Hitch ball lock

1. A lock for securing a hitch ball comprising:

at least two side members and at least one cross-bar member that intersects said side members and has an aperture for receiving a threaded member of a hitch ball;

a first recess formed by at least two side members and at least one cross-bar member, wherein said recess is dimensioned to receive a portion of a vehicle draw bar; and

at least two surfaces dimensioned to engage a nut placed an the end of the threaded member of a hitch ball; wherein such engagement prevents rotation of the nut.

2. The lock of claim 1 further comprising a second recess formed by at least two side members and a second surface of at least one cross-bar member.

3. The lock of claim 1 further comprising a slot formed on one surface of said cross-bar member.

4. The lock of claim 1 further comprising an integral threaded member formed as part of said lock.

5. The lock of claim 2 further comprising one or more adapters placed within said second recess and having at learn two surfaces fur engaging a nut.

6. A trailer lock assembly comprising:

a hitch ball having a ball portion and a threaded portion;

a lock housing with a aperture for receiving the threaded portion of said hitch ball; and

a threaded member for receiving the threaded portion of said hitch ball;

wherein said threaded member is at least partially enclosed by a portion of the lock housing such as to prevent rotation of said threaded member;

wherein the bitch ball has a set of wrench flats positioned on the hitch ball such that the drive surface is not accessible when a trailer coupler is placed over the hitch ball.

7. The trailer lock assembly of claim 6 further comprising one or more adapters placed within a second recess and having at least two surfaces for engaging a nut.

8. The trailer lock assembly of claim 6 , wherein the lock housing further comprises:

at least two side members and at least one cross-bar member that intersects said side members and contains a hole for receiving the threaded portion of a hitch ball;

a first recess formed by a least two side members and a first surface of at least one cross-bar member, wherein said recess is dimensioned to receive a portion of a vehicle draw bar;

a second recess formed by a least two side members and a second surface of at least one cross-bar member; and

at least two surfaces dimensioned to engage a nut placed on the end of a threaded member of a hitch ball; wherein such engagement prevents the rotation of the nut.

9. The trailer lock assembly of claim 8 further comprising a lock washer, wherein said lock washer is disposed within said second recess.

10. The trailer lock assembly of claim 6 , wherein the threaded member for receiving the threaded portion of the hitch ball is a nut.

11. The trailer lock assembly of claim 6 , wherein the threaded member for receiving the threaded portion of the hitch ball is a threaded member that is integral with the housing.

12. A trailer lock assembly comprising:

(a) a hitch ball having a ball portion, a threaded portion, and at least one drive surface positioned on the hitch ball such that the drive surface is not accessible when a trailer coupler is placed over the hitch ball;

(b) a look housing comprising:

(i) at least two side members and at least one cross-bar member that intersects said side members and has a hole for receiving a threaded member of a hitch ball;

(ii) a first recess formed by a least two side members and a first surface of at least one cross-bar member, wherein said recess is dimensioned to receive a portion of a vehicle draw bar;

(iii) a second recess formed by at least two side members and a second surface of at least one cross-bar member; and

(iv) at least two surfaces dimensioned to engage a nut placed on the end of a threaded member of a hitch ball; wherein such engagement prevents rotation of the nut; and

(c) a lock washer disposed within said second recess of said lock housing; and

(d) a nut disposed between two surfaces of said lock housing.

13. A trailer lock assembly comprising

a hitch ball including a ball portion, base portion, and threaded portion,

a lock housing including a recess, and having at least two surfaces for engaging a first means for securing said hitch ball, and,

one or more adapters that fit within said recess,

wherein said lock housing includes a second means for preventing removal of said first means.