Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1978-02-16
1980-10-07
Hickey, Robert J.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 5, 429 99, H01M 1046
Patent
active
042271401
ABSTRACT:
An improved battery charger of the type having a housing with a source of electrical energy therein suitable for recharging units capable of being electrically recharged. The housing includes a plurality of cavities each arranged to accommodate a unit to be recharged, and each cavity has electrical contacts which are positioned to contact the terminals of the unit inserted into each cavity for delivering electrical energy to that unit. The improvement comprises a switch in each cavity which is activatable by insertion of the unit therein, the switch being separate from and free from direct contact with the electrical contacts, but electrically connected to the energy source which, in turn, energizes the electrical contacts for recharging the unit upon activation of the switch.
A battery pack unit capable of being recharged including a housing with a first pair of electrically conductive metallic strips on the outside of a side portion thereof, and a second pair of metallic strips on the outside of a top portion of the housing. A plurality of batteries is in the housing, the batteries being electrically connected to each other and to both pairs of the metallic strips. One of the strips in each pair is a negative terminal and the other strip in each pair is a positive terminal for the pack unit.
REFERENCES:
patent: 1425689 (1922-08-01), Powell
patent: 3183891 (1965-05-01), MacDonald
patent: 3390319 (1968-06-01), Robison
patent: 3579075 (1971-05-01), Floyd
patent: 3694729 (1972-09-01), Jones
patent: 3973179 (1976-08-01), Weber et al.
Feeney Joseph D.
Gonsalves Anthony W.
Nardella Paul C.
Wrublewski Thomas A.
Codman & Shurtleff Inc.
Hickey Robert J.
Tobin Donal B.
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