Patent ID: 9649984
Date: 2017-05-16
CPC Classifications: A01B,A01D,B60R

Claim:
1. A power ladder system for an agricultural vehicle having a cab, comprising: a stationary platform; the stationary platform positioned outside the cab of the agricultural vehicle; a movable platform; the movable platform pivotally connected to the stationary platform and movable between a retracted position and an extended position; a ladder section operably connected to the movable platform; an actuator operably connected to the movable platform; the actuator operably connected to a control system of the agricultural vehicle such that the control system controls operation of the actuator; the agricultural vehicle having a drive setting sensor; wherein the actuator is configured to move the movable platform between the retracted position and the extended position when activated; wherein when the drive setting sensor detects a predetermined condition, and the movable platform is in an extended position, the control system activates the actuator thereby moving the movable platform to a retracted position; wherein the actuator is connected to the movable platform using a detachable locking device; wherein the detachable locking device is detachable by a user while standing on the stationary platform outside the cab; wherein when the actuator is in a non-working state, the moveable platform is manually movable by a user standing on the stationary platform by removing the detachable locking device and manually moving the movable platform from the stationary platform.