Patent ID: 6478171
Filing Date: 2002-11-12
Classification: B66C,B66D

Abstract:
A transportable hoist adapted to be removeably coupled to an elevated structure; comprising:a drive system including a mounting member, a drive motor and a roller connected to said drive motor and driven by said drive motor in a forward direction or reverse direction, said mounting member generally housing said roller; a battery connected to said drive system to power rotation of said roller, said battery adapted to travel with said drive system, such that, said hoist is self propelled; an elongate flexible member having a first portion and a second portion, said elongate flexible member engaging said roller to travel said drive system in said forward direction and said reverse direction along said elongate flexible member from said first portion to said second portion; and, wherein said first portion of said elongate flexible member is adapted to connect to said elevated structure and said drive system of said hoist is operable to climb up to said elevated structure by traveling from said second portion to said first portion, and wherein said mounting member of said drive system is adapted to then removeably couple to said elevated structure and said first portion is then releasable from said elevated structure, such that, at least a portion of said first portion is on one side of said roller and at least a portion of said second portion is on a generally opposite side of said roller, and each of said first portion and said second portion are adapted to and may connect to separate load materials for hoisting in ascending and descending directions.