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Endless Belt Power Transmission Systems Or Components > Positive Drive Pulley Or Guide Roll > And Additional Coaxial Surface For Engaging Same Belt In Shifted Condition Or For Engaging Auxiliary Belt, Brake, Or Clutch Member > Coaxial Surface Is Belt-engaging Surface On Positive Drive Pulley Of Different Circumference Coaxial Surface Is Belt-engaging Surface On Positive Drive Pulley Of Different CircumferenceCoaxial Surface Is Belt-engaging Surface On Positive Drive Pulley Of Different Circumference patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/04/07 - 20070004545 - Bicycle drive unit capable of backward movement and naughtrotation and forward movement traveling when rectitude or reverse pedaling The present invention relates to a bicycle drive unit that moves forward and backward and idles upon clockwise and counterclockwise pedaling, comprising: a drive shaft having one end located in an inner bearings of an internal bearing housing integrally formed with a rotary plate and the other end fixed to ... 11/23/06 - 20060264287 - Bicycle drive unit of multi pedaling type The present invention relates to a bicycle drive unit of multiple pedaling modes, comprising a drive shaft on one side having a counterclockwise one-way clutch and a clockwise one-way clutch coupled thereto by means of sunk keys and the drive shaft is engaged with a ring gear having an outer ... 11/16/06 - 20060258499 - Rear sprocket for bicycle transmission A bicycle transmission has among other things a rear hub with a freewheel with an outer freewheel body supporting a plurality of sprockets. A chain is shifted between adjacent pairs of the sprockets by a rear derailleur. Each sprocket includes inner attachment portion and a chain engaging portion having annular ... 11/16/06 - 20060258498 - Bicycle chainring A bicycle chainring is formed from a first member and an second member. The first member includes a center rotational axis, a crank attachment portion with a plurality of chainring attachment openings and an annular tooth portion with a plurality of chain engaging gear teeth. The second member disposed around ... 09/14/06 - 20060205549 - Bicycle sprocket A bicycle sprocket basically has a metallic sprocket ring part and a synthetic resin fastening part that is configured to ensure that weight can be reduced and that loss of fastening force resulting from deterioration or deformation of the synthetic resin can be prevented. The metallic sprocket ring part includes ... 07/27/06 - 20060166770 - Gear assembly for a bicycle gear change Gear assembly for a bicycle gear change, comprising at least one gear with a larger diameter and at least one gear with a smaller diameter. The selected gear, generally of a larger diameter, has at least one sector dedicated to upwards shifting that may include a plurality of shifting aid ... 07/13/06 - 20060154767 - Bicycle sprocket tooth with a shift assist radius greater than a reference tooth radius A bicycle sprocket comprises a sprocket body having a first side surface and a second side surface, a plurality of sprocket teeth extending radially outwardly from a root portion of the sprocket body, and a shift assist recess formed in the root portion below a first sprocket tooth at the ... 06/15/06 - 20060128512 - 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 component, and a chain guard. The plurality of sprockets are lined up in the axial ... 06/15/06 - 20060128511 - Bicycle sprocket with a laterally projecting gear change tooth A sprocket comprises a sprocket body and a plurality of sprocket teeth extending radially outwardly from a root portion of the sprocket body. The sprocket body has a first side surface and a second side surface, wherein a root portion side surface of the root portion defines a root portion ... 05/04/06 - 20060094550 - 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 chainring mounting portion coupled to the crankshaft mounting end. The chainring mounting portion has an inner ... 02/23/06 - 20060040776 - 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 molded keys protruding from the hubs faces and threaded bolt holes on both faces, a ... 12/22/05 - 20050282671 - 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 one side of the sprocket. The shift assist projection has an axially facing chain catching surface that faces ... 06/23/05 - 20050137041 - System and method of getting for a bicycle and other pedal-driven vehicles mechanical energy output exceeded muscular energy input due to the gravitational lever Four rotatable and connectable to one gravity mass elements are making up a rotation, where mechanical energy output exceeds muscular energy input. ... 06/02/05 - 20050119080 - Top sprocket for a rear sprocket assembly and rear sprocket assembly for a bicycle A rear sprocket assembly has a plurality of sprockets with the smallest sprocket being a top or first sprocket. At least one of the teeth is a down shift tooth that has a recessed side surface to assist in shifting the chain to the next larger sprocket. Preferably, all of ... ### FreshPatents.com Support |