Patent ID: 8029413

Claim:
A wheel assembly for attachment to a trampoline leg to enable a trampoline to be rolled on a surface, comprising: i) an attachment element having means for removably securing said wheel assembly to a trampoline leg; ii) an elongated hollow tubular element mounted on said attachment element whereby said hollow tubular element is adapted to be removably attached to said trampoline leg wherein the lengthwise axis of said hollow tubular element is parallel to said trampoline leg, said hollow tubular element comprising a slot extending along the lengthwise axis thereof, the lower end of said slot comprising an upwardly extending portion; iii) an elongated leg element located coaxially within said hollow tubular element and movable in an axial direction within said hollow tubular element and rotatable about the lengthwise axis of said hollow tubular element; iv) a pin element secured to and extending radially from said leg element into said slot in said hollow tubular element; iv) handle means attached to said elongated leg element for moving said leg element in an axial direction within said hollow tubular element and rotating said leg element about the lengthwise axis of said hollow tubular element; v) an axle-mounted wheel pivotally connected at the lower end of said leg element; whereby said leg element, when attached to said trampoline leg, is movable from a first position wherein said wheel is raised relative to said attachment element and said trampoline leg rests on said surface, to a second position wherein said pin element is held in said lower upwardly turned end of said slot and said wheel is lowered relative to said attachment element into engagement with said surface and said trampoline leg is raised off said surface.