Patent ID: 7338231

Claim:
A hoist comprising: a first vertical frame having a lower portion and an upper portion with two diagonal tubes mounted on said first vertical frame each extending parallel in relation to each other and having one end attached to said lower portion and a second end attached to said upper portions; a second vertical frame having a lower portion and an upper portion with two diagonal tubes mounted on said first vertical frame each extending parallel in relation to each other and having one end attached to said lower portion and a second end attached to said upper portions; one or more cross-tubes connecting said lower portions of said first vertical frame and said second vertical frame; and a platform extending between said first vertical frame and said second vertical frame, wherein each end of said platform positioned adjacent said first and second vertical frames is connected to said first and second diagonal tube of each of said first vertical frame and said second vertical frame, wherein said platform is configured to roll along the length of said first and second diagonal tubes.