Abstract: Transmission chain for a cone pulley transmission with links, coupled by pins, engaging the cone pulley surfaces, and by elongate each link accommodating, non-rotatable with respect to it, a pin and, in the longitudinal dimension of the link at a distance therefrom an interpiece; each pin cooperating with an opposite interpiece and with; in each link, adjacent each active side surface of a pin and an interpiece respectively sufficient free space to accommodate an interpiece or pin respectively, which is coupled to an adjacent link, during its movement, and with adjacent sets of links mutually coupled in the longitudinal direction of the transmission chain in that one pin in a first link co-operates with a rolling contact movement with an interpiece in an adjacent, staggered link.

Abstract: A power transmission chain in which round pins are inserted in link apertures with D-shaped cross-section and a bushing of U-shaped cross-section. The bushing can be formed of several different shapes in order to decrease the wear between the pins and the associated link apertures.

Abstract: 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-fitted hole for fitting around the ends of the bushing. The method includes the step of providing an engineering plastic resin sleeve and a bushing. The sleeve is pre-molded to have a uniformly cylindrical inner periphery and an outer periphery having a convex contour for a central portion of the sleeve and uniformly cylindrical contours for the opposed ends of the sleeve. The bushing is originally uniformly cylindrical prior to its ends being press-fitted into bushing press-fitted holes of inner links.

Abstract: A rocker joint for a power transmission chain constructed of an assembly of links and pivot members including a chain assembly having a plurality of sets of links interleaved with other sets of links. Each link has end portions and a central body portion and a pair of spaced apertures each spaced aperture defining a boundary. The pivot members include a pair of pins, each pin having a circular arc rocker surface, a circular arc seat surface opposite to the rocker surface and concentric with the rocker surface and a pair of side surfaces connecting the rocker surface and the seat surface. The pin side surface includes a circular arc having its center located outside the pin. Each aperture has a circular arc support surface located toward the end portion of the link. The aperture circular arc support surface engages the seat surface of one of the pins.

Abstract: A rocker joint for a power transmission chain is formed from a single pin and an associated link aperture. The pin has a substantially flat front surface and a convex back surface, with the back surface being defined by a plurality of radii. The pin is received in the aperture of the link such that the front surface of the pin engages and rocks on the curved surface of the link aperture. The back surface of the pin is movable in the aperture of the links as the surfaces move relative to one another when the chain articulates.

Abstract: A rocker joint for a power transmission chain is formed from a single pin and an associated link aperture. The pin has a substantially flat front surface and a convex back surface, with the back surface being defined by a plurality of radii. The pin is received in the aperture of the link such that the front surface of the pin engages and rocks on the curved surface of the link aperture. The back surface of the pin is movable in the aperture of the links as the surfaces move relative to one another when the chain articulates.

Abstract: A rocker joint for a power transmission chain is formed from a single pin d an associated link aperture. The pin has a substantially flat front surface and a convex back surface, with the back surface being defined by a plurality of radii. The pin is received in the aperture of the link such that the front surface of the pin engages and rocks on the curved surface of the link aperture. The back surface of the pin is movable in the aperture of the links as the surfaces move relative to one another when the chain articulates.

Abstract: 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 disposed in the apertures of the bushings such that the pin member working surface engages and rocks on the curved surface defined by the aperture of the bushing. The rocker joint has application to roller chain and silent bushing chain.

Abstract: A silent chain comprising link plates each having a pair of meshing teeth adapted to mesh with a sprocket tooth, and a pair of connection pin insert holes through each of the link plates adjacent opposite ends thereof. A pair of long and short connection pins are inserted into each of the insert holes. The long connection pin has opposite ends secured within holes formed in guide plates disposed adjacent opposite sides of an array of link plates, which guide plates prevent disengagement from the sprocket teeth. The rigidity of the guide link with respect to transmission of tension along the chain is about one-half the rigidity of the meshing link plate.

Abstract: The chain for pressing a plurality of annular segments against a pipeline includes a plurality of links which are interconnected by pivot pins. At least some of the pivot pins are provided with eccentrics which are disposed within the inner links so that upon turning of a pivot pin using a suitable tool, the tension on the chain can be adjusted. Nuts are rigidly secured at the ends of the pivot pins carrying the eccentrics to facilitate turning of these pivot pins.

Abstract: A transmission chain comprising links and hinge pins extending through link apertures an intermediate member being received between each hinge pin and the opposite aperture sides of a plurality of adjacent links, the length of the intermediate member being equal to or somewhat less than the length of the hinge pin a limited displacement thereof in the longitudinal direction being possible.

Abstract: A conveyor of the endless chain type passing around two or more sprockets provided with means for compensating for the chordal action which ordinarily occurs as a chain passes around its associated sprocket. The chain is composed of links having overlapping portions pivoted together by pins which have eccentrics associated therewith that have sprocket-engaging surfaces. As the links move onto and off the sprockets, these eccentrics are controlled to rock relative to the pivot pins to vary the pitch of the successive links, which serve to keep the runs of the chain moving at a constant speed.

Abstract: In a side-bar chain for an infinitely variable cone pulley transmission, which chain is composed of packs of side bars forming successive links which are articulatedly connected with one another, and thrust pieces acting transversely of the longitudinal direction of the chain for friction force transmission between cone pulleys and the side-bar chain, the lengths of selected ones of the links, between associated articulations, are made different from those of the remainder of the links of the chain.

Abstract: The barrels of the links of pintle chain for operation open end forward over a drive sprocket are extended inwardly respecting the tooth pockets of the sprocket and two, flat separately distinct areas of interengagement are provided. The two areas of interengagement include the bottom face of the barrel and the bottom face of the tooth pocket and the forward tooth face and rear barrel face. The intermediate corners of the tooth pockets and of the barrel are rounded only for practical purposes.

Abstract: The chain has laminated, laterally flexible link members interconnected by pairs of rocker-joint bearing members. The laminated links freely engage and are retained by transversely spaced notches in the bearing members, which also engage drive sprocket teeth. The chain is manually separable and is designed to operate on the industrially standardized roller chain type drive sprockets.