Patent ID: 9694733
Date: 2017-07-04
CPC Classifications: B60P,Y10T

Claim:
1. An actuating assembly for extending and retracting through an aperture in a side wall of a mobile living quarters a slide out room having first and second opposing side walls, the actuating assembly comprising: an upper gear rack comprising teeth, the upper gear rack configured for mounting on an upper portion of the first side wall of the slide out room such that the teeth face outwardly from the first side wall of the slide out room; a lower gear rack comprising teeth, the lower gear rack configured for mounting on a lower portion of the first side wall of the slide out room such that the teeth face outwardly from the first side wall of the slide out room; a drive mechanism configured for mounting to the side wall of the mobile living quarters adjacent to the aperture in the side wall of the mobile living quarters and adjacent the first side wall of the slide out room, the drive mechanism comprising: a column configured for attachment to the side wall of the mobile living quarters; an upper bearing block disposed in an upper portion of the column; one of a hooked extension extending from the upper bearing block into a longitudinally extending groove of the upper gear rack and a roller engaged between the upper bearing block and a bearing surface of the upper gear rack; a lower bearing block disposed in a lower portion of the column; one of a hooked extension extending from the lower bearing block into a longitudinally extending groove of the lower gear rack and a roller engaged between the upper bearing block and a bearing surface of the upper gear rack; a torque shaft rotatably supported by the upper bearing block and the lower bearing block; an upper pinion gear engaged with the torque shaft and the upper gear rack; a lower pinion gear engaged with the torque shaft and the lower gear rack; an electric motor configured to rotate the torque shaft, the motor disposed in the column.