Trailer hitch

Claim 2

A trailer hitch comprising: a. a pin means comprising an adjustable pin mounted on the trailer; b. means mounted on the towing vehicle defining a seat; c. locking means for locking said pin in said seat means, said locking means having one movable jaw and one stationary jaw, said movable jaw being capable of locking by engaging said pin; d. spring means urging said locking means into said locked position; and e. a trigger means, associated with said seat including a trigger plate, a catch on said trigger plate, and a latch means on said movable jaw which latch means engages said catch when said locking means is unlocked, said catch being released by the pressure of said pin upon the said trigger plate upon introduction of the pin into said seat means.

Claim 3

A device as in claim 1 further comprising: f. ramp means for guiding said pin into saiD recess means; and g. handle means connected with said movable jaw for moving said jaw to an unlocked position.

Claim 4

A device in accordance with claim 1 further comprising: h. locking clip means associated with said handle for automatically locking said pin locking means in the locked position.

Claim 5

A device as in claim 2 further comprising: i. means for securing said handle means in said locked position; and j. means for securing said handle means in an unlocked position.

Claim 6

A trailer hitch mounted on a flat surface of a pick-up truck comprising: a. a pair of support means each disposed above the rear wheel wells of the truck and secured to the truck bed thereto; b. a crossmember adapted to be adjustably and removably secured to said pair of support means; c. hitch means mounted on said crossmember for engaging a pin on a towed vehicle, said hitch means having a seat for said pin; d. locking means for locking the pin in said seat, said locking means having one slidable member and one stationary member, said slidable member being capable of assuming both a locked and unlocked position with respect to said stationary member; e. spring means biasing said slidable locking member into the locked position; f. handle means connected to said slidable locking member for unlocking said member; and g. means for securing said handle means in the locked position and means for securing said handle means in the unlocked position.

Claim 7

A trailer hitch mounted on a flat surface of a pick-up truck comprising: a. a pair of support means each disposed above the rear wheel wells of the truck and secured to the truck bed thereto; b. a crossmember adapted to be adjustably and removably secured to said pair of support means; c. hitch means mounted on said crossmember for engaging a pin on a towed vehicle, said hitch means having a seat for said pin; d. locking means for locking the pin in said seat, said locking means having one slidable member and one stationary member, said slidable member being capable of assuming both a locked and unlocked position with respect to said stationary member; e. spring means biasing said slidable locking member into the locked position; f. handle means connected to said slidable locking member for unlocking said member; and g. means for securing said handle means in the locked position and means for securing said handle means in the unlocked position.

Claim 8

The towing apparatus of claim 5 further comprising: h. a trigger means comprising a plate means pivotally mounted at one end to said stationary locking member, a catch means in said plate means, a latch means on said slidable locking member engaged with said catch when said locking means is in an unlocked position and cocked, the free end of said trigger plate being disposed over said seat, said catch being released by contact of the pin with said plate means.

Claim 9

The locking trigger means of claim 6 having a spring means connected with said trigger plate and said movable jaw biasing said trigger to the cocked position.

Claim 10

The towing apparatus of claim 5 further comprising: j. automatic locking means connected with said handle means and said spring means for automatically locking said movable jaw into the locked position preventing said handle means from being moved to the unlocked position.

Claim 11

A trailer hitch mounted on the bed of a pick-up truck comprising: a. a pair of support means adapted to be secured to the truck bed; b. a crossmember adapted to be secured to said pair of support means at a plurality of points with respect to the axle of the truck; c. a pin means mounted on a trailer, said pin means comprising a support frame mounted on said trailer and a pin member comprising a shaft means adjustably secured to said support frame whereby the length of the pin may be adjusted to effect leveling of the trailer when the trailer is hitched to said truck; d. hitch means mounted on said crossmember, said means having a seat thereon for receipt of the pin mounted on the towed vehicle; e. jaw means defining said seat in said hitch, said jaw means having one movable member and one stationary member; f. spring means mounted between the movable jaw member and a spring retainer mounted on said crossmember biasing the movable jaw member into a closed and locking position with respect to said pin member; g. a handle means connected to said movable jaw member for moving said jaw from the closed position to to the open position; and h. means connected with said jaw opening handle means adapted to engage with said movable jaw member and said spring retainer member upon closing said movable jaw member whereby said jaw member cannot be opened.

Claim 12

A trailer hitch mounted on the bed of a pick-up truck comprising: a. a pair of support means adapted to be secured to the truck bed; b. a crossmember adapted to be secured to said pair of support means at a plurality of points with respect to the axle of the truck; c. a pin means mounted on a trailer, said pin means comprising a support frame mounted on said trailer and a pin member comprising a shaft means adjustably secured to said support frame whereby the length of the pin may be adjusted to effect leveling of the trailer when the trailer is hitched to said truck; d. hitch means mounted on said crossmember, said means having a seat thereon for receipt of the pin mounted on the towed vehicle; e. jaw means defining said seat in said hitch, said jaw means having one movable member and one stationary member; f. spring means mounted between the movable jaw member and a spring retainer mounted on said crossmember biasing the movable jaw member into a closed and locking position with respect to said pin member; g. a handle means connected to said movable jaw member for moving said jaw from the closed position to to the open position; and h. means connected with said jaw opening handle means adapted to engage with said movable jaw member and said spring retainer member upon closing said movable jaw member whereby said jaw member cannot be opened.

Claim 13

The trailer hitch as set forth in claim 9 wherein said pin shaft means is telescopically mounted within said support member.

Claim 14

The trailer hitch of claim 10 wherein lock means are provided to hold saId pin shaft means in a predetermined position with respect to said support member.

Claim 15

The trailer hitch of claim 9 wherein the pair of support members are constructed in such manner as to be mounted over the wheel wells of the pick-up truck and mounted on the bed of the truck.

Claim 16

The trailer hitch of claim 9 further comprising: i. a trigger means associated with said seat means and said jaw means in such manner that movement of said pin into said seat effects the automatic closing of said movable jaw member about said pin.

Claim 17

The device as in claim 1, further comprising: k. means for vertically adjusting said pin.