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| Number | Title | Issue Date |
| 7438179 | Abrasion-resistant hinge rods in modular plastic conveyor belts A modular plastic conveyor belt formed by rows of belt modules connected together at hinge joints by non-circular hinge rods. Each hinge rod has an arcuate outer face that forms a portion of a cylinder and extends circumferentially over a first angle preferably betw... | 10/21/2008 |
| 7357742 | Plate-link chain Rolling surfaces of rocker pressure members of plate-link chains for conical disk transmissions are constructed as freeform surfaces in such a way that their radius of curvature changes in a direction transverse to the longitudinal extent of the rocker pressure memb... | 04/15/2008 |
| 7306532 | Transmission chain Transmission chain constructed from a number of links intercoupled by pivot assemblies, each comprising a first and a second elongated pin of which at least one cooperates with its ends, while transmitting a force, with a pair of pulley sheaves, while during operati... | 12/11/2007 |
| 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 |
| 7056248 | Silent chain A Hybrid Roller/Silent chain that has the wear resistance of a roller chain combined with the noise performance of a silent chain. This is accomplished with the use of bushings that allow increased bearing area for the articulating members of the chain, specifically... | 06/06/2006 |
| 6427433 | Rocker joint pin for chain, and method and apparatus for producing the rocker joint pin A rocker joint pin for use in a chain to articulately interconnect link plates of the chain has a beveled edge at opposite end faces thereof. The beveled edge is formed by forming a V-shaped groove transversely across a surface of a continuous wire and su... | 08/06/2002 |
| 6393819 | Rocker pin and wire stock for producing the same A rocker pin for use in a power transmission chain has an identifying mark for distinguishing the rocker pin from another rocker pin having a different thickness or a different rocker surface. The identifying mark may include a groove, ridge, colored mark... | 05/28/2002 |
| 5176587 | Single pin rocker joint bushing chain A rocker joint is provided which is constructed from the pins and bushings f the links. The pin members have a working front surface and a convex back surface. The bushings have apertures therein which include an arcuate working surface. The pins are dispo... | 01/05/1993 |
| 4986798 | Transmission chain with pivot pins and intermediate pieces with rolling contact action Transmission chain for a cone pulley drive with intercoupled links and pivot pins inserted through link openings, the end surfaces of which cooperate with the cone surfaces, and where between each pivot pin, on the one hand, and the opposite-lying upright... | 01/22/1991 |
| 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 |
| 4704099 | Roller chain for chain drives The invention relates to a roller chain for chain drives, which has a plurality of inner and outer links alternating in tandem. The inner links have at least two inner plates having pairs of pin holes and having pin bearings disposed between the pin holes... | 11/03/1987 |
| 4581001 | Side-bar chain for infinitely variable cone-pulley transmissions A side-bar chain for an infinitely variable cone-pulley transmission which chain includes chain links composed of individual side-bars and joint pieces connecting the links together, with each joint piece being composed of a pair of rocker pieces pushed i... | 04/08/1986 |
