Patent ID: 7390006

Claim:
A trailer hitch extension system comprising: a trailer having an elongated forward arm having a front end and a back end, said front end being open; a tubular member having a first end and a second end wherein a trailer hitch is attached to said first end, said second end being positioned in said forward arm, said first end being selectively positionable adjacent to said front end or spaced from said front end; and a driving assembly being mechanically coupled to said tubular member and to said forward arm, said driving assembly being configured to selectively move said tubular member with respect to said forward arm; said driving assembly including; a first gear being rotatably mounted in said tubular member and being positioned adjacent to said first end; a second gear being rotatably mounted in said tubular member and being positioned adjacent to said second end, said first and second gears each having an axis of rotation orientated parallel to each other and perpendicular to a longitudinal axis of said tubular member; a chain extending around and being engaged to said first and second gears, said chain being mechanically coupled to said forward arm such that rotation of said first gear moves said tubular member with respect to said forward arm a plate being attached to said chain and being positioned between said first and second gears; and an elongated rod extending between and being attached to each of said plate and said back end, said plate being positioned adjacent to second gear when said tubular member is in an extended position and positioned adjacent to said first gear when said tubular member is in a retracted position, said chain, plate and rod preventing complete removal of said arm forward from said tubular member.