(under subclass 200) Device provided with means for retaining the closure in a desired position, or with means for imparting movement to the closure, said means including a second device which when under the influence of heat will release the retaining means or set in motion actuating means to permit or cause the closure to move to a different position.
SEE OR SEARCH CLASS
16, Miscellaneous Hardware,
48.5, for a thermally released door check or closure.
109, Safes, Bank Protection, or a Related Device,
33, for a bank protection device with thermally controlled fluent material means.
116, Signals and Indicators, 101+, for thermal alarms.
126, Stoves and Furnaces,
287.5, for a fusible released damper.
137, Fluid Handling,
72+, for valves controlled by a fusible or heat destructible element, and subclasses 79+, 457 and 468 for other heat responsive valves.
169, Fire Extinguishers,
19, for automatic valves, subclasses 37+ for sprinkler heads, and subclass 42 for fusible connections.
200, Electricity: Circuit Makers and Breakers,
136+, for electrical thermally controlled switches.
222, Dispensing,
54, for a thermally controlled dispensing device. 454, Ventilation,
28, for a thermally released outlet cowl and subclass 369 for thermally actuated fire dampers used in ventilating systems.
