Collapsible Chair; I.e., Relatively Folding Bottom, Back, And Legs Patents (Class 297/16.1)
  • Patent number: 7213875
    Abstract: This foldable chair comprises a frame forming the backrest and the forward prop and being articulately linked to a second frame forming the backward prop and to a plate forming the seat. A characterising feature lies in that the seat is linked in a pin-jointed connection and by means of a link to the second frame, said link having each of its respective ends linked in a pin-jointed connection to the respective one of two pieces being fixedly attached to the lower surface of the seat and to the lower surface of the cross member of the second frame, respectively, the seat coming to rest on this latter cross member.
    Type: Grant
    Filed: May 5, 2005
    Date of Patent: May 8, 2007
    Assignee: Jane, S.A.
    Inventor: Manuel Jane Santamaria
  • Patent number: 7192083
    Abstract: A folding linkage, especially for a folding chair, has four pivoting bars. In the open position the first bar forms one side of a triangle. The second and third bars are colinear to form a second side of the triangle and the fourth bar forms the third side of a triangle in the closed position the four bars are substantially aligned. The fourth bar is joined to the first bar by a pivot which moves along a curved path.
    Type: Grant
    Filed: January 8, 2002
    Date of Patent: March 20, 2007
    Assignee: The Folding Company Limited
    Inventor: Marion Mainstone
  • Patent number: 7192082
    Abstract: A portable seating device is provided in the form of at least two horizontal planks having respective coupling ends along which such members may be joined. The underside surfaces of these planks are provided with vertical support containment means. Such vertical support containment means serve to contain and localize the upper end of a central vertical support placed against the underside surfaces of the two horizontal seating members, overlapping their connected coupling ends. A preferred central vertical support is a tapered pail or bucket which may or may not have its carrying handle removed. Additional vertical supports may be provided to underlie further portions of the underside surfaces of the horizontal planks, deployed symmetrically on either side of the central vertical support and similarly localized against the underside surfaces.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: March 20, 2007
    Inventor: Thomas H. Tennian
  • Patent number: 7185948
    Abstract: A collapsible reclining chair allowing users to adjust the recline angle according to their desire, and allowing users to use it safely. It comprises a supporting frame consisting of a front and a rear leg frame, a seat tubes, arm tubes a back frame, a feet frame, an armrest pad and a lying pad. The front leg frame and the arm tubes have a fastening device, which is for users to adjust and fix the position of the chair according their desires. A safety device is mounted on the linkage between the rear leg frame and the seat tubes. The safety device is used to fasten and fix the supporting frame, so that the supporting frame will not shift easily due to external force, thus allowing user to use the reclining chair more safely and comfortably.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: March 6, 2007
    Inventor: Lausan Chung-Hsin Liu
  • Patent number: 7168761
    Abstract: A child carrier frame includes a lower frame, an upper frame and a frame support. The frame may be adjusted between an upright position, for use, and a folded position. During folding, the carrier frame may be adjusted both to reduce its height and its width, such that a folded size is obtained that is smaller in at least two dimensions than a similar carrier frame folded to reduce only one of its height and width.
    Type: Grant
    Filed: November 26, 2004
    Date of Patent: January 30, 2007
    Assignee: 634182 Alberta Ltd.
    Inventors: Daniel William Britton, Imad Assaf
  • Patent number: 7156459
    Abstract: A stackable chair has a backrest mounted on back supports by resilient mount units for tilting between an upright position and a tilted-back position. Each mount unit includes a rigid coupling member having a lower portion received within an upper end portion of the respective back support and pivotally joined to the respective back support and having an upper portion received within and affixed to a socket in the backrest. A compression spring received within the upper end portion of the back support and engaged between the lower portion of the coupling member and a front wall of the respective back support biases the backrest to the upright position. An armrest is slidably supported on an armrest support for simultaneous and controlled pivotal movement about a substantially vertical pivot axis of a rearward part of the armrest relative to a forward part of the armrest and translatory movement in a plane perpendicular to the pivot axis. Movements of the armrests permit dense stacking of the chairs.
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: January 2, 2007
    Assignee: Center for Design Research and Development N.V. c/o Open Ark B.V.
    Inventor: Emilio Ambasz
  • Patent number: 7156456
    Abstract: A foldable chair has a supporting shaft assembly, a frame assembly, a connecting shaft assembly and a cushion mounted on the frame. The supporting shaft assembly has two parallel rockers connected by multiple transverse shafts and four curved shafts rotatably mounted respectively on ends of the rockers. Thus, the foldable chair can be used as a general chair or a rocking chair. A frame assembly has two seat bars, a backrest bar pivotally mounted on the seat bars, a foot bar and two armrests pivotally mounted on the foot bars. The connecting shaft assembly has two rear shafts and two front shafts all connected with the seat bars and the rockers and further has two positioning boards mounted on the rockers and each positioning board has detents. The rotatable curved shafts on the rockers allow the foldable chair to be used as a general chair or a rocking chair.
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: January 2, 2007
    Inventor: Chih-Liang Chen
  • Patent number: 7147277
    Abstract: A chair. The chair folds by a plurality of hinges between an expanded position and a collapsed position to seat a person substantially horizontal while the chair is positioned on an angled surface. The chair comprises a back assembly, a seat assembly, a leg assembly, a seat, an arm assembly, and a foot assembly. The chair further comprises at least one anchor that is configured to penetrate the angled surface in order to stabilize the chair on the angled surface.
    Type: Grant
    Filed: November 4, 2005
    Date of Patent: December 12, 2006
    Inventor: Greg Miller
  • Patent number: 7144078
    Abstract: A foldable furniture device includes a looped frame, two first leg sections, and two second leg sections connected pivotally and respectively to the first leg sections so as to move between folded and unfolded states. Two sleeve units are sleeved slidably and respectively on the first leg sections, and each includes a positioning hole. Each sleeve unit slides toward and away from top ends of the first leg sections in the unfolded and folded states, respectively. Two locking units are inserted respectively into the first leg sections, and each includes a resilient positioning member that extends through a through hole in the corresponding first leg section to engage the positioning hole when the first and second leg sections are pivoted to the unfolded state so as to lock each sleeve unit against sliding movement.
    Type: Grant
    Filed: May 6, 2005
    Date of Patent: December 5, 2006
    Assignee: Habitex Corporation
    Inventor: Duan-Cheng Hsieh
  • Patent number: 7124849
    Abstract: A tricycle includes a body with a handlebar stand pivotally connected to a front portion of the body to steer a front wheel rotatably mounted on a front wheel bracket which is mounted to a front side of the body, two rear wheels rotatably and oppositely mounted on a rear side of the body and respectively driven by a motor, two side plates respectively formed on the body to be opposite to each other for supporting a user's feet, a seat pivotally mounted on top of the body and a backrest frame pivotally mounted on top of the body and detachably connected to the seat.
    Type: Grant
    Filed: January 16, 2004
    Date of Patent: October 24, 2006
    Assignees: Taiwan An I Co., Ltd.
    Inventor: Shun-Tai Huang
  • Patent number: 7080877
    Abstract: A folding chair is configurable into a use position and a storage position. The folding chair includes a backrest, a seat, and inner and outer support structures. The outer support structure includes substantially parallel first and second elongate outer support members, each having an upper portion attached to the backrest and a lower portion disposed adjacent an underlying surface when the chair is in the use position. The seat is pivotally attached to the outer support structure between the first and second elongate outer support members. The inner support structure is pivotally attached to the outer support structure between the first and second elongate outer support members. The inner support structure includes substantially parallel first and second elongate inner support members disposed on opposing sides of the seat. Upper portions of the first and second elongate inner support members are slidably attached to the seat.
    Type: Grant
    Filed: October 29, 2004
    Date of Patent: July 25, 2006
    Assignee: Maxchief Investments, LTD
    Inventor: Hsin-Hung Tsai
  • Patent number: 7080417
    Abstract: A chair includes a support having one or more vertical rails to slidably receive one or more brackets, each bracket includes an opening formed between two ears, a seat plate includes one or more cams disposed in the opening of the bracket and rotatably secured to the ears of the bracket with a shaft, to allow the seat plate to be rotated relative to the bracket and the support. The cam may engage with the rail to support the seat plate in a folding position when the seat plate is parallel to the support, and may also to engage with the rail to support the seat plate in an open and working position when the seat plate is perpendicular to the support.
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: July 25, 2006
    Inventor: Jin Shan Jiang
  • Patent number: 7052403
    Abstract: A child swing comprises a frame including first and second rear legs and first and second housings. First and second fold mechanisms pivotally connect the first and second rear legs to the first and second housings, respectively. The fold mechanisms each include a socket member to receive an upper end of the respective leg. The socket member is pivotally mounted to the respective housing to guide pivoting movement of the respective leg relative to the respective housing. The fold mechanisms each can further include a release lever pivotally mounted to the socket member, and a locking pin connected to the release lever for engagement with the respective housing to facilitation positioning of the respective leg in an in-use position and in a folded position.
    Type: Grant
    Filed: November 7, 2003
    Date of Patent: May 30, 2006
    Assignee: Graco Children's Products Inc.
    Inventors: Matthew J. Ransil, Michael L. Longenecker, Paul B. Nelson
  • Patent number: 7052084
    Abstract: Apparatus for dispensing shampoos in cooperation with a counter-top sink has a chair seat, with legs hingedly attached for movement between a first extended, seat supporting position and a second, folded position for portability; a seat back hingedly attached to the chair seat for movement between an erect position and a folded, portable position, a bowl assembly with a drain adapted for being located over the counter-top sink and at least two extensible support members attached to the bowl at the underside thereof, for movement between a first, bowl supporting position and a second, portable position.
    Type: Grant
    Filed: August 13, 2003
    Date of Patent: May 30, 2006
    Inventor: Elnora Sheri Gillespie
  • Patent number: 7048331
    Abstract: A universal heavy duty, light weight, portable, foldable chair according to the present disclosure comprises a frame 1 comprising four shaped supports 11a, 12a, 13a, 14a held together and in position at the center by a hollowed cylinder hinge 15a. The seat comprises of two cloths 16a and 16b. There exists one piece of cloth 18a and 18b at each side of the chair to act as stabilizer for the frame and the chair as a whole. Cloth 21a will be connected to the two piece cloth assembly 22a at one end and have a locking mechanism 23a at the other to lock with one end of 21b. Cloth 21b will be connected to the two piece cloth assembly 22b at one end and have a corresponding locking mechanism 23b to fit the mechanism 23a at the end of the cloth 21a.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: May 23, 2006
    Inventor: Razmik Saakyan
  • Patent number: 7040635
    Abstract: A portable wheeled dolly for transporting a receptacle of articles, such as a quantity of baseballs to a practice field, where the dolly comprises a pair of spaced apart, elongated frame members, and a U-shaped handle engaging respective first ends of said frame members. Hingedly positioned along a midpoint of the of the frame members is a pivotal platform which functions as a transporting support surface for the receptacle, or as a seat in a static mode. A pair of wheels are provided in proximity to the second ends of the frame members, where the wheels are vertically spaced from the second ends to avoid ground contact in the static mode, but in rolling contact in the transporting mode.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: May 9, 2006
    Inventor: Bradford D. Remole
  • Patent number: 7032965
    Abstract: A foldable shooting chair that will provide a sturdy support for a long gun shooter and includes a tripod base with legs that will fold together. A stool, including a padded seat rotatably mounted on the base and a seat back, support arm and shooting arm carried by and rotatable with the padded seat, the support arm being removable for positioning as a support for either a right or left-handed shooter and as a handle when the tripod legs are folded together.
    Type: Grant
    Filed: August 20, 2004
    Date of Patent: April 25, 2006
    Inventors: Larry D. Howell, Shawn Schrecengost
  • Patent number: 7029064
    Abstract: A collapsible high chair for children comprises a frame, a seat portion, a backrest and an adjusting mechanism, all of which are sequentially connected with. The adjusting mechanism further comprises a pivotal member connecting the seat portion and the frame, a first engaging unit, and a second engaging unit. A sliding piece of the first engaging unit cooperates with two rods and makes the rods be escaped from the restriction of the pivotal member while a button of the second engaging unit cooperates with a cam and makes the cam be escaped from the restriction of the rib. Only when the rods and the cam are simultaneously escaped from the restriction of the pivotal member, the seat portion can be pivotally rotated relative to the frame. Also, the backrest can be rotated relative to the seat portion, so that the volume of the collapsed high chair is very small.
    Type: Grant
    Filed: July 21, 2003
    Date of Patent: April 18, 2006
    Assignee: Wonderland Nurserygoods Co., Ltd.
    Inventor: Shun-Min Chen
  • Patent number: 7011372
    Abstract: A modular chair assembly includes a support frame, a leg frame, a link unit, and a seat mounted on the support frame. The support frame includes a plurality of curved supporting tubes, each of which has opposite first and second ends. The first end of each supporting tube is connected detachably to the second end of an adjacent supporting tube. The leg frame supports the support frame on a support surface, and includes a plurality of leg tubes. The link unit detachably connects one end of each leg tube to the first and second ends of two adjacent ones of the supporting tubes.
    Type: Grant
    Filed: October 8, 2004
    Date of Patent: March 14, 2006
    Assignee: Habitex Corporation
    Inventor: Duan-Cheng Hsieh
  • Patent number: 6974185
    Abstract: A chair includes a seat, two legs, two transverse bars, a first cross bar securely and firmly formed on one of the two legs and sandwiched between the two transverse bars and a second cross bar securely and firmly formed on the other one of the two legs and sandwiched between the two transverse bars. The second cross bar has two securing blocks extending out of two distal ends of the second cross bar and into corresponding two securing holes defined in the inner side faces of the two transverse bars so as to secure position of the second cross bar relative to the seat, the two securing blocks being selectively retracted inside the second cross bar and having escaped the corresponding securing holes. The chair height is able to be adjusted by moving the second cross bar to different securing holes.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: December 13, 2005
    Inventor: Wu-Hong Hsieh
  • Patent number: 6971712
    Abstract: A retractable furniture device includes two supporting units for supporting a seat frame on a base frame. Each supporting unit includes an inclined first support member connected pivotally between a rear end portion of a curved lateral rod of the base frame and a front frame portion of the seat frame, a foldable second support member connected pivotally between a front end portion of the lateral rod and a rear frame portion of the seat frame, and a foldable retracting control member interconnecting pivotally the first and second support members. The retracting control members and the second support members can be folded such that the supporting units are superposed between the base frame and the seat frame.
    Type: Grant
    Filed: May 26, 2005
    Date of Patent: December 6, 2005
    Assignee: Taiwan Shin Yeh Enterprise Co., Ltd.
    Inventor: Chuen-Jong Tseng
  • Patent number: 6969112
    Abstract: A collapsible chair assembly includes a base portion, a back portion, and a plurality of telescopic legs that are pivoted on the base portion. Foot members are provided and may be frictionally engaged to the underside surface of the base portion or on the bottom of the legs when desired to facilitate support on a surface such as sand.
    Type: Grant
    Filed: January 29, 2004
    Date of Patent: November 29, 2005
    Inventor: Milton Sherrill
  • Patent number: 6966564
    Abstract: A foldable creeper has a rolling mechanism coupled to connectors that couple a seat support and back support. A locking mechanism may be provided that retains the creeper in an open position.
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: November 22, 2005
    Assignee: Alltrade Tools LLC
    Inventor: Hector Ray Hernandez, Jr.
  • Patent number: 6938951
    Abstract: A foldable chair includes first and second legs, a backrest, a seat-supporting frame, and a safety lock. The first and second legs are coupled pivotally to each other. The backrest is coupled pivotally to the second leg. The seat-supporting is coupled pivotally to the first leg and the backrest. The safety lock includes a pair of lock parts that are coupled pivotally to each other. The lock parts of the safety lock are coupled pivotally and respectively to the first and second legs.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: September 6, 2005
    Assignee: Taiwan Shin Yeh Enterprise Co., Ltd.
    Inventor: Chuen-Jong Tseng
  • Patent number: 6902230
    Abstract: A foldable child support device includes a main frame unit, first and second frame units, and a seat support member. The main frame unit includes left and right frame portions. The first frame unit includes a first rod member, two arm members connected respectively to the left and right frame portions, and a first connector unit for connecting pivotally the first rod member to the arm members such that the first frame unit is foldable. The second frame unit includes a second rod member, a third rod member connected pivotally to the main frame unit, and a second connector unit for interconnecting pivotally the second rod member and the third rod member such that the second frame unit is foldable. The seat support member is mounted on the main frame unit, and cooperates with the first frame unit to define a seating area.
    Type: Grant
    Filed: August 15, 2003
    Date of Patent: June 7, 2005
    Assignee: Wonderland Nurserygoods Co., Ltd.
    Inventor: Shun-Min Chen
  • Patent number: 6899384
    Abstract: A foldable chair assembly includes a seat frame, a backrest pivoted to the seat frame, a rear leg pivoted to the backrest, and a front leg pivoted to the rear leg and the seat frame. When the chair assembly is folded, the seat frame, the backrest, and the front and rear legs lie substantially in the same plane in such a manner that the seat frame extends within the backrest, the backrest extends within the rear leg, and the rear leg extends within the front leg.
    Type: Grant
    Filed: March 26, 2004
    Date of Patent: May 31, 2005
    Assignee: Taiwan Shin Yeh Enterprise Co., Ltd.
    Inventor: Chuen-Jong Tseng
  • Patent number: 6899383
    Abstract: Disclosed is a folding chair comprising a frame and a seat sheet, which has means for protecting a user's vertebral column and means for expanding the seat to improve its seating comfort and stability. The expanding means are connected to both sides of the seat, and the protecting means is coupled at its opposite ends to armrests, upper portions of frame elements or the expanding means. The expanding means are hanged on projections formed by bending upper portions of the front frame elements. The protecting means is held at a certain height on a back rest of the chair but being allowed to be laterally moved by holding means, thereby enabling length of the protecting means to be adjusted. The folding chair may have one or more means for protecting a user's vertebral column.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: May 31, 2005
    Inventor: Joo-Hwan Hwang
  • Patent number: 6896575
    Abstract: An infant activity center includes a tray, a base and substantially-straight pylons. The tray has an infant-receiving opening. Each pylon has a lower portion which is directly or indirectly rotatably attached to the base and each pylon has an upper portion which is directly or indirectly rotatably attached to the tray enabling the tray and the base to be relatively rotated and folded from a use position to a storage position. Each of the pylons is substantially vertical when the tray and the base are in the use position.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: May 24, 2005
    Assignee: Evenflo Company, Inc.
    Inventors: Paul Fair, Jeffrey Steininger
  • Patent number: 6890026
    Abstract: A folding chair constructed of synthetic polymeric material and having an aesthetic appearance simulating that of a traditional wooden folding chair, while incorporating structural features for facilitating uniform and stable stacking of like chairs, and for providing lighter weight, greater strength and enhanced structural integrity, increased comfort and safety and ease of operation. Lighter weight is attained through the use of hollow structural elements reinforced at critical locations for greater strength and enhanced structural integrity. Increased comfort and safety are attained by recessing certain components which otherwise could cause damage to adjacent chairs or to the clothing of persons seated upon the chair, or cause injury to the persons themselves.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: May 10, 2005
    Assignee: Commercial Seating Products, Inc.
    Inventor: Justin H. Shin
  • Patent number: 6883862
    Abstract: A foldable chair assembly includes a support frame, a first support leg, a second support, and two opposite resting members each pivotally mounted between the mediate portion of the first support leg and the mediate portion of the second support leg. Thus, the foldable chair assembly is folded and expanded easily and conveniently, thereby facilitating the user using the foldable chair assembly. In addition, when the foldable chair assembly is expanded, the limit rod is rested on the mediate portion of the second support leg, so that the first support leg is combined with the second support leg so as to support the support frame and the seat rigidly and stably.
    Type: Grant
    Filed: October 21, 2003
    Date of Patent: April 26, 2005
    Inventor: King-Yurn Yao
  • Patent number: 6877802
    Abstract: A foldable infant seat includes a base, configured to support the seat on a surface, and an upper frame. Each side of the base includes a first frame member and a second frame member pivotally connected together. Each side of the upper frame includes a third frame member and a fourth frame member pivotally connected together. The first frame member of the base and the third frame member of the upper frame on each side of the seat are pivotally connected together. The infant seat also includes a link on each side of the seat that is pivotally connected to the base and to an intermediate portion of the upper frame. The base, the upper frame, and the link are moveable between an in use position and a folded position, and a length of the base is greater in the in use position than in the folded position.
    Type: Grant
    Filed: April 15, 2003
    Date of Patent: April 12, 2005
    Assignee: Graco Children's Products Inc.
    Inventors: Myles T. Christensen, Michael L. Longenecker, George Campbell
  • Patent number: 6877801
    Abstract: A child support structure includes a locking mechanism that can be selectively moved to place the child support structure in either of a deployed position and a collapsed position and a carriage assembly that enables a seat portion to be positioned at different heights. The child support structure includes a frame and a container removably coupled to the frame. The container holds articles on the support structure and can be used during the washing the articles in a dishwasher.
    Type: Grant
    Filed: October 4, 2001
    Date of Patent: April 12, 2005
    Assignee: Mattel, Inc.
    Inventors: Ronald M. Asbach, Michael T. Kane
  • Patent number: 6871861
    Abstract: A foldable creeper is disclosed that has a rolling mechanism coupled to connectors that couple a seat support and back support. A locking mechanism may be provided that retains the creeper in an open position.
    Type: Grant
    Filed: October 8, 2002
    Date of Patent: March 29, 2005
    Assignee: AllTrade Tools LLC
    Inventor: Hector R. Hernandez, Jr.
  • Patent number: 6854797
    Abstract: A foldable bench having at least a pair of seat sections pivotally connected together. Pivotally mounted to the other side of each seat section is a leg assembly that is movable from a folded position to an extended position. When the bench assumes an unfolded position a strut extends from a point to a respective leg assembly and when the bench carries a load each strut is held in compression. An interconnecting member connects the two leg assemblies and is generally held in tension when the bench assumes an unfolded position and carries a load.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: February 15, 2005
    Inventor: John S. Thomas
  • Patent number: 6851745
    Abstract: The infant product of the invention is of the type having an infant receptacle suspended from a frame. The infant product is foldable between a deployed position for use and a compact configuration for shipping and storage. In the assembled configuration, the infant receptacle is convertible between a bassinet configuration in which the infant receptacle has a substantially planar support surface and an infant seat configuration in which the support surface of the infant receptacle is partially titled or disposed at an angle such that the infant can be supported in an elevated or seated position. The infant product may include a fabric canopy incorporating floating webs and a quick connect system for securing the canopy in an open position. When the canopy is closed, it is folded so as to lie flat against the infant receptacle. The infant receptacle may also include a lateral support assembly to cradle the infant.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: February 8, 2005
    Assignee: Fisher-Price, Inc.
    Inventors: Julia Favorita nee Wilkins, John S. Canna, Sandra M. Darling, Kenneth Von Felten, Brian L. Badger
  • Patent number: 6848740
    Abstract: A collapsible chair. The chair includes a chair frame having two spaced leg structures and a top ring mounted to and supported on the leg structures. Each leg structure includes a top bar and front and rear side bars depending from the top bar to form a substantially U-shape. The top ring is fixed to the top bars. The front and rear side bars are rotatable with respect to the top bar for collapsing the chair frame. Front and rear ground members are respectively connected between the front side bars and the rear side bars. The ground members have a U-shaped configuration having a bottom section positionable on a fixture and first and second side sections extending from opposite ends of the bottom section. The first side section is rotatably fit over a lower end of a first one of the front side bars or the rear side bars of the leg structures and the second side section is removably fit over a second one of the front side bars or the rear side bar of the leg structures.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: February 1, 2005
    Inventor: Benjamin P. Reese
  • Patent number: 6843500
    Abstract: A portable folding wheelchair includes a front U-shaped tube and a rear U-shaped tube pivotally coupling with each other through a pin to form a X-shape. The front U-shaped tube has an upper end on two sides to fasten to a connection plate. The connection plate connects to a backrest. The front U-shaped tube has a lower section on two sides to pivotally engage with an upright tube. The upright tube and the rear U-shaped tube have an upper end bridging a sleeve. The wheelchair has a simple structure and may be folded in forward, rearward, upward and downward directions to become a smaller size to facilitate carrying or storing in a car to enable disabled people to use in travels and trips.
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: January 18, 2005
    Inventor: Mao-Shun Li
  • Patent number: 6840573
    Abstract: A chair includes a first leg, a second leg pivotally mounted on the first leg, and a seat frame mounted on the first leg and the second leg by a plurality of detachable connecting members. Thus, the first leg, the second leg and the seat frame are assembled and disassembled easily and conveniently, thereby facilitating the user mounting the chair. In addition, the seat frame is combined with the first leg and the second leg by the connecting members, thereby simplifying the working procedure.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: January 11, 2005
    Inventor: King-Yurn Yao
  • Publication number: 20040245809
    Abstract: A beach chair with an improved method to enhance the comfort of audio listening by incorporating acoustical speakers integrated into top portion of a beach chair. Optionally, the chair has a pouch to hold audio and other items.
    Type: Application
    Filed: April 21, 2004
    Publication date: December 9, 2004
    Inventor: Steven Glassman
  • Patent number: 6827395
    Abstract: A safety lock for folding chair includes a top portion and two lateral wall portions to define an open-bottomed receiving space therebetween. The safety lock is mounted to a rear end of a seat frame tube of the folding chair by extending a shaft pin through two shaft holes provided at a rear end of the safety lock and two through holes provided on the seat frame tube, so that the safety lock may be pivotally turned about the shaft pin between a lock position, in which the seat frame tube is clamped in the receiving space and the folding chair is prevented from collapsing, and a release position, in which the safety lock is turned away from the seat frame tube. The two lateral wall portions have two bottom edges that are always located at finger accessible open positions to facilitate easy turning of the safety lock.
    Type: Grant
    Filed: October 8, 2003
    Date of Patent: December 7, 2004
    Assignee: Shen-Tai Industry Co., Ltd.
    Inventors: Teng Yi Wang, Chang I Wu
  • Patent number: 6827396
    Abstract: A collapsible casual chair including first and second stabilizer bars individually positioned forwardly of the front and rear legs of the chair in supplementing its support, and a substantially U-shaped bar extending rearwardly from the front legs around the second stabilizer bar and the rear legs, with a manually operated suction hand cup enclosing the U-shaped bar, operable to releasably secure the chair to a flat surface at the front of a powerboat by vacuum action.
    Type: Grant
    Filed: March 29, 2004
    Date of Patent: December 7, 2004
    Inventor: Charles C. Jewell
  • Patent number: 6825425
    Abstract: A weigh scale is disclosed for facilitating the weighing of obese users, handicapped users, elderly users, and others who have difficulty supporting themselves by giving a user the option of standing or sitting while being weighed. The weigh scale broadly comprises a platform, having at least one load sensor coupled thereto, large enough to allow a user to comfortably step onto it and position himself or herself to be weighed, an upright support structure secured to the platform so that the user may steady himself or herself while being weighed, a fold-away seat secured to the support structure so that the user may sit while being weighed, and a display for displaying the weight measured.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: November 30, 2004
    Assignee: Cardinal Scale Manufacturing Co.
    Inventor: David Hal Perry
  • Patent number: 6824207
    Abstract: A chair assembly includes a first support stand, a second support stand, a support frame, four support tubes, four connecting members, two first mounting members, two elastic members, and two second mounting members. Thus, the chair assembly can be folded and expanded easily and conveniently. In addition, the chair assembly can be supported rigidly and stably.
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: November 30, 2004
    Inventor: Chen-Hsiung Lin
  • Patent number: 6817661
    Abstract: A chair with rigid armrest collapses in a single movement in which the front legs of the chair approximate each other as the front legs and the rear legs pivot towards each other, and in which the armrest slidingly moves relative to the front leg.
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: November 16, 2004
    Inventor: Edward Zheng
  • Publication number: 20040178666
    Abstract: A fishing chair having a sand stabilizer is disclosed. The fishing chair includes a front frame, a back frame, a chair frame and a stabilization frame. The chair frame is pivotally connected to at least one of the front and back frames. The stabilization frame is pivotally connected to the back frame. The stabilization frame provides stability to the fishing chair when the fishing chair is being used in the middle of a body of water.
    Type: Application
    Filed: March 12, 2004
    Publication date: September 16, 2004
    Inventors: Jonathan Gray, Don Craigen
  • Publication number: 20040178665
    Abstract: The invention relates to a folding, portable leisure chair, which for use as a canopied beach chair comprises a hood-type windbreak consisting of textile fabric and a folding supporting structure that is or can be fixed to two support rods in order to shield against the wind. The leisure chair is characterized in that despite its low weight and excellent portability, said chair provides good weather protection for the occupant.
    Type: Application
    Filed: January 15, 2004
    Publication date: September 16, 2004
    Inventor: Albert H. May
  • Patent number: 6764132
    Abstract: A collapsible chair having a sling that may be used as a carry strap. When the collapsible chair is in an opened configuration, the sling retracts out of the way, but when the collapsible chair is in a closed or collapsed configuration, the sling can be pulled out and slung over the user's shoulder as a carry strap. When the collapsible chair is in the collapsed configuration, and the sling is extended, tension on the sling assists in maintaining the chair in the collapsed position.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: July 20, 2004
    Inventor: William L. Gaertner
  • Patent number: 6740015
    Abstract: A torso exercise machine includes a frame designed to rest upon a floor surface; a seat pivotally mounted on the frame; at least one handlebar pivotally mounted on the frame; and a link pivotally interconnected between the seat and the handlebar. The link constrains the seat and the handlebar to pivot in opposite directions relative to the frame. A resistance device may be interconnected between the handlebar and the frame to resist pivoting of the handlebar and the seat toward one another.
    Type: Grant
    Filed: December 9, 2002
    Date of Patent: May 25, 2004
    Inventor: Kenneth W. Stearns
  • Patent number: 6739649
    Abstract: A frame for a child seat includes an upper frame and a lower frame connected to the upper frame. The lower frame has left and right members that can be connected to each other such that the left and right members are positionable relative to one another between a first position and a second position when the lower frame is disconnected from the upper frame. A second frame can be rotatable between an angularly spaced position and a collapsed position along bends formed on a first frame portion.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: May 25, 2004
    Assignee: Mattel, Inc.
    Inventors: Brian S. Kelly, Bryan M. Brown
  • Patent number: 6739643
    Abstract: A collapsible seat assembly releasably attachable to a vehicle includes a support member for attachment to a vehicle hitch receiver, a pair of pivotable arms attached to the support member and a pair of support assemblies pivotally attached to the arms opposite the support member. The support assemblies include a pair of support surfaces that can be formed into a seating surface to enable individuals to sit on the assembly. The assembly can also be collapsed into a storage configuration that can easily be transported when attached to the vehicle.
    Type: Grant
    Filed: November 26, 2002
    Date of Patent: May 25, 2004
    Inventors: Patrick T. Rock, Daniel L. Haluzak