摘要 |
<p>An adjusting mechanism for a regulating device comprises a housing which has an end wall that includes a keyshaped slot, a spring collar which is movably mounted in the housing to effect the adjustment in the regulating device, an elongated spindle which is connected at its lower end portion to the spring collar and extends through the slot in the housing end wall, and a handwheel connected to the upper end portion of the spindle located outside the housing. The elongated spindle includes a collar portion along its length and the key-shaped slot is configured to allow the lower end portion and collar portion to fit through the wider portion of the slot but be retained by the narrower portion.</p> |