appliance

1981-06-23

1983-02-15

Shoop, William M.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

336DIG2, H02J 700

Patent

active

043743544

ABSTRACT:
An electric toothbrush housing contains a motor, a battery and a secondary coil coupled to charge the battery. An elongated magnetic core is disposed within that secondary coil. A well is defined in a base which receives a portion of the housing within which the secondary coil is positioned. In that base is a primary coil for inducing magnetic energy into the secondary coil. Disposed within the primary coil is an elongated stud of magnetic material. It is aligned axially with the core, so that respective end portions are mutually adjacent. One of those end portions is generally cup shaped and the other is formed and relatively oriented to nest within the first.

REFERENCES:
patent: 3277358 (1966-10-01), Nicholl
patent: 3418552 (1968-12-01), Holmes
patent: 3463994 (1969-08-01), Spohr
patent: 3633089 (1972-01-01), Dorion, Jr. et al.
patent: 3840795 (1974-10-01), Rosyk et al.

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