Detachable truck bed extension and loading ramp

Claim 2

A detachable truck bed extension and loading ramp useful with a truck having a bed, comprising a lower portion, a hinge means connecting said lower portion to an upper portion, a mounting means for connecting said upper portion to the rear of said truck such that a top end portion of said upper portion is flush with said truck bed, carrying means for transporting said loading ramp and truck bed extension into position for mounting, a base plate effective as a truck bed extension resting upon said lower sections in a transportation position, said lower portion comprising first and second right triangular shaped lower sections and said upper portion comprising first and second right triangular shaped upper sections, and said mounting means comprising lower weight bearing grooves for receiving groove pipes and upper nut supports with mounting nuts attached thereon for receiving mounting bolts.

Claim 3

A detachable truck bed extension and loading ramp useful with a truck having a bed, comprising a lower portion, a hinge means connecting said lower portion to an upper portion, a mounting means for connecting said upper portion to the rear of said truck such that a top end portion of said upper portion is flush with said truck bed, carrying means for transporting said loading ramp and truck bed extension into position for mounting, a base plate effective as a truck bed extension resting upon said lower sections in a transportation position, said lower portion comprising first and second right triangular shaped lower sections and said upper portion comprising first and second right triangular shaped upper sections, and said mounting means comprising lower weight bearing means on said truck for disengageably receiving a support member on said upper portion, and fixed mounting means on said upper portion above said weight bearing means.

Claim 4

A detachable truck bed extension and loading ramp useful with a truck having a bed, comprising a lower portion, a hinge means connecting said lower portion to an upper portion, a mounting means for connecting said upper portion to the rear of said truck such that a top end portion of said upper portion is flush with said truck bed, carrying means for transporting said loading ramp and truck bed extension into position for mounting, a base plate effective as a truck bed extension resting upon said lower sections in a transportation position, said lower portion comprising first and second right triangular shaped lower sections and said upper portion comprising first and second right triangular shaped upper sections, and said mounting means comprising lower weight bearing means on said truck for disengageably receiving a support member on said upper portion, and fixed mounting means on said upper portion above said weight bearing means.

Claim 5

A detachable truck bed extension and loading ramp as claimed in claim 2, wherein each of said lower sections comprises: (a) two lower base pieces, two lower, vertically extending end supports at the ends of and in perpendicular relation to said lower base pieces, two upwardly extending middle supports at the intermediate portion of and in perpendicular relation to said lower base pieces, two parallel lower panel supports, the front ends of which are joined with the front ends of said lower base pieces and extending obliquely upward and rearward to junctions with said middle supports at the approximate lengthwise center of said lower panel supports and junctions with said lower end supports at the approximate rear ends of said lower panel supports, and removable lower ramp panels between said lower panel supports of each lower section; and (b) wherein each of said upper sections comprises two upper base pieces, two upper end supports connected to and extending vertically from rear ends of said upper base pieces, two upper panel supports connected to fronts of said upper base pieces and extending obliquely upward and rearward to a junction with said upper end pieces, and upper panels between said upper panel supports.

Claim 6

A detachable truck bed extension and loading ramp as claimed in claim 2, wherein said resting base plate is fixedly attached to said lower sections.

Claim 7

A loading ramp for trucks comprising two spaced-apart upper ramp members, means for attaching said upper ramp members to a truck, two spaced-apart lower ramp members, hinge means connecting the upper and lower ramp members, said lower ramp members pivotable around the hinge means from a loading position with portions of the lower ramp members forming a ramp extension from an end of the upper ramp members to a transport position atop said upper ramp members with second portions of the lower ramp members positioned to form a horizontal extension of a bed of a truck to which the ramp members are attached, a removable lower ramp panel having L-shaped lower panel supports spaced apart by cross-pieces, flanges of said lower panel supports resting upon said lower ramp member, and means for interlocking said lower ramp panel to said lower ramp member.

Claim 8

A loading ramp for trucks comprising two spaced-apart upper ramp members, means for attaching said upper ramp members to a truck, two spaced-apart lower ramp members, hinge means connecting the upper and lower ramp members, said lower ramp members pivotable around the hinge means from a loading position with portions of the lower ramp members forming a ramp extension from an end of the upper ramp members to a transport position atop said upper ramp members with second portions of the lower ramp members positioned to form a horizontal extension of a bed of a truck to which the ramp members are attached, a removable lower ramp panel having L-shaped lower panel supports spaced apart by cross-pieces, flanges of said lower panel supports resting upon said lower ramp member, and means for interlocking said lower ramp panel to said lower ramp member.

Claim 9

A detachable truck bed extension and loading ramp useful with a truck having a bed comprising in combination: (a) first and second lower sections each having two spaced apart, parallel lower base pieces, two lower end supports located at a rear end of said lower base pieces and in perpendicular relation thereto, two middle supports located intermediate a front and said rear end of each of said lower base pieces and in perpendicular relation thereto, two spaced apart and parallel lower panel supports, a front edge of each being joined with said front of each of said lower base pieces, said lower panel supports extending obliquely upward and rearward to an approximate middle position wherein said panel supports join with a top of said middle supports and further rearward and upward where said lower panel supports join with upper ends of said lower end supports, a removable lower panel having support arms attached to a bottom of said lower panel and adapted to rest on L-brackets having end portions attached to said lower panel supports and extending therebetween; (b) first and second upper sections each having two parallel upper base supports, two upper end supports in perpendicular relationship to and at a rear end of said upper base supports, two upper panel supports front edges of which are joined with front edges of said upper base supports and a rear end portion of said upper panel supports being joined with said upper end supports, wherein said upper panel supports extend upward and rearward obliquely, each of said base supports having inner and outer base members, each of said upper end supports having inner and outer end members, each of said upper panel supports having inner and outer panel support members, and an upper panel located between said inner panel support members; (c) hinging means attaching said lower section to said upper section having a hinge tube attached to said upper section, a hinge rod of longer length than said hinge tube, said hinge rod of slightly smaller diameter than the inner diameter of said hinge tube and fitting within the interior of said hinge tube, and pipe stubs attached to said lower section on either side of said hinge rod and receiving the longer length of said hinge rod; (d) mounting means having a rectangular elongated groove support with four groove plates attached thereto, said groove plates having a groove for receiving each of four middle sections of four groove pipes which are mounted on the lower ends and between each of said outer and inner end members, a middle section of said groove pipe being received in each of said grooves, two nut supports mounted below a truck bed having a mounting nut welded in aligning relationship with a hole in said bolt support, two mount supports located on inner end members of each of said upper sections, said mount supports each having a slot for receiving a mounting bolt, and each mounting bolt engaging each mounting nut to firmly secure the upper sections to a truck; and (e) carrying means having a first eye hook attached to a cross support on each of said bottom sections and a second eye hook mounted on a main cross support joining said two upper sections.

Claim 10

A detachable truck bed extension and loading ramp useful with a truck having a bed comprising in combination: (a) first and second lower sections each having two spaced apart, parallel lower base pieces, two lower end supports located at a rear end of said lower base pieces and in perpendicular relation thereto, two middle supports located intermediate a front and said rear end of each of said lower base pieces and in perpendicular relation thereto, two spaced apart and parallel lower panel supports, a front edge of each being joined with said front of each of said lower base pieces, said lower panel supports extending obliquely upward and rearward to an approximate middle position wherein said panel supports join with a top of said middle supports and further rearward and upward where said lower panel supports join with upper ends of said lower end supports, a removable lower panel having support arms attached to a bottom of said lower panel and adapted to rest on L-brackets having end portions attached to said lower panel supports and extending therebetween; (b) first and second upper sections each having two parallel upper base supports, two upper end supports in perpendicular relationship to and at a rear end of said upper base supports, two upper panel supports front edges of which are joined with front edges of said upper base supports and a rear end portion of said upper panel supports being joined with said upper end supports, wherein said upper panel supports extend upward and rearward obliquely, each of said base supports having inner and outer base members, each of said upper end supports having inner and outer end members, each of said upper panel supports having inner and outer panel support members, and an upper panel located between said inner panel support members; (c) hinging means attaching said lower section to said upper section having a hinge tube attached to said upper section, a hinge rod of longer length than said hinge tube, said hinge rod of slightly smaller diameter than the inner diameter of said hinge tube and fitting within the interior of said hinge tube, and pipe stubs attached to said lower section on either side of said hinge rod and receiving the longer length of said hinge rod; (d) mounting means having a rectangular elongated groove support with four groove plates attached thereto, said groove plates having a groove for receiving each of four middle sections of four groove pipes which are mounted on the lower ends and between each of said outer and inner end members, a middle section of said groove pipe being received in each of said grooves, two nut supports mounted below a truck bed having a mounting nut welded in aligning relationship with a hole in said bolt support, two mount supports located on inner end members of each of said upper sections, said mount supports each having a slot for receiving a mounting bolt, and each mounting bolt engaging each mounting nut to firmly secure the upper sections to a truck; and (e) carrying means having a first eye hook attached to a cross support on each of said bottom sections and a second eye hook mounted on a main cross support joining said two upper sections.