Guide bar, chain incorporating such a bar and engine equipped with such a chain
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United States of America Patent
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Jun 8, 2004
Grant Date -
Sep 25, 2003
app pub date -
Apr 1, 2002
filing date -
Mar 21, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to a guide bar for a drive chain, provided with two orifices for passage of a pintle pin, each orifice being substantially triangular in shape, with substantially identical edges, in the form of arc of circle and concave. The bar is provided with a recess which extends, from an outer edge of the bar, in the direction of an opposite edge, between the afore-mentioned orifices. The bar comprises, on either side of the recess, two series of two convex edges in the form of an arc of circle, each of these convex edges being centred on the geometrical centre of one of the concave edges of a triangular orifice.
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