Hand-operated bicycle brake assembly

A hand-operated bicycle brake comprising:

• a pair of caliper arm means of complementary, similar construction for effecting a braking action;
• means for mounting a brake shoe at one end of each of said pair of caliper arm means;
• means at the opposite end of each pair of caliper arm means for attaching actuating cable structure thereto;
• bearing means for pivotably supporting said pair of caliper arm means in an interengaged manner from a bicycle frame;
• said bearing means for pivotably supporting said pair of complementary caliper arm means from a bicycle frame comprising a support head;
• a support bearing stud with a cantilever end extending from said support head for reception within the interlocked and interengaged pair of complementary caliper arm means for supporting same from a bicycle frame;
• and
• said support head having a longitudinal recess therein for reception of a large head support bolt therealong, said support bolt being retained within said recess by retention means.

A hand-operated bicycle brake comprising:

• a pair of caliper arm means of complementary, similar construction for effecting a braking action;
• means for mounting a brake shoe at one end of each of said pair of caliper arm means;
• means at the opposite end of each pair of caliper arm means for attaching actuating cable structure thereto;
• bearing means for pivotably supporting said pair of caliper arm means in an interengaged manner from a bicycle frame;
• said bearing means for pivotably supporting said pair of complementary caliper arm means from a bicycle frame comprising a support head;
• a support bearing stud with a cantilever end extending from said support head for reception within the interlocked and interengaged pair of complementary caliper arm means for supporting same from a bicycle frame;
• and
• a flexible low friction bearing sleeve being provided between the support bearing stud and apertures provided in the pair of caliper arm means for maximum ease of pivotable movement of said caliper arm means thereabout.

A brake shoe structure for use with a bicycle brake assembly comprising:

• a substantially flat brake pad, a brake shoe for integrally supporting said brake pad therefrom, a support member integral with said brake shoe, and means provided with said support member for permitting flexible, easy adjustment, in all directions, of the brake shoe at one end of a brake assembly caliper arm;
• said means with said support member comprising a support cylinder having spherical projections at each end thereof, one end engageable with a similar spherical recess in the end of a caliper arm and the other spherical projection for complementary mating with a bushing having a similar spherical recess therein;
• a mounting bolt and a flat washer mating with a flat surface of said mounting bushing;
• and a central hole of said mounting support cylinder being substantially larger than the outside diameter of the mounting bolt so that the brake shoe can be pivoted at least 5.degree. either way, from the vertical, or 10.degree. overall, or at any desired angle therebetween.

A brake actuating cable clamping structure comprising:

• a nut and bolt having two separable parts;
• complementary means therewith for clamping the end of a cable therebetween in a manner for effectively increasing the action of clamping with the minimum amount of force required for tightening the parts thereof for reducing the chances of cable slippage;
• said nut/bolt combination including a bolt part having a tool engaging portion, a threaded portion, and a recess slot extending therein from one end to approximately midway thereof, a complementary nut part having internal threads mountable upon said threaded portion of said bolt part and provided with a further tool engaging portion therewith;
• and said nut part being provided with a clamping means which slides in the slot of the bolt for effectively squeezing and locking the cable core.