ABSTRACT
Detent center locations, and that of the mating detent balls, shown in Figure 21, are arranged according to the angular positions shown in the following table. Addition of ∆θ° shown in the top row above detent number 1 to the value of θ° just above detent number 1 gives θ° for detent number 2, and so on. ∆θ° 25 30 35 40 45 50 60 75
This detent arrangement could be improved. That is because in each rotation of the disk fitted with the spring-loaded ball assembly relative to the disk in which the detents are cut there are three relative orientations where two ball-and-detent pairs engage. In those three instances the torque may momentarily jump to 25% of the rated torque rather than to the 12.5% that may occur when only one ball-and-detent pair engages.
