| 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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| 10/06/2010 | EP2236242A1 Method for press-fitting member and press-fit device |
| 09/22/2010 | CN201589764U Missing component detection device for chain pin shafts |
| 09/22/2010 | CN101837426A Continuous punching blank forming method for chain roller of chain |
| 08/25/2010 | CN201558932U Cushioning device for main shaft of chain slivering machine |
| 07/28/2010 | CN101786138A Automatic production line for automobile chains |
| 07/20/2010 | US7757473 Manufacture method of power transmission chain and a power-transmission-chain manufacturing apparatus employed by the manufacture method |
| 07/14/2010 | CN101357392B Link-plate continuous automatic molding device |
| 07/06/2010 | US7749119 Device and method for inserting an articulation pin for a chain particularly for bicycles |
| 06/17/2010 | US20100148575 Link and link assembly for track-type machine |
| 06/03/2010 | US20100137088 Transmission chain |
| 05/26/2010 | CN101027146B Power transmission chain manufacturing method, and power transmission chain manufacturing device used therefor |
| 05/19/2010 | CN101708572A Assembly machine for chain joint pieces |
| 03/25/2010 | DE102008044945A1 Chain, particularly toothed chain for use as drive unit in traction mechanism gearbox of motor vehicle engine, has multiple chain links made of metallic plates, which comprise two openings arranged at distance from each other |
| 03/24/2010 | CN201427176Y Full-automatic double hook machine |
| 03/24/2010 | CN101676049A Pintle chain automatic assembly machine |
| 01/13/2010 | CN101623860A Articulation pin for pivotally connecting a pair of outer plates to a pair of inner plates of a chain, particularly a bicycle chain |
| 12/30/2009 | CN100574930C Pin link plate sheeting device of high speed roller chain assembling machine |
| 11/25/2009 | CN201350491Y Tooth cutting stamping die of tooth-shaped surface of tooth-shaped chain plate |
| 11/17/2009 | US7617668 Method of producing power transmission chain and press-fitting apparatus used in said method |
| 11/11/2009 | CN100558484C Machine for stringing chain-sheets |
| 10/21/2009 | EP2110577A1 Articulating pin for bicycle chains and relative chain |
| 10/21/2009 | CN100551580C Method for optoelectronic identifying for chain sleeve seam as well as its apparatus |
| 10/15/2009 | US20090258742 Articulating pin for bicycle chains and relative chain |
| 10/15/2009 | US20090255229 Chain disconnecting and connecting tool |
| 09/30/2009 | CN201316787Y Automatic piece arranging device for chains and chain pieces |
| 09/16/2009 | CN100540176C Method and device for making chain |
| 08/26/2009 | CN201295735Y Chain pre-tension device |
| 08/26/2009 | CN201295734Y Bearing protective sleeve for high speed chain assembly machine |
| 08/05/2009 | EP2085643A1 Method and device for producing member to be wound, device for measuring circumferential length of member to be wound, and device for applying pretension |
| 08/05/2009 | CN201283410Y Automatic assembling machine of pintle chain |
| 08/04/2009 | US7568334 Pin and chain |
| 07/29/2009 | CN201279570Y Outer plate back oriented stop of chain assembling device |
| 07/23/2009 | US20090183489 Method and apparatus for installing and tensioning track assemblies on skid steer loaders |
| 07/21/2009 | US7562518 Fluid activated connecting pin removal tool |
| 07/21/2009 | CA2461062C Method and device for assembling an endless chain, in particular a transmission chain |
| 07/15/2009 | EP1877208B1 Method and device for producing a chain |
| 07/14/2009 | US7559190 Chain link and chain sleeve of a chain, and method for producing a chain sleeve |
| 07/02/2009 | WO2009081948A1 Method for press-fitting member and press-fit device |
| 06/25/2009 | WO2009076931A1 Link for an inverted tooth chain |
| 06/25/2009 | WO2009076924A1 Link for an inverted tooth chain |
| 06/17/2009 | CN201257493Y Automatic punching-extruding processing device of bend chain plate hole |
| 06/16/2009 | US7546725 Silent chain |
| 06/03/2009 | CN201249251Y Outer chain board tabletting device of a high-speed roller chain assembler |
| 05/27/2009 | CN201244656Y Machine for stringing chain-sheets |
| 05/26/2009 | CA2384323C Joint assembly to resist galling |
| 04/30/2009 | US20090107805 Side-flexing conveyor chain with pivoting slats and related methods |
| 04/22/2009 | CN201223920Y Chain-plate continuous automatic molding machine |
| 04/22/2009 | CN101412072A Device for automatically arranging chain-sheet of chain |
| 04/15/2009 | EP2047139A1 Chain for driving a component |
| 04/15/2009 | CN101406926A Bearing protecting jacket of high-speed chain assembly machine |
| 04/14/2009 | CA2327224C Method and apparatus for retaining a track chain joint |
| 04/01/2009 | CN101396719A Outer plate post positioning baffle of chain assembly machine |
| 04/01/2009 | CN101396718A Outer plate pelletizer of high-speed roller chain assembly machine |
| 03/25/2009 | EP2038077A1 Method and tool for fastening the connecting plates of a chain, using connecting links |
| 03/12/2009 | US20090069137 Transmission chain |
| 03/12/2009 | US20090064652 Method of making bushing with blind grooves used as oil reservoir for chain |
| 03/04/2009 | EP2029299A1 Easy-to-assemble flat link chain |
| 02/19/2009 | US20090048047 Silent Chain and Manufacturing Method of the Same |
| 02/10/2009 | CA2427458C Method and apparatus for retaining a track chain joint |
| 02/04/2009 | CN101357392A Link-plate continuous automatic molding device |
| 01/28/2009 | CN101352749A Machine for stringing chain-sheets |
| 01/06/2009 | US7472538 Method for producing rollers and sleeves for chains |
| 12/18/2008 | US20080307767 Roller Chain |
| 12/17/2008 | CN201164879Y Automatic sheet punching apparatus |
| 12/11/2008 | US20080304777 Conveyor chain having a low friction liner |
| 12/03/2008 | CN100439031C Method for producing articulated chain |
| 11/19/2008 | CN100434206C Automatic thermal riveting method and automatic thermal riveting machine for chain pin shaft |
| 11/12/2008 | CN201147819Y Chain joint group and auxiliary tool thereof |
| 10/28/2008 | US7441396 Manufacture method of power transmission chain and pin-retainer jig |
| 10/22/2008 | EP1810783B1 Grinding apparatus and manufacturing method for power transmission chain pin |
| 10/15/2008 | EP1980642A1 Sliding part |
| 09/23/2008 | US7427251 Drive chain for a bicycle |
| 09/10/2008 | CN201111451Y High frequency induction heating swaging die riveting device |
| 08/14/2008 | US20080194367 Shaved tooth plate |
| 08/13/2008 | EP1956268A2 Recut toothed chain plate |
| 08/06/2008 | EP1953414A2 Power transmission chain pin and manufacture method thereof |
| 08/06/2008 | EP1952907A1 Method of producing power transmission chain and press-fitting apparatus used in said method |
| 07/30/2008 | EP1949986A1 Method of manufacturing a power transmission chain and pretension load device used therein |
| 07/09/2008 | CN100400193C Automatic assembling mechanism for middle piece of roller chain |
| 06/19/2008 | DE202007002046U1 Nachgeschnittene Zahnlasche Re-grooved tooth plate |
| 05/08/2008 | WO2008053773A1 Method and device for producing member to be wound, device for measuring circumferential length of member to be wound, and device for applying pretension |
| 04/30/2008 | CN201052573Y Chain assembly machine |
| 04/23/2008 | CN101166591A Method and device for making chain |
| 04/16/2008 | CN101161368A Method for optoelectronic identifying chain sleeve piece as well as its apparatus |
| 04/09/2008 | CN201044931Y Fine stamping die |
| 04/03/2008 | US20080078158 Roller Element |
| 03/27/2008 | US20080072563 Method for producing rollers and sleeves for chains |
| 02/28/2008 | US20080047254 Chain link and chain sleeve of a chain, and method for producing a chain sleeve |
| 02/28/2008 | US20080047253 Method for making a chain |
| 02/28/2008 | US20080047252 Method for detecting a plate type for a chain |
| 02/14/2008 | WO2008017257A1 A bended link plate and the method to making thereof |
| 01/24/2008 | WO2008009259A1 Chain for driving a component |
| 01/24/2008 | WO2008009255A1 Method for assembling chains |
| 01/24/2008 | WO2008009253A1 Method for identifying a plate type in a chain |
| 01/24/2008 | WO2008009252A1 Method for marking a chain |
| 01/24/2008 | US20080016839 Chain and method for assembling a chain |
| 01/16/2008 | EP1877208A1 Method and device for producing a chain |
| 01/03/2008 | WO2008000210A1 Method and tool for fastening the connecting plates of a chain, using connecting links |
| 12/27/2007 | WO2007147519A1 Easy-to-assemble flat link chain |
| 12/20/2007 | US20070289284 Manufacture Method of Power Transmission Chain and Pin-Retainer Jig |