OPENTECHNICAL PUBLICATION OT-2026-000001754 Dynamically stable ergonomic control for man-up lift truck Published: 2026-09-15T19:08:28.683879Z Permanent URL: https://opentechnical.org/p/OT-2026-000001754 Categories: Lifting, Positioning & Manipulation > Lift Tables and Positioners ------------------------------------------------------------------------ ABSTRACT An operator control device for a man-up lift truck includes a handle pivotably arranged on a support structure at a pivot point. The support structure is secured to the lift truck such that horizontal and vertical positions of the pivot point are substantially fixed with respect to the lift truck during operation. The handle comprises an upper surface contoured to ergonomically support an operator's hand with an operator's wrist arranged substantially directly above the pivot point. The handle may be biased in a neutral position. Clockwise and counter-clockwise rotation of the handle may cause forward driving and stopping/reverse driving of the man-up lift truck, respectively. A thumb-operated switch can be arranged on the handle to control lift operations of the man-up lift truck. The operator control device provides dynamic stability to an operator and reduces carpal tunnel stresses and the like in the operator's wrist. ------------------------------------------------------------------------ OpenTechnical publication OT-2026-000001754 Published 2026-09-15T19:08:28.683879Z https://opentechnical.org/p/OT-2026-000001754