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A breech lock coupling comprising a stem receivable in a hose, a ferrule configured to receive the stem and hose, a connector, the ferrule comprising a plurality of ferrule lugs on an inner surface, each ferrule lug separated from an adjacent ferrule lug by a ferrule lug gap, the connector... Gates Corporation
A tensioner comprising a base having a base aperture, the base aperture disposed to receive a driven component, a rotary arm pivotally engaged with the base, an axis of rotation of the rotary arm aligned with a base aperture center, a first pulley journalled to the rotary arm, a swing... Gates Corporation
A tensioner comprising a base, a shaft press fit into the base, a pivot arm journalled to the shaft, the pivot arm having a first frustoconical portion and a frustoconical bushing disposed thereon, a pulley journalled to the pivot arm, a torsion spring engaged between the base and the pivot... Gates Corporation
A belt drive system comprising a belt having a plurality of longitudinally spaced belt teeth, the belt further comprising a longitudinal groove extending in the endless direction of the belt through the belt teeth, a sprocket comprising a plurality of sprocket teeth on an outer circumference of the sprocket, each... Gates Corporation
Electrically conductive power transmission belt
A belt made up of an elastomeric belt body, an electrically conductive tensile cord such as carbon fiber cord in a cord layer reinforcing the belt body, an outer layer of electrically conductive thermoplastic material such as polypropylene film, and an electrically conductive fabric layer residing between the tensile cord... Gates Corporation
An isolating decoupler comprising a shaft, a pulley having a belt bearing portion, a one way clutch, a torsion spring, the torsion spring engaged between the pulley and the one-way clutch, and a single bearing disposed between the shaft and the pulley, the bearing comprising a radial centerline, the radial... Gates Corporation
An isolating decoupler comprising a shaft having an outer surface, a pulley rotationally engaged about the shaft, a torsion spring having a first section having a major diameter and a second section having a minor diameter, the major diameter is greater than the minor diameter, the torsion spring engaged with... Gates Corporation
A crankset for a bicycle comprising a shaft rotationally engaged with a bicycle frame, the shaft having a radially extending flange disposed toward one end, a first crank arm and a second crank arm, and each connected to an opposing end of the shaft and being approximately 180 degrees out... Gates Corporation
A self-locking clutch mechanism comprising a base, an output member journalled to the base, a first spring engaged between the base and the output member, the first spring exerting a first spring force in a first direction, a clutch spring engaged with an intermediate member and frictionally engaged with a... Gates Corporation
Low-permeation flexible fuel hose
A flexible hose or a tubing having a barrier layer of polyamide 6 having an impact modifier, and/or branched molecular structure, a flexural modulus of 1 to 2 GPa and/or a tensile elongation of 100% or more. The hose may have additional layers such as an HNBR rubber inner tube,... Gates Corporation
Carbon nanostructure preblends and their applications
A method for preparing a “preblend” of nano-structured carbon, such as nanotubes, fullerenes, or graphene, and a particulate solid, such as polymer beads, carbon black, graphitic particles or glassy carbon involving wet-mixing and followed by optional drying to remove the liquid medium. The preblend may be in the form of... Gates Corporation
Adhesive treatment for fiber for polymer reinforcement and reinforced products
An aqueous adhesive composition for treating a reinforcing fiber for bonding to a thermosetting polymer matrix and products made therefrom such as power transmission belts. The adhesive composition includes: water as the solvent or dispersing medium; a polyelectrolyte co-curable with the polymer matrix; a primer material compatible with the fiber... Gates Corporation
An isolating decoupler comprising a hub for connection to a shaft, a pulley journalled to the hub, the pulley having a belt engaging surface, a composite spring having a clutch portion, a transition portion and a variable diameter portion, the composite spring engaged between the hub and the pulley, the... Gates Corporation
A tensioner comprising a base, a first pivot arm pivotally engaged to the base, a first pulley journalled to the first pivot arm, a second pivot arm pivotally engaged to the base, a second pulley journalled to the second pivot arm, a flexible tensile member having a toothed engagement with... Gates Corporation
Urethane adhesive cord treatment for power transmission belt and belt
A belt with a tensile cord embedded in an elastomeric body, having an adhesive composition impregnating the cord and coating the fibers. The adhesive composition is the reaction product of a polyisocyanate and a polyol, or a polyurethane prepolymer derived therefrom, and a polyamine curative and optionally additional polyol, and... Gates Corporation
Synchronous belt with tough fabric
A belt having an elastomeric body, a tensile cord embedded therein, and a tooth fabric having an increased value of Fabric Tensile Toughness as defined herein. The Fabric Tensile Toughness may be derived from properties of the yarns making up the fabric, such as yarn linear density, yarn ultimate elongation,... Gates Corporation
This disclosure describes systems and methods which utilize organoclays compounded with zinc acrylates to improve the performance of drive belts. In performing research on organoclays, the inventors created formulations and methods of compatibilizing organoclays with metal salts of α-β-unsaturated organic acids and incorporating the compatibilized organoclays into the belt compound... Gates Corporation
Tensioner with secondary damping
A tensioner comprising a shaft, a base, a pivot arm pivotally engaged with the base, a pulley journalled to the pivot arm, a first spring urging a first damping member into a frictional engagement with the pivot arm, the first spring engaged with the base, the first damping member imparting... Gates Corporation