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Class 474/212 - Link including integral surfaces forming inwardly opening groove (e.g., silent chain, etc.)


Subclass of Class 474 - Endless belt power transmission systems or components
Definition: Subject matter wherein each of the inflexible components
No. of patents: 106
Last issue date: 01/03/2012


1      
NumberTitleIssue Date
8088029Chain transmission for use in an engine
In a chain transmission, the guide-contacting portions of inner and outer plates of a chain each comprise a pair of front and rear flat surfaces, an intermediate concave oil-retaining surface and convex connecting surfaces. The lengths of the flat surfaces are such ...
01/03/2012
8057341Low-noise chain actuation
A chain drive with at least two sprocket wheels provided with teeth having an evolvent spline, and a toothed chain that engages therewith, especially for a vehicle propulsion system, which toothed chain includes individual rows of link plates that have openings, whe...
11/15/2011
7963872Transmission chain for use in engine
The plates of transmission chain for an engine are formed with a guide-contacting configuration composed of spaced flat surfaces that come into sliding contact with a flat chain guide, and convex surfaces, continuous with and between the flat surfaces, for sliding c...
06/21/2011
7942772Silent chain
In a silent chain having interleaved guide rows and joint rows, guide plates at the outer sides of the guide rows are connected by engagement pins which extend through overlapping recesses formed on the outer flanks of the guide row plates, and on the inner flanks o...
05/17/2011
7914409Oil-free chain
In an oil-free roller chain, the inner faces of the outer link plates have recesses that receive the ends of bushings, and the inner faces of the inner link plates have recesses that receive the ends of rollers surrounding the bushings. Each such recess is formed by...
03/29/2011
7901312Silent chain transmission device
In a silent chain transmission, a silent chain composed of uniform link plates meshes with a sprocket having two or three kinds of teeth randomly distributed around its circumference. The teeth have a common tooth gap bottom diameter, and a uniform angular spacing, ...
03/08/2011
7758461Shaved tooth plate
The present invention relates to a tooth plate for an inverted tooth chain with two hinge openings spaced apart in the longitudinal direction and a tooth plate contour with two teeth arranged on one side in the longitudinal direction, the teeth each being limited by...
07/20/2010
7641578Double-face driving silent chain and silent chain power transmission device using the same
There is provided a double-face driving silent chain wherein the size of each inner link plate of an exterior driving link train to a back face thereof is set to be equal to or greater than the size of each link plate of an interior driving link train. Thereby, inne...
01/05/2010
7497795Silent chain
In an endless silent chain composed of alternating guide link rows and joint link rows connected by connecting pins, each guide link row is composed of a stack of three, centrally located, link plates and two outer guide plates, and each joint link row is composed o...
03/03/2009
7476170Double-sided silent chain
In a double-sided silent chain, the backs of the outermost link plates, which have their teeth protruding in one direction, are higher than the backs of the inner link plates, which have their teeth protruding in the opposite direction. The backs of the outer link p...
01/13/2009
7437870Chain 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
7419449Low friction chain
A low friction roller chain, bushing chain or silent chain is composed of links in which at least some of the link plates have convex and/or grooved edge surfaces adapted to slide on the surface of a chain guide. ...
09/02/2008
7404778High-performance silent chain
A hybrid roller/silent chain of the present invention has the wear resistance of a roller chain combined with the noise performance of a silent chain. This is accomplished with the use of transverse load-bearing elements that allow increased bearing area for the art...
07/29/2008
7367447Rodless modular conveyor belt
A conveyor belt assembled of modular plastic components is retained together without the usual connecting rods or pins. In one embodiment the modules, each of which has series of finger-like projections or knuckles both at forward and rear ends of the module, the pr...
05/06/2008
7360644Modular belt with rodless hinge
A rodless system for a modular conveying belt where the studs are inserted into the pivot opening by transversally shifting the module with the studs in relation to the module with the pivot opening. ...
04/22/2008
7329198Silent chain
In a silent chain composed of interleaved rows of link plates held by connecting pins secured to guide plates disposed along the sides of the chain, the guide plates are formed with protrusions, and are deformed so that they exert a spring action on the rows of link...
02/12/2008
7325391Bicycle chain
A bicycle chain has an outer link with two outer link plates, an inner link formed with two inner link plates and a link pin connecting adjacent ones of the together. The link plates are configured to aid in smoothly shifting a chain moves between sprockets. The out...
02/05/2008
7320656Plate-link chain
A drive chain suitable for use in a continuously variable transmission of a motor vehicle, the transmission having two pairs of spaced drive members about which the chain passes to transfer torque from one drive member to the other. The chain includes a plurality of...
01/22/2008
7278535Net belt
A chain link is described which may be assembled with other chain links to form a conveyor belt which is particular in that along the front and rear edges, recesses are provided such that a recess along one edge corresponds to no recess at the opposite edge, and tha...
10/09/2007
7267221Silent modular conveyor and conveyor links
A silent modular conveyor link adapted for assembly with multiple complementary links to form a conveyor. The conveyor includes a support for supporting items to be conveyed on the conveyor. A plurality of silent teeth extend downwardly from the support for mating e...
09/11/2007
7246699Conveyor 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
7229375Back drive silent chain system with low profile sprocket
A silent chain and sprocket assembly is disclosed for use with a chain tensioner that provides driving contact on both sides of the chain and improved system wear, noise and vibration characteristics without adding to the chain's weight or material costs. The front-...
06/12/2007
7204775Plate-link chain for a continuously variable transmission
A plate-link chain formed from short plate links and long plate links. The long plate links have an extension at one end. The installation direction of the long plate links is such that their extensions overlap plate links in an adjacent row and that are next in ord...
04/17/2007
7167739Assembly of medical examination device and a combination of a frame and a patient table as well as such a combination
A medical examination device (1) comprising an examination space (3), a combination of a frame (5) and a patient table (4), and rack (8) which can be driven by a drive (9, 10) to displace a patient on the patient table into ...
01/23/2007
7059985Alternating guide power transmission chain
A power transmission chain has rows of pivotally connected, interleaved drive links and guide links. One guide link is included in each row of links and the guide links are positioned on alternate lateral sides of the chain in each row. A sprocket that can engage th...
06/13/2006
7056248Silent 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
7048665Power transmission chain having links with lateral spacing elements
A chain having a plurality of inside links and guide links. The plurality of inside links each have a pair of apertures and are interleaved and connected to form rows. The plurality of guide links each have a pair of apertures and are placed outside of alternate row...
05/23/2006
7048664Link plate for a silent chain
A link plate for silent chains includes a pair of teeth, each formed of an inside flank and an outside flank and a pair of pin apertures. A moment of force around a pin M=F×Lo, where F is a force applied by a sprocket tooth against the outside flank, and Lo is a le...
05/23/2006
7048666Silent chain power transmitting apparatus
A silent chain power transmitting apparatus has an endless link chain having a plurality of link plates (11A,11B,11C, . . . ) connected together, and sprocket wheels (20). Each of an inside flank (13) and an outside flank (14
05/23/2006
6969332Silent chain
A silent chain comprises a plurality of link plates, each having a pair of tooth parts and pin holes, stacked in the thickness direction as well as in the length direction and linked together using linking pins. Guide links are provided on the outermost sides of the...
11/29/2005
6939260Silent drive chain assembly having flexible links
A chain assembly drivingly engages a plurality of sprocket teeth that extend radially outwardly from a sprocket of an automobile drivetrain. The chain assembly includes a plurality of rigid links pivotally interconnected to each other to form an endless loop, wherei...
09/06/2005
6908407Silent chain transmission mechanism
A silent chain transmission mechanism includes a sprocket and a silent chain having link interleaved link rows each composed of plural randomly selected link plates and connected together by connecting pins. The outside dimensions of the link plate are smaller than ...
06/21/2005
6872158Silent chain transmission device
In a transmission having a silent chain meshing with a sprocket, each link plate of the chain includes inside engaging surfaces and outside engaging surfaces having the same shape as that of a tooth profile of a hob cutter for shaping the sprocket teeth. The sprocke...
03/29/2005
6805646Double-sided meshing type silent chain
In a double-sided meshing type silent chain, guide plates each having a flat back face formed on one side thereof and a pair of pin-accommodation holes formed therein are disposed at opposite widthwise ends of the chain with the pin-accommodation holes press-fit wit...
10/19/2004
6796920Silent chain power transmission apparatus
In a transmission comprising an endless silent chain and a sprocket the inside tooth faces of the link plates of the chain are identical to tooth profiles, arranged axially, of a hob cutter for forming teeth of the sprocket. The inside and outside tooth faces also s...
09/28/2004
6746353Guide bar, chain incorporating such a bar and engine equipped with such a chain
This invention relates to a guide bar for a drive chain, provided with two orifices for passage of a pintle pin, each orifice being substantially triangular in shape, with substantially identical edges, in the form of arc of circle and concave. The bar is provided w...
06/08/2004
6743134Silent chain
In a silent chain, wear of the connecting pins and bushings, and wear elongation of the chain itself, are suppressed by the formation of through holes in the approximate centers of the teeth of toothed link elements for relieving strains in the inner peripheries of ...
06/01/2004
6733410Wear-elongation resistant silent chain
A wear-elongation resistant silent chain includes guide link rows and articular link rows articulately connected together in an alternate fashion along the length of the chain by connecting pins inserted through respective pin holes of guide plates, guide link plate...
05/11/2004
6689003Limited articulation chain (inverted tooth or roller) created by "squaring" ends (top and/or bottom) of links/guides of chain
A limited articulation chain design that prevents or reduces chain jumping at a given amount of chain slack comprises a chain having a plurality of alternating inner and outer links having ends interconnected by pins, wherein the ends of the outer links a...
02/10/2004
6685589Silent chain in which strength and elongation of link row are uniformized
A silent chain is provided with strength and elongation of respective link rows made uniform, elongation of every link made equal regardless of elastic and/or plastic deformation, and inexpensive production cost. The silent chain includes a first link row...
02/03/2004
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