Terry C Potter

US Patent:

50705750, Dec 10, 1991

Filed:

Aug 4, 1989

Appl. No.:

7/389839

Inventors:

Carl E. Redman - Lake Oswego OR
James Ingram - Beaverton OR
Terry Potter - Tualatin OR
Milo Cejka - Tigard OR
Joe Dorie - Oregon City OR
Larry Newman - Oregon City OR
Alfred J. Peirish - McMinnville OR

Assignee:

Post Industries, Inc. - Portland OR

International Classification:

E05D 1506

US Classification:

16 96R

Abstract:

A sliding door suspension system and a sliding door assembly for supporting a heavy sliding door from a door frame includes a rail horizontally mounted to the door frame. The suspension system includes a roller assembly which rollingly engages the rail and supports the heavy door. The roller assembly includes an axle or shaft having a bearing surface. The axle has at least one threaded end for securing the roller assembly and for attaching the roller assembly to a door hanger from which the heavy door is suspended. The roller assembly further includes a roller with a concentric hollow bore for seating a bearing assembly or bushing through which the axle extends in supportive engagement with the bearing assembly. The rail has a convex arcuate upper roller guide surface. The roller has a concave arcuate roller guide engaging surface which conforms to and engages the upper surface of the rail.