70250 ⎘
Transmissions characterised by use of an endless chain, belt, or the like Non-circular chain rings or sprockets
REDUCTION RATIO CHANGING DEVICE
#2CATAPULT SLINGSHOT 2 STROKE DOUBLE DOUBLE REVERSED BOOMERANG SLAP ARM DRIVE SPROCKET THRUSTERS
#3Drive train and sprocket arrangement for human-powered vehicle
#4Pump-action ride-along vehicle
#5Drive train and sprocket arrangement for human-powered vehicle
#6Transmission structure for bicycle
#7Pump-action ride-along vehicle
#8ASYMMETRICAL ELLIPTICAL CHAINRING FOR CLIPLESS PEDAL
#9Bicycle crank assembly
#10Gear for a bicycle transmission
#11All Limb Powered And Steered Front Wheel Drive Land Vehicle
#12BICYCLE CRANKSET WITH ECCENTRIC CHAINRING AND ADJUSTABLE CRANKARM
#13Bicycle crankset
#14GEARWHEEL FOR MOTION TRANSMISSION SYSTEMS ONTO CYCLES
#15Pump-action ride-along vehicle
#16Chainring
#17Chainring
#18Chainring
#19Chainring
#20Chainring
#21Chainring
#22Crank arm spider improvement for attaching ovoid chainrings
#23Gearing system and method of use
#24Transmission wheel series with periodically varied speed ratio and having reciprocally displacing auxiliary pulley for storing/releasing kinetic energy
#25Noncircular synchronous transmission pulley set having periodically varying speed ratio and circumference compensating function
#26Transmission wheel system series with periodically varied speed ratio and having reciprocally displacing auxiliary pulley for storing/releasing kinetic energy
#27Treadle-drive eccentric wheel transmission wheel series with periodically varied speed ratio and having inward packing auxiliary wheel
#28Attachment of an ovoid chainring
#29Chainring
#30Crank power
#31Chain wheel for bicycle
#32Pedaling correction device for bicycle
#33Ovoid chainrings for optimising conventional pedaling
#34Bicycle having frame geometry, elliptical pedaling path, and seat configuration to increase efficiency and comfort
#35Bicycle chainring and a bicycle comprising the bicycle chainring
#36Bicycle crankset with eccentric chainring