Chemistry: electrical current producing apparatus – product – and – Cell support for removable cell – Having switch or interlock means
Patent
1978-02-16
1979-07-10
Walton, Donald L.
Chemistry: electrical current producing apparatus, product, and
Cell support for removable cell
Having switch or interlock means
429 99, H01M 210
Patent
active
041608577
ABSTRACT:
A canister for a removable battery comprises a receptacle for receiving the battery therein. The battery is insertable so that its electrical terminals are upwardly facing and exposed for contact. A cover is provided for enclosing the battery in the receptacle and electrical contacts are associated with the cover for contacting the battery terminals when the cover is positioned over the receptacle with the battery inside. An electrical connector is electrically connected to the electrical contacts inside the cover and provides means on the outside of the cover for an electrical connection in order to derive voltage from the battery.
A battery pack unit in combination with the canister comprises a plurality of batteries electrically connected to each other and has electrical terminals in contact with the electrical contacts in the cover. The terminals are electrically connected to the batteries in order to provide a source of electrical current from the pack unit.
A further combination includes the canister and battery pack unit together with a tool electrically operated by direct current with a cable connecting the canister with the tool for providing direct current from the battery unit in the canister to the tool for driving the same.
REFERENCES:
patent: 1075556 (1913-10-01), Fenoughty
patent: 3829332 (1974-08-01), Iizuka et al.
patent: 3887393 (1975-06-01), LaRue
patent: 3963972 (1976-06-01), Todd
Feeney Joseph D.
Gonsalves Anthony W.
Nardella Paul C.
Wrublewski Thomas A.
Codman & Shurtleff Inc.
Rodrick Richard J.
Walton Donald L.
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