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| Number | Title | Issue Date |
| 7343730 | Investment cast, stainless steel chain link and casting process therefor An investment cast, stainless steel chain link is provided for chains used in water and wastewater treatment. The chain link comprises a pair of spaced apart, elongated sidebars having forward ends and rearward ends. The forward ends are spread apart and are provide... | 03/18/2008 |
| 7334850 | Adaptable traction system of a vehicle A traction system for a vehicle has a support frame that defines a circular track belt support that is revolvable about an axis at its center, a flexible track belt; and a track belt stretching assembly comprising one or more track belt stretching rollers. The syste... | 02/26/2008 |
| 7329198 | Silent chain In a silent chain composed of interleaved rows of link plates held by connecting pins secured to guide plates disposed along the sides of the chain, the guide plates are formed with protrusions, and are deformed so that they exert a spring action on the rows of link... | 02/12/2008 |
| 7246699 | Conveyor chain A section of chain for conveying product along a material handling system includes a pin connecting a center link between two side links. The pin may be dialable or selectably positioned at the side links to control and adjust the wear surface of the pin relative to... | 07/24/2007 |
| 7217208 | Flexible bicycle chain A bicycle chain includes a plurality pairs of outer plates and inner plates. Each pair of the outer plates is connected at two opposite ends to two pairs of the inner plates by connectors connected to the inner plates. Each connector has a rivet extending therethrou... | 05/15/2007 |
| 7214021 | Helical grooved pin A helical grooved pin for insertion into a hole in a hard host material includes a formed portion of helical lands and grooves. Pin material from the grooves is displaced to define lands at an expanded diameter relative to the pin stock material. The forming process... | 05/08/2007 |
| 7211730 | Cable or the like protection and guide device An improved cable or the like protection and guide device in which even if curling, strain and the like exist in a side plate after molding, static electricity can escape and the device can be produced at a reduced cost. In a cable or the like protection and guide d... | 05/01/2007 |
| 7167739 | Assembly of medical examination device and a combination of a frame and a patient table as well as such a combination A medical examination device (1) comprising an examination space (3), a combination of a frame (5) and a patient table (4), and rack (8) which can be driven by a drive (9, 10) to displace a patient on the patient table into ... | 01/23/2007 |
| 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 |
| 7048666 | Silent chain power transmitting apparatus A silent chain power transmitting apparatus has an endless link chain having a plurality of link plates (11A,11B,11C, . . . ) connected together, and sprocket wheels (20). Each of an inside flank (13) and an outside flank (14 | 05/23/2006 |
| 7045705 | Cable protection and guide device A cable protection and guide device which can protect and guide a cable with a simple connection between the movable end jig and the fixed end jig under various mounting configurations is disclosed. A cable protection and guide device in which when said link frame b... | 05/16/2006 |
| 7004474 | Seal for an endless track A seal for an endless track has a cross section having a centerline parallel to an axis of the seal and a configuration symmetric with respect to the centerline of the cross section. The seal can include an elastically deformably configured portion having a cross se... | 02/28/2006 |
| 6997292 | Brake rotor attachment assembly that promotes in plane uniform torque transfer distribution A brake assembly for use on vehicles includes a rotor and a wheel mount, formed as a hat portion, fastened to the rotor with a bobbin assembly. The rotor has a flange formed as a series of spaced tabs, and the bobbin assembly is bolted to the hat portion with the ro... | 02/14/2006 |
| 6978886 | Non-metallic drive chain A drive chain is made up of links injection molded of fiber-reinforced nonmetallic material. The chain links feature pivot bearings molded integrally to the links, which take all loads due to drive tension and relieve the connecting pins of all shear stress. The lin... | 12/27/2005 |
| 6922924 | Plow cutting edge A plow moldboard cutting edge includes a cutting edge blade having a front (leading) face and a rear (trailing) face, with one or more receiving apertures defined therebetween. An elastic bushing is then provided in each of the receiving apertures of the cutting edg... | 08/02/2005 |
| 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 |
| 6749059 | Modular conveyor belt with two-part hinge pin A modular conveyor belt forming a hinge between consecutive belt rows hingedly connected by a two-part hinge pin. Hinge eyes along the forward and rearward ends of each row of belt modules include aligned openings for the hinge pins. The belt rows are arranged end-t... | 06/15/2004 |
| 6666328 | 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 pin... | 12/23/2003 |
| 6443795 | Transmission chain for toys A transmission chain includes a plurality of unitary chain links, each of which has parallel first and second side plates, first and second connecting pins, first and second pivot pins, and first and second pivot seats. The first and second pivot pins of ... | 09/03/2002 |
| 6387002 | Energy feed chain An energy guiding chain is provided for guiding cables and hoses from a fixed location to a movable connection point. It is made of a plurality of chain straps (1a,1b) in a single strand. Each strap has a pair of joint sections with one joint section of e... | 05/14/2002 |
| 6364799 | Quick-connection link, for a bicycle chain A quick-connection link for a bicycle chain, comprises a pair of plates, a pair of tubular articulating pins secured to one of the aforementioned plates, and a pair of quick-coupling pegs that are received in tubular pins and are gripped inside them to pr... | 04/02/2002 |
| 6264579 | Toothed belt with positioning-aiding and position-identifying functions In a toothed belt including at least one positioning-aiding/position-identifying tooth and a large number of driven teeth engageable with a driving toothed pulley, the positioning-aiding/position-identifying tooth is formed in a predetermined positio... | 07/24/2001 |
| 6074318 | Low-noise roller chain having rollers which include elastic member protrusions to prevent collision of the rollers with inner plates A roller chain (10) for reducing noise and vibration generated during engagement of the roller chain with a sprocket. The roller chain (10) has a plurality of inner link assemblies, each including a bushing (12) and inner plates (14) connected together an... | 06/13/2000 |
| 6042271 | Composite bearing structures A link chain comprising a first left side link including an end having therein an aperture, a first right side link laterally spaced from the first left link and including an end having therein an aperture in alignment with the aperture of the first left ... | 03/28/2000 |
| 6004237 | Slide idler for a chain drive A slide idler for a chain drive wherein the idler is provided with easily replaceable and rotatable bushings. The slide idler comprises two elongated members, each elongated member is provided with two inwardly extending polygonal mounting assemblies. Two... | 12/21/1999 |
| 5984816 | Toothed power transmission belt and drive system using the power transmission belt A drive system having a belt with a length and a plurality of teeth spaced regularly along the length of the belt and a first pulley having a plurality of grooves for receiving the belt teeth with the belt and first pulley in operative relationship. The s... | 11/16/1999 |
| 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 |
| 5921880 | Low noise roller chain A low noise chain has a bushing provided with a substantially cylindrical large diameter portion in an outer periphery of a central portion thereof. Inner plates are mounted respectively on opposite ends of the bushing. A hollow thin cylindrical roller, h... | 07/13/1999 |
| 5879257 | Chain having seal with annular sealing projection A chain with a seal includes an elastic seal member, wherein the elastic seal member is held any one of an outer plate or an inner plate of the chain. In this way the elastic seal ember is prevented from falling off of the plate. Additionally the elastic ... | 03/09/1999 |
| 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 |
| 5810688 | Guide chain In the guide chain of the present invention, a plurality of chain members are serially connected. The adjacent chain members are pivotably connected to each other. Each of the chain members is formed into a U-shape by resin molding whereby a long member i... | 09/22/1998 |
| 5806658 | Composite non-metallic and metallic chain for water treatment systems In accordance with the teachings of the present invention, a composite non-metallic and metallic chain for use in a waste water treatment system is provided. The chain includes a plurality of non-metallic chain link barrel connecting elements including ce... | 09/15/1998 |
| 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 |
| 5803852 | Ceramic drive system A ceramic drive system includes highly efficient, light weight, durable, and wear and abrasion resistant sliding and rotating components. In particular, the components of the ceramic drive system has center links, center rollers and sprockets arranged for... | 09/08/1998 |
| 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 |
| 5728023 | Plastic chain, module and sprocket cluster A chain constructed of adjacent modules connected in end to end succeeding relationship serves many chain and drive belt uses, including for use as a chain drive, a cog belt drive, and as a fan belt with V-groove pulleys. The modules are of one or more pa... | 03/17/1998 |
| 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 |
| 5525114 | Resiliently biased endless driven sprocket chain An endless driven sprocket chain (10) includes inner links (24) which couple to outer links (26) through a resilient bushing (50). A pin (42) having a shaft (44) with a hexagonal cross sectional shape mates with a corresponding hole in outer link plates (... | 06/11/1996 |
| 5520585 | Plastic chain, module and sprocket cluster The chain is constructed of plastic modules connected in end to end relationship. It is claimed for all chain uses, including but not limited to use as a drive chain. Each individual module is without moving parts and, in most drive chain applications, ha... | 05/28/1996 |
| 5478277 | Force feeder chain assembly An improved force feeder chain assembly including a force drive chain assembly on a conventional combine harvester apparatus and having a force feed slat assembly mounted thereon. The force feed slat assembly includes a plurality of elongated slat members... | 12/26/1995 |
