Patent ID: 9010023
Filing Date: 2015-04-21
Classification: B61D,E05F,E05Y,Y10T

Abstract:
1. An adjustable base plate structure for a transit door in a wall of a transit vehicle comprised of a plurality of fixed dimension elements and a plurality of variable dimension elements for accommodating a plurality of door sizes of varying widths and types, said door being pivotally supported by at least one door shaft comprising: a roller channel having first and second longitudinal ends, said roller channel dimensioned for spanning the width of the door; a center brace having first and second longitudinal ends and being secured to the roller channel centered on the roller channel; mounting brackets configured for being secured to the vehicle wall or a door frame in the vehicle wall and secured to the first and second longitudinal ends of said roller channel; bearings supported in said mounting brackets for pivotally supporting the door shafts; linear actuators pivotally mounted to the said first and second longitudinal ends of the said center brace; and upper braces having first and second ends, said upper braces being pivotally mounted at said first end to the center brace and secured at said second end to a mounting bracket; whereby the center brace is a channel having parallel webs, one web of the channel lies against the roller channel, said center brace having a pair of aligned holes in the parallel webs of the channel at first and second longitudinal ends of the channel configured for receiving pins for pivotally mounting the linear actuators and upper braces, said pins being bolts that also secure the center brace to the roller channel, and whereby the mounting brackets, the linear actuators and the upper braces are fixed dimension elements and the roller channel and the center brace are variable dimension elements.