Pedalling force or chain tension detector and devices using...

Details Pedalling force or chain tension detector and devices using... Pedalling force or chain tension detector and devices using...

2005-11-15

2005-11-15

Noori, Max (Department: 2855)

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Reexamination Certificate

active

06964203

ABSTRACT:
A sensor for pedalling force and/or chain tension is mounted on a bicycle frame bottom bracket axle. An intermediate element that can pivot relative to the bottom bracket axle can pivot relative to the frame about a ring offset relative to the bottom bracket axle. A deformable retainer counters pivoting of the element. The element signals a stiffness controller with an indication of pedaling force and/or chain tension in response to the element being rotated in opposition to the holder.

REFERENCES:
patent: 5354085 (1994-10-01), Gally
patent: 6073950 (2000-06-01), Busby
patent: 6263992 (2001-07-01), Li
patent: 6851497 (2005-02-01), Yoshiie et al.

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