A bicycle braking device includes a caliper, two operation units and two links. Each operation unit is installed to the two respectively threaded holes of the caliper and includes an operation assembly and a ring. Two links are respectively connected to the two operation assemblies. Each operation assembly includes multiple curve slots, and multiple balls are partially rotatably accommodated in each curve slot. Each ring is movably mounted to the core part of each operation assembly and includes multiple spiral grooves. The balls are accommodated in the spiral grooves and the curve slots. When the two links are pivoted by pulling the brake cable, the two core parts are rotated, and the two rings rotatably move to push the linings to clamp the brake disk. The balls ensure the rings to move smoothly so as to precisely clamp the brake disk.
BICYCLE BRAKING DEVICE
2023-05-04
Patent
Elektronische Ressource
Englisch
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