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Class Information
Number: 116/74
Name: Signals and indicators > Alarms > Speed limit
Description: Devices which include arrangements whereby an alarm is sounded when a predetermined speed of rotation of a shaft or wheel or other movement is reached. Used on machines of various sorts, mills, cream-separators, grain-elevators, etc.

Patents under this class:

Patent Number Title Of Patent Date Issued
6600409 Signaling self-contained add-on accessory for an analog metering device such as a speedometer and secondary device Jul. 29, 2003
4565322 Liquid spray apparatus for dispensing liquid droplets of constant droplet size Jan. 21, 1986
4377125 Swing speed analyzer Mar. 22, 1983
4259918 Self-cleaning traction wheel motion sensor Apr. 7, 1981
4119055 Traction wheel motion sensor Oct. 10, 1978
4022147 Flywheel impelled cycle signal for appliance May. 10, 1977

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