Trapezoidal trailer hitch

Claim 2

In combination: a. a vehicle having a rearward end, b. a trailer means having a forward end, c. a trapezoidal hitch means connecting said trailer means and said vehicle, including first and second hitch members having rearward and forward ends, d. said hitch members pivotally secured at their rearward ends to said trailer means and pivotally connected at their forward ends to said vehicle for vertical and horizontal movements, said hitch members extended forwardly and inwardly from their rearward ends with the forward ends thereof spaced apart, and e. said hitch members pivotally connected to said trailer means about axes positioned in a common vertical plane extended transversely of said trailer means and laterally inclined with respect to a corresponding vertical axis in said plane so that a predetermined degree of roll can be induced to said trailer means relative to said vehicle when said trailer means is turned with respect to said vehicle.

Claim 3

In combination: a. a vehicle having a rearward end, b. a trailer means having a forward end, c. a trapezoidal hitch means connecting said trailer means and said vehicle, d. said hitch means including a pair of transversely spaced hitch members having forward and rearward ends with the forward ends thereof spaced apart a distance less than the rear ends thereof, e. means movably connecting the forward ends of said hitch members to said vehicle for relative vertical and horizontal movement, and f. means pivotally connecting the rearward ends of said hitch members to the forward end of said trailer means with the rearward end of one of said hitch members having pivotal movement only about an upright axis located in a vertical plane extended transversely of said trailer means.

Claim 4

In combination: a. a vehicle having a rearward end, b. a trailer means having a forward end, c. a trapezoidal hitch means connecting said trailer means and said vehicle, d. said hitch means including a pair of transversely spaced hitch members having forward and rearward ends with the forward ends thereof spaced apart a distance less than the rear ends thereof, e. means movably connecting the forward ends of said hitch members to said vehicle for relative vertical and horizontal movement, and f. means pivotally connecting the rearward ends of said hitch members to the forward end of said trailer means with the rearward end of one of said hitch members having pivotal movement only about an upright axis located in a vertical plane extended transversely of said trailer means.

Claim 5

The combination of claim 2 wherein: a. said trailer means is of a two wheel type, and b. said means for movably connecting the forward ends of said hitch members comprise coacting ball and socket connectors, and c. the rearward end of each of said hitch members is pivotally movable only about an upright axis located in a common vertical plane extended transversely of said trailer means.

Claim 6

The combination of claim 3 wherein: a. the rearward ends of said hitch members are pivotally connected to said trailer means at positions spaced rearwardly of the forward end of said trailer means.

Claim 7

In combination: a. a vehicle having a first trailer means with a rearward end, b. a second trailer means having a forward end, c. said second trailer means having a bogie wheel assembly pivotally mounted at the forward end thereof for horizontal pivotal movement, said bogie wheel assembly including a pair of spaced apart wheel means having a connecting support extended therebetween, d. a trapezoidal hitch means connecting said second trailer means and said first trailer means, e. said hitch means including a pair of transversely spaced hitch members having forward and rearward ends with the forward ends thereof spaced apart a distance less than the rear ends thereof, f. means movably connecting the forward ends of said hitch members to said first trailer means for relative vertical and horizontal movement, and g. means pivotally connecting the rearward ends of said hitch members to said support with the rearward end of one of said hitch members having pivotal movement only about an upright axis located in a vertical plane extended transversely of said second trailer means.

Claim 8

In combination: a. a vehicle having a first trailer means with a rearward end, b. a second trailer means having a forward end, c. said second trailer means having a bogie wheel assembly pivotally mounted at the forward end thereof for horizontal pivotal movement, said bogie wheel assembly including a pair of spaced apart wheel means having a connecting support extended therebetween, d. a trapezoidal hitch means connecting said second trailer means and said first trailer means, e. said hitch means including a pair of transversely spaced hitch members having forward and rearward ends with the forward ends thereof spaced apart a distance less than the rear ends thereof, f. means movably connecting the forward ends of said hitch members to said first trailer means for relative vertical and horizontal movement, and g. means pivotally connecting the rearward ends of said hitch members to said support with the rearward end of one of said hitch members having pivotal movement only about an upright axis located in a vertical plane extended transversely of said second trailer means.