Brake actuators for bicycles

Details Brake actuators for bicycles Brake actuators for bicycles

1989-06-23

1990-03-06

Lorence, Richard

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 41S, 192107T, 188 2417, 745941, B62L 500, F16D 4134

Patent

active

049058037

ABSTRACT:
In a spring clutch arrangement for housing in the lower bracket of a bicycle in order to operate a bicycle brake, a conventional waisted pedal crankshaft is modified to provide a cylindrical surface which supports the clutch spring by application of a resin bonded material of high compressive strength and high coefficient of friction. A preferred material is an epoxy resin loaded with aluminum powder having a surface layer of alumina.

REFERENCES:
patent: 1488714 (1924-04-01), Schurmann
patent: 1714496 (1929-05-01), Chilton
patent: 1939730 (1933-12-01), Starkey
patent: 2940563 (1960-06-01), Milenkovic et al.
patent: 3040856 (1962-06-01), Shoquist
patent: 3555919 (1971-01-01), Odell
patent: 4313530 (1982-02-01), Boyd
Xerox Disclosure Journal, Acceleration Control of Wrap Spring Clutches, vol. 4, No. 5, Sep.-Oct. 1979, p. 587.
`Dercon High Temperature Mold Maker`, information sheet, Dercon Corp., Oct. 1985.

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