Chain – staple – and horseshoe making – Chain making – Sprocket chain
Patent
1993-07-28
1994-09-13
Jones, David
Chain, staple, and horseshoe making
Chain making
Sprocket chain
59 78, 474213, 474215, F16G 1300, F16G 1306
Patent
active
053457536
ABSTRACT:
In a silent chain, guide link plates are installed in a row along the sides of the link plates. The guide link plates are provided with central openings having rounded corners. The width of the inner beam portion of the central opening is limited by the inner edge of the central opening and the inner edge of the guide link. The width of the outer beam portion of the central opening is limited by the outer edge of the opening and the outer edge of the guide link plate. The width of the inner beam portion is equal to or less than the width of the outer beam portion. Alternatively, the guide link plates are provided with slits extending from the inner edge, and the inner edges of said slits are curved.
REFERENCES:
patent: 1503774 (1924-08-01), Stiansen
patent: 2525561 (1950-10-01), Pierce
patent: 2602344 (1952-07-01), Bremer
patent: 4547182 (1985-10-01), Rattunde
patent: 4911682 (1990-03-01), Ivey et al.
patent: 4915675 (1990-04-01), Avramidis
patent: 5176586 (1993-01-01), Sugimoto
Kotera Tetsuji
Morishige Kouji
Okuda Tomonori
Borg-Warner Automotive K.K.
Jones David
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