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A device for guiding a boat onto a trailer, the trailer having at least two longitudinal side rails, the device including a mounting assembly for attachment to a side rail to provide for transverse adjustment relative to the side rail's longitudinal axis and a bumper assembly attached to the mountin

A device for guiding a boat onto a trailer, the trailer having at least two longitudinal side rails, the device including a mounting assembly for attachment to a side rail to provide for transverse adjustment relative to the side rail's longitudinal axis and a bumper assembly attached to the mounting assembly and having at least one bumper mechanism that moves between an engaged position in which the device guides the boat into an aligned position on the trailer and a disengaged position in which the bumper mechanism is moved away from the boat to avoid contact with the boat.

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1. A device for guiding a boat onto a trailer, the trailer having at least two longitudinal side rails, the device comprising: a mounting assembly structured to attach one of the at least two side rails and configured to provide transverse adjustment of the mounting assembly relative to the side rai

1. A device for guiding a boat onto a trailer, the trailer having at least two longitudinal side rails, the device comprising: a mounting assembly structured to attach one of the at least two side rails and configured to provide transverse adjustment of the mounting assembly relative to the side rail's longitudinal axis; anda bumper assembly attachable to the mounting assembly and having at least one bumper mechanism configured to move between an engaged position, in which the device is structured to guide the boat into an aligned position on the trailer, and a disengaged position, in which the bumper mechanism is structured to be moved away from the boat, the at least one bumper mechanism comprising at least one roller mounted on a slideable bracket, the bumper mechanism structured to move horizontally for transverse movement relative to the side rail's longitudinal axis between the engaged and disengaged positions. 2. The device of claim 1 wherein the bumper mechanism comprises at least one shock absorbing member mounted on the movable bracket. 3. The device of claim 1 wherein the bumper mechanism rotates about a vertical axis. 4. A device for guiding a boat onto a trailer, the trailer having at least two longitudinal side rails, the device comprising: a mounting assembly structured to attach one of the at least two side rails and configured to provide transverse adjustment of the mounting assembly relative to the side rail's longitudinal axis; anda bumper assembly attachable to the mounting assembly and having at least one bumper mechanism configured to move between an engaged position, in which the device is structured to guide the boat into an aligned position on the trailer, and a disengaged position, in which the bumper mechanism is structured to be moved away from the boat wherein the bumper mechanism rotates about a vertical axis and comprises a bumper tube slideably mounted over a vertical post and adapted to rotate about the post between the engaged and disengaged positions. 5. The device of claim 4 wherein the bumper mechanism comprises at least one roller mounted on a bracket that in turn is rotatably mounted on a vertical post to rotate the at least one roller bumper between the engaged and disengaged positions. 6. A device for guiding a boat onto a trailer, the trailer having at least two longitudinal side rails, the device comprising: a mounting assembly structured to attach one of the at least two side rails and configured to provide transverse adjustment of the mounting assembly relative to the side rail's longitudinal axis; anda bumper assembly attachable to the mounting assembly and having at least one bumper mechanism configured to move between an engaged position, in which the device is structured to guide the boat into an aligned position on the trailer, and a disengaged position, in which the bumper mechanism is structured to be moved away from the boat wherein the bumper mechanism rotates about a vertical axis and comprises a bumper having one end mounted for pivotal movement of a second end between the engaged and disengaged positions. 7. A device for guiding a boat onto a trailer, the trailer having at least two longitudinal side rails, the device comprising: a mounting assembly structured to attach one of the at least two side rails and configured to provide transverse adjustment of the mounting assembly relative to the side rail's longitudinal axis; anda bumper assembly attachable to the mounting assembly and having at least one bumper mechanism configured to move between an engaged position, in which the device is structured to guide the boat into an aligned position on the trailer, and a disengaged position, in which the bumper mechanism is structured to be moved away from the boat wherein the bumper mechanism rotates about a vertical axis and comprises a rail mounted to translate longitudinally and to simultaneously move horizontally between the engage and disengaged positions. 8. A boat centering device for a trailer, comprising: a lever arm having a first end and a second end, the lever arm structured to be mounted on a mount on the trailer to rotate about an axis substantially parallel to the longitudinal axis of the trailer;a contact member mounted on the first end of the lever arm and structured to be contacted by the boat;an outrigger mounted on the second end of the lever arm, the outrigger structured to urge the boat towards the longitudinal axis of the trailer when the contact member is in contact with the boat and to not contact the boat when the boat is centered on the trailer; anda biasing member structured to rotate the lever arm in a direction that will move the contact member upward when the contact member is not in contact with the boat hull. 9. The device of claim 8 wherein the biasing member includes a torsion spring. 10. The device of claim 8 wherein the contact member comprises a support post having a first end adapted for attachment to the first end of the lever arm, and a second end adapted for attachment to a bumper, the bumper mounted at an angle on the support post. 11. The device of claim 10 wherein the support post is adjustable in length. 12. A boat centering device for a trailer, comprising: a lever arm having a first end and a second end, the lever arm structured to be mounted on a mount on the trailer to rotate about an axis substantially parallel to the longitudinal axis of the trailer;a contact member mounted on the first end of the lever arm and configured to be contacted by the boat; andan outrigger mounted on the second end of the lever arm, the outrigger structured to urge the boat towards the longitudinal axis of the trailer when the contact member is in contact with the boat and to not contact the boat when the boat is centered on the trailer wherein a length between the mount and the first end of the lever arm comprises a first length and a length between the second end of the lever arm and the mount comprises a second length, the first length is greater than the second length. 13. The device of claim 12 wherein the first length is adjustable and the second length is adjustable. 14. A boat centering device for a trailer, comprising: a lever arm having a first end and a second end, the lever arm structured to be mounted on a mount on the trailer to rotate about an axis substantially parallel to the longitudinal axis of the trailer;a contact member mounted on the first end of the lever arm and configured to be contacted by the boat; andan outrigger mounted on the second end of the lever arm, the outrigger structured to urge the boat towards the longitudinal axis of the trailer when the contact member is in contact with the boat and to not contact the boat when the boat is centered on the trailer wherein the outrigger includes a bumper having a first side adapted for attachment to the outrigger and a second side adapted for contact with the boat. 15. The device of claim 14 wherein the bumper comprises at least one wedge adapted to expand and contract in size. 16. A boat centering assembly for a trailer, comprising: at least two independent lever arms, each lever arm having a first end and a second end, the lever arms adapted to rotate in a plane that is substantially perpendicular to the longitudinal axis of the trailer;at least two bearing members on the first end of each lever arm and configured to rotate the lever arm when contacted by the boat hull;at least two outriggers mounted on the second end of each lever arm and configured to urge the boat towards the center of the trailer when each lever arm rotates in a first direction; anda respective biasing member associated with each lever arm that biases each lever arm to rotate in a second direction such that the outrigger does not contact the boat hull when the boat is centered on the trailer. 17. The assembly of claim 16 wherein the biasing member includes a torsion spring. 18. The assembly of claim 16 wherein the at least two bearing members include a support post having a first end adapted for attachment to the first end of the lever arm, and a second end adapted for attachment to a bumper, the bumper mounted at an angle on the support post. 19. A boat centering assembly for a trailer, comprising: means for rotating about an axis substantially parallel to the longitudinal axis of the trailer;means for contacting the boat, the contacting means mounted on the rotating means;means for urging the boat towards the longitudinal axis of the trailer when the contacting means is in contact with the boat and to not contact the boat when the boat is centered on the trailer, the urging means mounted on the rotating means; andfurther comprising means for biasing the urging means in a direction that will move the contacting means upwards when the contacting means is not in contact with the boat. 20. The assembly of claim 19 wherein the biasing means comprises a torsion spring. 21. The assembly of claim 19 wherein the contacting means comprises a support post having a first end adapted for attachment to the first end of the lever arm, and a second end adapted for attachment to a bumper, the bumper mounted at an angle on the support post. 22. A boat trailer, the trailer having a frame, at least one cross member, at least one bunk mounted to the at least one cross member, at least one axle, a plurality of wheels attached to the at least one axle, a hitch assembly attached to the frame, the improvement comprising: at least two lever arms, each lever arm having a first end and a second end, the lever arms adapted to rotate in a plane that is substantially perpendicular to the longitudinal axis of the trailer;at least one bearing member on the first end of each lever arm and configured to rotate the lever arm when contacted by the boat hull;at least one outrigger mounted on the second end of each lever arm and configured to urge the boat towards the center of the trailer when each lever arm rotates in a first direction; anda respective biasing member associated with each lever arm that biases each lever arm to rotate in a second direction to move the outrigger away from the boat hull when the boat is centered on the trailer.