Patents Represented by Attorney, Agent or Law Firm M. S. Olson, Esq.
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Patent number: 6695733Abstract: A power transmission belt, and more particularly a toothed power transmission belt, comprising a longitudinally extending tensile member composed of one or more carbon fiber cords, wherein the belt exhibits belt growth of not more than 0.1% based on its original length after 48 hours under High Temperature Belt Growth Analysis performed at 100° C., and a method for producing such belts exhibiting reduced belt growth.Type: GrantFiled: January 14, 2002Date of Patent: February 24, 2004Assignee: The Gates CorporationInventor: Paul S. Knutson
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Patent number: 6691379Abstract: A hose clamp band member and a hose clamp comprising same, of the type having opposing looped ends connected to one another by a connection means such as a T-bolt, wherein the band is provided with two radially inward projecting ribs along at least a portion of its length, but that region of an outer portion of at least one of the loops that includes the connection point between the loop's outer- and inner portion is characterized by a substantially flat cross-sectional configuration.Type: GrantFiled: April 18, 2002Date of Patent: February 17, 2004Assignee: Epicor Industries Inc.Inventor: Erwin Schaub
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Patent number: 6616558Abstract: Power transmission belts, including V-belts, synchronous belts and multi-V-ribbed belts, comprising an elastomeric belt body portion and a load-carrying section embedded therein and extending in the longitudinal direction of the belt; the load-carrying section comprising a tensile member disposed in an adhesive rubber member, wherein at least one of said elastomeric belt body portion and said adhesive rubber member exhibits at least one of a complex modulus measured at 175° C., at 2000.0 cpm and at a strain of 0.09 degrees, of at least 15,000 kPa; and a tensile modulus, measur and 10% elongation, of at least 250 psi (1.724 MPa).Type: GrantFiled: August 17, 2001Date of Patent: September 9, 2003Assignee: The Gates CorporationInventor: Bobbie E. South
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Patent number: 6595883Abstract: A V-belt suitable for use in clutching-type applications, comprising a belt body 10 having a compression section 14 and a tension section 12; at least one longitudinally extending tensile element 26 disposed between said sections 14, 12; said compression section 14 having an inner portion 18 and an outer portion 20, at least said outer portion 20 comprising at least three layers of a rubberized textile member 30, said rubberized textile members each comprising a textile component 33 and a rubber component 31, and characterized in that at least a greater proportion by weight of said textile component 33 is orientated in a first direction other than both the direction of travel of the belt and the direction transverse thereto.Type: GrantFiled: July 6, 2000Date of Patent: July 22, 2003Assignee: The Gates CorporationInventors: John A. Breed, David D. Holtz, Susan K. Welk
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Patent number: 6584654Abstract: A T-bolt hose clamp comprising an outer band portion for encircling a portion of the circumference of a hose; a T-bolt member and a bridge extending from a first end of the band portion to and opposing second end of the band portion, wherein an inward projecting rib is provided along at least a portion of the outer band portion, having at least a radially innermost portion in substantially the same cross-sectional plane as the inner surface of the bridge.Type: GrantFiled: April 18, 2002Date of Patent: July 1, 2003Assignee: Epicor Industries, Inc.Inventor: Erwin Schaub
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Patent number: 6508354Abstract: A belt used in conjunction with at least one pulley, said belt capable of cooperating with an oppositely facing endless belt to contact and convey articles, said belt comprising: a first layer comprising a first flexible material, extending longitudinally of the belt and comprising a driving surface of said belt; a second layer comprising a second flexible material, spaced from and generally parallel to said first layer and possessing a first surface, and a second surface disposed opposite said first surface and defining an article conveying surface of said belt; a tensile section of high modulus material disposed between said first and second layers, wherein at least one of the first and second flexible materials comprises a polychloroprene and ethylene alpha olefin elastomer blend composition. The belt exhibits improved conveying properties, including long-term frictional properties and hardness characteristics, particularly suitable for utilization as a topping layer in bowling-pin conveying applications.Type: GrantFiled: July 2, 2001Date of Patent: January 21, 2003Assignee: The Gates CorporationInventors: John A. Breed, Harley Morgan
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Patent number: 6497836Abstract: Molded hose joint assemblies, e.g., connections, branched hoses and bleeding devices for fluid circuits, and especially such assemblies for use in automotive and industrial coolant circuit assemblies, which assemblies comprise a reduced amount of molded outer covering element over prior art designs, said covering element substantially encapsulating the connection points of generally flexible hose ends to generally rigid inner connection members. The outer covering element forms a unitary mass or interconnecting rings about at least two such hose connection points. Flexible manufacturing techniques for producing such assemblies are provided.Type: GrantFiled: September 7, 2001Date of Patent: December 24, 2002Assignee: The Gates CorporationInventors: Keith M. Krause, Melvin L. Marriott
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Patent number: 6447017Abstract: A coupling comprising a swivel stake nut or other connecting end portion rotatably coupled to a stem portion, and a jam nut or other stabilizing apparatus mounted upon or otherwise attached to one of said connecting end portion and stem portion in stabilizing relation to the other thereof, for inhibiting axial, rocking and/or rotational movement of the components during pressurized operation of the device with impulse cycling when coupled to hose or other fluid transfer component and an associated equipment port, in the absence of a separate adapter.Type: GrantFiled: October 29, 1999Date of Patent: September 10, 2002Assignee: The Gates CorporationInventors: Donald R. Gilbreath, Melvin O. Hendricks
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Patent number: 6419775Abstract: Endless power transmission belts and processes for their manufacture, having power transmitting surfaces comprising a wear resistant composite, which belts exhibit improved abrasion- or wear resistance, reduced noise, reduced frictional heat generation, and improved dimensional stability compared to known belt constructions, as well as processes for manufacturing same. More particularly, an endless toothed belt having an abrasion- and noise resistant cover element, which comprises at least one friction-modifying constituent and at least one binder constituent.Type: GrantFiled: April 21, 2000Date of Patent: July 16, 2002Assignee: The Gates CorporationInventors: Daniel Pattie Gibson, James Gordon Mackintosh
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Patent number: 6364048Abstract: An independent suspension and drive system comprising a transverse power shaft mounted on a vehicle frame and having a differential connection with a power source; at least one pivot shaft mounted on the vehicle frame; at least one cantilevered swing- or trailing- or pivot arms mounted on each of the at least one pivot shafts; at least one drive wheel, one each mounted on each of the respective at least one pivot arms via respective axles; and at least one chain or belt or equivalent member operatively connecting power shaft driver sprockets to respective wheel driven sprockets; wherein the centerline of the power shaft is substantially coincident with the centerline of each of the at least one pivot shafts, and wherein the pivot shafts are independent of the power shaft.Type: GrantFiled: September 23, 1998Date of Patent: April 2, 2002Assignee: The Gates CorporationInventor: Donald R. McComber
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Patent number: 6358171Abstract: A power transmission belt with a good balance of high temperature resistance, good belt durability and low temperature flexibility, and a service range of about −40° C. to about 140° C. The main belt body portion of the power transmission belt is manufactured from an elastomeric material comprising 100 parts by weight of an at least partially hydrogenated nitrile group-containing copolymer rubber, and from about 0.5 to about 50 parts per hundred weight of said rubber of a fiber reinforcement having a length to diameter ratio of greater than 10:1.Type: GrantFiled: November 19, 1999Date of Patent: March 19, 2002Assignee: The Gates CorporationInventor: Kevin John Francis Whitfield
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Patent number: 6334466Abstract: Material handling hose having an abrasion-resistant cover element is disclosed. The hose comprises an inner tube, a reinforcement member, an intermediate layer and the abrasion-resistant cover element. The cover element does not cover the entire surface of the intermediate layer, but includes apertures or gaps through which a portion of the underlying intermediate layer is exposed to the outside environment. The apertures allow for venting of high volatility materials through the hose body, and provide regions of relatively high coefficient of friction, to facilitate handling of the hose.Type: GrantFiled: October 9, 1998Date of Patent: January 1, 2002Assignee: The Gates CorporationInventors: Bhargav Jani, Fredrick R. Chipps
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Patent number: 6315331Abstract: Molded hose joint assemblies, e.g., connections, branched hoses and bleeding devices for fluid circuits, and especially such assemblies for use in automotive and industrial coolant circuit assemblies, which assemblies comprise a reduced amount of molded outer covering element over prior art designs, said covering element substantially encapsulating the connection points of generally flexible hose ends to generally rigid inner connection members. The outer covering element forms a unitary mass or interconnecting rings about at least two such hose connection points. Flexible manufacturing techniques for producing such assemblies are provided.Type: GrantFiled: March 12, 1999Date of Patent: November 13, 2001Assignee: The Gates CorporationInventors: Keith M. Krause, Melvin L. Marriott
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Patent number: 6296588Abstract: Endless belts having driving surfaces comprising a high temperature flexible thermoplastic composite. More particularly, an endless toothed belt having a high temperature-, abrasion- and noise resistant cover element, and which comprises from about 60 percent to about 100 percent by weight of the composite of a high temperature flexible thermoplastic material and from about 0 percent to about 40 percent by weight of the composite of a frictional modifier system, and methods for constructing such belts. Such belts include elastomeric body portions which may preferably be formed from suitable polyurethane materials.Type: GrantFiled: June 11, 1999Date of Patent: October 2, 2001Assignee: The Gates CorporationInventors: Scott L. Ciemniecki, Ronald A. L. Rorrer, Harry D. Visser
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Patent number: 6283868Abstract: A flexible shaft coupling element comprising a sleeve shaped body having a central annular portion and a coupling receiving portion at each of two opposing sleeve ends. The coupling receiving portions include axially extending teeth on their inner surfaces. The flexible shaft coupling element is characterized in that the annular portion possesses a torsional shear capacity and the area defining the axially extending teeth possesses a shear capacity, and the tooth shear capacity exceeds the annular portion torsional shear capacity.Type: GrantFiled: June 17, 1999Date of Patent: September 4, 2001Assignee: The Gates CorporationInventors: Arthur Jack Clarke, Kevin John Francis Whitfield
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Patent number: 6260698Abstract: Assemblies of packaged band-shaped articles, such as industrial- or automotive belts, and a method for their manufacture are provided. The assembly comprises at least one such band-shaped article, each said article having an inner periphery and an outer periphery; and a pliable container having a first aperture or gap at a first end and a second aperture or gap at a second end, the second end being preferably in generally opposing relation to the first with respect to its location on the container. At least a significant number of the band-shaped articles are aligned with one another, and are aligned with at least one of the two pliable container apertures.Type: GrantFiled: June 14, 1999Date of Patent: July 17, 2001Assignee: The Gates CorporationInventors: Andrew J. Delost, Timothy Lee Gerken