Tractor-type stock feed

• US 3,143,269 A
• Filed: 07/26/1963
• Issued: 08/04/1964
• Est. Priority Date: 11/29/1961
• Status: Expired due to Term

• Current Assignee: Eldik Jan Van
• Original Assignee: Eldik Jan Van
• Inventors: ELDIK JAN VAN
• Application Number:
  US04/305,908
• Time in Patent Office: 375 Days
• US Class Current: 226/172
• CPC Class Codes: B29C 48/05 Filamentary, e.g. strands
• CPC Class Codes: B29C 48/06 Rod-shaped
• CPC Class Codes: B29C 48/355 Conveyors for extruded articles
• CPC Class Codes: B65G 2812/018 between conveyor sections
• CPC Class Codes: B65G 37/00 Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes series of co-operating belt conveyor units B65G15/22; series of co-operating chain conveyor units B65G17/26; sequence control of combined conveyors B65G43/10
• CPC Class Codes: Y10S 174/33 Method of cable manufacture, assembly, repair, or splicing

Claims

1. IN A TRACTOR-TYPE STOCK FEED, THE COMBINATION OF TWO SETS OF ROTARY SPROCKETS;

COMPANION CHAINS CARRIED BY SAID SPROCKET SETS, RESPECTIVELY, AND HAVING ADJACENT RUNS TO GRIP STOCK AND FEED IT IN A PREDETERMINED PATH;

POWER MEANS TO DRIVE CERTAIN SPROCKETS FOR STOCK FEED BY SAID CHAIN RUNS;

AND BACK TRACKS HAVING FEED SECTIONS FOR THE RESPECTIVE CHAIN RUNS AND LEAD-ON SECTIONS CONVERGING TO AND CONTINUOUS WITH THE RESPECTIVE FEED SECTIONS, EACH CHAIN HAVING LINKS WITH TRACK ROLLER MEANS AND STOCKGRIPPING SURFACES WITH THEIR OPPOSITE ENDS LEADING AND TRAILING, RESPECTIVELY, IN THE CHAIN DRIVE DIRECTION, OF WHICH THE SURFACES OF THE LINKS OF AT LEAST ONE CHAIN ARE PROVIDED