Spring blade chain tensioner

Details Spring blade chain tensioner Spring blade chain tensioner

1992-08-21

1993-11-30

Bui, Thuy M.

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Tension adjuster has surface in sliding contact with belt

474140, F16H 708, F16H 718

Patent

active

052660664

ABSTRACT:
A blade-type chain tensioner constructed from a plastic shoe and a blade spring. The shoe is slightly arcuate and has a pocket along its concave side. At each end of the pocket is a cavity. The blade spring is substantially more arcuate than the shoe and is rectangular. The blade spring is further dimensioned to allow each end of the blade spring to be mounted in the pocket having an end in each cavity at the end of a shoe. Through this configuration the blade spring is mechanically interlocked with the shoe without the use of fasteners or cutouts. The blade spring places a load on the shoe and causing the shoe to creep at an elevated temperature and thereby provide tension to a chain.

REFERENCES:
patent: 2129107 (1938-09-01), Taylor
patent: 2141118 (1938-12-01), Weller
patent: 2210276 (1940-08-01), Bremer
patent: 3276282 (1966-10-01), Duncan
patent: 3463025 (1969-08-01), Turner et al.
patent: 3490302 (1970-01-01), Turner et al.
patent: 4921472 (1990-05-01), Young
patent: 5055088 (1991-10-01), Cradduck et al.

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