Battery compartment safety interlock

Details Battery compartment safety interlock Battery compartment safety interlock

1992-02-03

1994-02-15

Gaffin, Jeffrey A.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

200 6162, 429 97, H01M 210, H01H 316

Patent

active

052870138

ABSTRACT:
An electronic device such as a cordless telephone base station (100) includes a battery compartment (212) for storing back-up batteries. The battery compartment (212) has a cover (202) which prevents access to the back-up batteries. When the battery compartment cover (202) is attached, a safety interlock electrically connects the back-up battery contact terminals (204 and 206) found in the battery compartment (212) to the rest of the base station electronics 320. But when the battery compartment cover is opened, the safety interlock disconnects the battery terminals (204) and (206) from the rest of the electronics. In this way the base station user is protected from dangerous electrical shock which may become present at the battery contact terminals (204 and 206).

REFERENCES:
patent: 3714643 (1973-01-01), Sosin et al.
patent: 3753389 (1973-08-01), Monks
patent: 4645325 (1987-02-01), Inoue et al.
patent: 5007859 (1991-04-01), Sangregory et al.

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