CPC Subgroup
G05G 15/06 due to the speed of rotation or of bodily movement of a member, e.g. passing an upper or lower limit thereof (speedometers G01P)
Full Title
Mechanical devices for initiating a movement automatically due to a specific cause > due to the speed of rotation or of bodily movement of a member, e.g. passing an upper or lower limit thereof (speedometers G01P)