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US 5,853,341 AGranted
Laminated chain tensioner arms or guides
AssigneeBorg-Warner Automotive, Inc.
InventorMark M. Wigsten
Life of this patent
Estimating the term…
Abstract
The tensioner arms or guides of the present invention are constructed of two or more laminations with a plastic guide portion. These laminations replace the typical die cast aluminum or injection molded plastic bracket.
Claims13
A chain tensioning member, comprising:
- a guide portion having a top surface and a bottom portion extending below said top surface, said guide portion having a plastic face along said top surface that contacts a chain, said top surface being formed of a continuous piece that extends from a first end to a second end in the longitudinal direction of travel of the chain, said top surface having a center portion dividing said guide portion into a first side and a second side in the transverse direction;
- a plurality of separate plate members extending in the longitudinal direction from said first end to said second end of said guide portion, at least one of said plate members being located directly beneath said top surface on said first side of said bottom portion of said guide portion, at least another of said plate members being located directly beneath said top surface on said second side of said bottom portion of said guide portion, said plate members being formed of steel;
- a plurality of connecting members for connecting said plate members to the bottom portion of said guide portion.
Dependencies are inferred from the claim text.