Portable battery powered electrical apparatus with improved batt

Details Portable battery powered electrical apparatus with improved batt Portable battery powered electrical apparatus with improved batt

1985-01-04

1986-03-25

Hickey, R. J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

429 97, 455 89, 455349, H02J 700, H01M 210, H04B 138

Patent

active

045786283

ABSTRACT:
An improved portable battery powered electrical device is disclosed which includes a battery pack having normally inactivated battery terminals so that inadvertent short circuiting thereof will not produce an undesirable high amplitude short current thereacross. A normally open switch interrupts the current path in the battery pack which is actuated to energize such battery terminals only when the battery pack is fully interconnected and mated to the associated portable housing. Fuse means are included to prevent the use of unauthorized battery packs without the foregoing safeguard provisions.

REFERENCES:
patent: 3533119 (1970-10-01), Dokos
patent: 3728664 (1973-04-01), Hurst
patent: 3855534 (1974-12-01), Holcomb
patent: 3864172 (1975-02-01), Marks
patent: 3864173 (1975-02-01), Butschkau
patent: 4072800 (1978-02-01), Bock
patent: 4191917 (1980-03-01), Brown et al.
patent: 4436792 (1984-03-01), Tomino et al.

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