Machine element or mechanism – Elements – Cranks and pedals
Patent
1998-08-04
2000-04-18
Battista, Mary Ann
Machine element or mechanism
Elements
Cranks and pedals
745943, B62M 308
Patent
active
060501545
ABSTRACT:
An improved bicycle pedal is provided in which a sleeve is additionally installed at the lower extent of the pedal body, with a locating pin inserted through the sleeve and capable of freely swinging forward and rearward in an inverted U-shape locating tube. The horizontal section of the locating tube is secured to the threaded shaft of the bicycle crank and retains the free rotation capability. The pedal body and locating pin are both capable of free forward and rearward motion and swinging, and when the rider utilizes their feet on the respective pedal bodies to execute a circular pedaling movement, the pedal body is directly subjected to the pedaling force at the locating pin and is capable of providing the most natural and the most appropriate angle relative to the extension and retraction of the rider's legs, which not only effectively permits more comfort for the rider's legs, but also during the process of swinging produces a buffering effect that actually improves the pedal driving angle and achieves the production of pedaling force at maximum efficiency and conserves the magnitude of force required.
REFERENCES:
patent: 2024499 (1935-12-01), Baron
patent: 4625580 (1986-12-01), Burt
patent: 5257562 (1993-11-01), Nagano
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