Bottom Detachably Or Slidably Connected To Back Patents (Class 297/57)
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Patent number: 11666152Abstract: Various embodiments of the present disclosure relate to folding furniture, and more specifically, to folding chairs with the ability to support their own weight and stand while in a folded position. In an embodiment, a folding chair configurable in an unfolded position and a folded position comprises a first leg assembly, a second leg assembly, a seat, and a chair back fixed between the first and second leg assemblies. The first and second leg assemblies each comprise an outer leg pivotally coupled with an inner leg, such that in the folded or unfolded positions, the first and second leg assemblies support the folding chair. The seat comprises a support bar and is pivotally coupled with each inner leg of the first and second leg assemblies, such that in the unfolded position, the seat provides support for a person when the support bar contacts a portion of the first outer leg and a portion of the second outer leg preventing overextension of the seat.Type: GrantFiled: July 6, 2021Date of Patent: June 6, 2023Assignee: Backyard Nature Products, LLCInventors: Ryan Hale, David Demarco
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Patent number: 10842278Abstract: A folding chair comprises a front leg assembly having spaced inner rail members, a rear leg assembly, and a seat assembly. The rear leg assembly comprises spaced legs pivotally connected to the inner rail members about a first pivot axis, which is substantially coplanar with the longitudinal axes of the inner rail members. The seat assembly comprises spaced arms having distal ends pivotally connected to upper ends of the legs about a second pivot axis, and central portions pivotally connected to the inner rails about a third pivot axis substantially coplanar with the first pivot axis. The third pivot axis is moveable along the longitudinal axes of the inner rail members and toward and away from the first pivot axis as the chair is reconfigured between its deployed and folded orientations.Type: GrantFiled: August 9, 2019Date of Patent: November 24, 2020Assignee: OGG Design, Inc.Inventor: Richard Ogg
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Patent number: 10681985Abstract: A folding chair comprises two front tubular legs, two rear tubular legs and a seat cushion board, with the front tubular legs intersecting the rear tubular legs. Two washers are arranged at an intersection of the front and rear tubular legs, such that each washer is located between a front tubular leg and a rear tubular leg. A pin passes through the front tubular leg, the washer and the rear tubular leg successively. The washer includes a curved base and a bowl-shaped support which is located in a central area of the curved base, and a through hole is formed at the center of the bowl-shaped support. The curved base is fixedly connected to the front tubular legs.Type: GrantFiled: April 2, 2018Date of Patent: June 16, 2020Assignee: Dongguan Shichang Metals Factory Ltd.Inventor: Chenkang Lin
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Patent number: 9179778Abstract: A folding chair comprises a supporting leg with two same or symmetrical sides, a seat cushion and a backrest, wherein the supporting leg comprises a front supporting rod and a back supporting rod which are crossed mutually. The front supporting rod extends outwardly to the upside of the seat cushion to form backrest sections. The seat cushion is mounted on a seat cushion rod. The front part of the seat cushion rod is movably hinged on the upper end of the back supporting rod. The back part of the seat cushion is movably hinged on the middle part of the front supporting rod. The front supporting rod or the back supporting rod is hinged with a sliding sleeve. The back supporting rod or the front supporting rod is penetrated through the sliding sleeve to form a movably crossed structure and a stressed support.Type: GrantFiled: February 19, 2014Date of Patent: November 10, 2015Assignee: Zenithen USA LLCInventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
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Patent number: 8979185Abstract: A folding chair has a seat component, a back component and a leg component. The seat component has a seat rear and a guide-support bar. The leg component comprises two pairs of legs, the first pair comprising a first and second leg and the second pair comprising a third and fourth leg. A cross member extends from the third leg to the fourth leg. The back component comprises a vertical element. The bottom of the vertical element is connected to the cross member and extends upwardly therefrom. The seat front is pivotally attached to the first and second legs and the seat rear is not connected to either the leg component or the back component, allowing the seat rear to slidably travel along vertical element. When the seat rear is at the vertical element top, the chair is in a folded configuration. When the seat rear is situated at the vertical element bottom, the chair is in a first sitting configuration.Type: GrantFiled: August 18, 2014Date of Patent: March 17, 2015Inventor: Ray H. Redel
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Patent number: 8851561Abstract: A convenient telescopic folding chair includes a front foot, back cushion, rear foot, seat cushion, and telescopic rods arranged between the rear foot and the seat cushion. The front foot pivots on the rear foot by connecting components. The back cushion is inserted into two ends of the front foot. The rear foot connects the seat cushion through two telescopic rods arranged to two ends of the rear foot. The seat cushion is further connected to the front foot through connecting components. The seat cushion includes a tube frame and a cushion. The cushion is fixed to the frame will two plugs formed to two lateral sides of the cushion inserting into two ends of the frame so as to form a convenient, space-saving, light and fine folding chair.Type: GrantFiled: September 27, 2010Date of Patent: October 7, 2014Inventor: Tsung-Chieh Huang
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Patent number: 8579367Abstract: The present invention is directed to Anti-ballistic Chairs with the preferred embodiment consisting of a conventionally appearing stacking chair with padded seat cushion and back rest, having a tubular framework with arm rests, having the addition of a skirt section below the seat extending to the floor level. The core of the chair will consist of layers of flexible anti-ballistic fabric, also known as soft armor, wrapped in two directions around the tubular members of the back rest, seat and skirt section. Alternatively, the stacking chair will be constructed of pre-manufactured hard anti-ballistic armor components, also known as hard armor. Two additional embodiments will be folding chairs with tubular frameworks, the first having hard armor anti-ballistic surfaces and the second being able to have hard armor or soft armor anti-ballistic surfaces.Type: GrantFiled: December 30, 2011Date of Patent: November 12, 2013Assignee: Peters Security International, IncInventors: Fred E. Peters, Jens Wemhoener
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Patent number: 7938484Abstract: A foldable chair includes a pair of front legs, a pair of rear legs, a seat and a backrest. The front legs and rear legs are hinged together to form a scissor-shape. The seat is hinged with the rear legs rotatably through a connecting piece fixed on the back of the seat. Each of the front legs has a connecting sleeve which can be slid along the front leg. The connecting sleeves are hinged to the seat. A protrusion is disposed on each front leg to stop the connecting sleeve to slide downwardly and keep the seat on unfolded position. The seat of the foldable chair can slide upwardly along the front legs.Type: GrantFiled: March 31, 2009Date of Patent: May 10, 2011Assignee: New-Tec Integration (Xiamen) Co., Ltd.Inventor: Luhao Leng
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Patent number: 7857379Abstract: A folding chair, including a first folding support and a second folding support, the first folding support includes a first front leg, a first back leg and a seat, the upper-end of the first front leg is pivotally connected to the lateral front-end of the seat, the first front leg is pivotally cross-linked with the first back leg, the lateral side of the seat is slidably and pivotally connected to the first back leg; the second folding support includes a second front leg, a second back leg and a second horizontal bearing-rod, connection of the second folding support is similar to that of the first folding support.Type: GrantFiled: July 27, 2004Date of Patent: December 28, 2010Assignee: New-Tec Integration (Xiamen) Co., Ltd.Inventor: Luhao Leng
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Patent number: 6976733Abstract: A folding chair suitable for outdoor use includes a table supporting arm and a foldable table that rotates between a position for use by one seated in the chair and a stowed position. The chair can be folded flat with the table parallel to the folded chair legs.Type: GrantFiled: December 7, 2004Date of Patent: December 20, 2005Assignee: Bryant Park Restoration Corp.Inventors: Daniel A. Biederman, Ignacio Juan Ciocchini
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Patent number: 6709050Abstract: A folding chair with a front chair leg pivotally connected to a rear chair leg at a pivot point. The front leg has an elongated slide with a slide washer. A slide magazine having a U-shaped cross-section is movably disposed in the slide of the front chair leg. A bottom end of the slide magazine includes a fitting hole to receive a rear pivot shaft of the seat. The rear chair leg is pivotally connected to the front chair leg at the pivot point. The pivoting sections of the seat and front and rear chair legs are all hidden, with only the pivot point exposed. The chair is light and easy to operate.Type: GrantFiled: June 19, 2002Date of Patent: March 23, 2004Inventor: Tsung-Chieh Huang
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Patent number: 6682138Abstract: A molded resin folding chair having a pair of uprights generally parallel to and spaced apart from each other being connected by at least one cross piece forming a backrest. At least a portion of each upright has a generally C-shaped channel. A seat has a rear portion and opposite sides thereof provided with a tab that is slidably engaged in the C-shaped channel of a respective upright. A pair of struts each have an upper end rotatably attached to the seat and a medial region rotatably attached to respective uprights. The folding chair is folded by sliding the rear of the seat upwards, causing the front portion to move downwards, via the tabs sliding in the C-shaped channels. The struts rotate about the rotatable attachments to the seat and uprights, such that the uprights, struts and the seat fold as flat as possible.Type: GrantFiled: March 29, 2002Date of Patent: January 27, 2004Assignee: Adams Mfg. Corp.Inventors: William E. Adams, Matthew W. Goodworth
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Publication number: 20030234562Abstract: Slide rail-type metal foldable chair. The front chair leg is pivotally connected with outer side of the rear chair leg at a pivot point. The inner side of the front chair leg is formed with a slide rail. A slide rail washer is laid on the opening of the slide rail. A slide magazine is up and down slidably disposed in the slide rail of the front chair leg. The bottom end of the slide magazine is formed with a fitting hole. A rear pivot shaft of the seat for pivotally connecting with the front chair leg is fitted through the fitting hole and located therein. The inner wall of top end of the rear chair leg is formed with a pivot hole. The front pivot shaft of the seat is fitted through the pivot hole and located therein by a retainer ring. Therefore, the pivoted sections of the seat and the front and rear chair legs are all hidden and only the pivot point of the front and rear chair legs is exposed. The foldable chair is light and can be easily operated.Type: ApplicationFiled: June 19, 2002Publication date: December 25, 2003Inventor: Tsung-Chieh Huang
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Patent number: 6435607Abstract: A folding massage chair structure, the innovative features of which includes the fixing of guide sleeves at the rear surface of the chair back. The guide sleeves have inserted through them guide rods and the center sections of the guide rods are conjoined to the seat cushion. The lower sections of the guide rods are conjoined to the chair leg. There are support plates installed on the lower guide sleeves, with the upper ends of the support plates conjoined to rear end of the seat frame. When the seat cushion is pulled upward, the pivotably interconnected structure allows the massage chair to be completely folded.Type: GrantFiled: November 30, 2000Date of Patent: August 20, 2002Inventor: Tsan-Chin Liu
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Patent number: 5813721Abstract: A two piece portable chair movable between a use and a storage position. A seat member has two elongated side members with a number of slats fastened transversely across the side members. A back has two elongated side members with a flexible back supporting sheet across the side members, two cross pieces at the ends and two spaced support members extending transversely between the side members. The seat can be inserted between the support members for use as a chair. The seat can also be inserted lengthwise between the back side members and wedged in place to provide a compact package for transport and storage. Tapered ends on the seat side members wedge between the support members to hold the seat in place. One of the cross pieces provides a convenient carrying handle. Movable brackets may be provided, pivotable on a rod extending between the seat side members or between the back side members to allow the angle between seat and back to be varied.Type: GrantFiled: June 30, 1997Date of Patent: September 29, 1998Inventor: Augustine D. Arcidiacono
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Patent number: 5597101Abstract: A device which may be used as a backpack frame in a first functional position and as a chair with backrest in a second functional position, while still providing ready access to the backpack, supported by the frame. The device is comprised of a generally rectangular outer leg frame, and an inner leg assembly, whose over-all width is marginally narrower than the horizontal inside dimensions of the outer leg frame side members, allowing pivotal connection of the respective frames, and having a seat frame member, pivotally supported by the upper end portions of the inner leg assembly, and guidably contained within the upper portions of the outer leg U channels, which form the outer leg frame side members.Type: GrantFiled: March 22, 1995Date of Patent: January 28, 1997Assignees: Gary D. Avery, Ted BarberInventors: Ted Barber, Gary D. Avery
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Patent number: 5464268Abstract: A garden folding deck-chair comprising locking pins (18) designed to pass through rack-type toothings (17) in order to establish the various positions of the back and seat and corresponding different positions of use. A guide groove (19) is provided in proximity to each rack toothing (17), and each locking pin (18) is forced and guided in the said guide groove (19), in order to prevent any displacement of the toothing away from the pin.Type: GrantFiled: August 23, 1993Date of Patent: November 7, 1995Assignee: Fast S.p.A.Inventor: Stefano Levrangi
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Patent number: 4890881Abstract: This invention relates to a multi-position, foldable armchair whose backrest inclination and seat height are adjustable, comprising, on each side, a crossed support of which the rear leg is articulated about a pivot pin under the front part of a seat and of which the front leg is connected to the rear part of the latter by a finger-rack arrangement. It also comprises a backrest articulated about a pivot pin on the front leg. Finally, it comprises an armrest articulated about a pin on the backrest and connected by a pin-rack arrangement to a compass element of which the front arm is articulated about a pin on the seat and of which the rear arm is articulated about the pin on the front leg. According to the invention, the rack of the seat is disengageable from the finger of the front leg and the rack of the armrest is releasable from the finger of the compass element, so that the armchair can be folded down flat.Type: GrantFiled: June 8, 1989Date of Patent: January 2, 1990Assignee: Grosfillex S.A.R.L.Inventors: Marc Ollat, Norbert Kleinklaus
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Patent number: 4415201Abstract: A folding chair having a reversible seat wherein the two faces of the seat are preferably made of different materials. At the inner side of each long leg of the chair there is a a sliding groove to facilitate up and down sliding movement of the chair seat during the process of changing the chair seat and the chair back. A leaf spring is provided in the chair back for adjusting it an appropriate angle to fit the user wherein the chair back is automatically restored to its original position upon removal of pressure thereon.Type: GrantFiled: April 28, 1981Date of Patent: November 15, 1983Inventor: Teng-Ching Wang
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Patent number: 4014591Abstract: A collapsible chair providing a lightweight, strong, and sturdy chair when unfolded and providing a compact elongated structure when collapsed. The collapsible chair includes a fabric seat supported in suspended relationship at four corners by a frame assembly comprised of a plurality of legs pivotably connected together. The frame assembly includes a pair of pivotal crossed rear brace legs and a pair of pivotal crossed front brace legs joined by a pair of brace leg assemblies which define the opposite sides of the frame. The pair of brace leg assemblies each include three pivotally connected brace legs, two of these brace legs of each pair of assemblies being connected by a pivotable stop link which permits relative pivotal movement of these brace legs and provides a means for restraining the three brace legs in their proper positions when the chair is in its open position.Type: GrantFiled: September 19, 1976Date of Patent: March 29, 1977Assignee: Gold Medal, Inc.Inventor: Robert S. Gittings