Integral Leg And Armrest Patents (Class 297/287)
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Patent number: 11857084Abstract: A chair includes a frame having a front transverse element defining a first hinging axis and a rear transverse element defining a second hinging axis; a seat having a front section hinged with the frame about the first hinging axis; and a backrest hinged with the frame about the second hinging axis, wherein the backrest includes a backrest support having a bottom transverse element defining a third hinging axis, and wherein the backrest support is hinged with a rear section of the seat about the third hinging axis.Type: GrantFiled: March 17, 2022Date of Patent: January 2, 2024Assignee: Pro-Cord S.p.A.Inventor: Giancarlo Piretti
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Patent number: 11607043Abstract: A rocker chair having a frame and a longitudinal spring member extending from the frame, at or near a surface on which the chair is supported for rocking motion. The spring member includes an anchored portion anchored to the frame, and an extended portion extending from the anchored portion and is free to flex or bend against spring bias of the extended portion, wherein the extended portion is bendable upward from the support surface against spring bias of the extended portion. The frame of the rocker chair may be collapsible to convert from a collapsed configuration for stowing, to an extended configuration for seating a person. The spring member may include an anchored portion anchored to at least a portion of a bottom of the frame, and an extended portion extending from the anchored portion, wherein the extended portion is bendable against spring bias of the extended portion.Type: GrantFiled: November 12, 2021Date of Patent: March 21, 2023Assignee: MAXTON ENGINEERING LTD.Inventor: Shou Qiang Zhu
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Patent number: 11172762Abstract: A rocker chair having a frame and a longitudinal spring member extending from the frame, at or near a surface on which the chair is supported for rocking motion. The spring member includes an anchored portion anchored to the frame, and an extended portion extending from the anchored portion and is free to flex or bend against spring bias of the extended portion, wherein the extended portion is bendable upward from the support surface against spring bias of the extended portion. The frame of the rocker chair may be collapsible to convert from a collapsed configuration for stowing, to an extended configuration for seating a person. The spring member may include an anchored portion anchored to at least a portion of a bottom of the frame, and an extended portion extending from the anchored portion, wherein the extended portion is bendable against spring bias of the extended portion.Type: GrantFiled: April 8, 2020Date of Patent: November 16, 2021Assignee: MAXTON ENGINEERING LTD.Inventor: Shou Qiang Zhu
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Patent number: 11051618Abstract: A rocking foldable chair includes a body frame and a support portion. A connecting portion bent upward is fixed at the first end of the support portion. The connecting portion and the support portion are formed into a piece. One end, away from the support portion, of the connecting portion is fixedly connected to the body frame. The second end of the support portion extends toward the rear of the body frame. The connecting portion is elastically deformed by an external force, so that the body frame rocks back and forth. The body frame further comprises a first support rod, a second support rod and a second connecting rod. The second support leg is further provided with a pop-up device capable of providing the second support leg with a resilient force.Type: GrantFiled: October 31, 2019Date of Patent: July 6, 2021Inventor: Libin Chen
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Patent number: 10939764Abstract: A folding rocking chair includes a left arc bottom rod, a right arc bottom rod, a left front rod, a right front rod, a left rear rod, a right rear rod, a seat frame rod, a left armrest rod, a right armrest rod, a left front armrest support rod, a right front armrest support rod, a left first pivot connecting rod, a right first pivot connecting rod, a left second pivot connecting rod, a right second pivot connecting rod, a backrest rod, a left pivot connecting part, a right pivot connecting part, a left multilink part, a right multilink part, a seat frame support part and a backrest support part.Type: GrantFiled: November 4, 2019Date of Patent: March 9, 2021Assignee: SPORT DIVERSIONS INC.Inventor: Wen-Hao Tsai
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Patent number: 10118704Abstract: A hybrid seat pan and diaphragm apparatus includes a seat pan that has a concave portion and a diaphragm positioned at an occupant-facing side of the seat pan and stretched across the seat pan at a first distance above the concave portion of the seat pan.Type: GrantFiled: April 5, 2016Date of Patent: November 6, 2018Assignee: Franklin Products, Inc.Inventor: Howard Velasco
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Patent number: 9216672Abstract: An indicator apparatus for signaling that a foldable backrest of a seat in a motor vehicle is not locked includes a handle pivoted between a locked position and an unlocked position about a pivot axis, a locking apparatus having a catch that, by working of the handle can be moved between a blocked position and an unblocked position, and an indicator element guided between a non-indication position and an indication position and movable by a transition element. The transmission element comprises a spring element that is fixedly connected both to the handle and to the indicator element. The spring element is resistant to deformation as the indicator element is moved by the handle, but can be deformed in an elastic manner when the handle is located in the unlocked position and the indicator element is moved out of the indication position into the non-indication position.Type: GrantFiled: November 22, 2010Date of Patent: December 22, 2015Inventors: Volker Windecker, Stefan Haber, Denise Buettler, Kadir Yasaroglu, Bernd Heimann, Tobias Braun, Peter Muller
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Patent number: 9095990Abstract: There is described a method for at least partially covering selected surfaces of a non-porous substrate with a flexible veneer, the method comprising the steps of maintaining a humid environment during the covering of said substrate with the veneer, applying a preheated adhesive to one or both of the substrate and the veneer, progressively shaping the veneer to the selected surfaces of the substrate through the application of pressure biasing the veneer against the selected surfaces and curing the assembly of the veneer and the substrate.Type: GrantFiled: January 25, 2006Date of Patent: August 4, 2015Assignee: DIRTT ENVIRONMENTAL SOLUTIONS LTD.Inventors: Geoff Gosling, Mogens Smed
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Patent number: 8888182Abstract: In the specification and drawings a chair is described and shown with a resiliently flexible frame having a front seat support; a seat slidably engaged to the front seat support; and a back rotatably engaged to the frame, the back being rotatably engaged to the seat.Type: GrantFiled: October 21, 2013Date of Patent: November 18, 2014Assignee: Synergy Product Development, Inc.Inventor: Dragomir Ivicevic
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Patent number: 8851564Abstract: A chair with a foldable desk includes a support leg having a crossbar. A seat plate installed above said support leg includes an upper seat, a lower cover and a coupler into which the crossbar is rotatably inserted. The seat plate rotates between a vertical position and a horizontal position. A back installed above a rear side of the seat plate is capable of tilting forward and rearward with tilting means. A desk installed above a side of the support leg includes an upper plate with an attachment member on its bottom. The upper plate may swing between an upper position and a lower position within an angle range.Type: GrantFiled: November 18, 2011Date of Patent: October 7, 2014Inventor: Won ho Seo
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Patent number: 8622473Abstract: A chair includes a seat and a supporting structure associated for positioning of the seat in an orientation in which the seat has a downward inclination towards its front edge. The supporting structure includes an elongate member on each side of the chair, each member extending substantially continuously between the seat and a rearward region of the chair via a floor-engaging region of the supporting structure. Each elongate member has a generally loop-shaped configuration, with the seat end region of the elongate member overlying the opposite end region of the elongate member, and has an inherent resilience with a bias in which the seat end region is spaced from the opposite end region in the unoccupied state of the chair and the seat has the desired forwardly-downward inclination, wherein the resilience is selected such that the seat end region approaches or comes into engagement with the opposite end region when the chair is occupied.Type: GrantFiled: June 2, 2009Date of Patent: January 7, 2014Inventor: Susan Walsh
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Patent number: 7997651Abstract: An improved knockdown chair having opposing substantially C shaped support arms, substantially L shaped tubular seating arrangement, sock type seating portion cover, front reinforcing member, and bottom reinforcing member, wherein each of the opposing substantially C shaped support arms are of laminate construction and have an upper arcuate arm support, front arcuate portion, and substantially straight bottom, the substantially L shaped tubular seating arrangement having a tubular seat back and tubular sitting portion telescopically interconnected one to the other, and wherein each of the opposing substantially C shaped support arms is opposingly removably fastened to the substantially L shaped tubular seating arrangement, the improvement comprising combination with each of the opposing substantially C shaped support arms of a substantially S shaped reinforcing member of laminate construction removably fastened to the upper arcuate arm support and the substantially straight bottom for reinforcing each of theType: GrantFiled: August 6, 2010Date of Patent: August 16, 2011Inventor: Ziming Shen
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Patent number: 7875226Abstract: A method of making an armrest that is mountable between adjacent left and right passenger seats includes: separately forming two receptacle parts by molding a prepreg in a first mold assembly, the receptacle parts being adapted to hold personal objects and each having a looped wall surrounding a slot; forming an armrest frame by molding a prepreg in a second mold assembly, the armrest frame including a lower frame portion having a plurality of downwardly extending legs, and an upper frame portion disposed on top of and bridging the legs; and positioning the receptacle parts within the second mold assembly and combining the receptacle parts with the upper frame portion during the forming of the armrest frame in the second mold assembly, thereby providing a one-piece unitary structure having the receptacle parts and the armrest frame.Type: GrantFiled: July 21, 2008Date of Patent: January 25, 2011Assignee: Advanced International Multitech Co., Ltd.Inventors: Ping-Hui Ma, Yu-Lung Chen, Ching-Kun Lee
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Patent number: 7775590Abstract: An improved knockdown chair having opposing substantially C shaped support arms, substantially L shaped tubular seating arrangement, sock type seating portion cover, front reinforcing member, and bottom reinforcing member, wherein each of the opposing substantially C shaped support arms are of laminate construction and have an upper arcuate arm support, front arcuate portion, and substantially straight bottom, the substantially L shaped tubular seating arrangement having a tubular seat back and tubular sitting portion telescopically interconnected one to the other, and wherein each of the opposing substantially C shaped support arms is opposingly removably fastened to the substantially L shaped tubular seating arrangement, the improvement comprising combination with each of the opposing substantially C shaped support arms of a substantially S shaped reinforcing member of laminate construction removably fastened to the upper arcuate arm support and the substantially straight bottom for reinforcing each of theType: GrantFiled: March 4, 2008Date of Patent: August 17, 2010Inventor: Ziming Shen
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Patent number: 7384100Abstract: A flexible chair that includes a seat member with seat bottom and back rest portions, first and second pairs of legs, and a plurality of cross members. The pair of first legs are pivotly connected to rearward positions of the seat bottom portion and extend downwardly and forwardly from the seat bottom portion. The pair of second legs are pivotly connected to forward positions of the seat bottom portion and extend downwardly and rearwardly from the seat bottom portion, such that the first legs cross the second legs. The plurality of cross members connect the first and second legs together such that the seat member is rearwardly reclinable against a resilient force provided by at least one of the first pair of legs, the second pair of legs and the plurality of cross members.Type: GrantFiled: May 6, 2005Date of Patent: June 10, 2008Inventors: Charles O. Perry, Marco C. Perry
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Patent number: 6435615Abstract: In a chair having a pivoting backrest, displacement of a seated person's clothing is minimized by yieldably mounting a pivot axis for the backrest so that the pivot axis is lowered in elevation as the person's back leans against the backrest.Type: GrantFiled: August 8, 2000Date of Patent: August 20, 2002Inventor: Otto Zapf
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Patent number: 5586808Abstract: A chair has two lateral frame parts, each one in the form of a single, continuous member of an elastically yielding material. Transverse rods are connected between the lateral frame parts. A seat is connected to at least one of the transverse rods and a back rest is connected to at least one of the transverse rods. The single member of the lateral frame parts is preferably made of spring steel. Connecting elements that are slipped onto the lateral frame parts are used for connecting the transverse rods to the lateral frame parts. The connecting parts can be balls having throughbores for receiving the lateral frame parts and threaded holes, extending substantially perpendicularly to the throughbores, for receiving the transverse rods.Type: GrantFiled: April 21, 1995Date of Patent: December 24, 1996Inventor: Frank Oelke
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Patent number: 5335966Abstract: A frame for use in a cantilever chair comprises vertical pose portions (12) connectable to a seat shell (24). Base portions (36) are connected to points of the post portions (12) lying above the lower ends thereof, the base portions (36) thus being sloped in downward direction. Thus the base portions (36) do not engage the floor (34) along their entire length and provide for additional spring action under load conditions.Type: GrantFiled: March 19, 1992Date of Patent: August 9, 1994Assignee: Fritz Hansen A/SInventor: Burkhard Vogtherr
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Patent number: 5112107Abstract: A spring-action chair comprising a seat frame having left and right sides and left and right spring-action support means rigidly secured to the left and right sides of the seat frame for elevating the seat frame above the ground. Each support means comprises an elongated, continuous support member of composite configuration having sections which include a first section extending upwardly and rearwardly from a first ground engaging end along a first angle, the member then having a first reversed bend in an elevated horizontal intermediate section extending forwardly therefrom, adjacent the seat frame to a second reversed bend, with the member then having a second angular section extending downwardly and rearwardly at a second angle and terminating at a second ground engaging end.Type: GrantFiled: September 12, 1990Date of Patent: May 12, 1992Assignee: Brown Jordan CompanyInventor: Fred C. Doughty
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Patent number: 5071191Abstract: A chair comprising a combination of metal and wooden members provides a pleasing aesthetic warm appearance and a durable structure with a pivotal rocking action for the seat and backrest. A cut-out portion of the front leg houses a rectangular metal post constituting a metal bracket to support the pivotal function of a frame for the seat and backrest. A plate or panel can overlay the metal post inset in the front leg to retain an overall substantially wooden appearance to the chair.Type: GrantFiled: April 16, 1990Date of Patent: December 10, 1991Inventor: Roger K. Leib
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Patent number: 4946224Abstract: A chair comprising a combination of metal and wooden members provides a pleasing aesthetic warm appearance and a durable structure with a pivotal rocking action for the seat and backrest. A cut-out portion of the front leg houses a rectangular metal post constituting a metal bracket to support the pivotal function of a frame for the seat and backrest. A plate or panel can overlay the metal post inset in the front leg to retain an overall substantially wooden appearance to the chair.Type: GrantFiled: March 21, 1988Date of Patent: August 7, 1990Inventor: Roger K. Leib
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Patent number: 4938530Abstract: A chair particularly suited for institutional multipurpose rooms, and the like, includes a base and a shell with a back and a seat which are constructed for generally contemporaneous movement. A first support connects the base with a medial portion of the seat to support the same in a cantilevered fashion, and is resiliently flexible to permit the shell to rock in response to fore-to-aft movement of a seated user. A second support connects the base with the back, and is also resiliently flexible to permit and control the rocking motion of the shell in a manner that provides improved comfort, and reduces sitting fatigue. Preferably, the support also permits the shell to move in a controlled manner from side to side in response to lateral movement of a seated user.Type: GrantFiled: August 22, 1988Date of Patent: July 3, 1990Assignee: Steelcase, Inc.Inventors: Carlon D. Snyder, Robert M. Scheper
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Patent number: 4920591Abstract: An inflatable support device for use in a chair includes two flexible, generally rectangular outer elements which are sealingly connected along corresponding peripheral edge portions, a plurality of parallel connection elements positioned between and connected to the rectangular outer elements and shaped so as to cause one of the outer elements to have a sinusoidal configuration when the support device is filled with air, and an air port connected to one of the rectangular outer elements.Type: GrantFiled: July 25, 1985Date of Patent: May 1, 1990Inventors: Hiroshi Sekido, Toshimichi Hioki
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Patent number: 4911500Abstract: A spring chair has a seat frame and a base frame including an upper portion fixed to the seat frame, spaced front leg portions extending generally vertically down from said upper portions at the front of the seat portion, and base portions extending horizontally rearwardly from the leg portions to underlie the seat portion. The leg portions and base portions extend from a right angular bend portion and have lengthwisely extending openings. Unitary right angular springs inserted in the openings provide spring resilience to the bend portions which will restore them to normal position. The springs are preinserted in the linear extrusion strip which is bent to the base frame confuguration so that extrusion bending and spring bending occur simultaneously.Type: GrantFiled: September 20, 1988Date of Patent: March 27, 1990Assignee: Crown Leisure Products, Inc.Inventor: Herbert C. Saiger
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Patent number: 4790596Abstract: Chair having a frame formed of resilient rods bent to a U-shaped configuration for resiliently supporting a person sitting on the chair.Type: GrantFiled: June 26, 1987Date of Patent: December 13, 1988Inventor: Tessema D. Shifferaw
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Patent number: 4787672Abstract: An article of seating furniture (1) is constructed as a free oscillator having side members (6) with substantially Z-shaped resilient supporting sections (7), the supporting sections having a top end portion (9), a bottom end portion (8), and an intermediate portion (10) between them. The end portions (8), (9) of the supporting sections (7) are interconnected via a rod-shaped resiliently deformable reinforcing member (12) inclined oppositely to the intermediate portion (10) of the supporting sections. This construction prevents the chair from oscillating or seesawing excessively.Type: GrantFiled: May 12, 1987Date of Patent: November 29, 1988Assignee: VS Vereinigte Spezialmoebelfabriken Verwaltungs GmbHInventor: Hans-Hugo Werner
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Patent number: 4618185Abstract: An ergonomic chair comprising:a substantially rigid seat structure (2,2'),a substantially rigid back structure (1,1'), articulated to the seat structure,a base (5,5') resting on the floor,a legs structure comprising on each side a pair of crossing legs (3,3', 4,4'), one (4,4') of which is articulated at the upper end to the front portion of the seat structure (2,2'), is provided with a slider (8,8') for the other leg (3,3') and is bound at the lower end to the base (5,5'), whereas the other leg (3,3'), which is elastically bending deformable, is articulated at the upper end to the back structure (1,1'), leans against a back stud (9,9') applied to the seat structure (2,2') engages with the slider (8,8') foreseen in the other leg (4,4') and is bound at the lower end to the base (5,5').Type: GrantFiled: September 18, 1985Date of Patent: October 21, 1986Inventor: Yaacov Kaufman
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Patent number: 4555139Abstract: A chair, especially suited for use by sitters lacking in normal strength, provides a lilting motion without shifting the base of the chair, and provides support and assistance to the sitter in exiting the chair. The seat and back of the chair are supported by continuously flexible members, and the back is orthopaedically designed for maintaining spinal support, even as a user of the chair moves with the motion of the chair.Type: GrantFiled: March 30, 1983Date of Patent: November 26, 1985Inventor: Roger K. Leib
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Patent number: 4545615Abstract: A seating unit comprises a pair of armrests, a first backrest secured between rearward ends of the armrests and disposed in cantilevered relationship therewith on the seating unit, a second backrest disposed in unattached relationship below the first backrest, and a seat secured in the seating unit between front and rearward sides thereof. The arm and backrests, as well as front and rear legs adapted to be used with the seating unit, are covered with a replaceable and exposed protective covering. The covering is composed of an elastomeric cushioning material, such as foamed neoprene, adapted to absorb impact loads imposed thereon. Each backrest preferably includes a semi-rigid flexible plastic strap adapted to flex and deform to at least substantially conform to the contour of the back of a person resting thereagainst.Type: GrantFiled: September 6, 1983Date of Patent: October 8, 1985Assignee: Metropolitan Furniture Corp.Inventor: Brian J. Kane
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Patent number: 4529246Abstract: A chair is provided which finds primary, although not exclusive, use as a patient's chair in a hospital room. The chair is formed of both rigid and flexible resilient members, composed respectively, for example, of tubular and flat barstock spring steel, which is configured to form a frame for the chair, and which provides a base, front legs, and support for the seat, back and arm rests of the chair; and a web-like member attached to the frame to constitute the seat and back of the chair. The seat and back are supported on the frame for resilient reciprocal movement. A pair of arm rests are attached to the frame, on either side of the seat. The web-like member, for example, may be formed of polyester mesh. An upholstered cover may be provided which may be attached to the web-like member by strips of Velcro and plastic rivets. The upholstered cover may be formed of vinyl, or other appropriate material, although the patient may sit directly on the web-like material.Type: GrantFiled: March 30, 1981Date of Patent: July 16, 1985Inventor: Roger K. Leib