| Patents for B21L 9 - Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains (677) |
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| 01/09/2013 | CN102861863A Oil-pressure chain rivet head machine |
| 01/09/2013 | CN102861862A Pin shaft length adjusting mechanism of roller chain pin shaft cutter |
| 01/02/2013 | CN102853048A Driving device for chain connector assembly machine |
| 01/02/2013 | CN102847869A Inner chain piece pressing device of roller chain assembling machine |
| 01/02/2013 | CN102847868A Detecting control system and method for chain connector assembly machine |
| 01/02/2013 | CN102847867A Chain connector assembly machine |
| 01/02/2013 | CN102847866A Halting method of chain joint assembly machine |
| 01/02/2013 | CN102847865A Piece assembly device used for chain assembly |
| 01/02/2013 | CN102847864A Piece assembly method used for chain assembly |
| 01/02/2013 | CN102847863A Rivet head device for performing rolling type quadrangular pressing rivet of four corners on hinge pin of roller chain |
| 01/02/2013 | CN101837426B Continuous punching blank forming method for chain roller of chain |
| 12/19/2012 | CN102829095A Double-pin-shaft structure on transmission mechanism of pipe rolling machine with roller chain |
| 12/19/2012 | CN102825210A Special screening device of shaft sleeve of roller chain |
| 12/12/2012 | CN102814458A Improved chain slice stringing machine feeding drum outer wall |
| 12/12/2012 | CN102814457A Roller chain component screening device with movable screening frame |
| 12/12/2012 | CN102814456A Feeding device for automatic shaft-riveting of transmission chain |
| 11/29/2012 | US20120302385 Welded seam bushing |
| 11/27/2012 | CA2778029A1 Welded seam bushing |
| 11/21/2012 | CN101623860B Articulation pin for pivotally connecting a pair of outer plates to a pair of inner plates of a chain, particularly a bicycle chain |
| 11/15/2012 | DE102011079295A1 Rocker pin for cradle four-bar chain used in continuously variable transmission (CVT) gear box, has end caps that are provided in front side ends of cradle element having free-form cross section |
| 10/16/2012 | US8287056 Lobed bushing for track assembly and track-type machine using same |
| 10/11/2012 | US20120255273 Chain link remover for bicycle |
| 10/03/2012 | CN202461417U Discharge device of chain-sheet string machine |
| 10/03/2012 | CN102699272A Feeding device of pipe screening machine for manufacturing chain |
| 10/03/2012 | CN102699270A Chain and chain piece stringing machine |
| 10/03/2012 | CN102699269A Feeding device for chain and chain piece stringing machine |
| 10/03/2012 | CN102699268A Piece pushing device for chain and chain piece stringing machine |
| 10/03/2012 | CN102699267A Conveying device for chain and chain piece stringing machine |
| 10/03/2012 | CN102699266A Outer diameter screening device for pipe picking machine for manufacturing chains |
| 09/12/2012 | CN202427891U Automatic head exposing and riveting device for engine chain |
| 09/12/2012 | CN202427890U Automatic sorting device for chain pin shafts and sleeves |
| 08/22/2012 | CN202387917U Assembly machine for internal segment of chain |
| 08/22/2012 | CN202387916U Chain inner segment riveting machine |
| 08/15/2012 | CN202377481U Chain assembling machine |
| 08/08/2012 | CN202367146U Conveying device used for chain and chain piece stringing machine |
| 08/08/2012 | CN202367145U Outer diameter screening device for pipe selection machine for manufacturing chain |
| 08/01/2012 | EP2481498A1 Method for assembling power transmitting chain |
| 08/01/2012 | CN102615242A Biserial chain quadrangular riveting machine |
| 07/25/2012 | CN202343852U Feeding device of pipe selecting machine used for manufacturing chains |
| 07/25/2012 | CN202343851U Chain sheet cascade machine |
| 07/25/2012 | CN202343850U Automatic manufacturing system of chain |
| 07/18/2012 | CN102588513A Chain plate having increased press out force and method for making same |
| 07/11/2012 | CN202316901U 一种链条装配模具 A chain that mold assembly |
| 07/11/2012 | CN102574198A Method for assembling power transmitting chain |
| 07/05/2012 | US20120167540 Assembling method for torque transmission chain |
| 07/04/2012 | CN202291222U 一种链条外节专用装配模具 A chain that outer section dedicated mold assembly |
| 07/04/2012 | CN102527917A Assembly jig for pins for power transmission chain |
| 07/04/2012 | CN102527916A Chain-producing equipment |
| 07/04/2012 | CN102527915A Discharging device for chain sheet stringing machine |
| 06/21/2012 | US20120151741 Pivot bearing |
| 06/13/2012 | EP2463042A1 Assembly jig for pins for power transmission chain |
| 06/06/2012 | CN202263887U 一种高效自行车链条加工装置 An efficient bicycle chain processing device |
| 05/30/2012 | CN202239475U Feeding device applied to machine for stringing chain-sheets |
| 05/30/2012 | CN202239474U Piece jacking device for piece bunching machine for chain pieces of chain |
| 05/30/2012 | CN202239473U Tube screening machine for chain manufacturing |
| 05/30/2012 | CN202239472U Buffering device for lower cross beam of chain slivering machine |
| 05/30/2012 | CN202239471U Motor bracket structure of 428H high-speed roller chain assembling machine |
| 05/30/2012 | CN202239470U Pin pre-storing device for double row chain forming machine |
| 05/30/2012 | CN202239469U Automatic manufacturing system of chains |
| 05/30/2012 | CN102476160A 链条的链片成型方法 Links of the chain piece forming method |
| 05/23/2012 | CN202224589U Machining device for outer chain plates |
| 05/16/2012 | CN102451879A Pipe screening machine for chain manufacturing |
| 05/16/2012 | CN102451878A System and method for automatically manufacturing chain |
| 05/16/2012 | CN102451877A Automatic chain manufacturing system and method |
| 05/09/2012 | CN102441637A Electric screening device for roller chain components |
| 05/02/2012 | CN102430697A Pin roll prestoring device of two-row chain slivering machine |
| 05/02/2012 | CN102430696A Automatic scatheless drawing device for metal round link chain |
| 04/12/2012 | US20120088619 Chain plate having increased press out force and method for making same |
| 04/03/2012 | US8146340 Link chain |
| 03/28/2012 | CN102389939A Motor support structure of 428H high-speed roller chain assembly machine |
| 03/01/2012 | WO2012024743A1 Wear crutches for linking members |
| 03/01/2012 | CA2809499A1 Wear crutches for linking members |
| 01/26/2012 | WO2012010225A1 Method for producing link plates |
| 01/25/2012 | EP2409792A1 Method for producing chain links |
| 01/04/2012 | CN102303091A Buffering device of lower cross beam of chain forming machine |
| 12/22/2011 | US20110308227 Method for producing a control chain |
| 11/09/2011 | CN202028737U Piece stringing machine of chain pieces |
| 10/19/2011 | CN101491384B Ball chain and method of manufacturing the same |
| 10/13/2011 | US20110251004 Internal ring sealed chain |
| 09/07/2011 | CN102172769A Chain link connecting machine |
| 09/01/2011 | US20110209457 Device for correcting the alignment of the internal threads of a cartridge bearing for a chainset |
| 08/03/2011 | CN101043977B Grinding apparatus for a pin for use in power transmission chain and manufacture of a pin for use in power transmission chain |
| 07/28/2011 | US20110179761 Chain assembling-disassembling structure |
| 07/21/2011 | US20110177899 Hybrid bushed-silent chain |
| 07/20/2011 | CN101676049B Pintle chain automatic assembly machine |
| 06/22/2011 | CN101027145B Manufacturing method for power transmission chain and pin holding tool |
| 05/18/2011 | CN201832947U Outer-segment punch head used for chain assembly machine |
| 05/17/2011 | US7942766 Apparatus and method for stretching the links of a transmission chain while surpassing the limit of elasticity thereof |
| 05/04/2011 | CN201815625U Assembly line for producing and packaging chains |
| 04/20/2011 | CN101708572B Assembly machine for chain joint pieces |
| 03/31/2011 | WO2011037141A1 Method for assembling power transmitting chain |
| 02/23/2011 | CN201751048U Quadrangle head riveting machine of chain |
| 01/27/2011 | US20110016843 Vehicle chain repair device |
| 12/22/2010 | CN101920309A Full automatic double-hook machine |
| 12/09/2010 | US20100307126 Tool for extracting and inserting pins of roller chains |
| 12/08/2010 | CN101909812A Method for press-fitting member and press-fit device |
| 12/01/2010 | CN101903683A Plate for a rocker joint chain |
| 12/01/2010 | CN101903682A Plate for a rocker joint chain |
| 11/10/2010 | CN101396719B Outer plate post positioning baffle of chain assembly machine |
| 10/13/2010 | CN101412072B Device for automatically arranging chain-sheet of chain |