Thrust coupling for a vehicle
AssigneeRossman Research
InventorMichael Rossman
Life of this patent
Estimating the term…
Abstract
The thrust coupling has a thrust frame formed of three tubular sections which is mounted on the underside of a vehicle. The front of the thrust frame is suspended by chains from the front of the vehicle and can be raised and lowered by hydraulic cylinders connected to cross arms attached to the chains. The rear of the thrust frame is connected by a parallelogram arrangement of links in which a shock absorber is connected to dampen motion of the parallelogram arrangement of links.
Claims15
A thrust coupling for a vehicle having a support frame and a hitching device at a rear of the support frame, said thrust coupling comprising
- a thrust frame for disposition under the support frame of the vehicle;
- first means at a rear end of said thrust frame for suspending said thrust frame from the hitching device of the vehicle;
- second means including a strut mounted with universal movement means at each end at a front end of said thrust frame for suspending said thrust frame from the vehicle support frame while permitting free horizontal movement parallel to said vehicle frame;
- and
- third means at said front end of said thrust frame for moving said thrust frame vertically relative to the vehicle frame.
A thrust coupling comprising
- an elongated thrust frame;
- and
- a means at a rear end of said frame for suspending said frame from a hitching device of a vehicle, said means being rotatable about a longitudinal axis of said frame between a first horizontally disposed position to lie flat on a ground surface and a second vertically disposed position to be suspended from the hitching device of a vehicle, said means including a parallelogram arrangement of links for suspending said thrust frame from the hitching device and a damper for damping a motion of said links.
A thrust coupling comprising
- an elongated thrust frame;
- a parallelogram arrangement of links at a rear end of said frame for suspending said frame from a hitching device of a vehicle;
- a block mounted on a front end of said frame;
- a pair of cross arms articulated to opposite sides of said block, each arm being pivotal about a vertical axis relative to said block and being pivotal about a horizontal axis relative to said block;
- a pair of pistons, each piston being connected between said block and a respective cross arm for pivoting said respective cross arm vertically relative to said block;
- means at an end of each cross arm for suspending said cross arms from a vehicle frame;
- and
- a strut pivotally connected to said block and having a distal end for pivotal connection to the vehicle frame.
Dependencies are inferred from the claim text.