| Pitch: |
9" -- accuracy held to plus or minus .001". |
| 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 J.C.I. radial design feature of special 1/4" thick Exten steel welded to form a continuous overlapping side with close tolerances arranged for thru axle to pass thru to form an integral apron. Flush surface on inside. |
| Side Bars: |
Inside and outside chain 1/4" thick Exten steel side bars. |
| 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 Bushings: |
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, 3" diameter single flange, with 1 1/8 tread, or 4" diameter single flange with 1 7/16" tread. Chrome-nickel alloy iron with bore held to .002" tolerance on bushing. 4" diameter rollers can be furnished with roller bearing hubs and threaded thru rods with locknuts. |