CRANK APPARATUS EQUIPPED WITH LABOR-SAVING MECHANISM AND BICYCLE CRANK ASSEMBLY

Foot propulsion assembly

Crank drive with periodic change of effective lever length

Powered, programmable machine and method for transforming a bicycle to fit particular riders and/or riding conditions

Cycling aid

Transmission for a human powered vehicle (HPV) and such vehicle

BICYCLE DRIVING DEVICE

Bicycle Pedal Mechanism

Crank Assembly

Crank Assembly

BIKE EXTENDABLE CRANK

Crank mechanism for bicycles

Exercise Apparatus

SYNCHRONOUS PEDAL CRANK DRIVE FOR BICYCLES OR SIMILAR

Retractable/extendable crank using a cylindrical cam, an end cam, or a swash plate cam, and bicycle using the same

Torque multiplier for bicycles and all other foot pedaled vehicles

PEDAL WITH PANTOGRAPH DEVICE

Method and device for pedalling

Cycle crankset

Power cranks

Cycle pedal

Pedal drive

Bicycle having frame geometry, elliptical pedaling path, and seat configuration to increase efficiency and comfort

Crank apparatus for manually powered cycles