Braking power modulator for a bicycle

Details Braking power modulator for a bicycle Braking power modulator for a bicycle

1999-06-18

2000-11-28

Graham, Matthew C.

Brakes

Vehicle

Velocipede

745022, 188 20, 188 2418, B62L 302

Patent

active

06152266&

ABSTRACT:
A braking power modulator is provided for a bicycle brake to modulate a braking power corresponding to a stroke of an inner wire of the brake cable. The braking power modulator is mounted midway along a brake cable for the bicycle brake. The braking power modulator is adjustable to provide different braking powers for different riders or different road conditions. The braking power modulator basically includes a tubular portion, a first blocking portion, a second blocking portion, a biasing member and an adjusting member. The tubular portion has a first end and a second end with a longitudinal axis extending therebetween. The first blocking portion for axial movement within the tubular portion along a predetermined modulator stroke has a first cable bore and is coupled to the first end of the tubular portion. The second blocking portion has a second cable bore and is movably coupled to the second end of the tubular portion. The biasing member is disposed in the tubular casing between the first and second blocking portions under a pre-loaded state with a pre-set compression force. The adjusting member engages the biasing member to change the pre-set compression force of the biasing member without changing the predetermined modulator stroke of the first blocking portion.

REFERENCES:
patent: 4351418 (1982-09-01), Woodring et al.
patent: 4793444 (1988-12-01), Nagano
patent: 4823915 (1989-04-01), Nagano
patent: 5261293 (1993-11-01), Kelley
patent: 5566789 (1996-10-01), Allen
patent: 5613405 (1997-03-01), Kelley et al.
SOS.RTM.; Anti Lock Brake System; Three pages illustrating a product sold prior to Jun. 1999 in Japan.
Tektro's;Power Modulator--Photographs of the product and a sketch; Sold prior to Jun. 1999.

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