Apron Plates: Special No. 5 gauge steel with integral formed hinge loop for thru
spanner tube formed with precision dies with hinge loops accurately straightened by
special sizing equipment. Can be furnished plain, perforated, or pimpled.
Side Wings: Exclusive Jorgensen radial design feature of special 1/4" thick Exten steel
welded to form a continuous overlapping side with close tolerances arranged for thru
axel to pass thru to form an integral apron. Flush surface on inside.
Spanner Tubes: Special 1" O.D. with close tolerances to insure strength and
maintain flexibility.
Thru Rod: 3/4" diameter-C-1045 C.R. steel, ends heat treated and milled for side bar
to prevent rod from rotating.
Chain Bushing: Heavy wall for accuracy and roundness with ends milled to fit special
punched side bar to prevent rotating.
Rollers: 2-1/2" diameter x 1-1/16" tread or 3" diameter single flange with 1-1/8 tread,
chrome-nickel alloy iron bore held to .002" tolerance on bushing.
*cast or flame cut sprockets with various number of teeth and bores available.