Robert C Butterworth, 552670 Lisayne Dr, Hatboro, PA 19040

5570546, Nov 5, 1996

Jul 31, 1995

8/509311

Robert S. Butterworth - Glenmoore PA
David O'Brien - Downingtown PA

American High Mast Systems, Inc. - Downingtown PA

E04H 1234

52111

A system for lowering and raising telecommunications equipment along a mast pole. The system comprises a mast pole, a platform means, a frame means, a plurality of lift cables, a hoisting means and a transition means. The platform means surrounds the external surface of the mast pole and is moveable along the length thereof. The platform means is arranged for mounting of telecommunications equipment thereon. The frame means is attached at the open upper end of the mast pole shaft and comprises pulley means, means for guiding at least one lift cable and means for guiding at least one telecommunications cable, i. e. , signal cable or power cable. Each lift cable has a first end connected to the platform means and extends through the guiding means and through the passageway of the mast pole. The hoisting means is secured to the lower end of the mast pole and is provided for selectively raising and lowering the platform means. The pulley means includes a winch cable having a free end.