Patent ID: 11938777
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 14:
15. A suspension system of a vehicle comprising:
a helical coil spring; and
a height adjustable top mount disposed on a vertical top of the helical coil spring and including:
a top plate configured to mount to a body of the vehicle;
a worm wheel received in the top plate and including an inner wheel surface and an outer wheel surface that opposes the inner wheel surface;
a core received within the worm wheel and helically meshed to the inner wheel surface of the worm wheel, wherein the core includes a cylindrical body and a flange extending radially outwardly from the cylindrical body, and wherein the flange of the core abuts the helical coil spring;
a worm gear meshed to the outer wheel surface of the worm wheel,
wherein rotation of the worm gear drives rotation of the worm wheel, rotation of the worm wheel simultaneously moves the top plate vertically relative to the core, and movement of the top plate adjusts a ride height of the vehicle in a corresponding direction,
wherein the top plate includes an aperture that is aligned with the worm gear; and
a set screw positioned within the aperture and configured to restrict rotation of the worm gear.