Brake for bicycles

Claim 2

A brake for bicycles adapted to be secured to a drop handle having a straight crossbar and curved forwardly and downwardly facing U-shaped bent sections at each end thereof comprising the following means, a. a bracket means adapted to be secured on a substantially intermediate portion of said U-shaped sections, b. a main lever rotatably supported on said bracket means, c. an auxiliary lever rotatably supported to said main lever in its lower portion, d. a projection on said main lever for retaining said main lever and said auxiliary lever, e. a brake operating wire rope which terminates to the foremost end of said auxiliary lever and fixed thereto.

Claim 3

An auxiliary lever according to claim 1 which is formed in a substantially L-shaped configuration with a first straight portion substantially in parallel to the axial direction of said bracket means and a second straight portion extending from said first straight portion and being provided in its foremost end with a round rod-shaped shaft extending in the direction opposed to said lower horizontal straight portion, the upper portion of said shaft being provided with a projection facing at right angles thereto and the top of said projection being bored with a hole for fixing a brake operating wire rope.

Claim 4

A main lever according to claim 1 which is provided downwardly and forwardly with a hole for inserting a small shaft to rotatably support said main lever on a bracket means, being provided upwardly and rearwardly of said hole with a projection extending in parallel to the axis of said hole.

Claim 5

A bracket means according to claim 1 which comprises a bracket body and a supporting means for fitting said bracket body to a drop handle portion, said bracket body being substantially in a prism shape having at least a pair of opposed sides inwardly pressed to form projections thereon in parallel relation to each other whereby a washer for receiving said suppOrting means is mounted on said projection in downwardly fixed relation.

Claim 6

A small shaft for rotatably supporting said main lever on said bracket means according to claim 3 which is sleeved with a roller circumferentially grooved so as to permit said wire rope to slidably move thereon.

Claim 7

A bracket means adapted to be secured to drop type bicycle handle having a straight crossbar and curved forwardly and downwardly facing U-shaped section at each end thereof comprising, a. a bracket means adapted to be secured on a substantially intermediate portion of said U-shaped bent section and comprising a small shaft, b. an auxiliary lever rotatably supported on said small shaft of said bracket means, c. a main lever rotatably supported on said small shaft, d. a projection on said main lever for retaining said auxiliary lever and said main lever, and e. a wire rope for operating the brake, which terminates to the foremost end of said auxiliary lever and fixed thereto.

Claim 8

A bracket means adapted to be secured to drop type bicycle handle having a straight crossbar and curved forwardly and downwardly facing U-shaped section at each end thereof comprising, a. a bracket means adapted to be secured on a substantially intermediate portion of said U-shaped bent section and comprising a small shaft, b. an auxiliary lever rotatably supported on said small shaft of said bracket means, c. a main lever rotatably supported on said small shaft, d. a projection on said main lever for retaining said auxiliary lever and said main lever, and e. a wire rope for operating the brake, which terminates to the foremost end of said auxiliary lever and fixed thereto.

Claim 9

A main lever according to claim 6 which is bored downwardly of its foremost end with a hole for inserting said small shaft to rotatably support said auxiliary lever on said bracket means, being provided rightly above said hole with a projection disposed in parallel to the axis thereof.