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Class 116/160 - Plunger operated


Subclass of Class 116 - Signals and indicators
Definition: Plungers which are used for operating the bells.
No. of patents: 3
Last issue date: 06/05/2007


NumberTitleIssue Date
7225753Bell device
A bell device includes a housing having two housing members secured together, and one or more peripherals rib extended into an opening of the housing, a securing device includes a shank engaged in the opening of the housing, and includes a peripheral flange extended...
06/05/2007
4970490Motor bell alarm
A motor bell alarm comprises an electric motor and a linkage by which the rotational motion generated by an electric motor is translated to a longitudinal oscillating motion so as to cause a plunger coupled to the linkage to cyclically strike a shell, the...
11/13/1990
4664056Irreversible threshold-temperature indicator
A temperature-monitoring and -witnessing device has an at least partially transparent container forming a pair of adjacent chambers at least one of which is substantially closed and formed with a passage between the chambers, a valve including a metallic ...
05/12/1987
 
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