Battery missing indicator

Details Battery missing indicator Battery missing indicator

1990-02-26

1993-03-09

Cuchlinski, Jr., William A.

Signals and indicators

Indicators

Diverse

116200, 429100, 340636, G01D 1300, H01M 210

Patent

active

051918552

ABSTRACT:
A battery powered condition detecting unit includes first and second battery retaining prongs which in the absence of a battery come in contact with a blocking flange on a cover thereby making it impossible to latch the cover to the unit. In the presence of a battery, the free ends of the battery retaining prongs are spread apart so that the blocking flange drops therebetween allowing the cover to be latched to the unit.

REFERENCES:
patent: 4227191 (1980-10-01), Raber
patent: 4228428 (1980-10-01), Niedermeyer
patent: 4525703 (1985-06-01), Bellino
patent: 4533904 (1985-08-01), Steinman, Jr.
patent: 4870395 (1989-09-01), Belano
patent: 4881063 (1989-11-01), Fawcett
patent: 5055830 (1991-10-01), Cousins et al.
Honeywell Publication, published Jun., 1977 Form No. 60-2347-4.
Honeywell Publication, published Sep. 1978, Form No. 60-2465.

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