Patent ID: 7546902
Filing Date: 2009-06-16
Classification: B66B

Abstract:
1. A personnel lift apparatus for raising or lowering a standing person between two or more elevations comprising: two elongated upright substantially parallel distally spaced rails, each rail having a track along length of the rail, a top end of the rails secured to an elevated platform member, the rail providing a supportive and retentive guide track for a movable load bearing platform; the movable load bearing lift platform for raising or lowering a person in a standing position on the personnel lift apparatus, the movable lift platform comprising: a pair of roller bracket assemblies, each roller bracket assembly comprising: a pair of elongated threaded bolts, each bolt received into the bolt holes of the flange, each bolt having a threaded portion extending outwards beyond the top face of the roller bracket, extending outwards beyond the front face of the rail and extending through the holes of the flanges and secured to the flanges, wherein the moveable load bearing platform is rollably, supportively and moveably secured to the rails by the roller bracket assemblies, wherein the load bearing platform is free to move along and guided by the track of the rails; an electrically motor driven means of raising and lowering the movable platform, the motor driven means comprising: at least one substantially upright hand hold bar having a lower portion secured to one flange of the lift platform, the hand hold for providing hand support to a person riding the lift platform; an electrical drive motor control means, the control means operable by the hand of the person riding the lift platform, the control means having raise, lower and stop positions for commanding rotation of the motor driven means; and a power supply means for providing electric power to operate the motor drive means, said power supply means electrically connected to said control means and motor.