Mechanically Actuated Spindle

A drive shaft with external threa (s) and with machined bearing surface(s) and/or drive mechanisms other than a hub at one or both ends. The item mates with a cam, gear segment or lead nut and the like and may be used for actuating and power transmission purposes. Bearings may be included. Excludes gear rack and worm shaft. (replaces spindle, actuator, mechanical)