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| Number | Title | Issue Date |
| 7972233 | Bearing roller chain A bearing roller chain which is sealed by a seal mechanism which prevents entry of foreign substances from the outside and leakage of lubricating oil leakage from the inside to the outside, resulting in an improvement in wear resistance of the bearing roller and avo... | 07/05/2011 |
| 7442139 | Conveyance system In a slat conveyor, slats for supporting conveyed articles and personnel extend between two side-by-side, spaced, endless roller chains engaged with driving sprockets at one end of the conveying path and driven sprockets at the other end. At a location radially outw... | 10/28/2008 |
| 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 |
| 7281627 | Forged chain link assembly The forged chain link assembly comprises a forged chain link having a male end and a female end which cooperates with an opposite end of an adjacent link to form a chain, each end having a bore therein which cooperates with a bore in the opposite end of an adjacent ... | 10/16/2007 |
| 6782687 | Roller chain A roller chain for moving a web of textile material in a tenter frame. The roller chain has inner members flexibly joined to outer members in an alternating manner with a sleeve and a bolt. A running roller having an inner ring; an outer ring and sealing rings formi... | 08/31/2004 |
| 6685588 | Chain incorporating rolling bodies In a roller chain in which a plurality of rolling bodies is disposed between a roller and a bushing, between a bushing and a pin, or between a roller and a pin, the rolling bodies include at least one carbon-impregnated ceramic rolling body, or at least o... | 02/03/2004 |
| 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 |
| 6527106 | Roller for chain and chain equipped with the roller A roller adapted to be rotatably mounted on a bushing of each link assembly of a chain comprises a split roller composed of two roller segments assembled together. The split roller can be easily mounted on the bushing from a radial direction of the bushin... | 03/04/2003 |
| 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 |
| 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 |
| 6213904 | Low-noise chain having bushings and rollers with matching curved surfaces to keep fluid disposed therebetween A low-noise chain member comprises a bushing, a roller and oil grooves in which a wedge or squeeze effect of a lubricating oil, which is interposed between the bushing and the roller, is effective in reducing noise. The oil grooves are provided on at leas... | 04/10/2001 |
| 6190278 | Double strand roller chain with phased or offset pins A power transmission roller chain includes pin links having pins spaced by one pitch and connected to each other by plates, and bushing links or "blocks" having bushings spaced apart from each other and rigidly connected to each other by plates. Two succe... | 02/20/2001 |
| 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 |
| 6036614 | Sprocket tooth with complex profile joining proximal and distal tooth portions In a roller chain sprocket for a chain drive, the profile of each tooth comprises a proximal portion (AB), an intermediate portion (BC) and optionally a distal portion (CD). The proximal portion (AB) is shaped like an arc of a circle with a radius (r) at ... | 03/14/2000 |
| 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 |
| 5938554 | Roller chain link plate profile A link plate for a roller chain has material added to the location on the link plate face where fatigue failure is most likely to occur in order to increase the fatigue strength of the link plate. This location is within a sector defined by a line extendi... | 08/17/1999 |
| 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 |
| 5741196 | Transmission chain particularly for a bicycle A transmission chain, particularly for a bicycle, has inner links alternated to outer links. The inner and outer links are constituted by pairs of plates articulated to each other by means of pins. The plates of the inner links have their outer surfaces w... | 04/21/1998 |
| 5562558 | Chain A chain for use in transmission and transportation with low friction, less wear, and low noises. The chain has central portions directly in engagement with a sprocket tooth face. Each of a number of pins is supported by rolling bearings attached individua... | 10/08/1996 |
| 5468376 | Pressure sealed chain A sealed roller assembly (10) for hingeably connecting pairs of link plates (34) to form a chain (11), comprises a roller (12), a bushing (14) rotably mounted inside the roller (12), and a pin (16) rotably mounted inside the bushing (14). One pair of link... | 11/21/1995 |
| 5462495 | Roller belt arrangement for caterpillar track-type vehicles A roller belt arrangement for a caterpillar track-type vehicle, especially a snowmobile. The arrangement has one or more inextensible belts that extend parallel to one another and to which transversely extending drivers or grippers are secured with the ai... | 10/31/1995 |
| 5437148 | Improvement in roller chains A chain including a plurality of pairs of inner and outer link plates interconnected by pivot pins extending through aligned apertures in the inner and outer link plates. A roller surrounds each pivot pin between the inner link plates. The roller is integ... | 08/01/1995 |
| 5236080 | Bushing liner for a bushing of an endless chain of a textile machine traveling web transport assembly A bushing liner is provided for a bushing of an endless chain of a textile machine traveling web transport assembly of the type which supports a web in tension during transport of the web through a textile handling process such as, for example, a web dryi... | 08/17/1993 |
| 5203746 | Telescoping mast assembly Link-type chain assemblies are disclosed comprising alternating, laterally spaced pairs of inner and outer link plates having overlapping ends pivotally interconnected by rollers between the inner link plates at the overlapping ends. Mounting flanges exte... | 04/20/1993 |
| 5092822 | Low-noise chain and chain power transmission apparatus using the low-noise chain A low-noise chain preventing a roller or a bushing from contacting a bottom portion of a sprocket thus reducing impact noise. The low-noise chain includes pairs of inner link plates and pairs of outer link plates alternately lined up with each other, each... | 03/03/1992 |
| 5077965 | Conveyor chain for textile processing machines The present invention provides a conveyor chain for textile processing machines in which a lubricant supply is safeguarded at all times in the event of maximum mechanical stressing. The conveyor chain is connected to a center clip body 1 by a pin 2, the p... | 01/07/1992 |
| 4795408 | Roller chain A roller chain having a thrust ring between a roller and a link plate for sustaining the transverse load, in which a thrust ring is made of bearing materials and has a sealing part in order to be put into the hole part formed on the end face of the roller... | 01/03/1989 |
| 4766997 | Bearing for a conveyor chain A chain conveyor system includes a plurality of interconnected links. The links include first barrel portions connected to engage and be driven by a mechanical drive mechanism including a sprocket wheel. Removable high wear preformed coiled bands having f... | 08/30/1988 |
| 4729754 | Sealed bushing joint for chain A chain link assembly comprises a pair of inner sidebar portions, each defining an aperture and having innermost and outermost surfaces. A hollow bushing is secured to the pair of inner sidebar portions. The bushing includes a central portion which extend... | 03/08/1988 |
| 4620844 | Tenter chain A tenter chain has been provided wherein a lubricating apparatus includes means for preventing the accumulation of old grease with the introduction of same on a subsequent lubricating operation as a result of the insertion of the elongated nozzle of a gre... | 11/04/1986 |
| 4293067 | Conveyor assembly for a wrapping machine A longitudinally, self-adjustable linking element is used to form a conveyor assembly for moving an article along a path. The linking element has two end sections, bearings mounted at each end section, and coupling elements for connecting the end sections... | 10/06/1981 |
