Gm Global Technolgoy Operations, Inc.

Jesse J-s Jou

William C Bisnack

Timothy A Wirsing

Alex Newton Draper

A modular window regulator system is provided for controlling the movement of a window which includes first and second cross arms pivotally joined to one another, each cross arm having first and second ends, the first cross arm first end being geared; a back plate mounting a driver gear for torsional engagement with the geared end of the first cross arm, the back plate mounting the first end of the second cross arm for linear movement; first and second channels extending generally vertically and transverse to the back plate and fixably joined thereto at opposite ends of the back plate; a sash slidably mounting the second end of the cross arms, the sash having first and second ends extending toward the first and second channels, respectively; a first guide block fixably connected to the sash first end and to the window, the first guide block having a vertical bearing connection with the first channel; a second guide block fixably connected to the sash second end and to the window, the second guide block having a vertical bearing connection with the second channel; and a fore/aft bearing on one of the guide blocks engaged with one of the channels, the fore/aft bearing being at a different elevation than the second ends of the cross arm, the second ends of the cross arm within the sash and the fore/aft bearing providing three point stability for moment force on the window in a plane of the window.

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Clarkston, MI, United States of America

Jesse J-s Jou