F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/89
F16H 55/30 (2006.01) F16G 13/04 (2006.01)
Patent
CA 1293393
SILENT TIMING CHAIN AND SPROCKET SYSTEM ABSTRACT A sprocket (31) for use with a silent timing chain (10) for automotive vehicle or industrial drive applications wherein the sprocket is formed with an even number of teeth (32,35,32',35',32",35" etc.) of which there are alternating tooth profiles. One tooth profile comprises outwardly converging straight-sided flanks (33,33) and the other profiles comprises involute curved flanks (36,36). This sprocket is used with a block-type timing chain (10) so that the straight-sided flanks (33) engage the inside flanks (25) of the leading chain link teeth (23) and the involute curved flanks (36) engage the outside flanks (24') of the trailing link teeth (23').
561903
Borg-Warner Automotive Inc.
Macrae & Co.
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