Patent ID: 7950626

Claim:
A hoist system comprising: a frame comprising a top horizontal member having two support beam assemblies individually connected by a hinge, where the hinge is configured to fold up for storage or lock into position, two leg members each having a support base, an extendable central support and a folding support arm connected to the extendable central support at one end and to one of the two support beam assemblies at the other end, and a saddle for attaching a lifting mechanism; and a sheath assembly comprising: a hinge locking mechanism for retaining said hinge in the locked position having an inner aperture larger than said top horizontal member to slide over the hinge, wherein when the hinge is in the locked position the hinge locking mechanism surrounds the two support beam assemblies and the hinge preventing the hinge from folding into the storage position, said hinge locking mechanism comprising; a male sheath coupled to one of said two support beam assemblies with said male sheath having at least one locking pin hole; and a female sheath coupled to one of said two support beam assemblies with said female sheath having at least one locking pin hole and an internal surface configured to receive said male sheath, where sliding said male sheath into said female sheath prevents movement the hinge connecting the two support beam assemblies.