Patents Represented by Attorney Raymond Fink
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Patent number: 4355990Abstract: A torsionally elastic power transmitting device is described having respective rotatable hub and rim members coupled in torsional driving relation through resilient cushions. The improvement is directed to the radial bearing surface which is formed directly between the hub and rim members along their respective outer and inner peripheries.Type: GrantFiled: September 22, 1980Date of Patent: October 26, 1982Assignee: The Gates Rubber CompanyInventor: Jock S. Duncan, Jr.
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Patent number: 4354648Abstract: An airfoil modification device that helps maintain airstream attachment to either upper or lower airfoil surfaces, the device in the form of a plurality of spaced, low profile rods arranged generally end-to-end and attached to the airfoil and generally normal to the airstream to define a serrated edge that induces multi-directional airstream turbulence.Type: GrantFiled: February 6, 1980Date of Patent: October 19, 1982Assignee: Gates Learjet CorporationInventors: Karl M. Schenk, Peter T. Reynolds, M. H. Abla, Robert K. Wattson, Jr.
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Patent number: 4346151Abstract: A multicell sealed rechargeable battery is disclosed including an open mouth monobloc container formed of a plurality of cup-shaped cell holders interconnected at mutual tangent zones, electrochemical cells of the rechargeable type fitting into the cell holders and interconnected to form the battery, and a closure member attached to the mouth of the monobloc container.Type: GrantFiled: December 29, 1980Date of Patent: August 24, 1982Assignee: The Gates Rubber CompanyInventors: Toshio Uba, Larry K. W. Ching, Michael R. Harrison
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Patent number: 4340378Abstract: A V-block belt component with a polymeric block molded around a diagonal side portion of a U-shaped reinforcement with parallel leg members, the polymeric block having two molded leg member receiving cavities, one cavity juxtaposed and oriented with each leg member.Type: GrantFiled: September 8, 1980Date of Patent: July 20, 1982Assignee: The Gates Rubber CompanyInventor: Paul E. Russ, Sr.
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Patent number: 4336021Abstract: An endless belt assembly, such as an emergency fan belt, is disclosed including a belt of elastomeric material having internal cavities in the ends, and a unique coupling means fastening the ends of the belt together, including a central shank, and at least one end of the coupling having helical ribs projecting radially outwardly from the shank which grip the walls of the belting to prevent pull-out, and ease fastening of the belt ends together in the field.Type: GrantFiled: May 14, 1979Date of Patent: June 22, 1982Assignee: The Gates Rubber CompanyInventor: William M. Haines
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Patent number: 4332576Abstract: A single or multiple strand molded notch V-belt and a method for its production is described. The method is characterized by use of an open-ended mold having rigid transverse notches and longitudinal ribs forming a plurality of mold cavities. The belt has undulating mold-formed notches which in one embodiment carry a fabric facing of a particular design to retard initiation and propagation of undercord cracks during operation of the belt around associated sheaves.Type: GrantFiled: January 11, 1980Date of Patent: June 1, 1982Assignee: The Gates Rubber CompanyInventors: Alfred L. Stecklein, Jerome M. Daugherty
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Patent number: 4330287Abstract: A power transmission belt of the generally flat type having circumferential ribs, the ribs having oppositely facing converging sides characterized by convex sidewall portions.Type: GrantFiled: February 28, 1980Date of Patent: May 18, 1982Assignee: The Gates Rubber CompanyInventor: Richard J. Fischer
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Patent number: 4328879Abstract: A shock-absorbing sprocket or gear assembly or like torsionally elastic device is described having resilient cushioning means interposed between mating lugs of the hub and rim to smooth and dampen torsional shocks and vibrations produced by a power drive train. An improved radial bearing surface is provided which maintains symmetry of the bearing load with respect to the drive, and which ensures concentricity between the hub and rim and keeps the rim from wobbling axially or orbiting radially with respect to the hub during operation. The cushioning means are configured relative to the hub and rim to accommodate angular displacements of at least 9.degree.. A power transmission drive system employing the shock-absorbing sprocket of the invention is also described.Type: GrantFiled: September 22, 1980Date of Patent: May 11, 1982Assignee: The Gates Rubber CompanyInventor: Robert P. Tone
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Patent number: 4327775Abstract: A contour formable hose with a reformable insert disposed in the hose duct, the insert with at least two spaced ring means that engage an internal annular portion of the hose interior wall so that a ring means is located near each end portion of the hose. A rod bias means is interpositioned between and attached to the ring means and the rod bias means is capable of being yielded to a new bias shape.Type: GrantFiled: May 9, 1977Date of Patent: May 4, 1982Assignee: The Gates Rubber CompanyInventor: David N. Tally
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Patent number: 4321523Abstract: A transformerless battery charging circuit is described including a rectifier, a semiconductor switch in series with the battery, a sensing network monitoring battery voltage, a trigger circuit responsive to the sensed battery voltage for controlling operation of the semiconductor switch, and a voltage regulator for regulating output voltage of the rectifier as supplied to the triggering and battery voltage sensing networks. The circuitry in combination with an appropriate rechargeable battery also serves as a power supply to drive a DC load connected to the battery.Type: GrantFiled: October 5, 1978Date of Patent: March 23, 1982Assignee: The Gates Rubber CompanyInventor: Ronald O. Hammel
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Patent number: 4312193Abstract: A sporadical torque transfer device for yielding element flexible shaft couplings of the tubular type, the device including first and second sleeves which have a ring of internal spline teeth at one end and circumferentially spaced jaw teeth at the opposite end, the first and second sleeves arranged substantially coaxial so that the jaw teeth mesh with each other in jaw coupling fashion, and a third sleeve that fits within the first and second sleeve juxtaposed the jaw teeth as a means for coaxially aligning the first and second sleeves.Type: GrantFiled: November 7, 1979Date of Patent: January 26, 1982Assignee: The Gates Rubber CompanyInventors: Ralph H. Gibbs, Robert E. Stuemky
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Patent number: 4306591Abstract: A hose resistant to deformation is described which includes the usual polymeric tube and outer cover, and at least one annular reinforcement layer of fiber bundles sandwiched between the tube and cover. A polymeric aqueous-insoluble continuous film impregnates the fiber bundles and binds the reinforcement to at least one of the cover and tube, the continuous polymeric film serving to unexpectedly stiffen the hose appreciably. A method for producing the hose is described wherein the adhesive film is formed by applying a latex dispersion to the hose tube and/or reinforcement.Type: GrantFiled: March 3, 1980Date of Patent: December 22, 1981Assignee: The Gates Rubber CompanyInventor: Robert B. Arterburn
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Patent number: 4305608Abstract: A ferrule for use with a male stem which together define a coupling for flexible hose, the ferrule including a sleeve having an inside surface from which extend a plurality of longitudinally oriented ribs that are circumferentially spaced from each other. The ferrule is preferably made by extruding a metal tube and forming a plurality of longitudinal ribs, circumferentially spaced from each other along thetube inside surface; and cutting the tube in desired lengths to define ferrules.Type: GrantFiled: July 13, 1979Date of Patent: December 15, 1981Assignee: The Gates Rubber CompanyInventors: Robert E. Stuemky, David E. Jewell
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Patent number: 4298343Abstract: A reinforced, mechanical splice for toothed belts, the splice defined by overlapping belt end portions that interfit with each other with a male-end belt tongue portion having transversely oriented belt teeth with molded end receiving openings, and a female-end belt U-portion dimensioned to receive the male-end portion and having transversely aligned belt teeth with molded pin receiving openings so adapted and arranged for coaxial alignment with the male-end pin receiving openings such that the belt teeth of the male-end portion are aligned with the belt teeth of the female-end portion, the belt teeth of both end portions having an embedded reinforcement circumjacent to the pin receiving openings.Type: GrantFiled: March 10, 1980Date of Patent: November 3, 1981Assignee: The Gates Rubber CompanyInventor: John D. Redmond, Jr.
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Patent number: 4295496Abstract: A hose is described having the usual elongated polymeric body and a coiled insert member formed of a plurality of turns contained within the internal passageway of the hose. The hose body has a normal tendency to swell under elevated temperatures or pressure whereby the coiled insert member may shift axially. This problem is solved by application of a filamentary band of expansion resistant material extending circumferentially about the hose body, which prevents enlargement of the hose during use at elevated temperatures.Type: GrantFiled: February 19, 1980Date of Patent: October 20, 1981Assignee: The Gates Rubber CompanyInventor: Guy T. Bixby
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Patent number: 4295029Abstract: A unitary welded connection between a projecting leg of a cell connecting strap and collector tabs emanating from the plates of the cell is disclosed, the leg having boss protrusion(s) to eliminate bridge welds.Type: GrantFiled: May 27, 1980Date of Patent: October 13, 1981Assignee: The Gates Rubber CompanyInventor: Toshio Uba
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Patent number: 4280709Abstract: A piston rubber with a body of substantially cylindrical exterior shape with one end thereof reinforced with a textile fabric wound into a roll that is arranged generally coaxial with the cylindrical body. The method for making the piston rubber involves winding a length of rubberized fabric around a mandrel and forming a sleeve of desired radial thickness, cutting the sleeve into bands of desired widths, and placing the bands and elastomeric material in a mold and curing the same to define a piston rubber.Type: GrantFiled: November 8, 1979Date of Patent: July 28, 1981Assignee: The Gates Rubber CompanyInventors: George E. Heikes, Jr., Claude L. Henderson
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Patent number: 4280339Abstract: A sporadical torque transfer device for yielding element flexible shaft couplings of the tubular type, the device including two shaft end portions, each with two forked ends of two opposed symmetrical teeth having flanks, the teeth overlapping each other in meshing fashion with nominally a positive clearance between tooth flanks, the teeth centrosymmetric with the tubular element and positioned intermediate ends of the tubular element. Optionally, a sleeve has a diametrically oriented member attached to each of its ends and positioned ninety degrees from each other. Together, the cross members and sleeve define tooth receiving openings. The sleeve is positioned substantially coaxially with the shaft portions and the opposed teeth are positioned in the tooth receiving openings of the sleeve and cross members with positive clearance nominally maintained between the tooth flanks and cross members.Type: GrantFiled: April 27, 1979Date of Patent: July 28, 1981Assignee: The Gates Rubber CompanyInventor: Robert E. Stuemky
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Patent number: 4259419Abstract: Thermoplastic battery cover and container piece parts are fused together using vibratory energy, particularly ultrasonic welding, in which the horn has a depending skirt extending along an outer wall of the container and which serves to maintain the cover and container in mutual alignment and simultaneously contain the flow of the melt (flash). In another aspect, a particular interference joint between the components is described featuring a continuous ramp of 50-70 degrees and producing an interference fit for an improved weld. The invention is also directed to a cell or battery formed according to the method of the invention, as well as the horn.Type: GrantFiled: August 17, 1979Date of Patent: March 31, 1981Assignee: The Gates Rubber CompanyInventors: Toshio Uba, Tristan D. Juergens
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Patent number: 4253893Abstract: A non-pneumatic tire for a wheelchair or other wheeled apparatus includes an endless integrally molded solid core rubber tire with a tensile member embedded in the tire to minimize chance of roll-off of the tire from an associated rim. A method for producing the tire is disclosed.Type: GrantFiled: October 3, 1979Date of Patent: March 3, 1981Assignee: The Gates Rubber CompanyInventors: Richard L. Clinefelter, Larry R. Bradford