Matches 1 - 29 out of 29


Match Document Document Title
US20070054770 Sprocket support member for a bicycle sprocket assembly  
A bicycle sprocket assembly having at least one subassembly including a sprocket support member and two sprockets is presented. The support member has at least one engagement portion for coupling...
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...
US20120220402 COGSET ASSEMBLY FOR A BICYCLE  
A bicycle hub assembly comprises a shaft, a first load bearing adjacent said shaft, a hub main body surrounding said shaft, and a cogset. The cogset can define an inner surface, and the inner...
US20170101159 BICYCLE SPROCKET AND BICYCLE SPROCKET ASSEMBLY  
A bicycle sprocket has a rotational center axis, and basically includes a first tooth and a second tooth. The first tooth has a first axial chain engaging width. A first axial chain engaging width...
US20050282671 Shift assist projection for bicycle sprocket  
A shift assist projection is provided on a large bicycle sprocket to assist in shifting a chain to the sprocket from an adjacent smaller sprocket. The shift assist projection extends axially from...
US20060014599 Sprocket-carrying body for the rear wheel of a bicycle  
A sprocket-carrying body for a rear wheel of a bicycle has a tubular body, suitable for externally receiving a plurality of sprockets, a plurality of ribs at an outer surface of the tubular body,...
US20100099530 Bicycle Cogset  
A cogset, which is adapted to connect to a rotatable hub of a bicycle, includes first, second and third cog assemblies. Each cog assembly has at least one cog with which a chain on the bicycle...
US20090258740 TOOTHED WHEEL AND GROUP OF TOOTHED WHEELS FOR A BICYCLE TRANSMISSION SYSTEM  
A toothed wheel for a chain transmission system for a bicycle, intended to be coupled with at least one other toothed wheel in a group of crowns or of sprockets rotating as a unit has a plurality...
US20080004143 Bicycle sprocket assembly  
A bicycle sprocket assembly includes first, second and third sprockets. A first mounting portion of the first sprocket is directly connected to a second mounting portion of the second sprocket by...
US20080161146 Bicycle chain wheel with fastener covers  
A bicycle chain wheel assembly is provided with a chainring mounting structure, at least one chainring, a plurality of fasteners and a plurality of fastener covering structures. The chainring...
US20160144929 BICYCLE SPROCKET FOR USE WITH A MULTI-GEAR REAR CASSETTE  
A rear bicycle sprocket for use with a multi-gear rear cassette is provided. The sprocket includes a chain engaging portion and a mounting portion having generally annular shape about a central...
US20060128512 Bicycle crankset  
A crankset is provided that is mounted on a crank spindle rotatably mounted in a hanger component of a bicycle and that meshes with a chain. The crankset includes a plurality of sprockets, a crank...
US20100009794 SPROCKET ASSEMBLY  
A sprocket assembly includes a first sprocket set having multiple first bores defined therein. A second sprocket has multiple second bores defined therein. A supporter has multiple first fastening...
US20150133249 BICYCLE DRIVE CHAINWHEEL ASSEMBLY  
A bicycle drive chainwheel assembly mounted on a ratchet seat annularly provided with a flange peripherally at one end is disclosed, which includes a sleeve, at least one first chainwheel, at...
US20060094550 Bicycle crankset  
A bicycle crankset has a crank arm portion, a chainring mounting portion and at least a first chainring. The crank arm portion has a pedal attachment end and a crankshaft mounting end with the...
US20120244977 Bicycle cogset  
A cogset, which is adapted to connect to a rotatable hub in a bicycle, comprises a cog assembly and a connective set installed to the cog assembly. The cog assembly includes at least one first...
US20070173364 Sprocket  
An annular plate, which is of a first material and has a toothed external periphery, is shrink fitted onto the perimeter of a disc of a second material so that there is no play between the annular...
US20120322598 Ratchet Structure of a freewheel and a hub  
A structure of a freewheel and a hub contains a hub including a first ratchet having a pair of first teeth, a central shaft, a screw section, and a freewheel set; the hub including a first...
US20100317479 CHAINSET WITH INTERCHANGEABLE CHAINRINGS  
Bicycle chainset comprising: two cranks (4,5) each comprising, at one end, means (7) for fastening a pedal, a main axle, of axis x-x′, coupled in rotation to the two cranks (4, 5) and intended to...
US20050014590 Sprocket for a bicycle  
A chain sprocket for a bicycle has a body and at least one cover. The body has a periphery, two side surfaces, multiple teeth formed on the periphery and the cover formed on the side surfaces of...
US20070254758 Hub assembly for bicycle  
A hub assembly for a bicycle includes a hub body provided with a mounting portion, a freewheel slidably mounted on the mounting portion of the hub body, and at least one retainer mounted on the...
US20070093329 Motion transmission system with sprocket supported by elastic anti-jerk elements  
A motion transmission system for motor vehicles, comprising a motion transmission sprocket between a shaft to which the sprocket is connected and a circulating element engaged on the periphery of...
US20050014585 Combined out-in stroke mechanical transmission for facilitating and multiplying the speed of cycles and other pedal appliances  
Combined input-output mechanical transmission to facilitate and multiply the speed of cycles and other pedaled systems. Designed to limit the amount of rotation of the pedal mechanism and the...
US20090279984 BICYCLE DRIVE UNIT AND FASTENER THEREOF  
A bicycle drive unit includes a crank having multiple branched radially extending from one end thereof. Each branch has a through hole defined therein. A chain wheel set is laterally mounted to...
US20110065541 SPROCKET ASSEMBLY  
A sprocket assembly of the present invention includes a first sprocket and a bigger second sprocket. The first sprocket has a small-diametered tooth having a beveled edge. The beveled edge is...
US20090220319 Captive fasteners for bicycle chainguides  
The present invention according to certain embodiments relates to chain guides with captive fasteners. A chain guide of the current invention in certain embodiments is designed to preserve...
US20090118046 Multi-speed bicycle sprocket  
An improvement of a multi-speed bicycle sprocket, in which the number of teeth of a tenth sprocket of a rear sprocket assembly is increased to obtain a more laborsaving effect without...
US20060040776 Fixed gear bicycle hub  
A fixed bicycle hub assembly for changing (removing and replacing) the hub (rear) gear on a fixed gear bicycle hub so that another gear can be used; comprising a chain, a molded unitary hub having...
US20070054769 Bicycle cadence variator transmission  
A power transmission system used in connection with a vehicle power wheel of a bicycle or other vehicle which has a fixed axle and which utilizes a rotating chain sprocket engaging an endless...

Matches 1 - 29 out of 29