Patent ID: 7597178

Claim:
A hydraulic caliper brake comprising a housing having a first half, and a second half; a bridge connecting said housing halves; each said housing half having a pair of holes and a pair of bores, an end cap positioned in one end of each of said bores, and a piston positioned within each of said bores, said holes in said first half being axially aligned with said holes in said second half; a fluid chamber in each of said bores; a pair of recessed areas located on opposing ends of said housing, a first of said recessed areas being positioned adjacent said first half of said housing, and a second of said recessed areas being positioned adjacent said second half of said housing; a pair of spaced stators, each having a stator plate including a first ear with an outer shape having a flattened area positioned within one of said recessed areas in said housing, and a second ear with a continuously curved outer shape, each said ear having a hole therethrough aligned with said holes in said housing halves; a pin slidably positioned in each of said aligned holes; and a fluid network supplying fluid to each fluid chamber, said network including an inlet port located in one of said housing halves and an outlet port located in said one of said housing halves, a first channel extending through said bridge and in fluid communication with said inlet port and a first of said chambers, a second channel extending through said bridge and in fluid communication said outlet port and a second of said chambers, a third channel connecting said first and second channels and in fluid communication with a third and a fourth of said chambers, said third and fourth of said chambers being located in the other of said housing halves, said first and second of said fluid chambers not being in direct communication with each other.