Chain – staple – and horseshoe making – Chain making – Sprocket chain
Patent
1998-11-24
2000-09-05
Jones, David
Chain, staple, and horseshoe making
Chain making
Sprocket chain
474212, F16G 1304
Patent
active
061125105
ABSTRACT:
A silent-chain transmission apparatus includes a silent chain and a sprocket. The silent chain is formed of a plurality of plates, each of which has a pair of link teeth each having an inner crotch and an outer flank. The plates are connected through use of connection pins. The sprocket has sprocket teeth that come into meshing engagement with the link teeth of the silent chain. Each of the inner crotches has a projection that is formed on a tooth tip side with respect to a working pitch line and has a straightly profiled portion.
REFERENCES:
patent: 799073 (1905-09-01), Morse
patent: 1086146 (1914-02-01), Dodge
patent: 1580910 (1926-04-01), Layman et al.
patent: 1598906 (1926-09-01), Dull
patent: 2525561 (1950-10-01), Pierce
patent: 4759740 (1988-07-01), Cradduck
patent: 5419743 (1995-05-01), Takeda et al.
patent: 5628702 (1997-05-01), Kotera
Patent Abstracts of Japan, vol. 1998, No. 05, Apr. 30, 1998 & JP 10 002383 A (Tsubakimoto Chain Co).
Patent Abstracts of Japan, vol. 011, No. 392 (M-653), Dec. 22, 1987 & JP 62 159829 A (Borg Warner Ootomooteibu KK), Jul. 15, 1987.
Haginoya Tsutomu
Ichikawa Kouichi
Kanehira Makoto
Kozakura Nobuto
Sonoda Masatoshi
Jones David
Tsubakimoto Chain Co.
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