Machine element or mechanism – Elements – Cranks and pedals
Patent
1994-01-12
1996-04-09
Luong, Vinh T.
Machine element or mechanism
Elements
Cranks and pedals
745944, 36131, G05G 114
Patent
active
055051111
ABSTRACT:
A connecting structure between a bicycle pedal and a cleat is formed of hooks pivotably supported by a pedal body for engaging and releasing the cleat, and an urging device for urging the hooks toward engaging positions. A first cam mechanism is provided between each of the hooks and the cleat for causing the hook to pivot in a releasing direction when the cleat is inclined about a first imaginary axis extending substantially along a direction of pivotal movement of the hooks. The first cam mechanism includes a first pressed edge defined on one of the hooks and opposed to the cleat, and a first pressing edge defined on the cleat and opposed to one of the hooks for slidable contact with the first pressed edge. The first pressed edge and first pressing edge overlap each other as seen in a direction perpendicular to the pedal body tread.
REFERENCES:
patent: 4089236 (1978-05-01), Genzling
patent: 4302987 (1981-12-01), Takeda
patent: 4686867 (1987-08-01), Bernard et al.
patent: 4932287 (1990-06-01), Ramos
patent: 5003841 (1991-04-01), Nagano
patent: 5046382 (1991-09-01), Steinberg
Japanese Patent Abstract No. 03-34987 published on Apr. 5, 1991.
Luong Vinh T.
Shimano Inc.
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