초록 ▼

An automatic self-steering trailer axle wherein the wheel spindles are pivotally mounted upon the steering knuckle plate and may be pivoted in front of or behind the kingpin by means of a ratchet wheel which is engaged or disengaged by changing the direction of movement of the axle. The invention al

An automatic self-steering trailer axle wherein the wheel spindles are pivotally mounted upon the steering knuckle plate and may be pivoted in front of or behind the kingpin by means of a ratchet wheel which is engaged or disengaged by changing the direction of movement of the axle. The invention also includes a control linkage assembly which may be connected to the trailer axle and also connected to the trailer hitch or towing vehicle steering so that a change in direction of the towing vehicle while it is being operated in a rearward direction is transmitted directly to the control linkage.

대표청구항 ▼

An automatic self-steering vehicle axle comprising: a pair of rotation pivoting wheel assemblies, each of said wheel assemblies including a rotation plate; a pair of steering arms, each of said steering arms being connected to one of said wheel assembly\s rotation plates; and a rod member pivotally

An automatic self-steering vehicle axle comprising: a pair of rotation pivoting wheel assemblies, each of said wheel assemblies including a rotation plate; a pair of steering arms, each of said steering arms being connected to one of said wheel assembly\s rotation plates; and a rod member pivotally connecting said steering arms, wherein said wheel assemblies are rotatably connected to the ends of the axle, said wheel assemblies rotation plates being capable of rotation about a vertical axis and, further, wherein each of said wheel assemblies are pivotally connected to said rotation plates, said wheel assemblies capable of pivoting about a horizontal axis wherein said horizontal pivotal axis intersects said vertical rotational axis; and further wherein said wheel assembly includes a ratchet locking means for locking the axial rotation of the wheel assembly.