Load handling assembly

Details Load handling assembly Load handling assembly

2000-03-03

2001-02-20

Walsh, Donald P. (Department: 3619)

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

C254S338000, C212S176000, C212S245000, C212S252000

Reexamination Certificate

active

06189866

ABSTRACT:

TECHNICAL FIELD
The present invention relates to load handling assemblies and more particularly to a load handling assembly that is attachable to a receiver of a receiver hitch assembly of a vehicle that includes a receiver hitch insertable foot assembly, an upright leg assembly, a head assembly, and a winch assembly; the foot assembly including an elongated foot member having a first foot end sized and shaped to fit into the receiver of a receiver hitch assembly and that is provided with a pair of coaxially aligned securing pin apertures that are positioned on the first foot end such that they are alignable with receiver pin apertures formed through the receiver of the receiver hitch when the first end is inserted into the receiver, and a second foot end having a cylinder shaped, upright-connecting axle extending perpendicularly from a sidewall thereof; the upright leg assembly having a leg member including a tubular shaped first leg end having an axle receiving cavity provided therein sized and shaped to receive therein the cylinder shaped, upright-connecting axle such that the upright leg assembly is held in a perpendicular relationship to the foot member and constrained to rotate about cylinder shaped, upright-connecting axle, a leg assembly winch connecting bracket adapted for connection with the winch assembly and a second leg end adapted for connection with the head assembly; the head assembly including a head assembly leg connection structure adapted for connection with the second end of the leg member, a head assembly winch connecting bracket in connection with the head assembly leg connecting structure and adapted for connection with the winch assembly, a tubular, cable guide arm in rigid connection with the head assembly leg connection structure having cable guide passageway provided therethrough between a winch side end of the guide arm and an attachment hook side end of the guide arm, a winch side pulley rotatably installed partially within the cable guide passageway and extending partially past the winch side end of the guide arm, and an attachment hook side pulley rotatably installed partially within the cable guide passageway and extending partially past the attachment hook side end of the guide arm; the winch assembly including a winch mounting structure that is securable to the leg assembly winch connecting bracket and the head assembly winch connecting bracket and a winch in connection with the winch mounting structure having a winch reel having a first cable end of a length of cable wound thereon; the length of cable having a second cable end that is threaded over the winch side pulley, through the cable guide passageway over the attachment hook side pulley and in connection with an attachment hook.
BACKGROUND ART
It is often necessary to carry heavy loads, such as 55 gallon drums, in the bed of a pickup truck. Although pickup trucks easily carry such loads, it is often difficult to lift such heavy loads onto the bed of the pickup truck when a fork lift is unavailable. It would be a benefit, therefore, to have a load handling assembly that could be attached to the receiver of a receiver hitch assembly of the pickup truck that included a winch assembly in connection with a rotatable support structure to allow the heavy load to be lifted to the level of the pickup truck bed and then rotated into position over the pickup truck bed prior to lowering. Because the user could desire to station himself on the ground or on the bed of the pickup truck, it would be a further benefit to have such a load handling assembly that included two separate winch mounting brackets so that the winch could be safely mounted to accommodate operation by a user positioned at either location.
GENERAL SUMMARY DISCUSSION OF INVENTION
It is thus an object of the invention to provide a load handling assembly that includes a receiver hitch insertable foot assembly, an upright leg assembly, a head assembly, and a winch assembly; the foot assembly including an elongated foot member having a first foot end sized and shaped to fit into the receiver of a receiver hitch assembly and that is provided with a pair of coaxially aligned securing pin apertures that are positioned on the first foot end such that they are alignable with receiver pin apertures formed through the receiver of the receiver hitch when the first end is inserted into the receiver, and a second foot end having a cylinder shaped, upright-connecting axle extending perpendicularly from a sidewall thereof; the upright leg assembly having a leg member including a tubular shaped first leg end having an axle receiving cavity provided therein sized and shaped to receive therein the cylinder shaped, upright-connecting axle such that the upright leg assembly is held in a perpendicular relationship to the foot member and constrained to rotate about cylinder shaped, upright-connecting axle, a leg assembly winch connecting bracket adapted for connection with the winch assembly and a second leg end adapted for connection with -the head assembly; the head assembly including a head assembly leg connection structure adapted for connection with the second end of the leg member, a head assembly winch connecting bracket in connection with the head assembly leg connecting structure and adapted for connection with the winch assembly, a tubular, cable guide arm in rigid connection with the head assembly leg connection structure having cable guide passageway provided therethrough between a winch side end of the guide arm and an attachment hook side end of the guide arm, a winch side pulley rotatably installed partially within the cable guide passageway and extending partially past the winch side end of the guide arm, and an attachment hook side pulley rotatably installed partially within the cable guide passageway and extending partially past the attachment hook side end of the guide arm; the winch assembly including a, winch mounting structure that is securable to the leg assembly winch connecting bracket and the head assembly winch connecting bracket and a winch in connection with the winch mounting structure having a winch reel having a first cable end of a length of cable wound thereon; the length of cable having a second cable end that is threaded over the winch side pulley, through the cable guide passageway over the attachment hook side pulley and in connection with an attachment hook.
Accordingly, a load handling assembly is provided. The load handling assembly includes a receiver hitch insertable foot assembly, an upright leg assembly, a head assembly, and a winch assembly; the foot assembly including an elongated foot member having a first foot end sized and shaped to fit into the receiver of a receiver hitch assembly and that is provided with a pair of coaxially aligned securing pin apertures that are positioned on the first foot end such that they are alignable with receiver pin apertures formed through the receiver of the receiver hitch when the first end is inserted into the receiver, and a second foot end having a cylinder shaped, upright-connecting axle extending perpendicularly from a sidewall thereof; the upright leg assembly having a leg member including a tubular shaped first leg end having an axle receiving cavity provided therein sized and shaped to receive therein the cylinder shaped, upright-connecting axle such that the upright leg assembly is held in a perpendicular relationship to the foot member and constrained to rotate about cylinder shaped, upright-connecting axle, a leg assembly winch connecting bracket adapted for connection with the winch assembly and a second leg end adapted for connection with the head assembly; the head assembly including a head assembly leg connection structure adapted for connection with the second end of the leg member, a head assembly winch connecting bracket in connection with the head assembly leg connecting structure and adapted for connection with the winch assembly, a tubular, cable guide arm in rigid connection with the head assembly leg connection structure having cable guide passageway

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