(under subclass 2) Mechanisms preset to cause the releasing or tripping at a particular time of day or at the termination of a particular time interval following the setting.
SEE OR SEARCH CLASS
119, Animal Husbandry,
51.14+, for feeding devices including timer controlled trips.
137, Fluid Handling,
624.19, and 624.22 for valves including timer controlled trips.
185, Motors: Spring, Weight, or Animal Powered, 27+, for a retarded trip releasing a weight motor and subclasses 37+ for a retarded trip releasing a spring motor.
200, Electricity: Circuit Makers and Breakers,
39+, for an electrical circuit switch controlled by a retarded latch trip.
368, Horology: Time Measuring Systems or Devices,
243+, for an horological device controlling the tripping of a sounding device, and in the definition of subclass 152 see the "Note"
