Patent ID: 11912086
Assignee: POLARIS INDUSTRIES INC.
Field: Transport (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 0:
1. A suspension system for a vehicle, comprising:
a shock absorber housing having a longitudinal axis;
a spring disposed around the shock absorber housing;
a retainer collar disposed around the shock absorber housing;
an actuator engaged to the retainer collar, the actuator moves at least a portion of the retainer collar to move the spring in a direction corresponding the longitudinal axis, the actuator comprises a motor coupled to the retainer collar;
said shock absorber housing comprises first external threads and the retainer collar comprises internal threads engaging the first external threads, the motor rotating the retainer collar around the longitudinal axis so that the internal threads move relative to the first external threads and the spring moves in an axial direction, the first external threads disposed within a flanged extension disposed at a first end of the shock absorber housing,
a first seal disposed between the shock absorber housing and the retainer collar and a second seal disposed between the flanged extension and the retainer collar;
a switch generating a ride height position signal; and
a controller coupled to the actuator and the switch, said controller controlling a position of the actuator in response to the ride height position signal.