Machine element or mechanism – Elements – Cranks and pedals
Patent
1988-11-15
1990-03-13
Luong, Vinh
Machine element or mechanism
Elements
Cranks and pedals
36131, 745944, G05G 114
Patent
active
049074695
ABSTRACT:
A plastic cleat on the bottom of a cycling shoe for securing the shoe to a pedal. The pedal has a round shaft for connecting to the cleat. The pedal also has rounded stops on the round shaft which are spaced to fit the cleat in between them. The cleat is comprised of a pair of flexible spaced surfaces, being spaced less than the diameter of the round shaft to create a tension to the passage of the round shaft. The spacing between the flexible edges can be changed in order to adjust the tension to the passage and removal of the round shaft. There is a concave surface of the cleat adjacent to the bottom of the shoe which can be changed with screws or other adjusting apparatus connecting to the bottom of the shoe. When the curvature of the concave surface is changed it changes the spacing between the edges. The surfaces adjacent to the flexible edges are angled towards the receiving opening to guide the round shaft into the opening.
REFERENCES:
patent: 1379646 (1921-05-01), Mueller
patent: 4377952 (1983-03-01), Gamondes
patent: 4449308 (1984-05-01), Schar
patent: 4506463 (1985-03-01), Chassaing
Ultrasport, Raben Publishing Co., Inc., May 1986, pp. 72, 73.
Bicycle Guide, Raben/Bicycle Guide Partners, Apr. 1987, pp. 60 and 65.
Bicycle Guide, Raben/Bicycle Guide Partners, Mar. 1986, p. 28.
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