Cylinder Patents (Class 16/89)
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Patent number: 10087668Abstract: A support system for use with a door that closes off an opening and a door assembly with the support system. The support system comprises a first support assembly having a main body and a roller assembly connected thereto, the main body comprises a seat for establishing connection with a first position of said door and a connector formed with the seat for connecting with the roller assembly. The connector is displaced from the seat in at least one perspective such that the roller assembly connected thereto is staggered relative to the seat in that perspective.Type: GrantFiled: December 19, 2017Date of Patent: October 2, 2018Assignee: NAN YA PLASTICS CORPORATIONInventor: Kuei-Yung Wang
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Patent number: 9445683Abstract: The present invention provides an improved traverse rod and hardware system that utilizes one or more load bearing trolleys housed within a hollow traverse rod. The traverse rod is a tube having an opening or slot across a top or top surface of the tube. The trolleys are attached to one or more connectors such as rings, which partially or completely encircle the tube and connect to a hanging object such as but, not limited to a curtain or drape. The trolleys move within the tube through the exercise of a cord and pulley system. The bottom or bottom surface of the tube bears the weight of the hanging objects through the trolleys and respective connector.Type: GrantFiled: September 23, 2014Date of Patent: September 20, 2016Inventor: Robert D. Rochin
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Patent number: 8974692Abstract: Provided are novel chemical mechanical polishing (CMP) slurry compositions for polishing copper substrates and method of using the CMP compositions. The CMP slurry compositions deliver superior planarization with high and tunable removal rates and low defects when polishing bulk copper layers of the nanostructures of IC chips. The CMP slurry compositions also offer the high selectivity for polishing copper relative to the other materials (such as Ti, TiN, Ta, TaN, and Si), suitable for through-silicon via (TSV) CMP process which demands high copper film removal rates.Type: GrantFiled: June 27, 2013Date of Patent: March 10, 2015Assignee: Air Products and Chemicals, Inc.Inventors: Xiaobo Shi, Krishna Murella, James Allen Schlueter, Jae Ouk Choo
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Publication number: 20130160240Abstract: A damping assembly for a door, and particularly for use in a pocket door that slides along a track arrangement into an enclosed pocket. The damping assembly catches the door and moves it fully open or fully closed in a gentle manner as it reaches the ends of the track arrangement. The damping assembly can be conveniently removed from the track arrangement for maintenance.Type: ApplicationFiled: December 6, 2012Publication date: June 27, 2013Applicant: CAVITY SLIDERS LIMITEDInventor: Cavity Sliders Limited
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Patent number: 8146294Abstract: A door locking system includes a first door and a second door positioned adjacent to each other and one of which is a sliding door. A mounting plate is mounted on the first door adjacent to the second door. A hinge plate has a hinged edge hingedly coupled to the mounting plate and is selectively positioned in a deployed position extending outwardly from the mounting plate. A stop includes a leg and an arcuate arm attached to the leg. The leg and arm are each hingedly coupled to the mounting plates and traverse the hinge plate. The stop releasably engages the hinge plate when the hinge plate is in the deployed position to retain the hinge plate in the deployed position and prevent the sliding of the first and second doors with respect to each other.Type: GrantFiled: January 14, 2010Date of Patent: April 3, 2012Inventor: Bruce C. Bennett
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Patent number: 7962999Abstract: A wheel suspension mechanism includes an absorber having an outer sleeve. A support spindle is rotatably received in the outer sleeve and reciprocally moved relative to the outer sleeve. The support spindle has an annular flange radially extending from a middle section thereof to divide the support spindle into a first section and a second section. A flexible member is compressively sleeved on the first section and abuts against the annular flange of the support spindle for providing a cushion effect. A wheel assembly is connected to the second section of the support spindle of the absorber and the wheel assembly is rotatably slanted relative to the absorber for adapting to mesh with an uneven rail.Type: GrantFiled: September 10, 2008Date of Patent: June 21, 2011Inventor: Don-Lon Yeh
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Patent number: 7137172Abstract: The invention pertains to a hanger for guiding an element suspended from a rail so that the element can be moved back and forth. To create a hanger which forms a compact and visually attractive unit and which occupies the least possible amount of space without sacrificing the ability to serve various applications and to perform different functions, the hanger has an essentially flat, elongated shape with a middle section between two opposite end area, where the end areas are rounded.Type: GrantFiled: April 25, 2003Date of Patent: November 21, 2006Assignee: Dorma GmbH + Co. KGInventor: Hubert Elmer
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Publication number: 20040098831Abstract: The present invention is directed to a guide device for sliding doors (1) in furniture, particularly for heavy sliding glass doors. The guide device comprises a guide element which is constructed as a cylindrical bar (6) and at least two running rollers (3) which are fastened to the sliding door (1) by fastening elements (5). The bar (6) is fastened to the furniture body (2) by holding elements (7, 17). The running rollers (3) have a running surface (4) such that the running surface (4) rests completely on the bar (6) at the point of contact between the running surface (4) and the bar (6).Type: ApplicationFiled: September 30, 2003Publication date: May 27, 2004Inventor: Hubert Elmer
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Patent number: 6640388Abstract: A hanger bar assembly for sliding doors used in transit cars has at least two separate coaxially oriented, preferably tubular bearing segments which can slidingly engage a cylindrical rod secured above an entry portal of a transit car. Each bearing segment contains bearing means such as a ball bushing bearing. The tubular bearing segments can be secured to a hanger bar at selected locations, taking into consideration such factors as the location of door hanger support points above an entry portal of the transit car, the location where the sliding door interfaces with an adjacent sliding door, the horizontal width of the door, and the distance that the door must travel along the cylindrical rod. Each of the bearing segments can be sealed at either end to reduce the likelihood of dirt and other contaminants entering the bearing segments.Type: GrantFiled: September 24, 2001Date of Patent: November 4, 2003Assignee: Morton Manufacturing CompanyInventors: Jeffery W. Covert, Richard D. Curtis
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Patent number: 6581242Abstract: A track and trolley system for movable wall panels including a track having upper and lower flanges, the upper and lower flanges being horizontally and vertically displaced from each other and defining a channel therebetween, the upper and lower flanges each having a disc-supporting surface; a carrier shaft disposed between the flanges and adapted to engage the wall panel; and a trolley having upper and lower discs rotationally mounted on the shaft, the upper and lower discs each having a lower surface supported on the disc-supporting surfaces of the upper and lower flanges, respectively, and each of the upper and lower discs including an outer edge and a center, each of the lower surfaces sloping upwardly from the outer edge toward the center, each of the lower surfaces including a contact portion adjacent the outer edge and engaging the disc-supporting surface.Type: GrantFiled: March 1, 2001Date of Patent: June 24, 2003Assignee: Modernfold, Inc.Inventor: N. Douglas Owens
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Publication number: 20020121001Abstract: A track and trolley system that allows wall panels to be moved with a minimum amount of friction is disclosed. The track has first and second flanges vertically and horizontally spaced relative to each other. First and second discs are supported on a shaft in vertical spaced relation. One of the discs engages one of the flanges on one side of the shaft and the other disc engages the other flange on the other side of the shaft. Each disc is independently rotatable in opposite directions. The disc-supporting surface of the flanges includes a plurality of upwardly concave regions with each region formed with a different radius. The disc is sized so that the outer edge of the disc lower surface contacts the outermost upwardly concave region of the flange. The lower side of the discs is angled slightly upward from the outer edge toward the center.Type: ApplicationFiled: March 1, 2001Publication date: September 5, 2002Inventor: N. Douglas Owens
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Patent number: 5181296Abstract: A multidirectional carrier and track generally comprising a disc, a track, and structure on the track defining a disc supporting surface. The disc is supported for rotation about an axis. The disc is in engagement with the disc supporting surface and has first and second ball bearing assemblies. The ball bearing assemblies have inner and outer races, the inner races mounted adjacent one another along the axis. The disc also has an outer cylindrical rim portion, the rim portion have an inner-facing surface, an outer-facing surface and upper and lower surfaces, the inner-facing surface engaging the outer races and the lower surface contacting the track. Structure on the inner-facing surface defines axially spaced faces projecting radially inward towards the axis in step-wise fashion, forming two axially-facing shoulders projecting from the inner-facing surface.Type: GrantFiled: December 31, 1991Date of Patent: January 26, 1993Assignee: Hufcor, Inc.Inventor: Charles E. Williams
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Patent number: 4987638Abstract: A sliding door assembly comprising a door hanger, a hanger sheave, an upthrust roller and a track, wherein the hanger sheave assembly and the uptrust roller are rotatably mounted on the door hanger. The track provides a first rolling surface for the hanger sheave and a second rolling surface for the upthrust roller. The track also preferably captures the upthrust roller thereby preventing the assembly from leaving the track.Type: GrantFiled: May 5, 1988Date of Patent: January 29, 1991Inventor: Nickolas Ribaudo
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Patent number: 4845806Abstract: With a suspended sliding partition with a level track (1) and at least one panel-like element (3) is provided an upper mounting rail (4) which is suspended from the track (1) by two carrying bolts (2) which extend through a continuous slot in the underside of the track (1) into the latter and are there each connected to a carrying device (26, 27, 28, 40) which is supported in the track (1). The track (1) has two guide channels (12, 20) arranged at a distance one above the other and provided with lateral guiding surfaces (13, 21) on both sides, as well as a level supporting surface (17). On each carrying bolt (2) are mounted two lateral guiding elements (23, 30, 33, 34) which are guided in one of the guide channels (12, 20), as well as the carrying device (26, 27, 28, 40) which is supported on the supporting surface (17).Type: GrantFiled: November 13, 1987Date of Patent: July 11, 1989Inventor: Walter Hamacher
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Patent number: 4846249Abstract: The window shade track hook carrier includes a body of plastic, metal, ceramic or the like which is adapted to slide or roll freely in a shade track and bear a depending shade hook which is adapted to extend out of an opening in the bottom or side of the track. The carrier body has a window shade cord passageway extending longitudinally therethrough for holding such cord in the track. The track passageway is preferably lined with slippery plastic, smooth metal or the like low friction material to reduce abrasion of the cord and facilitate relative movement of the carrier and cord in the track. In one embodiment the body has a pair of body-centering rotatable wheels of plastic or the like disposed on opposite sides of the body. In another embodiment, the body has a pair of low friction skids on opposite sides of the body. In a third embodiment, the body is cylindrical and solid, with a low friction exterior, curved sidewalls and flat front and rear.Type: GrantFiled: January 11, 1988Date of Patent: July 11, 1989Assignee: Castec, Inc.Inventors: David Cooper, Suresh K. Wadhwani, Michael Praamsma
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Patent number: 4837891Abstract: A track and trolley system that allows wall panels to be moved with a minimum amount of friction is disclosed. The system includes a track having a first rail, a second rail which is higher than the first rail, and a trolley having two drive wheels that engage the rails via annular track engaging surfaces of different diameters. Each drive wheel is independently rotatable in opposite directions. The system further includes a wall panel mount assembly haivng a housing integral with a movable wall panel and slide pads at track intersections to reduce the vertical elevational drop of a trolley when it moves across a track intersection.Type: GrantFiled: June 11, 1987Date of Patent: June 13, 1989Assignee: Modernfold, Inc.Inventors: John W. Toma, N. Douglas Owens
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Patent number: 4787119Abstract: A support structure for engaging opening and closing units to a track, wherein a support structure 1 comprises a support main body which is secured to each of a plurality of opening/closing units that move along an opening/closing section A of a predetermined length and a storing section B in contiguous with the section A, and which has oblique slidable contact sides each formed in parallel with each other at both ends of a horizontal plane thereof, side engagement members each formed in parallel along the side of each of the support main bodies for slidably engaging a plurality of adjacent support main bodies to each other when the main bodies are arranged in parallel with each other, a pulling engagement member integrally secured along one of the oblique slidable contact sides of the support main body and formed with an engaging groove and another pulling engagement member integrally secured to the other of the oblique slidable contact sides of the support main body at a position inside the blunt apex so asType: GrantFiled: August 27, 1987Date of Patent: November 29, 1988Inventor: Makoto Furuya
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Patent number: 4401033Abstract: A self-plumbing, counter-rotating trolley and track suspension system for supporting an operable wall panel is disclosed. The suspension system comprises a trolley assembly, including a pendant bolt to provide a common axle on which a pair of counter-rotating discs are rotatably mounted in spaced apart alignment. The track-contacting surface of each disc is spherically formed, with each surface generated from a common centerpoint but having unequal radii so that the surfaces generated by the radii have curvatures which are similar but are not congruent. The suspension system also includes a track having a pair of vertically spaced and diametrically arranged rails, each rail defining a cylindrical surface which is generated from the same common centerpoint of that of the discs, the locus of which lies above the rail-contacting surface of the upper disc.Type: GrantFiled: June 10, 1981Date of Patent: August 30, 1983Assignee: American Standard Inc.Inventor: Carl F. Gerken
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Patent number: 4302865Abstract: A multi-directional canted wheel carrier with shiftable control arm for supporting operable wall panels from upper and/or lower supporting tracks, with the control arm engaging a track slot or guideway and supported from the carrier for shifting when necessary between a leading and a trailing relationship to the panel supporting bolt to facilitate multi-directional movement of the carrier through track intersections. The carrier includes a single canted wheel or multiple canted wheels, and the bearings and tilt body structure of the canted wheel assembly provide efficient multi-directional movement of the carrier with minimum force requirements.Type: GrantFiled: December 31, 1979Date of Patent: December 1, 1981Assignee: Panelfold, Inc.Inventors: Guy E. Dixon, William M. Mack, Jr.
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Patent number: 4141106Abstract: A canted wheel carrier for supporting operable wall panels from upper and/or lower supporting surfaces to enable multi-directional movement of the panels and facilitate negotiation of angle turns and intersections without switches or curves in the supporting surfaces with a minimum of frictional resistance thereby reducing the force which must be applied to the panels to move them to a desired location and reducing frictional wear. The invention includes a top or bottom canted wheel carrier with or without a guide member or with a single or multiple canted wheels which engage a top or bottom supporting surface.Type: GrantFiled: October 28, 1977Date of Patent: February 27, 1979Assignee: Panelfold, Inc.Inventor: Guy E. Dixon