Mark A Preusser

US Patent:

62273302, May 8, 2001

Filed:

Jul 15, 1999

Appl. No.:

9/353400

Inventors:

Mark A. Preusser - New Philadelphia OH
David L. Espenchied - New Philadelphia OH

International Classification:

E04G 310
E04G 118

US Classification:

182150

Abstract:

A support structure for moveably suspending a work surface from the underside of a bridge includes at least a first clip mounted on each lower web of a pair of parallel bridge girders, a track mounted on each clip, and a scaffold member rollably suspended from the track, the work platform extending between the scaffold members. The scaffold members include a plurality of rollers that roll along the upper surface of each track such that the scaffold members are selectively rollable along the tracks. The clips are securely clamped to the lower webs of the girders such that the rails are securely and unadjustably spaced below the lower webs of the girders.

US Patent:

63022389, Oct 16, 2001

Filed:

Feb 20, 2001

Appl. No.:

9/788882

Inventors:

Mark A. Preusser - New Philadelphia OH
David L. Espenchied - New Philadelphia OH

International Classification:

E04G 310
E04G 314
E04G 300

US Classification:

182150

Abstract:

A support structure for moveably suspending a work surface from the underside of a bridge includes at least a first clip mounted on each lower web of a pair of parallel bridge girders, a track mounted on each clip, and a scaffold member rollably suspended from the track, the work platform extending between the scaffold members. The scaffold members include a plurality of rollers that roll along the upper surface of each track such that the scaffold members are selectively rollable along the tracks. The clips are securely clamped to the lower webs of the girders such that the rails are securely and unadjustably spaced below the lower webs of the girders.