Patent ID: 6857508

Claim:
An apparatus for installing am elevator hoist machine to a machine support affixed at an upper end of a vertically extending guide rail within an elevator hoistway, comprising: a carriage for supporting and conveying the hoist machine said carriage being shaped to superpose the hoist machine over the machine support; a frame supporting said carriage and being vertically movable along the guide rail, said frame including guide means extending generally horizontally outwardly into the elevator hoistway and terminating in spaced relation from the guide rail, wherein said carriage is selectively horizontally movable on said guide means; and an attachment means connected to said frame for attaching said frame to a hoist for imparting selective vertical movement of said frame and said carriage along the guide rail to deliver the hoist machine to a position of use whereby said carriage can be moved horizontally to superpose the hoist machine over the machine support and said frame and said carriage can be lowered to position the hoist machine on the machine support.