Patent ID: 9297159
Filing Date: 2016-03-29
CPC Classification: E04B,E04C,E04H,G05B

Claim Text:
1. A system for locking horizontal truss members at a vertical position along an upright truss tower comprising: a length of truss tower and a mounting section attached to the top of the truss tower, configured in the same shape and dimensional size of the tower; a rolling or sliding sleeve for attachment of horizontal sections of truss arrayed about a centroid of the sleeve; a hoisting system, consisting of a powered hoist to raise a sleeve block from a working height to a high trim position; a power actuated locking mechanism, attached to the inside of the mounting section, having extendable locking forks; and a control system with a power section, logic control section, and human interface; wherein the locking mechanism, upon activation, extends the locking forks out of the mounting section to lock the sleeve in a vertical position.