Device for replacing battery in smoke alarm

Details Device for replacing battery in smoke alarm Device for replacing battery in smoke alarm

1992-02-25

1994-01-25

Hofsass, Jeffrey

Communications: electrical

Condition responsive indicating system

Specific condition

340693, G08B 1710

Patent

active

052819540

ABSTRACT:
A device for replacing a battery in a battery powered apparatus such as a smoke alarm is provided which permits the battery to be replaced from a location remote from the battery connector of the apparatus. The device hereof includes a guide track in the form of an elongated tube and means shiftable therealong for carrying a battery between the battery connector and the portion of the tube proximal to the user. A rod is provided for shifting a carriage preferably located within the tube. The carriage is preferably configured to present the battery to the battery connector with the terminals oriented to engage the battery connector and press the battery into position. On the retrieval stroke, the carriage is configured to pull the battery out of engagement with the battery connector and carry it to the end of the tube proximal to the user where the battery may be pushed through a port in the tube and readily replaced.

REFERENCES:
patent: 4138531 (1979-02-01), Thompson
patent: 4152551 (1979-05-01), Hiller
patent: 5149038 (1992-09-01), VanCleve

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