Pull station

Details Pull station Pull station

1985-10-11

1987-11-10

Weldon, Ulysses

Communications: electrical

Systems

Signal box type

340308, G08B 2500

Patent

active

047060654

ABSTRACT:
A pull station having a housing of unitary construction with integral cover and base portions, the cover portion having a handle so that the cover portion can be pulled away from the base portion when a signal, such as an alarm signal, is to be generated, a break glass holder provided on one of the portions for receiving a glass structure to be broken when the cover portion is pulled away from the base portion, a glass breaker provided on the other of the portions, the glass breaker having a camming surface to ride over the glass structure when the portions are closed and having a breaking surface for breaking the glass structure when the cover portion is pulled away from the base portion, and a signal generator for generating a signal when the cover portion is pulled.

REFERENCES:
patent: 2083324 (1937-06-01), Edwards
patent: 2594369 (1952-04-01), Verkuil et al.
patent: 2726381 (1955-12-01), Verkuil
patent: 2985741 (1961-05-01), Ellmann
patent: 3715743 (1973-02-01), Denton
patent: 4280120 (1981-07-01), Trafford et al.

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