Chunguang Yuan

US Patent:

60656654, May 23, 2000

Filed:

Jun 19, 1998

Appl. No.:

9/100855

Inventors:

Laura Lynn McKinnon - Orlando FL
Chunguang Yuan - Orlando FL
Michael A. Leon - Orlando FL

Assignee:

FMC Corporation - Chicago IL

International Classification:

B23K 3102

US Classification:

228135

Abstract:

The present invention provides a ball deck which reduces or eliminates the use of castings, which is self-fixturing for welding and can be manufactured and assembled relatively inexpensively and simply, which has drive means that is readily alignable with the drive motors, which incorporates a deck plate easily registerable with the associated driven balls regardless of the adjustment required to align the drive means, and which incorporates a means for attaching the deck plate so that the upper surface thereof is flat and uncluttered and is less susceptible to wear.

US Patent:

58905820, Apr 6, 1999

Filed:

Jun 25, 1996

Appl. No.:

8/670029

Inventors:

Laura Lynn McKinnon - Orlando FL
Chunguang Yuan - Orlando FL
Michael A. Leon - Orlando FL

Assignee:

FMC Corporation - Chicago IL

International Classification:

B65G 1306

US Classification:

19878104

Abstract:

An improved ball deck having a plurality of driven balls arranged in rows, with each driven ball supported on a freely rotatable ball and a pair of drive wheels secured to parallel shafts positioned on either side of the driven balls in each row, and a tray for each row of driven balls having bearings in the end plates thereof. Chain drive sprockets attached to each of the shafts with adjustment means for adjusting the trays to control the tension in the chains.