Plug-in rechargeable battery unit

Details Plug-in rechargeable battery unit Plug-in rechargeable battery unit

1993-08-26

1995-06-20

Dougherty, Thomas M.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

H01M 1046

Patent

active

054263581

ABSTRACT:
A rechargeable power pack is shaped and dimensioned to be inserted in the battery compartment of an electrical device. The top of the power pack is exactly symmetrical with the battery compartment cover which it replaces. The power pack houses rechargeable power cells, and has a peripheral wall spaced apart from the sides of the battery compartment mounting the battery contact terminal. Flexible prongs project from the peripheral walls to provide a wiping contact with either a spiral spring negative terminal or a stationary positive terminal of the compartment. A top mounted connector allows recharging of the power pack even while in use on the electrical device. Baffles mounted astride each flexible prong avert damage to the prong during insertion of the power pack into the battery compartment.

REFERENCES:
patent: 3757194 (1973-09-01), Weber et al.
patent: 4389469 (1983-06-01), Nicholls
patent: 5015546 (1991-05-01), Dulaney et al.
patent: 5038093 (1991-08-01), Edwards et al.
patent: 5061579 (1991-10-01), Ishimoto
patent: 5200280 (1993-04-01), Karasa
patent: 5212021 (1993-05-01), Smith et al.
patent: 5260636 (1993-11-01), Leiserson et al.

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