Portable vertical lift

A portable apparatus for raising and lowering a load vertically along a substantially vertical structure comprising:

• a post including
• a) a first post member;
• and
• b) a second post member, a bottom portion of which is detachably attached to a top portion of the first post member, whereby additional post sections may be disposed between the first and second post members to increase an overall height of the post;
• a carriage movably attached to the post;
• a winch attached to the post;
• a pulley attached to a top portion of the post;
• a cable, a first end of which is wound onto the winch, and a second end of which passes through the pulley and is connected to the carriage, whereby the carriage may be raised and lowered by winding and unwinding the cable onto the winch;
• a platform attached to the carriage for supporting the load;
• a wheel rotatingly attached to a bottom portion of the post;
• a hitch attached to the top portion of the post, whereby the apparatus may be transported;
• and
• a retainer for securing the post to the substantially vertical structure wherein the retainer comprises:
• a lower binder comprising:
• a) a frame having two branches adapted for fastening a variable length of chain therebetween and a base attached to the first post member;
• and
• b) a spacer having an adjustable position located in each of the two branches of the frame, one end of each spacer adapted for contacting the substantially vertical structure;
• and
• an upper binder comprising:
• a) a frame having two branches adapted for fastening a variable length of chain therebetween and an adjustable length base swivelly attached to the hitch;
• and
• b) a spacer having an adjustable position located in each of the two branches of the frame, one end of each spacer adapted for contacting the substantially vertical structure.