Hitch positioner

Claim 2

A hitch positioner, comprising: a. a first link means having in an outer end portion means to attach same to a dolly vehicle at the hitch end portion thereof, said dolly vehicle having means to hitch same to a towing vehicle and means to mount for towing another trailer, b. a second link means having means in an outer end portion to attach same to said towing vehicle at the rear portion thereof, c. a means to rigidly secure together said first link means and said second link means, said first link means and said second link means are each pivotally attachable to the dolly vehicle and the towing vehicle respectively, said means to rigidly secure is a connector link means, said connector link means has means to secure said first link means and said second link means thereto, said first link means and said second link means have a pivotal mount means secured to the structure of said dolly vehicle and the towing vehicle respectively, said first link means and said second link means each have an outer end portion with a lug thereon, said lug being constructed and adapted to be attached to said mount means, said first link means and said second link means each have an inner end portion on the end portion thereof opposite said outer end portion, said connector link means has means to receive and hold said first link means and said second link means on an inner end portion thereof, said connector link means is an elongated member having a cylindrical interior portion and a transverse aperture therethrough, and said inner end portion of said second link means is an elongated cylindrical portion and has a transverse aperture therethrough, same said inner end portion passable into said cylindrical interior portion of said connector link means, said hitch positioner is constructed and adapted in operation to be connected when the dolly vehicle is hitched to said towing vehicle in order to maintain the dolly vehicle in a rigid horizontal position relative to said towing vehicle.

Claim 3

The hitch positioner of claim 1, wherein: a. said first link Means inner end portion is threadedly attached to said connector link means, b. said means to secure is a locking pin passable through said connector aperture and said second link means aperture, and c. said first link means lug, said second link means lug and said mount means have apertures therethrough constructed and adapted in operation to receive a locking pin.

Claim 4

The hitch positioner of claim 2, wherein: a. said second link means inner end portion has a plurality of said transverse apertures therethrough, and b. said connector link means has a plurality of said transverse apertures therethrough.

Claim 5

In a rig having a tractor, a leading trailer hitched to the tractor, and a dolly vehicle hitched to the rear of the leading trailer, said dolly vehicle having means hitching same to said leading trailer and mounting for towing a semi-trailer, a hitch positioner, comprising in combination: a. a first link means having in an outer end portion a means to attach to said dolly on the hitched end portion thereof, b. a second link means having in an outer end portion a means to attach same to said leading trailer on the rear thereof, and c. a means to rigidly secure together said first link means and said second link means, said first link means and said second link means are each pivotally attachable to the dolly vehicle and the leading trailer respectively, said means to rigidly secure is a connector link means, said connector link means has means to secure said first link means and said second link means thereto, said first link means and said second link means have a pivotal mount means secured to the structure of said dolly vehicle and the leading trailer respectively, said first link means and said second link means each have an outer end portion with a lug thereon, said lug being constructed and adapted to be attached to said mount means, said first link means and said second link means each have an inner end portion on the end portion thereof opposite said outer end portion, said connector link means has means to receive and hold said first link means and said second link means on an inner end portion thereof, said connector link means is an elongated member having a cylindrical interior portion and a transverse aperture therethrough, and said inner end portion of said second link means is an elongated cylindrical portion and has a transverse aperture therethrough, same said inner end portion passable into said cylindrical interior portion of said connector link means, said hitch positioner is constructed and adapted in operation to be connected when the dolly vehicle is hitched to said leading trailer in order to maintain the dolly vehicle in a rigid horizontal position relative to said leading trailer.

Claim 6

In a rig having a tractor, a leading trailer hitched to the tractor, and a dolly vehicle hitched to the rear of the leading trailer, said dolly vehicle having means hitching same to said leading trailer and mounting for towing a semi-trailer, a hitch positioner, comprising in combination: a. a first link means having in an outer end portion a means to attach to said dolly on the hitched end portion thereof, b. a second link means having in an outer end portion a means to attach same to said leading trailer on the rear thereof, and c. a means to rigidly secure together said first link means and said second link means, said first link means and said second link means are each pivotally attachable to the dolly vehicle and the leading trailer respectively, said means to rigidly secure is a connector link means, said connector link means has means to secure said first link means and said second link means thereto, said first link means and said second link means have a pivotal mount means secured to the structure of said dolly vehicle and the leading trailer respectively, said first link means and said second link means each have an outer end portion with a lug thereon, said lug being constructed and adapted to be attached to said mount means, said first link means and said second link means each have an inner end portion on the end portion thereof opposite said outer end portion, said connector link means has means to receive and hold said first link means and said second link means on an inner end portion thereof, said connector link means is an elongated member having a cylindrical interior portion and a transverse aperture therethrough, and said inner end portion of said second link means is an elongated cylindrical portion and has a transverse aperture therethrough, same said inner end portion passable into said cylindrical interior portion of said connector link means, said hitch positioner is constructed and adapted in operation to be connected when the dolly vehicle is hitched to said leading trailer in order to maintain the dolly vehicle in a rigid horizontal position relative to said leading trailer.

Claim 7

The hitch positioner of claim 4, wherein: a. said first link means inner end portion is threadedly attached said connector link means, b. said means to secure is a locking pin passable through said connector aperture and said second link means aperture, and c. said first link means lug, said second link means lug and said mount means have apertures therethrough constructed and adapted in operation to receive a locking pin.

Claim 8

The hitch positioner of claim 5, wherein: a. said second link means inner end portion has a plurality of said transverse apertures therethrough, and b. said connector link means has a plurality of said transverse apertures therethrough.