Matches 1 - 16 out of 16


Match Document Document Title
US20130035183 BICYCLE SPROCKET ASSEMBLY  
A bicycle sprocket assembly has a first sprocket with a plurality of first radially protruding portions, a second sprocket with a plurality of second radially protruding portions and a sprocket...
US20070060428 Toothed wheel of a bicycle drivetrain  
A toothed wheel is described with a peripheral portion that comprises a side projection at one or more teeth, projecting with respect to one of the sides of the toothed wheel. The projection...
US20090280937 Crank power  
An improved crank mechanism for anything with crank arms such as in a bicycle or a wench with a quick release latch between a multiple radius rotary transmission means (oval sprocket, gear, pulley...
US20060240919 Bicycle transmission  
To improve the operating performance of a chain. A bicycle transmission includes an alignment guide located between a drive sprocket and a transmission sprocket cluster for aligning a stagnant...
US20100137082 DERAILLEUR HANGER WITH INSERTION AID  
The invention relates to a derailleur hanger for a bicycle having an insertion aid for inserting the wheel hub between the dropouts of a fork or frame. A derailleur hanger (10) for a bicycle...
US20080261735 Transmission Case for Bicycles  
To change the transmission gear ratios of a bike and reduce its dimensions as much as possible. The derailleur, located between the two cog sets (2,3), is the latest, newest and a very important...
US20060068955 Front derailleur mounting arrangement  
A front derailleur mounting arrangement includes a bottom bracket tube having a plurality of slots and a front derailleur mounting bracket having a complementary mounting structure that is...
US20060148602 Transmission for bicycle  
A transmission for a bicycle for re-installing a chain in the lateral direction of the bicycle in a front chain wheel having two or more sheets of gear plates, comprising two sheets of guards,...
US20130331210 BICYCLE CHAIN RINGS WITH RAMPS  
Embodiments of the present invention include bicycle chain rings for bicycles having specially shaped ramps with lifting surfaces for improved up-shifting performance. Additional embodiments of...
US20150024884 Multiple-sprocket arrangement for a bicycle gearing  
A multiple-sprocket arrangement for mounting on a rear wheel axle of a bicycle includes a receiving body designed for mounting on the rear wheel axle, and a sprocket assembly. The sprocket...
US20130130852 MOTION TRANSMISSION SYSTEM OF A BICYCLE  
A sprocket assembly mounted to a hub has at least eleven sprockets. The hub is able to rotate about a rotation axis and has a plurality of spoke attachment seats and a fastening portion to a frame...
US20060063624 Transmission systems and methods  
A transmission includes a pair of conical transmission element carriers with one being a drive carrier and one being a driven carrier. The drive carrier has a plurality of fixed drive elements...
US20140335983 BICYCLE SPROCKET  
A bicycle sprocket includes a sprocket body, and a plurality of sprocket teeth. At least one of the sprocket teeth includes a first layered member, a second layered member and a third layered...
US20100167854 TRANSMISSION DEVICE FOR A CYCLE  
A transmission device for a cycle, such as a bicycle, which includes a bottom bracket fixed relative to the remainder of the cycle frame. The device includes a cylindrical main body centered about...
US20100234153 TRANSMISSION NEUTRALIZING STRUCTURE FOR PEDAL-POWERED VEHICLE  
A transmission neutralizing structure for a pedal-powered vehicle is disclosed. The transmission neutralizing structure is provided on one of sprocket sets of the vehicle, and includes a free gear...
US20160280327 SELF-POWERED GEAR SHIFT DEVICE FOR BICYCLES  
The invention is a gear shift device for bicycles, comprising: gear shift control components (A1) suited to transmit codified and/or non-codified signals; actuator components (A3.1, A3.2) suited...

Matches 1 - 16 out of 16