Matches 1 - 39 out of 39


Match Document Document Title
US20150176692 SPROCKET  
A sprocket may include a sprocket shoulder formed in a hollow cylindrical shape, a plurality of teeth uniformly protruded along an outer circumferential surface of the sprocket shoulder to fit in...
US20130345006 Chainwheel Enabling Positive Rotational Transmission and Reverse Rotational Sliding Features  
The present invention aims at a chain and chainwheel set capable of positive rotational transmission and reverse rotational sliding, in which a novel positive rotational transmission forced...
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...
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...
US20140100069 Chainring  
A solitary chainring of a bicycle front crankset for engaging a drive chain, including a plurality of teeth formed about a periphery of the chainring, the plurality of teeth consisting of an even...
US20130139642 Chainring  
A solitary chainring of a bicycle front crankset for engaging a drive chain, including a plurality of teeth formed about a periphery of the chainring, the plurality of teeth consisting of an even...
US20070042850 Chain drive or return arrangement and chain assembly and sprocket enployed 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...
US20150159732 DRIVE SYSTEM WITH A DRIVE CHAIN GUIDED OVER A SPROCKET  
A drive system with a drive chain which is guided over a sprocket (10), said sprocket having a sequence of teeth (11) arranged on its circumference, and which is composed of a succession of chain...
US20100167857 RESONANCE TENSION REDUCING SPROCKET WITH COMBINED RADIAL VARIATION AND SPROCKET WRAP  
In a chain and sprocket assembly, the order of the sprocket and the wrap angle of the chain are selected such that the resonance tension of the chain and sprocket assembly is minimized.
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...
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...
US20130072334 Sprocket for Rear Wheel of a Bicycle  
The present invention relates to a sprocket for use with a bicycle, the sprocket for use with a multi-sprocket assembly and chain, wherein the sprocket is made from a light but comparatively soft...
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...
US20150198231 BICYCLE SPROCKET  
A bicycle sprocket basically includes a sprocket main body, a plurality of teeth and at least one projecting member. The teeth are disposed along a circumferential direction on a radially outer...
US20060128511 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...
US20070087875 Roller chain automatic transmission  
An automatic transmission comprised of toothed sprocket segments to form varying dual sprocket diameters with parallel shafts to achieve a wide range of ratios using scissor-type linkages to vary...
US20150240932 SPROCKET AND CHAIN TRANSMISSION MECHANISM  
Provided are a sprocket and a chain transmission mechanism configured such that noise and vibrations caused by the elongation of the chain and also wear of parts are reduced, the decrease in the...
US20070270261 Roller chain transmission device  
In a roller chain transmission, the chain has rollers which are tapered from a central region toward their ends, and the teeth of the sprockets in driving and driven relationship with the chain...
US20060135305 Harmonic belt drive  
The present invention is a harmonic belt drive that uniquely combines desirable characteristics of a traditional harmonic drive with those of a traditional belt drive. The harmonic belt drive...
US20100203992 RANDOMIZED CHAIN SPROCKET AND METHOD FOR MAKING A SPROCKET  
A randomized chain sprocket has a set of four tooth gaps having three different tooth gap radial locations, two different link angles, and a chain with constant link pitch.
US20070179002 CONVEYOR WITH ROLLER ON BELT RETURN SPAN  
A conveyor comprises a drive pulley, an idler spaced from the drive pulley, and an endless thermoplastic belt wrapped around the drive pulley and the idler. The endless thermoplastic belt has a...
US20140283665 CHAIN LINK SHARPENING METHOD AND APPARATUS  
Embodiments provide various components of a chain saw, including saw chain elements, sprockets, and other fixtures, that may facilitate sharpening of cutter links during operation. In various...
US20090036244 MECHANICAL SPEED REDUCER BY CHAIN  
The present invention refers to a mechanism for mechanical speed reducer or in some cases for speed increase, in which for each reducing stage there are two sprockets disposed laterally and in...
US20070093334 Support Means System with Drive Pulley and Support Means as well as Elevator Installation with such a Support Means System  
In a support means system a belt-like support means (12.3), which supports a load and which has at least one rib (20.3) or groove with wedge-shaped cross-section extending in the longitudinal...
US20090105024 CHAIN TRANSMISSION  
A hybrid chain comprises outer links composed of link plates connected in side-by-side relationship by two connecting pins fitted to holes in the outer plates, and inner links composed of link...
US20130056164 OPERATION APPARATUS OF SUNLIGHT SHIELDING APPARATUS, LIFTING APPARATUS OF ROLL-UP BLIND AND OPERATION PULLEY  
An operation apparatus of a sunlight shielding apparatus is provided which is equipped with a fail-safe function so as not to hinder behavior of a dweller or the like, and, in usual operation,...
US20120277045 MOTION TRANSMISSION SYSTEM OF A BICYCLE  
A sprocket assembly defining a sprocket assembly width. The assembly has at least eleven sprockets and the sprocket assembly mounts to a bicycle freewheel hub that rotates about a rotation axis...
US20170183060 DRIVE ARRANGEMENT OF A BICYCLE HAVING A MULTI-SPROCKET ARRANGEMENT  
A drive arrangement for a bicycle has a multi-sprocket arrangement for a rear wheel hub of the bicycle. The multi-sprocket arrangement comprises a plurality of sprockets with different diameters,...
US20170146109 SPROCKET WHEEL FOR A BICYCLE DRIVE  
An individual chain wheel for a bicycle front crank arrangement for engaging in a drive chain includes a plurality of teeth formed on a circumference of the chain wheel and having a first and a...
US20170138439 BICYCLE CHAIN AND MOTION TRANSMISSION SYSTEM COMPRISING SUCH A CHAIN  
A bicycle chain having an alternate succession of outer links and inner links connected to each other at respective end portions thereof. Each outer link and inner link comprises two respective...
US20170066500 BICYCLE SPROCKET AND MULTIPLE BICYCLE SPROCKET ASEMBLY  
A bicycle sprocket has a sprocket main body, a plurality of teeth disposed on the sprocket main body, and at least one shifting area. The teeth include at least one first tooth having a first...
US20170030453 ROLLER CHAIN SPROCKET WITH RESILIENT CUSHION RINGS HAVING IMPROVED DURABILITY AND NOISE CHARACTERISTICS  
A roller chain sprocket includes a body with a hub and a row of teeth that extends circumferentially around the hub such that the hub extends axially outward on opposite first and second sides of...
US20160298752 CHAIN RING WITH TEETH OPPOSITELY LATERALLY ENGAGING A DRIVE CHAIN  
A drive system for a vehicle includes a chain ring and a drive chain. The chain ring has a plurality of teeth serially arranged and joined to one another. A first subset of teeth has a first outer...
US20160280326 REAR WHEEL SPROCKET ARRANGEMENT  
A plurality of sprockets which are coaxial with respect to a sprocket rotation axis, are arranged with axial spacing from each other and have different numbers of teeth which are constructed for...
US20160208903 Chainrings with Alternating Tooth Thickness Offset  
A bicycle chainring for engaging a bicycle drive chain has a plurality of teeth formed around its periphery. The plurality of teeth includes a first group of teeth, and a second group of teeth....
US20160185420 Multiple Sprocket Assembly for a Bicycle  
A roller chain based drive train for a bicycle includes a sprocket assembly configured for mounting to a hub of a rear wheel of the bicycle. The sprocket assembly includes a smaller sprocket, a...
US20160165798 SPROCKET ASSEMBLY  
A sprocket assembly comprises a first sprocket (54) which serves as a hub for a larger second sprocket. An annular extension member (70) is secured to the outer periphery of first sprocket (54) to...
US20160121966 CHAINRING  
A bicycle chainring for engagement with a drive chain includes a plurality of teeth extending from a periphery of the chainring wherein roots of the plurality of teeth are disposed adjacent the...
US20160031678 POLYGON COMPENSATION COUPLING SYSTEM FOR CHAIN AND SPROCKET DRIVEN SYSTEMS  
A polygon compensation coupling system (30; 40; 60) comprises a first rotatable element (31; 41; 61), a second rotatable element (32; 42; 62a, 62b), and at least one linkage coupling the first...

Matches 1 - 39 out of 39