Battery charger

Details Battery charger Battery charger

1983-09-06

1986-05-13

Hickey, R. J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

455 89, H02J 700

Patent

active

045889384

ABSTRACT:
A battery charger for supplying charging current to the rechargeable battery of a portable battery powered device includes a one-piece housing and removable bottom plate. A first portion of the housing includes a receptacle for receiving the device. Upon insertion of the device into the receptacle electric contacts projecting from the bottom wall of the receptacle are biased by a spring acting against the bottom plate into electrical contact with the device to establish electrical communication between the device and charging circuitry within the housing. A first portion of the circuitry is contained within the first portion of the housing to provide mode indications and switch means user-actuable through an aperture in the bottom wall of the receptacle. A second portion of the circuitry is contained within a second portion of the housing having integral ribs on its exterior surface for improved heat dissipation.

REFERENCES:
patent: 3183891 (1965-05-01), MacDonald
patent: 3644873 (1972-02-01), Dalton et al.
patent: 3665285 (1972-05-01), Mullersman et al.

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