Handling: hand and hoist-line implements – Hand bars and hand barrows – Ball retriever
Patent
1981-11-13
1983-12-27
Marbert, James B.
Handling: hand and hoist-line implements
Hand bars and hand barrows
Ball retriever
B25J 180
Patent
active
044226829
ABSTRACT:
A checking device for checking the operativeness of smoke alarms and for resetting the smoke alarms once they have been triggered comprises an elongated member in the form of a rod having one end provided with means which are adapted to engage test buttons on the smoke alarms and on the other end thereof, a smoke wafting means in the form of a fan for removing or dissipating accumulated smoke on the interior of the smoke alarms. During a test procedure, the checking device is positioned against the smoke alarm so that the testing means engages a test button to thereby cause the smoke alarm to give off an audible alarm signal. Failure of the smoke alarm to respond during the testing procedure indicates the failure of an internal electrical source. The checking device is utilized for resetting the smoke alarm after it has been triggered by a spurious source of smoke or by-products of combustion, such as smoke arising out of cooking or smoking tobacco in confined quarters. When the smoke alarm is triggered by the above smoke pollutants, the checking device is wafted so that the smoke wafting means clears out the smoke from the interior of the smoke alarm. Thereafter, the other end of the checking device is used to position the testing means against the smoke alarm to deactivate the smoke alarm so that the audible alarm signal is turned off.
REFERENCES:
patent: D3503 (1869-05-01), Nitsch
patent: 4001903 (1977-01-01), Hay
patent: 4325375 (1982-04-01), Nevyas
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