Including A Support Spring Patents (Class 297/452.49)
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Patent number: 10814760Abstract: A riding lawn equipment seat having an outer plastic shell, a foam base cushion and a foam back cushion. A plastic webbing is embedded inside each of the cushions. A plurality of clips extends from each plastic webbing and through each cushion into engagement with a plurality of slots in the shell.Type: GrantFiled: April 17, 2019Date of Patent: October 27, 2020Assignee: Deere & CompanyInventors: Mark C. Jonak, David W. Geiger
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Patent number: 10611484Abstract: A passenger seat arrangement for installation in an aircraft comprises at least one seating unit comprising a backrest element and a seat element pivotable relative to the backrest element between a resting position and a position of use. The passenger seat arrangement also has a support frame which bears against the at least one seating unit and which is able to be connected in a load-bearing manner to a structure of the aircraft. The support frame has at least one mechanical interface which, in each case, is assigned to a seating unit and is designed to fasten different mutually exchangeable modular units in a releasable and load-transmitting manner to the support frame.Type: GrantFiled: August 31, 2018Date of Patent: April 7, 2020Assignee: AIRBUS OPERATIONS GMBHInventors: Michael Demary, Bernd Ehlers, Stefan Behrens, David Toth
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Patent number: 10391910Abstract: A seating assembly includes a seat. A front assembly bracket is coupled to an underside of the seat. A rearward retention member defines a receiving aperture to receive a front cross-tube. A polymeric overmold is disposed over the rearward retention member. A forward retention member is operable between open and closed positions and is disposed proximate the rearward retention member. A rear assembly bracket includes a tab end operably coupled with the seat. A rounded body is configured to close engage a rear cross-tube. A fastener end is configured to secure the rear assembly bracket against the cross-tube.Type: GrantFiled: September 2, 2016Date of Patent: August 27, 2019Assignee: Ford Global Technologies, LLCInventors: Johnathan Andrew Line, S. M. Akbar Berry, David Andree, Mandeep Singh Sidhu, Carol Casey
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Patent number: 10029444Abstract: Multilayer nonwoven fabrics for foam molding that have excellent resistance to the separation of layers, have reinforcing effects and urethane leakage prevention performance, and are producible without the occurrence of fiber dust on the surface. In the multilayer nonwoven fabric for foam molding, a reinforcing layer is stacked on at least one side of a dense layer, the dense layer includes a meltblown nonwoven fabric layer (A) and spunbonded nonwoven fabric layers (B) that are stacked on both sides of the layer (A), and the meltblown nonwoven fabric layer (A) and the spunbonded nonwoven fabric layers (B) are partially thermocompression bonded with each other.Type: GrantFiled: November 24, 2015Date of Patent: July 24, 2018Assignee: MITSUI CHEMICALS, INC.Inventors: Taro Ichikawa, Yoshinori Kobayashi, Hidenori Yoshizawa
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Patent number: 9511699Abstract: A seat cushion includes a seat base frame, a cushion pad disposed on the seat base frame, and a skin material that covers the seat base frame and the cushion pad. The seat base frame includes a pair of side frames that extends in the front to back direction, a front elastic member that is installed in the pair of side frames and is in contact with the cushion pad, and a rear elastic member that is disposed while being separated from the front elastic member by a predetermined distance and is in contact with the cushion pad, in which a pad contact surface of the front elastic member is disposed to be inclined rearward with respect to a horizontal plane and a pad contact surface of the rear elastic member is disposed to be inclined forward with respect to the horizontal plane or to be parallel thereto.Type: GrantFiled: March 17, 2016Date of Patent: December 6, 2016Assignee: TS Tech Co., Ltd.Inventor: Shinji Sugiyama
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Patent number: 9457693Abstract: A supporting device for a seat, in particular a vehicle seat, has at least one planar supporting part and a plurality of fastening structures arranged on the supporting part. The supporting part has at least one region of extent for an extent in at least one direction in the surface plane of the supporting part. The supporting part is of planar design and has web-like surface sections. The at least one region of extent is designed as a predetermined separating point in at least one web-like surface region.Type: GrantFiled: July 22, 2013Date of Patent: October 4, 2016Assignee: JOHNSON CONTROLS GMBHInventor: Thomas Ruckriegel
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Patent number: 9409332Abstract: According to a method for producing support structures in motor vehicles, especially parts of a motor vehicle seat, at least one base element (BE) consisting of a thermoplastic material with a fabric back stay, especially a glass fiber reinforced thermoplastic (GMT) is inserted into tool (8) to form a support structure base (TB), is thermoplastically deformed and is subjected, at the same time or subsequently, to at least one additional process for reinforcing the support structure base (TB), integrally forming at least one additional structure (ZS), and integration of functional parts or integration of interfaces for additional components into the support structure (TB).Type: GrantFiled: September 7, 2010Date of Patent: August 9, 2016Assignee: Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, CoburgInventor: Gregor Kröner
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Patent number: 9326613Abstract: An upholstered seat with flexible pelvic support having a seat bottom with a seat pan, upholstery, and resiliently deflectable pelvic support structures retained at least partially within the central area of the seat pan. Plural resiliently deflectable fingers can project to within a left portion of the central area and plural resiliently deflectable fingers can project to within a right portion of the central area. The resiliently deflectable fingers can have different deflection resistances to permit hyper-localized control over the resilient support provided. A U-shaped rigidifying member secured to the seat pan establishes rigidified lateral and posterior portions of the seat pan. A resiliently compressible foam structure can have a U-shaped outer portion and a softer inner portion to facilitate a cradling of a seat occupant. A support and positioning member can be retained by a seat back in a fixed angular orientation relative to the seat bottom.Type: GrantFiled: December 21, 2013Date of Patent: May 3, 2016Inventor: Sava Cvek
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Patent number: 9308846Abstract: A seat cushion includes a seat base frame, a cushion pad disposed on the seat base frame, and a skin material that covers the seat base frame and the cushion pad. The seat base frame includes a pair of side frames that extends in the front to back direction, a front elastic member that is installed in the pair of side frames and is in contact with the cushion pad, and a rear elastic member that is disposed while being separated from the front elastic member by a predetermined distance and is in contact with the cushion pad, in which a pad contact surface of the front elastic member is disposed to be inclined rearward with respect to a horizontal plane and a pad contact surface of the rear elastic member is disposed to be inclined forward with respect to the horizontal plane or to be parallel thereto.Type: GrantFiled: March 29, 2012Date of Patent: April 12, 2016Assignee: TS Tech Co., Ltd.Inventor: Shinji Sugiyama
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Publication number: 20150091362Abstract: A spring for a vehicle seat comprising a foam body having an outer surface and a plurality of outwardly-extending walls defining a plurality of recesses, wherein top and bottom surfaces of the foam body are operable between an extended position and a compressed position, wherein the plurality of recesses are vertically compressed and the top surface rotates a predetermined distance relative to the bottom surface.Type: ApplicationFiled: September 27, 2013Publication date: April 2, 2015Applicant: Ford Global Technologies, LLCInventors: Michael Kolich, Lorne Joseph Lovelace, Michael Hulway
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Patent number: 8955832Abstract: An operator seat suspension apparatus includes a seat having a seat structure including longitudinal, upright flanges and a vehicle having a frame including longitudinal, upright flanges spaced away from the longitudinal, upright flanges of the seat structure. A set of isolators is fixed to and connects between the upright flanges of the seat structure and the upright flanges of the vehicle frame. The isolators are adapted to allow displacement in shear in the vertical and the longitudinal directions in response to shock forces in either direction.Type: GrantFiled: March 14, 2013Date of Patent: February 17, 2015Assignee: Excel Industries, Inc.Inventor: Harlan John Bartel
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Publication number: 20140354030Abstract: The invention relates to a vehicle seat having a seat part extending in the vehicle lengthwise direction (X) and in the vehicle width direction (Y) and having a backrest part and a seat substructure for cushioning and/or damping at least the seat part with respect to a body of a vehicle , in which the seat substructure comprises at least one horizontal spring device having a first spring part , another spring part which is movable relative thereto and a deformable fluid spring element for cushioning the seat part with respect to the body in the vehicle lengthwise direction (X) and/or in the vehicle width direction (Y), the deformable fluid spring element being arranged with a first connecting region to the first spring part and another connecting region to the other spring part , wherein the deformable fluid spring element is arranged between the two spring parts so as to be deformed solely by these two spring parts upon relative movement of the two spring parts relative to each other.Type: ApplicationFiled: June 3, 2014Publication date: December 4, 2014Applicant: GRAMMER AGInventor: Jens KOLB
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Patent number: 8800979Abstract: The mattress assemblies have an array of springs extending from a sheet. Each spring in the array may be manufactured by choosing a position for the spring, cutting a profile of the sheet spring in the sheet, peeling back or bending the profile or tab of the sheet, and shaping the profile to form the sheet spring. The array of springs may be formed from creating a plurality of such springs along rows and columns. In certain embodiments, multiple sheets may be stacked to form the sheet spring array.Type: GrantFiled: August 6, 2010Date of Patent: August 12, 2014Assignee: Dreamwell, Ltd.Inventor: Michael S. DeFranks
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Patent number: 8720871Abstract: A dual-hinged spring assembly. One assembly comprises two elastomeric arcs including an upper arc having downward ends, and a lower arc having upward ends, the upward ends of the lower arc being movably connected to the downward ends of the upper arc, thereby forming an ovoid spring. Further, when the lower arc is secured against a supporting surface, pressure against the upper arc causes the dual-hinge spring to compress.Type: GrantFiled: March 25, 2010Date of Patent: May 13, 2014Assignee: BabyRoo Ltd.Inventors: Hezi Stern, Uri Weinstein
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Publication number: 20140049090Abstract: A vehicle seat and a seat back board are obtained in which a seat cover can easily be anchored to a resin spring. In a seat back board, clips attached on a cover side are engaged with vertical clip engagement portions of the seat back board, thereby enabling the cover to be anchored to a back spring section of the seat back board. An anchoring operation of the cover to the back spring section can accordingly be made easier than in conventional anchoring structures employing for example hog rings. Moreover, since only pairs of openings are formed to the back spring section of the seat back board in order to provide the vertical clip engagement portions, any detriment to the moldability of the back spring section can be avoided.Type: ApplicationFiled: May 2, 2011Publication date: February 20, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hisaya Mori, Shinji Awata, Hideki Kobayashi
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Patent number: 8651579Abstract: Panel assemblies designed and configured to be installed into cushioned and other occupant-supporting furniture to increase the support provided to one or more occupants of the furniture. Each panel assembly is composed of interconnecting components, such as panels and slats. The components are interconnected in any one or more of a variety of manners, including side-to-side, overlapped, and stacked, and combinations thereof. Each panel assembly can be made from one or more kits of components that can be provided along with instructions, such as assembly instructions and installation instructions.Type: GrantFiled: June 25, 2012Date of Patent: February 18, 2014Assignee: HIP Innovations LLCInventors: James Pettingill, Timothy George
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Publication number: 20130278041Abstract: A vehicle seat cushion is provided with: a cushion body that makes contact with the body of a vehicle occupant; and a plurality of spring bodies that are suspended on a seat frame so as to extend in the fore-and-aft direction of the seat. The plurality of spring bodies include inner region spring bodies that are placed underneath the hipbone of the vehicle occupant, and outer region spring bodies that are placed on the outer sides of the inner region spring bodies in the transverse direction of the seat. Moreover, if a cross-section of the seat extending in the fore-and-aft direction is viewed, then at least the inner region spring body portion that is located on the front side of the bottommost end portion of the hipbone of the vehicle occupant is seen to be positioned lower than the outer region spring bodies.Type: ApplicationFiled: December 16, 2011Publication date: October 24, 2013Applicant: HONDA MOTOR CO., LTD.Inventors: Tomoki Matsumoto, Yoshitomo Oka
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Publication number: 20130127227Abstract: An extendable seat pan assembly configured to be supported on spaced side walls of a seat frame and including a seat pan frame having spaced frame rails retained longitudinally parallel to and adjacent the side walls, and a seat pan slidably supported on the frame rails and defining an opening therethough spanned by a spring assembly including a plurality of springs. An aircraft passenger seat including an extendable seat pan assembly.Type: ApplicationFiled: November 21, 2011Publication date: May 23, 2013Applicant: BE Aerospace, Inc.Inventor: Michael L. OLESON
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Publication number: 20120313409Abstract: A seat cushion structure for use in a vehicle seat including a first outer wall and a second outer wall joined to form a plurality of chambers. The seat cushion includes an energy absorption substance disposed within the chambers to absorb occupant load. The seat cushion also includes a plurality of springs disposed within the chambers to further facilitate occupant support and comfort.Type: ApplicationFiled: November 16, 2010Publication date: December 13, 2012Applicant: Johnson Controls TechnologyInventor: Eric B. Michalak
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Patent number: 8287047Abstract: A vehicle seat allowing to improve a vibration absorption characteristic, securing a stable seating posture, having high vehicle operability, and allowing to alleviate fatigue due to long time seating. In a seat cushion of a vehicle seat, a first human body support portion having a center at a position corresponding to a substantially center between the pair of ischial tuberosities of a human body, and a second human body support portion corresponding to the vicinities of femoral bases of a human body and having a center at a position located forward at a horizontal distance of 100 mm along a longitudinally center line of the seat cushion from the first human body support portion are regarded respectively as spring elements, and static spring constants and dynamic spring constants thereof are set to a predetermined relationship. Thus, stability and vibration absorbency during static seating are improved.Type: GrantFiled: November 30, 2006Date of Patent: October 16, 2012Assignee: Delta Tooling Co., Ltd.Inventor: Etsunori Fujita
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Patent number: 8186761Abstract: A suspended pixelated seating structure provides ergonomic, adaptable seating support. The suspended pixelated seating structure includes multiple cooperative layers to maximize global comfort and support while enhancing adaptation to localized variations in a load, such as in the load applied when a person sits in a chair. The cooperative layers each use independent elements such as pixels, springs, support rails, and other elements to provide this adaptable comfort and support. The suspended pixelated seating structure also uses aligned material to provide a flexible yet durable suspended seating structure. Accordingly, the suspended pixelated seating structure provides maximum comfort for a wide range of body shapes and sizes.Type: GrantFiled: June 18, 2010Date of Patent: May 29, 2012Assignee: Herman Miller, Inc.Inventors: Ryan S. Brill, Douglas M. VanDeRiet, John F. Aldrich, Christopher C. Hill, Andrew J. Kurrasch, James D. Slagh, Matthew Parkinson, Matthew P. Reed, Jeffrey A. Weber, Timothy P. Coffield
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Patent number: 8136884Abstract: A seating product comprising a seat deck assembly secured at opposite ends to a frame. The seat deck assembly comprises a seat deck. A textile border is disposed between at least one end of the seat deck assembly and the frame. The textile border is attached to the frame, thereby flexibly coupling the seat deck assembly thereto. Cushions, padding or an upholstered covering can complete embodiments of the seating product.Type: GrantFiled: February 4, 2010Date of Patent: March 20, 2012Assignee: L & P Property Management CompanyInventors: Larry I. Bullard, William J. Distler
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Patent number: 7837273Abstract: A seat suspension that includes at least one beam spring that extends across a seat pan. In one preferred embodiment, a pair of such springs is carried by the pan. The springs preferably differ in compliance from one another and from a mesh load supporting grid that is connected to each spring. One such arrangement produces a suspension of progressive construction that enables the seat to handle a wide range of shocks, bumps, jolts, and vibration of varying frequencies and magnitudes.Type: GrantFiled: August 28, 2007Date of Patent: November 23, 2010Assignee: Milsco Manufacturing CompanyInventors: Clifton J. Ratza, Trent A. Eekhoff
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Patent number: 7794021Abstract: The present invention can include a seat frame including a claw member, a spring member having a first end and a second end both connected to the frame, wherein the first end is retainable in the claw member, also the first end includes a first and second support member positioned on either side of the claw member, the first and second support member having a height that is equal to or greater than a height of the claw member.Type: GrantFiled: October 20, 2008Date of Patent: September 14, 2010Assignee: Toyota Boshoku Kabushiki KaishaInventor: Hideo Sahashi
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Publication number: 20100187881Abstract: Follow-up performance to respiratory movements is made higher than that of the prior art without obstructing movements of the pelvis of a person. A configuration is adopted that a cushioning member arrangement frame for a seat back 34, 140 and a cushioning member arrangement frame for a seat cushion are displaced according to load fluctuation to a cushioning member for a seat back 40, 150 or a cushioning member for a seat cushion 20. That is, such a configuration is adopted that the cushioning member arrangement frame for a seat back 34, 140 or the cushioning member for a seat cushion 20 not only moves according to load fluctuation but also frames themselves supporting them move via tension structure members spread over the frames (a cushioning member for a seat back and a cushioning member for a seat cushion).Type: ApplicationFiled: May 20, 2008Publication date: July 29, 2010Applicant: Delta Tooling Co., LtdInventors: Etsunori Fujita, Seiji Kawasaki, Hiroki Oshimo, Shigeyuki Kojima
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Patent number: 7740321Abstract: A suspended pixelated seating structure provides ergonomic, adaptable seating support. The suspended pixelated seating structure includes multiple cooperative layers to maximize global comfort and support while enhancing adaptation to localized variations in a load, such as in the load applied when a person sits in a chair. The cooperative layers each use independent elements such as pixels, springs, support rails, and other elements to provide this adaptable comfort and support. The suspended pixelated seating structure also uses aligned material to provide a flexible yet durable suspended seating structure. Accordingly, the suspended pixelated seating structure provides maximum comfort for a wide range of body shapes and sizes.Type: GrantFiled: May 12, 2006Date of Patent: June 22, 2010Assignee: Herman Miller, Inc.Inventors: Ryan S. Brill, Douglas M. VanDeRiet, John F. Aldrich, Christopher C. Hill, Andrew J. Kurrasch, James D. Slagh, Matthew Parkinson, Matthew P. Reed, Jeffrey A. Weber, Timothy P. Coffield
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Publication number: 20100090514Abstract: A seat in which a cushioning member has a high following ability to a human body motion and which can efficiently damp a vibration inputted from the outside is provided. The seat is constituted to use a torsion bar 112 and to support a cushioning member of a seat cushion section 150 by a parallel link mechanism having a first link plate 113 pivotally supported by the torsion bar 112, a second link plate 116 disposed in correspondence with the first link plate 113, and a connection link plate 117 connecting the first link plate 113 and the second link plate 116, and operational directions of the first link plate 113 and the second link plate 116 are set to almost coincide with a vertical direction along a surface of a seat back section.Type: ApplicationFiled: October 25, 2007Publication date: April 15, 2010Applicant: DELTA TOOLING CO., LTD.Inventors: Etsunori Fujita, Hiroki Oshimo
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Publication number: 20090261637Abstract: The invention relates to a body support structure (1), such as a piece of furniture (1), in particular a piece of furniture for sitting on or a piece of furniture for lying on, such as, for example, chair (3), armchair, stool, bed or sofa, a seat (7) of the piece of furniture (1) being supported by a spring mechanism (SM), and the spring mechanism (SM) being capable of being set to a weight force (40) with which a person acts on the seat (7).Type: ApplicationFiled: March 22, 2007Publication date: October 22, 2009Inventors: Johann Burkhard Schmitz, Carola Eva Marianne Zwick, Roland Rolf Otto Zwick, Claudia Plikat
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Publication number: 20090152931Abstract: The present invention can include a seat frame including a claw member, a spring member having a first end and a second end both connected to the frame, wherein the first end is retainable in the claw member, also the first end includes a first and second support member positioned on either side of the claw member, the first and second support member having a height that is equal to or greater than a height of the claw member.Type: ApplicationFiled: October 20, 2008Publication date: June 18, 2009Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventor: Hideo SAHASHI
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Publication number: 20090102269Abstract: The present invention provides for a drop-in seat unit as well as a method of manufacturing the drop-in seat unit that does not require the worker to affix one end of the spring to a frame rail and stretch the spring from one of the frame rails to the other frame rail. The ends of the spring are affixed to the frame rails while the springs are in an un-stretched state. Once the plurality of springs is attached to the two frame rails, the rails are mechanically pulled away from each other, thus created a larger open area between the frame rails and thus extending the springs. Once the rails are properly positioned in this extended state, support members are positioned between the two frame rails and one end of each support member is affixed to each frame rail, traversing the space or gap between the two frame rails. The support members fix the distance between the two frame rails.Type: ApplicationFiled: October 21, 2008Publication date: April 23, 2009Applicant: Ashley Furniture Industries, Inc.Inventors: James C. Dotta, Duane Olson, Duane D. Herold
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Publication number: 20090051206Abstract: A vehicle seat allowing to improve a vibration absorption characteristic, securing a stable seating posture, having high vehicle operability, and allowing to alleviate fatigue due to long time seating. In a seat cushion of a vehicle seat, a first human body support portion having a center at a position corresponding to a substantially center between the pair of ischial tuberosities of a human body, and a second human body support portion corresponding to the vicinities of femoral bases of a human body and having a center at a position located forward at a horizontal distance of 100 mm along a longitudinally center line of the seat cushion from the first human body support portion are regarded respectively as spring elements, and static spring constants and dynamic spring constants thereof are set to a predetermined relationship. Thus, stability and vibration absorbency during static seating are improved.Type: ApplicationFiled: November 30, 2006Publication date: February 26, 2009Applicant: Delta Tooling Co., Ltd.Inventor: Etsunori Fujita
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Patent number: 7481493Abstract: To promote bloodstream and reduce fatigue, a seat structure makes a slight sitting posture change by adding a minute body motion with no necessity of moving a cushion frame or a seat frame although it realizes a supporting pressure change at a wide area, not locally, in a seat cushion or a seat back. The seat structure includes a cushioning member for a seat cushion stretched across the cushion frame, and a cushioning member for a seat back stretched across the back frame. The seat structure includes: a lower cloth spring of a seat cushion or a cloth spring of a seat back stretched across the cushion frame or the back frame via a torsion bar; and a cloth spring adjusting member to change a supporting pressure by both cushioning members by adjusting tension of the lower cloth spring or the cloth spring.Type: GrantFiled: October 21, 2004Date of Patent: January 27, 2009Assignees: Toyota Boshoku Corporation, Delta Tooling Co., Ltd.Inventors: Etsunori Fujita, Atsuki Sasaki, Takeshi Nishiura
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Patent number: 7422291Abstract: A retainer for fixing terminals of springs 7 to a round shaft 3 of a seat frame for a seat is disclosed. Each of the terminals of the springs is formed into a substantially U-shape. The retainer includes a body 6a of a substantially U-shape in cross-section which is adapted to be mounted on the round shaft 3, and pairs of first and second spring-engaging pieces 6b, 6c bent laterally from both edges of the U-shaped body 6a. The retainer is adapted to fix the substantially U-shaped terminals of the springs 7 to the round shaft 3 with the first and second spring-engaging pieces 6b, 6c thereof being engaged with the substantially U-shaped terminals of the springs 7.Type: GrantFiled: June 29, 2005Date of Patent: September 9, 2008Assignee: TS TECH Co., Ltd.Inventor: Masaki Nagayama
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Patent number: 7237845Abstract: An article of furniture has a sitting portion inner core assembly. The inner core assembly has a frame for providing structural support. Vertical bars connect lower and upper portions of the frame. Horizontal bars connect opposite sides of an upper portion of the frame. Alternative, the upper support structure of the frame uses box springs, free-floating horizontal bars with springs, or a mesh pattern for the structural support of the top portion of the inner core assembly. A cloth or foam pad covering is disposed along a side portion and top portion of the inner core assembly. A fabric material is disposed over at least the side and top coverings and inner core assembly. A back support inner core assembly with back support bars connect to the sitting portion inner core assembly and provide structure support of the back support portion of the furniture.Type: GrantFiled: February 15, 2005Date of Patent: July 3, 2007Assignee: Dodaz, Inc.Inventor: Theresa A. Mulmed
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Patent number: 7137669Abstract: A vehicle seat includes a seat cushion which has a frame structure and a cushion member combined with the frame structure, the frame structure including a pair of spaced apart side frame members, a front frame member fixed to forward end portions of the side frame members, a connecting shaft extending between rearward end portions of the side frame members and interconnecting the rearward end portions of the side frame members, a plurality of zigzag springs stretched between the front frame member and the connecting shaft, the cushion member being laid on the zigzag springs, and retainers mounted on the connecting shaft, the zigzag springs being engaged at one terminals thereof with the retainer.Type: GrantFiled: March 31, 2005Date of Patent: November 21, 2006Assignee: TS Tech Co., Ltd.Inventor: Masaki Nagayama
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Patent number: 7100989Abstract: A collapsible cushion for integration into an automobile seat is provided. The collapsible cushion includes a first cushion plate and a second cushion plate with a plurality of springs interposed between the plates. The first plurality of springs is rotatably attached to both the first cushion plate and the second cushion plate such that each spring pivots when the collapsible seat cushion is collapsed. A seat suitable for inclusion in a automobile incorporates the collapsible cushion of the invention.Type: GrantFiled: November 12, 2004Date of Patent: September 5, 2006Assignee: Lear CorporationInventors: Christer Andersson, Odd Jaegtnes
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Patent number: 7090300Abstract: The structure is formed by serially connecting a torsion bar and a coil spring via a arm and a supporting frame to thereby elastically support a flat-type supporting member, and by disposing a cushioning member for seat cushion provided with a spring characteristic closely analogous to a load-to-deflection characteristic (spring characteristic) of the muscle of a human body above the flat-type supporting member. Accordingly, it is possible to make a spring characteristic for working when supporting a load of a human different from a spring characteristic for working when removing vibration even with an extremely simple structure. In other words, the structure has an excellent function to make the spring constant at work when removing vibration, especially when removing a high frequency component.Type: GrantFiled: June 18, 2004Date of Patent: August 15, 2006Assignee: Delta Tooling Co., Ltd.Inventor: Etsunori Fujita
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Patent number: 6883866Abstract: A snowmobile seat, including a base; selective fasteners mounted to the base, the selective fasteners including inner posts and offset outer posts on a first side of the base and on a second side of the base, the inner posts and outer posts defining a groove; a flexible support having a first side and a second side, the first side being interposed between the inner and outer posts on the first side of the base, the second side being interposed between the inner and outer posts on the second side of the base, the flexible supported being bowed, the flexible support being adapted to support the weight of a rider, and the flexible support defining apertures; a foam overlay disposed over the flexible support; and a fabric overlay disposed over the foam overlay.Type: GrantFiled: July 17, 2003Date of Patent: April 26, 2005Inventor: David A. Branscomb
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Patent number: 6854804Abstract: A seat cushion extends across left and right areas that are located beneath the locations of the left and right ischial tuberosities of a seated person. A support structure beneath the cushion transmits a weight load from the cushion to the seat frame. The support structure has portions that surround the left and right ischial areas to provide the cushion with underlying, load bearing support at the peripheral boundaries of the ischial areas, and is free of load bearing portions located within or beneath the ischial areas.Type: GrantFiled: September 20, 2002Date of Patent: February 15, 2005Assignee: Ficosa North AmericaInventors: Antonio Cruz Fernandes de Pinho, Paulo Alexandre Alves Vinha
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Patent number: 6848156Abstract: A method of making a motorcycle backrest which has a back support cushion with a handhold aperture, and a support arm for mounting the backrest on a motorcycle saddle or frame uses a mold with a cavity and central post. A rigid frame is encapsulated in a rigid resin base and a cushion layer is formed thereon. The base and cushion layer have an aperture extending therethrough. The flexible cover is formed about the cushion layer and about the periphery of the backrest structure and through the aperture, and it is secured to the surface of the rigid base. A protective cover plate is secured over the cover on the rigid base.Type: GrantFiled: February 13, 2003Date of Patent: February 1, 2005Assignee: Corbin Pacific, Inc.Inventors: Michael W. Hanagan, Vicente S. Zavala
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Publication number: 20040256905Abstract: The structure is formed by serially connecting a torsion bar and a coil spring via a arm and a supporting frame to thereby elastically support a flat-type supporting member, and by disposing a cushioning member for seat cushion provided with a spring characteristic closely analogous to a load-to-deflection characteristic (spring characteristic) of the muscle of a human body above the flat-type supporting member. Accordingly, it is possible to make a spring characteristic for working when supporting a load of a human different from a spring characteristic for working when removing vibration even with an extremely simple structure. In other words, the structure has an excellent function to make the spring constant at work when removing vibration, especially when removing a high frequency component.Type: ApplicationFiled: June 18, 2004Publication date: December 23, 2004Applicant: Delta Tooling Co., Ltd.Inventor: Etsunori Fujita
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Patent number: 6811227Abstract: A vehicle seat structure having a one-piece flexible shell incorporated in the seating surface portion and a one-piece flexible shell incorporated in the backrest portion, wherein dampener structures are provided between the shell and the seat frame for added comfort and vibration isolation.Type: GrantFiled: March 24, 2003Date of Patent: November 2, 2004Assignee: Lear CorporationInventors: Christer Andersson, Bengt Andreasson
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Publication number: 20040189078Abstract: A vehicle seat structure having a one-piece flexible shell incorporated in the seating surface portion and a one-piece flexible shell incorporated in the backrest portion, wherein dampening means is provided between the shell and the seat frame for added comfort and vibration isolation.Type: ApplicationFiled: March 24, 2003Publication date: September 30, 2004Inventors: Christer Andersson, Bengt Andreasson
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Patent number: 6676218Abstract: An object of the present invention is to minimize the dependency of the vibration characteristic exhibited by the sheet-shaped supporting member supported by the metal springs on the added load. In a plurality of metal springs 41 to 44 supporting a sheet-shaped supporting member 30, a third metal spring 43 provided on the position to support the vicinity of the greater trochanter of the seated person is provided in a manner that an engagement portion with a frame member is positioned lower than the engagement portion with the sheet-shaped supporting member 30 when no load is applied. Accordingly, the feeling of something foreign created by such a third metal spring 43 can be reduced, and within a predetermined range of the added load, the third metal spring does not work functionally because respective engagement portions 43a and 43b take their positional relationship to be substantially horizontal in a static seating state, while it works functionally when the added load exceeds the above-described range.Type: GrantFiled: January 22, 2002Date of Patent: January 13, 2004Assignee: Delta Tooling Co., Ltd.Inventors: Etsunori Fujita, Seiji Kawsaki, Seiji Sesaki, Tatsuya Oda, Yuji Ikeda
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Patent number: 6499807Abstract: A seat back frame assembly of the invention has side frame members (17, 17), an upper frame member (18), a lower frame member (19) and zigzag spring (15) mounted between the side frame members (17, 17). A side portion (27) of the lower frame member has a main connection portion (28) and a sub-connection portion (29), both of which are fixed to the side frame member (17). The main connection portion (28) is positioned below the zigzag spring (15). The sub-connection portion (29) is inclined toward a front upper side so that the sub-connection portion and the zigzag spring are at least partly overlapped with each other in a front-and-back direction.Type: GrantFiled: July 30, 2001Date of Patent: December 31, 2002Assignee: Ts Tech Co., Ltd.Inventors: Takuji Kaneda, Kanenori Sato, Misao Omori
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Publication number: 20020125759Abstract: A method of manufacturing a seating unit, such as a chair, includes manufacturing a cushion made from a non-woven fibrous material, and attaching the cushion to the seating unit for comfortable support. The cushion is made by cutting a blank from non-woven fibrous sheet material, steam-forming the blank into a pre-formed cushion shaped to support a user, and attaching a stiffener panel to the pre-formed cushion to provide a stiffened cushion assembly. The cushion assembly is aesthetically covered and assembled to seating unit. Advantageously, trimmings from the fibrous material can be recycled.Type: ApplicationFiled: May 1, 2002Publication date: September 12, 2002Inventor: Gordon J. Peterson
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Patent number: 6193318Abstract: A sitting and/or lying arrangement, particularly a vehicle seat or airplane seat, has a stable subframe and a flexible support which has a base part and a cushion. For creating such an arrangement, in which the user's body is anatomically correctly supported such that the body can relax and no pressure points are formed, the base part consists of a transversely stiff but longitudinally flexible material and is implemented, for example, by a thin, corrugated spring plate made of spring steel, carbon fibers, glass fibers or kevlar fibers, titanium and the like.Type: GrantFiled: June 25, 1999Date of Patent: February 27, 2001Assignee: DaimlerChrysler AGInventors: Norbert Becker, Wolfgang Fussnegger