Regardless of the degree of collective pitch applied, the cyclic pitch controls must retain their full range. Both controls are via jacks, so how are the jacks connected?
The helicopter Collective and Cyclic controls are connected to the rotor bladesby swash-plates. The following is a swash-plate :
The following animation shows the connection assembly working :
Swash plate in the resting position.
A raised swash plate causing negative collective blade pitch and thus down force. Note that the control arms are on the trailing sides of the blades, causing raised swash plate to decrease the blade pitch.
A tilted swashplate giving cyclic blade control. Note the change in pitch of the blades during rotation.
Source : Wikipedia
There are three "jacks" providing both collective and cyclic movement to the swash plate, the difference is in how many are moving.
All three are used for collective input: they all move, so the swash plate goes up/down
For longitudinal and lateral movement, only one (or two) depending on configuration) are deflected, so the swash plate cants.