Autodisconnect Clutches

Autodisconnect Clutch Side ViewAutodisconnect Clutch End View

Autodisconnect Clutch Overview:

The AD-Series Tiny-Clutch allows the input to drive one way and leaves the output free in both directions. When Torque is applied to the input hub the clutch engages and the output sleeve is driven. When torque is removed from the input the output may then freely rotate in either direction. The AD-Series is suited for use in applications such as, coil winding, spool winding, film drives or any similar application requiring an automatically free wheeling clutch.

Autodisconnect Clutch Operating Principle:

The AD-Series Tiny-Clutch consists of a sleeve and drum assembly, a fixed hub, a driven hub, a spring and a collar. The collar fits over and has slight drag on the fixed hub, it also engages a tang on the spring that connects the input and the output side of the clutch. When the input is turned it forces the spring to wrap down on the output drum due to the drag between the collar and the fixed hub. In this condition the clutch will drive. When torque is removed from the input, the spring is free to relax and unwind, thus decoupling the input form the output.

Autodisconnect Clutch Mounting:

AD-Series Tiny-Clutch units are available as either R.H. or L.H. drive. AD-Series Clutches are available as either shaft or hub input. They are typically secured to the shaft with a set screw. They may also engage a pin in the shaft.

The AD-Series clutches should be mounted so that a stationary pin engages the slot in the torque arm. It is important that the torque arm is not firmly screwed down but allowed to float, as this may prevent the clutch from operating normally. The stepped hub will accept No. 25 roller chain sprockets of 17 teeth and over. Special input or output hubs are available upon request to suit customers' needs.

Special Sizes & Bores Available:

  • We will design and build special or modified clutches using stock components and production tools.
  • Clutches can be supplied with gears, sprockets, etc.
  • Complete mechanical assemblies consisting of clutch, shaft and adjacent parts may be supplied.