Patent ID: 9650231
Date: 2017-05-16
CPC Classifications: B66C

Claim:
1. A control system for a hoist having a load handling member controlled by a closing motor and a holding motor, the control system comprising: a two-axis master switch configured to generate a first command signal responsive to motion of the master switch in a first axis and to generate a second command signal responsive to motion of the master switch in a second axis; a first motor controller configured to rotate the closing motor in one of a raising direction and a lowering direction responsive to the first command signal from the two-axis master switch, wherein the first motor controller includes an output configured to transmit a signal corresponding to the closing motor rotating in the raising direction; a second motor controller including an input electrically connected to the output of the first motor controller; and a close signal provided to the second motor controller, wherein the close signal indicates the load handling member is closed and wherein the second motor controller is configured to: