Land vehicles – Wheeled – Occupant propelled type
Patent
1974-10-10
1976-06-29
Wood, Jr., M. H.
Land vehicles
Wheeled
Occupant propelled type
188 24, B62L 500
Patent
active
039662292
ABSTRACT:
A bicycle having front and rear wheel caliper brake assemblies which are connected to a swingably mounted lever which in one form of the invention is operatively engaged to the pedal shaft through friction-producing elements as well as to cables controlling the brake assemblies so that upon back pedaling action the brakes will be automatically applied; but with there being a linkage connection between said lever and a pawl engageable with a driven sprocket on the rear axle to promote slackness in the transmission chain upon brake application. In another form of the invention, the particular lever member is operatively engageable with the pedal shaft by bearing elements carried thereon and to a front pawl lockable with a drive sprocket; and there being an elongated finger-like element fixed to the lever and engageable with the transmission chain for assuring of slackness therein upon release of the said front pawl. In a further form of the invention, the particular lever member is operatively connected to a pawl lockable with a driven sprocket by a cable from the front pawl, and with a spring element engaging the cable for causing slackness to develop in the transmission cable. The bicycle also incorporates a handle bar readily shiftable between touring and racing positions, as in ten-speed bicycles, and having shift controls in the ends thereof for actuation in like manner regardless of the position in which the handle bar may be disposed.
REFERENCES:
patent: 625415 (1899-05-01), Reber
patent: 675288 (1901-05-01), Nash
patent: 2201902 (1940-05-01), Kormann
patent: 2949990 (1960-08-01), Douglas
patent: 3486586 (1969-12-01), Grier
patent: 3774732 (1973-11-01), Basek
Kalish Ralph W.
Siemens Terrance L.
Wood, Jr. M. H.
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