Ladder lift apparatus

Details Ladder lift apparatus Ladder lift apparatus

1988-09-09

1990-03-27

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Combined

182102, 182145, 187 2, 187 11, E06C 712

Patent

active

049112660

ABSTRACT:
An improved ladder lifting apparatus usable to lift heavy loads from the ground to a roof surface including a horizontally positioned, hand or shoulder mounted lifting bar or beam with a winch means, fastened to the bar or beam where one end of the lifting bar or beam is fastened and/or connected to the side rails of a vertically positioned ladder or extension ladder, with means to allow movement of the upper end of the ladder toward the roof to deposit the load on the roof or into a window of a multi-story building combined with optional stabilizing features for the ladder to make use of the lift bar at high elevations more safe.

REFERENCES:
patent: 71139 (1867-11-01), Crawford
patent: 235255 (1880-12-01), King
patent: 715747 (1902-12-01), Bock
patent: 921431 (1909-05-01), Miller
patent: 4770273 (1988-09-01), McMakin

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