Patent ID: 9150391
Filing Date: 2015-10-06
Classification: B66D,E02F

Abstract:
1. A hoist system for reeling in and paying out a cable, the hoist system comprising: a drum including a hollow shell, a first end, a second end, and an internal web, the drum defining a longitudinal axis extending between the first end and the second end, the internal web extending across an interior portion of the shell in a direction that is perpendicular to the longitudinal axis, thereby defining a first portion of the shell and a second portion of the shell; a motor positioned proximate the first end of the drum, the motor including an output shaft; a first transmission driven by the motor, the transmission including a first planetary gear train positioned within the interior portion of the shell, the first planetary gear train including an input gear coupled to the motor output shaft and a first output gear coupled to the internal web to rotate the drum about the longitudinal axis, the first planetary gear train being positioned in the first portion of the shell; and a second transmission including a second planetary gear train positioned within the interior portion of the shell, the second planetary gear train including a second output gear coupled to the internal web to rotate the drum about the longitudinal axis, the second planetary gear train being positioned in the second portion of the shell.