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US 2016/0238104 A1Published application
Low mass chain link and assembly for friction reduction
AssigneeBorgWarner Inc.
InventorsShawn R. VROMAN, Timothy J. MAXSON
Life of this patent
Estimating the term…
Abstract
Roller chain links, both internal and external which include a link outer profile that contains at least one convex back edge. In an alternate embodiment, the link also contains a concave back edge. Additionally, the links may contain an extra hole or window within the link profile combined with the convex and concave edge profiles for additional mass reduction.
Claims14
A link for a chain in contact with a tensioner or guide comprising:
- a pair of apertures for receiving at least connecting pins;
- at least one contact surface, comprising an arc with a radius, the radius defining at least one point of contact on the arc on the contact surface between the contact surface and the tensioner or guide, the point of contact being located between the pair of apertures;
- and
- a window between the pair of apertures.
1 more element
A chain comprising:
- a plurality of links coupled together by connecting elements received by a pair of apertures, wherein at least some of the links comprise:
- at least one contact surface, comprising an arc with a radius, the radius defining at least one point of contact on the arc on the contact surface between the contact surface and the tensioner or guide, the point of contact being located between the pair of apertures;
- and
- a window between the pair of apertures.
1 more element
Dependencies are inferred from the claim text.