Rotating grip brake for bicycles

For a bicycle having a forward and rearward wheel, a frame upon which the wheels are rotatably mounted, and a pair of handle bars, the braking system comprising:

• a flexible cable operable braking device for at least one of the wheels;
• a flexible cable connected to the braking device and extending therefrom to the vicinity of one of the handle bars;
• a base member fixedly secured to the handle bars;
• cable guiding means attached to the bicycle, so that motion imparted to the end of the flexible cable in the direction of its axis at the handle bar produces substantially similar motion of the end of the cable connected to the braking device;
• at least one elongate handle bar grip having means for its mounting rotatably upon the handle bar coaxially therewith and rotatably thereabout;
• means joining the end of the flexible cable to the handle bar grip, so that the wheel braking device may be operated by manual rotation of the grip, said joining means including;
• a cable pulling lever including means pivotally securing it to the base member and having flexible cable connecting means at one of its ends;
• a crank arm affixed to the rotatable grip and extending radially therefrom;
• and
• a linking member pivotally secured at one of its ends to the end of the cable pulling lever opposite the cable connecting end thereof and at its other end to the end of the crank arm distal from the grip.