Class 59/5 - Sprocket chain

Subclass of Class 59 - Chain, staple, and horseshoe making
Definition: Miscellaneous machines and devices employed in the manufacture
No. of patents: 63
Last issue date: 04/03/2012

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Number	Title	Issue Date
8146340	Link chain A bush is pressed into a link plate in a turning link rank that turns relatively with a pin. The bush is molded into a seamless cylindrical shape by cold-forging and is coated with a metal carbide layer formed by cementation of chrome, vanadium and other metals and ...	04/03/2012
7568334	Pin and chain A pin is relatively rotatably fitted into a pin hole formed in an outer link plate of a chain. A plurality of helical grooves are formed on an outer circumferential surface of the pin. A pitch P between adjacent helical grooves in the axial direction is equal to or ...	08/04/2009
7437870	Chain link plate with high strength A chain link plate includes an elliptical plate body having opposite first and second surfaces, and two mounting holes spaced apart from each other in a longitudinal direction of the plate body and extending from the first surface to the second surface. The plate bo...	10/21/2008
7427251	Drive chain for a bicycle A roller chain for bicycles having outer and inner chain links. The outer and inner chain links have outer and inner link plates, respectively. The chain links are joined by tubular pins. The chain links have holes for receiving the tubular pins. The holes have an o...	09/23/2008
7325391	Bicycle chain A bicycle chain has an outer link with two outer link plates, an inner link formed with two inner link plates and a link pin connecting adjacent ones of the together. The link plates are configured to aid in smoothly shifting a chain moves between sprockets. The out...	02/05/2008
7237376	Chain repair system A system for repairing a continuous loop chain includes a plurality of pairs of chain links, each link having a pair of straight, substantially parallel side bars. Each pair of chain links has an outer link having a first width between the outer link side bars, and ...	07/03/2007
7201687	Power transmission chain with ceramic joint components Power transmission chains (10, 40, 60) which are suitable for automotive uses as well as other uses and which have a reduced susceptibility to wear and corrosion, in which such chains (10, 40, 60) are constructed to include a plurality of sets (12, ...	04/10/2007
7168557	Side-flexing conveyor chain having members joined by linkages A side-flexing conveyor chain module includes a first module member having at least two first link ends, a second module member having at least two second link ends, and linkages linking at least one of the first link ends to at least one of the second link ends. Se...	01/30/2007
7117575	Method of manufacturing a link plate In manufacturing a link plate for a roller chain, a band of sheet steel is intermittently forwarded along a path past series of dies, including rough punching dies and shaving dies. The punching dies and corresponding shaving dies are located symmetrically on opposi...	10/10/2006
7063207	Long wear conveyor assembly A chain conveyor assembly having the combination of a polymeric material and a hard diamond-like coating at the frictional interface of the chain links. The conveyor chain preferably includes male and female links connected to one another by connector pins. The shaf...	06/20/2006
7017328	Cable protection and guide device To provide a cable protection and guide device, which suppresses wear powders and can be used without being contaminated even in a clean room or reduced-pressure environment, and in which even if link frame bodies are twisted each other, the mutual connection of the...	03/28/2006
6952916	Multi-link connector A multi-link connector which is particularly suitable for use with a window operator. The multi-link connector includes a plurality of links (12) joined together by a joining arrangement (11). The links (12) include a base (13) and a pair...	10/11/2005
6938732	Chain with pins equipped with lubricating cartridges and cartridge for said chain A chain with links made of plates connected with hollow pins containing a reserve of lubricant connected with the chain parts to be lubricated. The lubricant reserve is contained in replaceable cartridges inserted removably in the pins through an appropriate end pas...	09/06/2005
6782688	Chain with seals having improved characteristics A chain has links made up of pairs of outer and inner plates connected respectively by pins and bushes fitted on the pins and projecting through the inner plates. Between the bush and its pin there is a lubricated interface and on each end of the bush is mounted and...	08/31/2004
6666013	Wear resistant chain A chain which does not generate hydrogen brittleness is formed with components having improved wear resistance. At least one part of the chain, for example a surface, is covered with a diamond-like amorphous carbon coating (DLC). Further, metallic particl...	12/23/2003
6662544	Chain A chain is composed of multiple units each having two outer plates, two inner plates and a pin securely connecting the outer plates to the inner plates. The inner plate has two hollow cones oppositely formed on two sides of the inner plate and two tubes e...	12/16/2003
6658837	Chain The invention relates to a chain that consists of chain members with respective two inner flat links (1) that are parallel with respect to each other and two bushes (2) that are rigidly located between the inner flat links and that link two ends of said l...	12/09/2003
6640534	Chain joint assembly and a method for the manufacture thereof A chain with mutually connected chain links (1, 2) each comprising a back portion and two parallel wall portions protruding substantially perpendicularly therefrom, in which wall portions corresponding rivet holes have been provided in each of the two and...	11/04/2003
6612103	Link plate for a silent chain To provide a type of link plate for a silent chain characterized by the fact that the link plate can be differentiated by appearance from the other link plates. The link plate has a pair of teeth, each of which has an inside flank surface, an outside flan...	09/02/2003
6539699	Transmission chain The link plates, bushes or rollers of a transmission chain are treated so as to produce a surface layer of iron bisulphide. The surface improves the resistance of the chain to wear and also accelerates the running-in process....	04/01/2003
6526740	Chain A chain (CA) comprises a plurality of link units (10), each including a pair of link plates (11) and a connection member (12) placed between the link plates (11) at one end of each link unit (10). The link plates (11) of one link unit (10) are connected e...	03/04/2003
6393820	Chain A chain such as these used in a fork lift truck carriage lifting mechanism has a plurality of interleaved link assemblies each having a pair of outer link plates and a plurality of intermediate link plates. The outer link plate has a strength less than th...	05/28/2002
6330788	Plate chains with wear-resistant chain joints A plate chain comprising outer and inner chain links which are interconnected at joint places formed as slide bearings, with each joint place formed by a sleeve of the inner chain link and by a pin bolt of the outer chain link which rotates in the sleeve ...	12/18/2001
6321523	Chain A chain comprises inner link plates that are each connected to an adjacent outer link plate by means of at least one pin that passes through overlapping portions of the respective links. Outboard of the inner link plates the pin supports a rotary bush wit...	11/27/2001
6311469	Drive chain A drive chain has opposed pairs of inner link plated that are interconnected by cast outer links. Pins pass through aligned apertures in overlapping end portions of the inner and outer links. Each pin is fixed relative to the inner link. The outer link ha...	11/06/2001
6244032	Chain A chain comprises inner and outer links that articulate relative to one another on pins. The outer link having apertures which receive said pin ends in such a way that the links are easily assembled or dismantled. The pin ends have a retention portion tha...	06/12/2001
6223515	Link Chain A link chain having chain links interconnected at respective hinge points by a hinge bolt, at least one bearing bushing arranged on a hinge bolt, at least one roller arranged on said bearing bushing such that it is rotatable about the hinge bolt, and an a...	05/01/2001
6112510	Silent-chain transmission apparatus A silent-chain transmission apparatus includes a silent chain and a sprocket. The silent chain is formed of a plurality of plates, each of which has a pair of link teeth each having an inner crotch and an outer flank. The plates are connected through use ...	09/05/2000
6105356	Drive chain A drive chain has a plurality of links (1) each comprising a pair of opposed cranked link plates (2). Each link plate (2) has two connection apertures (7) and is connected to an adjacent link plate (2) by a pin (6) passing through overlapping connection a...	08/22/2000
5966921	Timing chain with timing marks and method of manufacturing the same In order to provide a timing mark at a specific place on part of a timing chain in a manner in which the quality of the timing chain is maintained, a timing chain 4, made endless by outer plates 1 and inner plates 2 being connected by means of connecting ...	10/19/1999
5950416	Endless tentering chain and inner chain link for such a tentering chain A tentering chain is assembled of inner links and outer links or link plates interconnected by journal pins passing through the outer link plates and through the inner links so that the latter are positioned between the outer link plates. The inner links ...	09/14/1999
5943855	Lubricant retaining chain A chain includes a plurality of link assemblies connected with each other. One of the adjacent link assemblies has a first pair of plates disposed apart in the direction perpendicular to the longitudinal direction of the chain and a pair of hollow cylindr...	08/31/1999
5941059	Silent chain, and rocker pin and plate thereof A silent chain, as well as a rocker pin and a plate of the silent chain, are provided which are capable of enhancing the transmission efficiency, and improving the fatigue strength of the plate to thereby prolong the service life of the silent chain. Rock...	08/24/1999
5865021	Coated roller chain pin The present invention relates to the case hardening, tempering and coating of a medium carbon alloy chain pin. A medium carbon alloy chain pin is provided and is case hardened to a selected radial depth. The case hardened chain pin is quenched and then te...	02/02/1999
5857318	Transmitting chain A transmitting chain is provided which can lower surface pressure between a bushing and a pin, which can well maintain a lubricating state, and which is high in durability so as to be capable of withstanding high load. A groove or a depression, into which...	01/12/1999
5809767	Chain with swelling seal body A chain with a seal body has a swelling seal body arranged between respective inner and outer plates provided on either side on a connecting pin. Any one of a water absorbent, an oil absorbent, and both a water and oil absorbent is contained in the base m...	09/22/1998
5806297	Resin chain having resin-molded reinforcing plates A resin chain is provided which includes a reinforcing plate and a resin portion having a contact surface therebetween such that it is difficult to separate the reinforcing plate from the resin portion at the contact surface. The resin chain includes oute...	09/15/1998
5787700	Sealed chain A sealed chain is provided that traps lubricant and dust electrostatically. The chain includes an inner plate which is penetrated by a bushing and an outer plate which is penetrated by a pin. The inner and outer plates are connected alternatingly. Between...	08/04/1998
5758484	Silent chain with raised link backs A silent chain for power transmission applications wherein the chain is in sliding contact with a chain guide or tensioner. The chain is constructed of some link plates having a higher back than other link plates. In operation, the higher backed links sli...	06/02/1998
5667442	Chain link assembly body A chain link 1 assembly body includes a pre-molded resin sleeve having a uniformly cylindrical inner periphery and a partially convexly contoured outer periphery, a bushing conformed to the shape of the sleeve and inner links each having a bushing press-f...	09/16/1997

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Class 59/5 - Sprocket chain