초록 ▼

A pair of integrated ramps attach to the rear of a trailer or utility cargo bed, the ramps swinging on a horizontal plane from a stored position and then being rotated to form a pair or flat ramps surfaces in a flat position, the ramps sliding along the rear end of a trailer on a secure end railing.

A pair of integrated ramps attach to the rear of a trailer or utility cargo bed, the ramps swinging on a horizontal plane from a stored position and then being rotated to form a pair or flat ramps surfaces in a flat position, the ramps sliding along the rear end of a trailer on a secure end railing. The sliding railing provides adjustment to the width of the ramps for the purpose of off loading cargo carried upon the cargo surface of the trailer, the ramps forming a stable angled surface between the cargo bed and the ground. The ramps may form a tailgate in a stored position or be made part of the side rails for the trailer in the stored position.

대표청구항 ▼

1. A swinging cargo ramp assembly integrated within a rear end of a cargo bed of a trailer or vehicle providing a pair of pivotally attached adjustable cargo ramps independently movable from a stored side panel position to an angled ramp position at said rear end of said cargo bed, said swinging car

1. A swinging cargo ramp assembly integrated within a rear end of a cargo bed of a trailer or vehicle providing a pair of pivotally attached adjustable cargo ramps independently movable from a stored side panel position to an angled ramp position at said rear end of said cargo bed, said swinging cargo ramp assembly having two independent sets of component segments, each said component set comprising: a rear trailer tab base defining an upper surface and a tab edge horizontally secured to a rear side frame of said cargo bed,a static vertical support member defining a cylindrical vertical shaft having a lower end secured to said upper surface of said tab base and an upper end, and an upper shaft cap,a horizontal pivot member defining an upright cylindrical collar with a vertical bore pivotally installing upon said vertical shaft of said vertical support member, said upright cylindrical collar further defining an outer surface from which a first end of a cylindrical lateral pivot extension depends, said lateral pivot extension having an end cap,a vertical pivot member defining a cylindrical extension collar with a horizontal bore pivotally engaging said lateral pivot extension of said horizontal pivot member between said end cap and said upright cylindrical collar, said extension collar further defining an outer surface to which a lower end of a cylindrical ramp shaft extension is attached, said ramp shaft extension terminating an upper end, a rear axial slide rail member providing a base section attached to said rear end of said cargo bed below a floor of said cargo bed and an upright flange, anda ramp section providing a rigid angled platform with static support during loading and unloading from said cargo bed, said ramp section defining an upper ramp surface, a distal end and a proximal end further defining a cylindrical ramp collar having an outer surface and a ramp collar bore, said ramp collar bore slidably and pivotally installed upon said ramp shaft extension of said vertical pivot member, said ramp collar attaching a ramp extension base of a linear ramp extension, said ramp extension further forming a ramp slide rail claw which will engage said upright flange of said axial slide rail member when said ramps are placed into said angled ramp position behind said cargo bed. 2. The swinging cargo ramp assembly as disclosed in claim 1, further comprising: said vertical shaft of vertical support member defining an upper end having an upper bearing and a lower end having a lower bearing between which said upright cylindrical collar of said horizontal pivot member is rotatably captured; andsaid lateral pivot extension having a second end providing an extension bearing which captures said cylindrical extension collar of said vertical pivot member between said extension bearing and said outer surface of said upright cylindrical collar. 3. The swinging cargo ramp assembly as disclosed in claim 1, further comprising: said vertical shaft of vertical support member defining an upper end having an upper bearing and a lower end having a lower bearing between which said upright cylindrical collar of said horizontal pivot member is rotatably captured; andsaid lateral pivot extension having a second end providing an extension bearing which captures said cylindrical extension collar of said vertical pivot member between said extension bearing and said outer surface of said upright cylindrical collar, wherein a restricted engagement is provided between said respective collars and shafts or respective collar and cylindrical extension allowing only rotational movement without linear sliding with the sole exception to the linear movement restriction being a sliding linear movement capability between said ramp shaft extension and said ramp collar. 4. The swinging cargo ramp assembly as disclosed in claim 1, further comprising a pair of side panel L-shaped brackets attaching to a respective side frame of said cargo bed to independently retain each respective ramp section in said side panel position during transport or non-use of said ramp sections as ramps. 5. The swinging cargo ramp assembly as disclosed in claim 1, further comprising a pair of side panel L-shaped brackets, each said L-shaped bracket defining a base section, with a vertical section presenting an upright extension from said base section, said vertical section including a lock aperture securing said ramps in place during transportation in said side panel position and also to providing a means to prevent theft of said ramps while said swinging cargo ramp assembly is left unattended. 6. The swinging cargo ramp assembly as disclosed in claim 1, each said ramp section further comprising at least two parallel ramp struts supported by a plurality of ramp cross-support members. 7. A swinging cargo ramp assembly integrated within a rear end of a cargo bed of a trailer or vehicle providing a pair of pivotally attached adjustable cargo ramps independently movable from a stored side panel position to an angled ramp position at said rear end of said cargo bed, said swinging cargo ramp assembly providing two independent sets of component segments, each said component segment comprising: a rear trailer tab base defining an upper surface and a tab edge horizontally secured to said rear side frame of said cargo bed,a static vertical support member defining a cylindrical vertical shaft having a lower end secured to said upper surface of said tab base and an upper end, said lower end providing a lower shaft bearing, said upper end providing an upper shaft bearing, and an upper shaft cap,a horizontal pivot member defining an upright cylindrical collar with a vertical bore pivotally installing upon said vertical shaft of said vertical support member between said upper shaft bearing and said lower shaft bearing, said upright cylindrical collar further defining an outer surface from which a first end of a cylindrical lateral pivot extension depends, said lateral pivot extension having a second end providing an extension bearing and an end cap,a vertical pivot member defining a cylindrical extension collar with a horizontal bore pivotally engaging said lateral pivot extension of said horizontal pivot member between said extension bearing and said upright cylindrical collar, said extension collar further defining an outer surface to which a lower end of a cylindrical ramp shaft extension is attached, said ramp shaft extension terminating at an upper end,a rear axial slide rail member providing a base section attached to said rear end of said cargo bed below a floor of said cargo bed and an upright flange, anda ramp section providing a rigid angled platform defining at least two parallel ramp struts supported by a plurality of ramp cross-support members, a distal end and a proximal end forming a cylindrical ramp collar having an outer surface and a ramp collar bore, said ramp collar bore slidably and pivotally installed upon said ramp shaft extension of said vertical pivot member, said ramp collar attaching a ramp extension base of a linear ramp extension, said ramp extension further forming a ramp slide rail claw which will engage said upright flange of said axial slide rail member when said ramps are placed into said angled ramp position behind said cargo bed. 8. The swinging cargo ramp assembly as disclosed in claim 7, wherein a restrict engagement is provided between said respective collars and shafts or respective collar and cylindrical extension allowing only rotational movement without linear sliding with sole exception to linear movement restriction being a sliding linear movement capability between said ramp shaft extension and said ramp collar. 9. The swinging cargo ramp assembly as disclosed in claim 7, further comprising a pair of side panel L-shaped brackets attaching to a respective side frame of said cargo bed to independently retain each respective ramp section in said side panel position during transport or non-use of said ramp sections as ramps. 10. The swinging cargo ramp assembly as disclosed in claim 7, further comprising a pair of side panel L-shaped brackets, each said L-shaped bracket defining a base section, with a vertical section presenting an upright extension from said base section, said vertical section including a lock aperture securing said ramps in place during transportation in said side panel position and also to providing a means to prevent theft of said ramps while said swinging cargo ramp assembly is left unattended.