Patent ID: 7927197

Claim:
A diffuser for controlling flow of air in an air conditioning system, the diffuser including: an air flow control baffle; at least one pivotally mounted arm with an end connected to the baffle, said arm having a first cam surface on one side of its pivotal mounting and a second cam surface on the other side of its pivotal mounting; a first control element having a first surface for bearing on said first cam surface and a second control element having a second surface for bearing on said second cam surface, said respective control elements being movable in an actuating direction towards and away from the respective cam surfaces; set point adjustment means for coupling the first and the second control elements such that the control elements move in unison in the actuating direction when actuated; and offset adjustment means for moving the first control element in the actuating direction toward or away from the second control element to adjust an offset between the first and second control elements without moving the second control element.