A trailer hitch for resisting inadvertent separation of a trailer tongue coupler from a vehicle's hitch ball. The trailer hitch includes a sleeve, a retainer rotatably disposed within the sleeve and including: a rod rotatably disposed within the sleeve, a displacement member coupled to the rod and extending radially therefrom, and a retaining member coupled to the displacement member and resisting inadvertent separation of the trailer tongue coupler from the vehicle's hitch ball when the retaini...

A hitch combination which includes a hitch constituting a part of one vehicle and a coupler constituting a part of another vehicle. The one vehicle includes a first key device which is correlated to a certain characteristic of the vehicle. The other vehicle includes a second key device which is correlated to a certain characteristic of the other vehicle. The key devices of the vehicles have interfering parts which serve to prevent securement of the coupler to the hitch when there is a mismatch o...

A safety trailer hitch in which a ball is mounted on the towing vehicle and a ball clamping coupling is mounted on the trailing vehicle. A member carrying a finger is arranged on the towing vehicle to be positioned with the finger overlying the coupling to prevent the coupling from detaching from the ball even if unlocked. The finger is mounted to be swung out of the way as required to permit the coupling to be disconnected from the ball. In a modified form of the invention a yoke is mounted on ...

A guard for shielding a trailer hitch ball to prevent the front bumper of one vehicle from jumping over such a hitch ball mounted on a draft bar extending rearwardly from another vehicle comprising a U-shaped member having the central portion secured to the draft bar with the legs thereof forming guard plates extending upwardly on each side of the ball, the member being secured to the bar by a U-bolt straddling the bar and extending through said central portion and the guard plates being configu...

An anti-breakaway device for preventing the inadvertent vertical separation of a ball and socket type trailer hitch, having a downwardly opening ball receiving socket, and a draft ball attached to a draft vehicle and received in the socket, the device including interconnected locking plates which overlie portions of the hitch and underlie portions of the draft ball to restrict relative vertical movement of the ball and the socket.

A hitch device for connecting an implement or a wagon or the like to the draw bar of a draft implement such as a tractor in which the hitch device comprises upper and lower plates connected to the drawn device and adapted to receive the draw bar therebetween and having apertures to receive a pin or bolt which also passes through an aperture in the draw bar. A lock bar is pivotally mounted on the upper plate and has a first latched position where it overlies the pin and prevents disengagement the...

The draw pin safety lock device for a draw pin connection between the drawbar of a towing vehicle, such as a tractor, and the tongue of a towed implement includes a mounting member attached to the drawbar adjacent the draw pin. A keeper arm is pivotally mounted on the mounting member and is yieldably urged into engaging relation with the upper end of the draw pin to thereby yieldably resist upward movement of the draw pin. The keeper arm may be pivoted through an overcenter position to a release...

A vehicle hitch device is provided wherein a draft body having a hollow and a notch therein from an open end thereof, is pivotally connected with draft thrust transmission means, for the latter pivotally to reach hitching and release positions. Presser and biasing means, affording rectilinearly movable presser means slidably within the hollow of the draft body, and biasing means, has recessed contact structure of the presser means adjacent to the open end of the draft body, for the head of a ste...

A trailer hitch cover is disclosed comprising apparatus for protecting the open end of a tube hitch. The hitch comprises a hollow member such as a square hollow bar extending in back of a vehicle, the tube being adapted to receive an arm from a trailer which fits into the tube and is secured therein by means of a hitch pin that passes through the opening in the tube and the arm. The apparatus of the invention comprises a member having an adjustable extension which may be inserted inside of the t...

A guide surrounding a trailer hitch ball protects the bumper and the rear end of the vehicle from damage by the trailer hitch member during connection thereof, and comprises a plate secured under the trailer hitch ball and having vertically extending wall portions which join at the rear of the trailer hitch ball in an obtuse dihedral angle. The guide functions to guide the trailer hitch member into cooperating engagement with the trailer hitch ball carried on the vehicle without allowing the sam...