Door closer having sound generating function

Details Door closer having sound generating function Door closer having sound generating function

1985-09-05

1988-08-09

Orsino, Jr., Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

200 6162, 340547, 340549, 340693, G08B 1308, H01H 316

Patent

active

047631112

ABSTRACT:
A door closer which is capable of issuing a selected sound or remaining silent when the associated door is opened and which can be mounted on an existing door opener mechanism. Two covers are provided which are mounted on opposite ends of a door closer mechanism body. One of the two covers carries a speaker, while the other carries a sound generating circuit, sensors, and a changeover switch. The changeover switch is used for selecting among, for instance, an alarm sound, a melody chime, and silence. An operating lever for the changeover switch extends through the cover to the outside for ease of selection.

REFERENCES:
patent: 3973357 (1976-08-01), Kluempers
patent: 4016381 (1977-04-01), Rodseth
patent: 4335376 (1982-06-01), Marquardt
patent: 4339747 (1982-07-01), Maybee
patent: 4583081 (1986-04-01), Schmitz

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