The Arens Q36 Series control mechanism uses a "strap-shoe locking mechanism" which has four main elements: a primary input lever, an actuating or output lever, a strap-shoe / locking pin assembly and a sationary quadrant.
The strap shoe assembly is spring-loaded to the unlocked position until a load is applied to the output, causing the strap-shoe to rotate about the locking pivot, forcing a locking pin to grip the quadrant. The gripping force caused by a pin on the underside of the quadrant and the strap-shoe locks the control. Two locking pins enable the control to lock with an output load from either direction.
| Specifications | |
|---|---|
| Maximum operating load on output | 200 in/lbs |
| Maximum self-locking capacity | 400 in/lbs |
| Input lost motion With 100 in/lbs load on motion* |
2.5° max. |
| Output lost motion With full reversal of 100 in/lbs. load |
3.5° max. |
| Min. output load required for self-locking | 50 in/lbs |
| Input torque as a percentage of maximum operating load on output | @ 20% = 3.0 x output torque @ 60% = 1.6 x output torque @ 100% = 1.2 x output torque |
| Normal free running torque | 20 in/lbs |
| Torque to breakout of center detent | 40 in/lbs |
| * Input lost motion is built-in at factory and no adjustment is provided. | |
