Patent ID: 6094779
Filing Date: 2000-08-01
Classification: E05D,E05Y,Y10T

Abstract:
A roller bracket apparatus for use on a track having a vertical portion, a curve, and a horizontal portion, said apparatus comprising:a roller assembly adapted for movement along said horizontal track portion and which includes a carriage portion and a link portion projecting from said carriage portion,a push/pull assembly adapted for movement along said track, anda pivot assembly connected between said link portion of said roller assembly and said push/pull assembly,wherein said push/pull assembly includes a first angled portion defining a first bearing surface and where said link portion defines a second angled portion defining a second bearing surface such that movement of said roller assembly and said push/pull assembly along said track causes rotation of said push/pull assembly relative to said roller assembly as said push/pull assembly travels along said curve and said roller assembly travels along said horizontal portion sufficient to cause said first bearing surface to engage said second bearing surface whereby to stop further relative rotation between said push/pull assembly and said roller assembly as said push/pull assembly and said roller assembly travel further along said horizontal portion.