Pivoted To Integral Back And Leg Patents (Class 297/41)
  • Patent number: 11890767
    Abstract: A tool comprises an underbody wall structure having an internal wall and two side walls attached to two ends of the internal wall; and a dual-latch mechanism coupled to the underbody wall structure. The dual-latch mechanism comprises a first latch configured to moveably couple to the underbody wall structure via a first brace affixed to the internal wall; a second latch configured to moveably couple to the underbody wall structure on a side opposite of the first latch, via a second brace affixed to the internal wall; and an integral connection translationally moveable with respect to the underbody wall structure and integrally connecting the first latch to the second latch, wherein moving the first latch in a first direction causes the second latch to move in the first direction. The first latch, the second latch and the integral connection are a monolithic part.
    Type: Grant
    Filed: November 16, 2022
    Date of Patent: February 6, 2024
    Assignee: CORVESCO CO. LTD.
    Inventor: Xu Wen Sheng
  • Patent number: 10758048
    Abstract: A folding chair includes left and right frame rods, left and right frame rotating elements, left and right rear leg sliding elements, left and right rear leg rods, left and right rear leg fixing elements, left and right back rest rods, left and right back rest rod sliding elements, left and right front leg rods, leg terminals, left and right connecting rods, left and right handrail rods, left and right handrail fixing elements, left and right handrail supporting rods, left and right supporting rod sliding elements, limiting elements, left and right sliding elements, supporting rods, pad portion and back rest portion. The folding chair is compact and portable when folded and demonstrates high stability and high load-bearing capability when unfolded.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: September 1, 2020
    Assignee: SPORT DIVERSIONS INC.
    Inventor: Wen-Hao Tsai
  • Patent number: 10631648
    Abstract: A folding chair includes a left lateral folding mechanism, a left handrail mechanism, a right lateral folding mechanism, a right handrail mechanism, a front supporting mechanism, a rear supporting mechanism and a load-bearing structure. Therefore, the folding chair can be folded up like an umbrella and thus takes up little space and is portable and can be unfolded to demonstrate high stability and high load-bearing capability.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: April 28, 2020
    Assignee: SPORT DIVERSIONS INC.
    Inventor: Wen-Hao Tsai
  • Patent number: 10588423
    Abstract: A folding chair for children includes a padded chair secured above a pair of folding angular tubular legs. Each folding angular tubular leg has a centrally located folding cross-brace. A pair of armrests are disposed on either side of the chair. A teething bar is secured at teething bar end to a distal end of each armrest. A handle is perpendicularly secured to the back of the chair. The folding mechanism is actuated by a switch located within the base of the chair.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: March 17, 2020
    Inventor: Michelle Adkins
  • Patent number: 9277898
    Abstract: A PET-MR apparatus includes an MR imaging system for acquiring MR signals and a PET system for acquiring PET emissions of the patient. The PET-MR apparatus also includes an anterior surface coil configured to receive MR signals from a volume-of-interest of the patient in the bore and resulting from the emitted RF pulse sequence and a coil positioning structure mounted to the PET-MR apparatus and configured to receive the anterior surface coil thereon and position the anterior surface coil proximate to the volume-of-interest of the patient without coming in contact with the patient, with the coil positioning structure being configured to provide both a vertical adjustment of the anterior surface coil relative to a coronal plane of the patient and an angular adjustment of the anterior surface coil relative to the coronal plane of the patient.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: March 8, 2016
    Assignee: General Electric Company
    Inventors: Craig William Culver, John Edward Lorbiecki, Bijay Kamleshbhai Shah
  • Patent number: 8899127
    Abstract: The present invention discloses a safety trigger mechanism and functional frame for motion furniture for driving a drive mechanism of motion furniture. The safety trigger mechanism includes a mounting board, and a pull wire, a fork and a first restoring spring connected in turn. The fork is mounted turnably about a first rivet on the mounting board by the first rivet, and a bent hook is disposed on one end of the fork and interlocked with a driving arm of the drive mechanism. The safety trigger mechanism further includes a safety hook with a notch, which is mounted turnably about a second rivet on the mounting board by the second rivet. One side edge of the safety hook abuts against the bent hook of the fork, and the driving arm has an arresting pin disposed thereon. The initial position of the arresting pin is in the notch of the safety hook, and the arresting pin is detached from the notch of the safety hook when the safety hook turns clockwise.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: December 2, 2014
    Assignee: Shanghai Industries Group, Ltd.
    Inventors: Guoliang Du, Paul L. Chen, Jianjun Hu, Benny Mack Owens
  • Patent number: 8696052
    Abstract: A folding chair may include an upper frame, two armrests, two side frames, a front linking unit and a rear linking unit. When the user moves the armrests down to start chair folding process, the front linking unit and rear linking unit start to shrink and bring the side frames closer to each other. In the mean time, two side connecting rods are driven to bring the upper frame to moves down and further squeeze a seat fabric into a space between two side frames to form a compact structure of the folding chair. The size of the folding chair can be determined by extended length of the front linking unit and a rear linking unit. The folding chair proposed in the present invention is comfortable and stable for the user to sit, and all elements of the folding chair can be easily and closely folded into a compact size.
    Type: Grant
    Filed: July 10, 2012
    Date of Patent: April 15, 2014
    Assignee: IP Power Holdings Limited
    Inventor: Shou Qiang Zhu
  • Patent number: 8231171
    Abstract: A folding chair comprises a cross folding supporting frame with two X-shaped cross folding bars. Each of the cross folding bars has a front and rear leg connected crossly to each other in the middle. The upper portions of the two front legs form a first upper portion and the upper portions of the two rear legs form a second upper portion. The seat has a first and second side which are parallel to each other. The first side is pivotally connected to the first upper portion of a cross folding supporting frame. A supporting bar is disposed in the bottom of the seat and can slide between the first side and the second side. The two ends of the supporting bar are connected to the second upper portion of the cross folding supporting frame. The chair folds by a supporting bar sliding along the bottom of the seat.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: July 31, 2012
    Assignee: New-Tec Integration (Xiamen) Co., Ltd.
    Inventor: Luhao Leng
  • Patent number: 8061766
    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. 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: July 29, 2009
    Date of Patent: November 22, 2011
    Inventor: Greg Miller
  • Publication number: 20110266840
    Abstract: A foldable assistive stand-up chair includes a base support, a chair mechanism and a driving component, and the base support includes a back frame, a chair frame, a leg frame and two armrests, wherein the chair mechanism is pivotally mounted onto the base support through the chair frame, and the driving component installed between the base support and the chair mechanism is provided for driving the chair mechanism to move the four link rods with respect to the base support for assisting a user to stand up through the support of the chair frame and the back frame.
    Type: Application
    Filed: May 3, 2010
    Publication date: November 3, 2011
    Applicant: STRENGTH MASTER FITNESS TECH CO., LTD.
    Inventor: SHU-YAO WU
  • Patent number: 7954891
    Abstract: A foldable chair has an armrest retracting structure that includes two plate elements placed below each armrest, each plate element having a guide slot with a linear section and a reverse turn section. A first pivotal axle passes through the plate elements and connects with the front leg frame. A support beam has an end through which a second pivotal axle is mounted, the second pivotal axle being connected with the front leg frame. An opposite end of the support beam is secured in the slots through a bolt. By moving the support beam, the armrest can be deployed or retracted. When the bolt is lodged in the reverse turn section, the armrest can be locked in the deployed position.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: June 7, 2011
    Inventors: Mei Chuen Lin, Tzu Mei Wang
  • Publication number: 20110006564
    Abstract: This invention is a backrest for collapsible or foldable chairs that provides ample and comfortable back support for a seated person. The backrest consists of a Collapsible Back Support Curve that, when incorporated properly into a collapsible chair, is easy to set-up, collapse, store and transport, and it is visually appealing and durable. The invention is incorporated into collapsible chairs by shaping the chair back-rest support members in parallel gradual curves that force a membrane taught between them, evenly along their length, when in an open (non-collapsed) position. The invention, although a stationary part of a chair without complicated moveable parts, is designed to fit people of different heights and different back-arch preferences.
    Type: Application
    Filed: July 9, 2009
    Publication date: January 13, 2011
    Inventor: Laurence Lougee
  • Patent number: 7784861
    Abstract: A spring locking knob and a fixed stop at the upper ends of the front legs of a chair frame cooperate to restrict movement of a slideset joining the front legs, rear legs and seat support struts of a chair in making the chair with its cover seat more stable and resistant to an inadvertent folding closure.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: August 31, 2010
    Inventor: Jianrong Deng
  • Patent number: 7717502
    Abstract: A spring locking knob and a fixed stop at the upper ends of the front legs of a chair frame cooperate to restrict movement of a slideset joining the front legs, rear legs and seat support struts of a chair in making the chair more stable and resistant to an inadvertent folding closure.
    Type: Grant
    Filed: December 11, 2007
    Date of Patent: May 18, 2010
    Inventor: Jianrong Deng
  • Patent number: 7703843
    Abstract: A collapsible highchair with a locking device includes a first frame, a second frame which is pivotally connected to the first frame in “X” shape, a seat portion pivotally connected to upper sections of the frames, a backrest connected to the upper section of the first frame, a locking device secured to top end of upper section of the second frame, and an armrest one end of which is pivotally connected to the first frame and another end is engaged with the locking device. The locking device includes a first case and a second case, both of which cover the second frame. The first case is integrally formed with an elastic actuating portion. When the actuating portion is engaged with an opening on the armrest, the highchair is in a stretched state. When the actuating portion is pressed to disengage from the opening, the highchair is in a collapsible state.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: April 27, 2010
    Assignee: Wonderland Nurserygoods Co., Ltd.
    Inventors: Shun-Min Chen, Zhi Ren Zhong
  • Publication number: 20070290528
    Abstract: A collapsible highchair with a locking device includes a first frame, a second frame which is pivotally connected to the first frame in “X” shape, a seat portion pivotally connected to upper sections of the frames, a backrest connected to the upper section of the first frame, a locking device secured to top end of upper section of the second frame, and an armrest one end of which is pivotally connected to the first frame and another end is engaged with the locking device. The locking device includes a first case and a second case, both of which cover the second frame. The first case is integrally formed with an elastic actuating portion. When the actuating portion is engaged with an opening on the armrest, the highchair is in a stretched state. When the actuating portion is pressed to disengage from the opening, the highchair is in a collapsible state.
    Type: Application
    Filed: November 30, 2006
    Publication date: December 20, 2007
    Applicant: Wonderland Nurserygoods Co., Ltd.
    Inventors: Shun-Min Chen, Zhi Ren Zhong
  • Patent number: 6976733
    Abstract: 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: Grant
    Filed: December 7, 2004
    Date of Patent: December 20, 2005
    Assignee: Bryant Park Restoration Corp.
    Inventors: Daniel A. Biederman, Ignacio Juan Ciocchini
  • Publication number: 20040212224
    Abstract: A folding chair with arms includes two back-rest tubes, two seating frame tubes, a pair of front crossed tubes, a pair of rear crossed tubes, a chair fabric, and a pair of soft or rigid arms. Each of the back-rest tubes is connected cross-wise to one of the seating frame tubes. The upper portion of each of the rear crossed tubes is connected to one of the back-rest tubes via a U-shaped hinging element. The front crossed tubes are cross-wise connected, and at the crossed connection point is provided a support reinforced block. The upper portion of each of the front crossed tubes is connected to one of the seating frame tubes via an eccentric U-shaped hinging element and a fixing element. The lower portion of each of the front crossed tubes is connected to the lower portion of one of the back-rest tubes via an eccentric U-shaped hinging element.
    Type: Application
    Filed: April 21, 2004
    Publication date: October 28, 2004
    Inventor: Libin Chen
  • Patent number: 6634705
    Abstract: An armrest arrangement, which is incorporated with a chair frame, includes two arm rests pivotally connected to two back supporting arms of a chair frame respectively and two arm supports, which are pivotally connected to two seat side supports of the chair frame respectively, each having an upper end slidably connected to the respective arm rest for supporting the arm rest at an unfolded position of the chair frame. At a folded position, the arm rests are pivotally and upwardly folded towards the back supporting arms respectively so as to fold up the chair frame correspondingly, and at the unfolded position, the arm rests are pivotally folded to transversely extended from the back supporting arms so as to provide two arm resting surfaces respectively for substantially supporting user's arms thereon.
    Type: Grant
    Filed: August 12, 2002
    Date of Patent: October 21, 2003
    Inventor: Edward Zheng
  • Patent number: 6575534
    Abstract: The present invention relates to a furniture including multiple rods, wherein a first rod has a first end rotated about a support shaft, and a second end formed with a first rod end corresponding to a second rod end of a second rod. A positioning base mounted on the second rod end has a locking groove. A fitting base mounted on the first rod end defines a receiving chamber having a wall formed with an opening. A locking base has a locking plate extended into the receiving chamber through the opening. The locking plate is formed with a locking hole. Two elastic member are mounted between the fitting base and the locking base, so that the locking base is normally moved outward. A retaining device may mount the locking base on the fitting base, so that the locking base may move toward the receiving chamber after being assembled.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: June 10, 2003
    Inventor: Gao-Shen Chen
  • Patent number: 6517152
    Abstract: A folding chair includes front and rear leg members, armrest members, a backrest support member, and a seat that are pivotally connected to one another to enable collapsing or extending of the folding chair. The folding chair is characterized in that the armrest members are provided with two long slots forward extended from joints of the armrest members and upper ends of the rear leg member, that an auxiliary brace is provided between each armrest member and the backrest support member, and that a pair of knuckle plates for pivotally connecting the backrest support member, the seat, and the rear leg member to one another have length-increased lower extension portions to enable downward pulling of the backrest support member and the seat to a lowered position when the folding chair is collapsed, so as to effectively reduce the collapse height and volume of the chair.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: February 11, 2003
    Assignee: Shen-Tai Industry Co., Ltd.
    Inventor: Russell Chen
  • Patent number: 6398298
    Abstract: A foldable rocking chair includes a pair of first rods, a pair of second rods respectively associated and crossing the first rods, a pair of stretchers pivoted on the first and second rods adjacent to bottom ends of the first and second rods, a pair of arm supports disposed above the stretchers and pivoted on the first and second rods, and a flexible mat connected to top ends of the first and second rods.
    Type: Grant
    Filed: February 26, 2001
    Date of Patent: June 4, 2002
    Assignee: Sanmaw Lumber & Wood Mfg. Co., Ltd.
    Inventor: Kao-Ming Chen
  • Patent number: 6352301
    Abstract: A folding collapsible rod member connecting structure includes a first tubular rod member, a second tubular rod member, a barrel fixedly mounted on the first tubular rod member, the barrel having a locating block protruded from the periphery thereof, a coupling block fixedly fastened to one end of the second tubular rod member, the coupling block having a protruding rod pivoted to the locating block, a locating sleeve coupled to the first tubular rod member by a slip joint and moved between a first position where the locating sleeve has a part sleeved onto the first tubular rod member and a part sleeved onto the locating block to stop the first tubular rod member from turning relative to the second tubular rod member and a second position where the locating sleeve is disengaged from the locating block for enabling the first tubular rod member to be turned relative to the second tubular rod member, and an elastic band connected between the coupling block and a pin at the locating sleeve and adapted to pull the
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: March 5, 2002
    Inventor: Kuo Yi Chu
  • Patent number: 6257660
    Abstract: A portable furniture assembly has a pair of opposed and spaced apart scissor assemblies. A stop mechanism is provided to retain a pair of scissor structures of the portable furniture assembly in a set-up condition and yet permit easy release of the stop mechanism to permit folding of the furniture assembly for transport. A foldable and portable chair has a flexible sling suspended between two scissor assemblies to define a seat and a back for the chair. The portable chair also has two bottom rails connected to front supports of the scissor assemblies via pivots. Rear supports of the scissor assemblies are removably connected to the bottom rails at the stop mechanism to retain the portable chair in a set-up condition and yet permit the chair to be folded to a completely flat or folded condition.
    Type: Grant
    Filed: December 14, 1999
    Date of Patent: July 10, 2001
    Inventor: Kacey J. Calvey
  • Patent number: 6203108
    Abstract: A tailgate seat for attachment to the rear tailgate of a pickup truck is comprised of a first frame member having a first leg and a second leg joined by a first cross member and a second frame member having a third leg and a fourth leg joined by a second cross member. A first seating member is attached to the first frame while a second seating member is attached to the second frame. A first strut is pivotally attached to the first leg and to the third leg, and a second strut is pivotally attached to the second leg and to the fourth leg, the first and second struts being made from a resilient material. A third strut is pivotally attached to the first leg and to the third leg while a fourth strut is pivotally attached to the second leg and to the fourth leg. A first clip is attached to the first leg while a second clip is attached to the second leg, the first clip and the second clip each having a non-scuff member attached thereto.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: March 20, 2001
    Inventor: James E. Mattison, Jr.
  • Patent number: 6149238
    Abstract: A structure of arm of a folding chair, particularly for a director's chair or a Wassily chair, comprised of an abutment, an arm-rest, and an elevation seat operated in conjunction with leg, splat tube, and webbing of the canvas seat; within, said abutment is provided at the upper end of the front leg and connected to a spring catch while one corresponding bore is provided at the front section of the arm rest, a recess with a lid is provided in the arm rest, and the rear end of the arm rest is pivoted to the front end of the elevation seat, a sleeve inserted onto the splat tube is provided on the elevation seat, the rear of the elevation seat is fixed with the webbing and can rest on the abutment by the front section of the arm rest then the spring catch on the abutment can be fixed in position in the bore at the front section of the arm rest so to fix it onto the leg.
    Type: Grant
    Filed: December 9, 1999
    Date of Patent: November 21, 2000
    Inventor: Ting-Sheng Tsai
  • Patent number: 6056353
    Abstract: A lightweight, portable, adjustable folding chair accommodated specifically for persons with a joint disability which causes sitting or rising from a seated position to be difficult including partial or total hip replacement patients. The chair has adjustable height legs, solid cushioned seat and solid arm rests. The feet of the chair are covered with replaceable rubber tips for safety. The chair may be folded for transport and storage. A handle within the backrest is included for ease of carrying.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: May 2, 2000
    Inventor: Laura Meara
  • Patent number: 5971474
    Abstract: A collapsible glider chair having stopping devices for stopping the motion of chair frames and stabilizing the chair. The glider chair comprises a seat-base frame, a back-support frame, a pair of armrests and a pair of link members pivotally connected. A pair of stopping devices are affixed onto the seat-base frame or link members to stop the movement of chair frames while one is standing up and pushing down the armrests. The stopping devices may be affixed near the armrests or the link members for blocking either the armrests or the link members. Anti-slippery devices are also mounted on both the seat-base frame and the back-support frame to increase the contact friction to a floor or ground and stabilize the chair.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: October 26, 1999
    Assignee: Variety Electronic Inc.
    Inventor: Tony Wei-Sin Chang
  • Patent number: 5584529
    Abstract: A folding chair includes a pair of posts, a pair of foldable armrests having one end slideably and pivotably connected to the posts, a seat having one end pivotably connected to the posts and another end pivotably connected to the armrests, and a pair of two supporting rods arranged in a cross manner and pivotably connected to each other having two upper ends respectively pivotably connected to one of the posts and the seat via a supporting lever and two lower ends with one end extending toward one of the posts and fixedly connected therewith and the other end extending away therefrom.
    Type: Grant
    Filed: July 6, 1995
    Date of Patent: December 17, 1996
    Inventor: Chin-chang Cheng
  • Patent number: 5577799
    Abstract: A foldable tubular rocking chair frame comprises an elongate generally open rectangular back unit having parallel long side elements and parallel upper and lower end elements, the long sides being interrupted by selectively foldable aligned hinges. The hinges include knuckle elements which permit 180.degree. folding, and folding in one direction only. The hinges, when the chair is erected, include a supporting sleeve which circumposes the interruption and prevents folding.
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: November 26, 1996
    Inventor: Robert J. St. Germain
  • Patent number: 5542739
    Abstract: A foldable article of furniture, such as a chair, has a support surface or a seat portion, pivotally connected to an underlying support leg. The support surface comprises a first section and a second section, each of which is pivotally connected to one of the support legs, as well as to each other. In this way, a neatly and compactly foldable article is provided without requiring any sliding pivots or joints.
    Type: Grant
    Filed: March 21, 1995
    Date of Patent: August 6, 1996
    Inventor: Ake Hultman
  • Patent number: 4552404
    Abstract: A neutral body posture chair to support a user in a neutral body posture position defined as the natural position a body assumes in weightlessness where the muscle, tendon, and ligament systems acting over the joints are in total balance wherein the trunk of the body forms an angle of approximately 127 degrees with respect to the upper legs and the upper legs form an angle of approximately 127 degrees with the lower legs. The chair includes a seat formed into a bowl at the pelvic area, leg troughs support the upper legs and raised sides to maintain the user in the selected position. The seat further includes an elevated pommel which supports the pubis bone of the user to maintain the user in the desired neutral body posture angle without sliding out of the seat. The chair assembly includes a back rest, footrests, and a suitable base. The chair includes means for adjusting the vertical height of the seat, the tilt angle of the seat, the angle of the backrest, and vertical height of the backrest.
    Type: Grant
    Filed: October 12, 1983
    Date of Patent: November 12, 1985
    Inventor: Jerome J. Congleton
  • Patent number: 4278287
    Abstract: A folding seating piece, preferably in the form of a chair (10) includes pivotally interconnected frames (12, 14 and 16) forming a seat, backrest and armrests. A frame member (28) of the seat adjacent each side of the chair includes a snap fastener (40) connected thereto; each of said fasteners including a laterally extending guide section (46) and a downwardly directed clip section (48). The guide section of each clip overlies an adjacent frame member (34) for engaging, and being adapted to move along the adjacent frame member as the chair is being pivoted into its open position. The clip section of each snap fastener generally aligns with an additional frame member (38) of the chair when its respective guide section is closely positioned to the adjacent frame member it overlies and the chair is in its desired opened position.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: July 14, 1981
    Assignee: Scott Paper Company
    Inventor: Peter W. Homestead
  • Patent number: 4141584
    Abstract: An arm chair and its method of manufacture provides a plurality of standardized, build-up, structural components, the components being joined by means of pin joinings at the appropriate joints, the individual structural components predrilled to accommodate standardized fasteners of substantially identical diameter. The chair is constructed in a method which provides a balanced seating geometry to equally distribute stresses applied to the chair. Structural components are of substantially identical cross-sectional dimensions and of substantially identical material. The chair can be folded into a compact, space saving position.
    Type: Grant
    Filed: December 16, 1976
    Date of Patent: February 27, 1979
    Inventor: Victor J. Cook, Jr.