Matches 1 - 50 out of 158 1 2 3 4 >


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US20150094179 BICYCLE SPROCKET  
A bicycle sprocket comprises a sprocket member. The sprocket member includes an annular base portion, sprocket teeth, and a closed tooth opening. The sprocket teeth are configured to protrude...
US20110300978 TIMING PULLEY  
There is provided a timing pulley whose noise is low, which is light-weight, whose pulley structure is simple and which excels in workability. The timing pulley comprises a cylindrical timing hub...
US20150226306 SPROCKET  
A sprocket includes first teeth having a first maximum width, and second teeth having a second maximum width greater than the first maximum width alternately arranged with the first teeth. The...
US20150226308 SPROCKET  
A sprocket includes first teeth having a first maximum width, and second teeth having a second maximum width greater than the first maximum width alternately arranged with the first teeth. The...
US20150226307 SPROCKET  
A sprocket includes first teeth having a first maximum width, and second teeth having a second maximum width greater than the first maximum width alternately arranged with the first teeth. The...
US20150226305 SPROCKET  
A sprocket includes first teeth having a first maximum width, and second teeth having a second maximum width greater than the first maximum width alternately arranged with the first teeth. The...
US20140027247 CONVEYOR SPROCKET ASSEMBLY  
A conveyor sprocket assembly generally includes a support shaft, at least one conveyor sprocket slidably engaging the support shaft, and an abutment stop positioned adjacent the conveyor sprocket....
US20150018150 LAMINATED SPROCKET ASSEMBLY  
A laminated sprocket assembly is provided formed of a plurality of layers that are connected together. Each of the layers is a stamped sheet metal layer having a plurality of spaced apart teeth...
US20140206486 RADIALLY, AXIALLY, AND TORSIONALLY COMPLIANT SPROCKET  
A radially, axially, and torsionally compliant sprocket includes a rim including teeth thereon, a hub within the rim including a central bore, and a compliant open cell structure extending between...
US20090321151 TRACK SYSTEM WITH ADJUSTABLE WIDTH  
This invention generally relates to track systems and traction assemblies for use as wheel replacement for wheeled vehicles. The track system uses a traction band disposed about a sprocket wheel,...
US20110312457 Sprockets Made of Two Materials with Half Holes on the Edge of Central Portion  
The present sprocket wheel invention enhances the efficiency of the sprockets made of two materials, e.g., a lighter material at central portion of the sprocket and a hard material at peripheral...
US20140342864 CHAIN DRUM LOCKING MECHANISM FOR MANUAL ROLLING DOOR OPERATOR  
A stationary base plate, a chain drum locking mechanism and a reducer mechanism are provided for a manual rolling door operator, in which the reducer mechanism has an output shaft and the chain...
US20070249443 CHAIN STABILIZING DEVICE IN HYPERTHERMO-THERAPEUTIC APPARATUS AND METHOD OF USING THE SAME  
The present invention relates to a chain stabilizing device in a hyperthermo-therapeutic apparatus and a method of using the same. Instead of a conventional feeding means with a complicated...
US20120172165 Bicycle Power Train Cogs  
A debris venting cog particularly useful for belt driven bicycle power train systems. The cog includes an outer circumferential surface that is shaped to drivingly interact with a flexible drive...
US20130345005 Anti-Detachment Chainwheel having Forced Recessed Face at Chain Tooth Root Portion  
The present invention provides a novel anti-detachment chainwheel having forced recessed face at chain tooth root portion, in which a chain roller (110) sleeved on a chain connecting pivot shaft...
US20080153645 CHAIN WHEEL  
The invention provides a chain wheel part comprising a centre about which the part is adapted to rotate in use, and a plurality of chain link receiving pockets. Each pocket is shaped such that a...
US20110281992 TOP COAT PAINT, CORROSION RESISTANT SURFACE-TREATED CHAIN AND CORROSION RESISTANT SURFACE-TREATED SPROCKET  
The roller chain comprises inner link plates, a bush, outer link plates, a connecting pin, and a roller. Each of the chain components has a zinc-iron alloy ground film formed on an iron-based base...
US20100227720 SPROCKET RANDOMIZATION FOR ENHANCED NVH CONTROL  
A sprocket includes a plurality of teeth along the outer circumference of the sprocket, where the teeth include at least a first tooth variant with a first involute length between a root and a tip...
US20060172841 Driving crown for chain conveyors  
Designed to immobilise the chain conveyor to ensure that it does not move transversally, and to make it easier to clean it, the main characteristics being that each one of its cogs (3) is...
US20080234084 WHEEL WITH FLOATING SLEEVE  
A wheel, such as a pulley or a sprocket, includes a hub and a sleeve. The hub has an outer surface with a plurality of substantially axially aligned teeth. The sleeve has: (a) an inner surface...
US20110193431 MOTOR PULLEY  
A motor pulley minimizes an influence of a resonance phenomenon, thereby reducing noise and vibrations and preventing lowering of durability.
US20070087880 Sprocket tooth profile for a roller or bush chain  
An improved sprocket profile for engaging a roller or bush chain smoothly and preventing radial impact with the root of the tooth during engagement. Contact between the sprocket teeth and the...
US20090275434 CHAIN WHEEL AND TIMING CHAIN DRIVE FOR THE COMPENSATION OF DYNAMIC LOADS  
The invention relates to a chain wheel (2, 3), especially for a timing chain drive, with a rotary shaft, a sprocket wheel (7) positioned around the rotary shaft featuring multiple alternating...
US20120065012 CHAIN DRIVE OR RETURN ARRANGEMENT AND CHAIN ASSEMBLY AND SPROCKET EMPLOYED THEREIN  
Chain return arrangement and sprocket and chain assembly employed therein with the bow flanks of the horizontal chain links (1) of the chain assembly (10) exhibiting a concave trough at least...
US20080261738 CHAIN TRANSMISSION SYSTEM  
A chain transmission system having a drive sprocket, a driven sprocket, a chain having a front side engaging teeth on the drive sprocket and teeth on the driven sprocket, and a rotary wheel having...
US20100081530 SLEEVED SPROCKET TEETH  
A gear with a solid metal sleeve for its outer tooth profile is provided. The gear additionally has an inner body of sintered powder metal.
US20060052196 Chain storage unit for products and means to reduce chanin vibrations  
A storage unit for temporary storage of products is described, including at least one flexible member (55), provided with supports (57) for said products, extending and moving along a path defined...
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...
US20130059689 CUSHIONING STRUCTURE FOR A SPROCKET  
To reduce operating noise and further improve durability in a cushioning structure for a sprocket used in a roller chain or bush chain. MEANS OF RESOLUTION Annular first and second cushion rings...
US20150239528 ALTERNATING TOOTH CHAIN RING  
The present disclosure relates to a chain ring having teeth positioned in one of three lateral positions. At least one tooth may be placed in each lateral position. At least half the teeth may be...
US20070111833 Roller chain sprocket having an improved tooth form and metal cushion rings  
A cushion ring sprocket assembly and chain drive system are designed to prevent roller-to-root radial contact. Hard contact between the chain link plates and the cushion rings, and corresponding...
US20100160098 CHAIN DRIVING SYSTEM  
In a timing chain driving system, the tooth pitch of a driven sprocket from which a tension span of the chain travels toward a driving sprocket varies cyclically around the circumference of the...
US20050064972 [Three Piece Timing Pulley Assembly containing one Inner Positive Drive Hubless and Flangeless Timing Pulley and two Outer Driven, Positive Drive, and Synchronized Timing Pulleys]  
This hybrid pulley assembly is comprised of two outer driven synchronized timing pulleys and a centerpiece inner driver timing pulley. This pulley assembly operates in such a manner where the...
US20140243133 Cantilevered Boom Sprocket  
A trencher boom sprocket having a hub body rotatable at an engagement point by the shaft, a plurality of teeth supported on the hub body, an excluder ring supported within the hub body on the...
US20100069187 INVERTED TOOTH CHAIN AND SPROCKET DRIVE SYSTEM WITH REDUCED MESHING IMPACT  
An inverted tooth chain drive system defines a meshing contact angle Tau (τ) between the tangent line TL and an initial contact reference line that passes through a controlling pin center and the...
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,...
US20070054768 Sintered sprocket with protrusions  
A sintered sprocket is formed with protrusions on both sides, arranged along a tooth gap bottom circle and centered on every second tooth. These protrusions engage the outer plates of a roller...
US20050020395 Low fit nose sprocket and cutting chain  
An apparatus is provided for guide bars used in cutting operations, and more particularly to prolonging the life of the nose sprocket and/or reducing the tendency of guide bar separation in the...
US20130109519 Sprocket and Chain Transmission  
A sprocket comprises a set of standard sprocket teeth, each having a first face width and capable of entry between the inner link plates of a transmission chain and engaging sprocket...
US20060211529 Ovoid chainrings for optimising conventional pedaling  
Improvement in the design of variable original radius chainrings for coupling to conventional bicycle cranks in order to apply traction, which primarily consists of its being provided with a...
US20070087878 Standard sprocket for chain  
In a chain transmission incorporating a standard roller chain, the diameter of the tooth gap bottom circle of a sprocket in mesh with the chain, is greater than the diameter of the tooth gap...
US20070072715 Chain drive  
A chain drive in an internal combustion engine, with at least two shafts having at least one chain wheel each, wherein at least one chain wheel is formed of a toothed ring and a hub element, which...
US20090042679 ASSEMBLY OF TOOTHED WHEELS FOR A BICYCLE  
An assembly of toothed wheels of a bicycle has at least two toothed wheels of different diameter and at least one support member of at least one toothed wheel of the at least two toothed wheels on...
US20140090921 NYLON RESIN DRIVEN PULLEY  
A torque transmitting assembly is provided. The assembly includes a ball nut having an outer diameter and keyway slot therein, and a pulley positioned on the ball nut. The pulley includes a...
US20060154767 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...
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...
US20070049436 BICYCLE SPROCKET APPARATUS WITH REINFORCEMENT BETWEEN SPROCKETS  
A bicycle sprocket apparatus comprises a sprocket support, a first sprocket coupled to the sprocket support at a plurality of circumferentially spaced first sprocket mounting locations, a second...
US20100151978 Tension-Reducing Random Sprocket  
A sprocket is provided having a plurality of teeth around its circumference. Adjacent teeth are separated by roots each having a root radius defined as the distance between the center of the...
US20150141183 SPROCKET ASSEMBLY INCLUDING TEETH HAVING AN ENLARGED PROFILE  
A chain and sprocket drive system that includes an inverted tooth chain assembly configured to mesh with a laminated sprocket assembly is provided. The inverted tooth chain assembly includes a...
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...

Matches 1 - 50 out of 158 1 2 3 4 >