摘要:
In a silent chain comprising interleaved and relatively pivotable rows of link plates, protrusions formed in the link plates contact relatively pivotable link plates in adjacent rows so that the area of contact is reduced. The protrusions can be annular, or they can be in the form of arcs that are of a size and position such that the arcuate protrusions of each plate do not interfere with the arcuate protrusions of an adjacent plate as the chain bends during use. The plates can have rectangular protrusions, or arcuate protrusions each consisting of an arc-shaped collection of dot-shaped protrusions.
摘要:
In a silent chain comprising interleaved and relatively pivotable rows of link plates, protrusions formed in the link plates contact relatively pivotable link plates in adjacent rows so that the area of contact is reduced. The protrusions can be annular, or they can be in the form of arcs that are of a size and position such that the arcuate protrusions of each plate do not interfere with the arcuate protrusions of an adjacent plate as the chain bends during use. The plates can have rectangular protrusions, or arcuate protrusions each consisting of an arc-shaped collection of dot-shaped protrusions.
摘要:
A silent chain transmission utilizes two different kinds of link plates. In a first kind of link plate, the inner flank pitch line is farther than the outer flank pitch line from the chain pitch line. In a second kind of link plate the inner flank pitch line is closer than the outer flank pitch line from the chain pitch line. Every four successive links includes at least one link composed of one type of link plate and at least one link composed of the other type of link plate.
摘要:
In a rocker joint silent chain, the link plates have two different engagement pitches, and the connecting pins are composed of combinations of rocker pins and joint pins, where each rocker pin has one of two thicknesses and each joint pin has one of two thicknesses, so that the rocker joint pins of the chain have three different thicknesses. The link plates and connecting pins are arranged randomly along the length of the chain.
摘要:
In a rocker joint silent chain, the link plates have two different engagement pitches, and the connecting pins are composed of combinations of rocker pins and joint pins, where each rocker pin has one of two thicknesses and each joint pin has one of two thicknesses, so that the rocker joint pins of the chain have three different thicknesses. The link plates and connecting pins are arranged randomly along the length of the chain.
摘要:
A silent chain is constituted by a number of articulately connected link plates each having an engagement surface for meshing engagement with teeth of a sprocket. The link plates are press-formed so that the engagement surface includes a smooth sheared surface. All of the link plates have respective sheared surfaces along not more than 60% of the thickness of the link plates. In order to reduce noises produced when the link plates mesh with the sprocket teeth, more than 50% of the link plates have respective sheared surfaces along 7 to 15% of the thickness of the link plates and are arranged randomly in the silent chain.
摘要:
A silent chain includes guide link rows and joint link rows arranged alternately and articulately connected in an endless fashion by rocker joint pins each composed of a longer pin and a shorter pin. In each guide link row, the longer pin is fitted with two guide plates and also inserted through link plates disposed between the guide plates. In each joint link row, the shorter pin is inserted through link plates. The longer pin and the shorter pin are initially formed in a straight configuration and have the same cross-sectional shape. When the silent chain is stretched substantially straight after having been subjected to a proof load, the pitch of the guide plates is made slightly greater than the pitch of adjacent contact points between the longer pins and the shorter pins of the rocker joint pins in the guide link rows so that the longer pins are elastically deformed into a bow-like configuration bent toward the mating shorter pins. The rocker joint pins having the elastically deformed longer pins acquire spring or cushioning properties which are effective to improve the strength of the chain and reduce the operation noise of the silent chain.
摘要:
A rocker joint silent chain includes rocker joints articulately connecting together multiple interleaved link plates and guide plates located outside the interleaved link plates in the widthwise direction of the chain. Each of the rocker joints is composed of a longer pin firmly fitted at opposite ends thereof in a pair of aligned pin-accommodation holes of two opposed guide plates, and a shorter pin having opposite ends projecting from opposite outer surfaces of the interleaved link plates. The ends of the shorter pin are in slight contact with inner surfaces of the guide plates. High-frequency noise and abrasive wear of the rocker joints and link plates, which may occur due to free movement of the shorter pin in the widthwise direction of the chain, can be avoided.
摘要:
A conveyor chain has a number of chain units connected together by connecting pins in an endless fashion. Each of the chain units is composed of a plurality of inverted tooth plates disposed in the width direction of the chain, and a slat disposed on one side of the tooth plates and extending across the width of the chain transversely across the tooth plates for carrying an object to be conveyed. The tooth plates each have a pair of inverted teeth formed on the other side thereof for meshing with sprocket teeth, and a pair of pin-accommodation holes for receiving a pair of connecting pins, respectively. The connecting pins each connect adjacent two chain units such that the tooth plates of one chain unit are interleaved with the tooth plates of the other chain unit.
摘要:
There is disclosed an electrolyte medium which makes it possible to significantly simplify device structure and detection procedure as well as to detect photocurrent with high sensitivity and accuracy, in specific detection of an analyte with use of photocurrent generated by photo-excitation of a sensitizing dye. The electrolyte-containing sheet comprises a hydrous substrate; and an electrolyte contained in the hydrous substrate. The electrolyte-containing sheet is used as an electrolyte medium in specific detection of an analyte with use of photocurrent generated by photo-excitation of a sensitizing dye. A gel matrix or a water-absorbent substrate can be used as the hydrous substrate.