(under subclass 93.502) Subject matter wherein the mechanical interconnecting elements are provided to pivot an axle or axle assembly mounted about a vertical pivot axis to execute arcuate travel of the vehicle.
(1) Note. Excluded from this subclass and the indented subclass are plural, laterally disposed, steered swivel trucks, which have been deemed analogous to stub axle structure and thus the control linkage therefore equivalent.
(2) Note. An axle or half axle within this subclass and the indented subclass provides the rotational axis for the wheel.
SEE OR SEARCH THIS CLASS, SUBCLASS:
124.117+, for a vehicle having a vertical pivot axis mounted axle or axle assembly including resilient, shock absorbing interconnection to the vehicle body, chassis, or frame, which may or may not include occupant controlled steering means.
137.5+, for a vehicle having a vertical pivot axis mounted axle or axle assembly lacking a resilient, shock absorbing interconnection to the vehicle body, chassis, or frame, which vertical pivot axis mounted axle or axle assembly enables steering through horizontal swinging by other than an occupant controlled steering means of the vehicle.
