Telescoping Hollow Parts Or Components Patents (Class 297/440.24)
  • Patent number: 9033414
    Abstract: A chair for facilitating efficient stacking includes a seat element having a seat frame, a plurality of front legs attached to a front portion of the seat element, a plurality of rear legs attached to a back portion of the seat element, and one or more telescopic leg mechanisms disposed on at least one of the front or rear legs, wherein the telescopic leg mechanisms provide for lateral movement of the at least one of the front or rear legs with respect to the seat element.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: May 19, 2015
    Assignee: SERIES INTERNATIONAL LLC
    Inventor: Alvaro Mauricio Olarte
  • Publication number: 20150054328
    Abstract: A collapsible marsh stool comprises a seat, an anchoring post and a pair of retaining flanges depending from the underside of the seat, in a deployed configuration the anchoring post fitting in an opening in the top end of a telescoping support leg, and the support leg received in the center hole of a mud plate such that the mud plate is slidingly disposed on the leg, upward movement of the mud plate limited by a stop on the leg, and a collapsed configuration in which the mud plate is disposed adjacent the seat's underside with the anchoring post removably received in the mud plate's center hole, the leg removably retained in the apertures of the retaining flanges, and the side edge of the mud plate captured between the leg and the underside of the seat.
    Type: Application
    Filed: August 1, 2014
    Publication date: February 26, 2015
    Inventors: Theodore William Barstad, Sean P. McDermott
  • Patent number: 8870290
    Abstract: A Napoleonic chair includes a plastic seat plate, front chair legs, rear chair legs, connecting rods between front and rear chair legs, and a plastic back. The front chair legs comprise front chair leg mounting elements composed of steel tube and plastic casing tubes which sleeve the periphery of the front chair leg mounting elements, while the rear chair legs comprise rear chair leg mounting elements composed of steel tube and plastic casing tubes which sleeve the periphery of the rear chair leg mounting elements. The connecting rods between front and rear chair legs include a steel tube and a plastic casing tube which sleeves the periphery of the steel tube. One end of each longitudinal pipe of the rear chair leg mounting elements is inserted into the plastic back. Two ends of the steel tubes of the rods are inserted into the plastic tubes of the front and rear chair legs, respectively.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: October 28, 2014
    Assignee: Cixi Leye Seating Factory (General Partner)
    Inventor: Jianye Xu
  • Patent number: 8851561
    Abstract: 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: Grant
    Filed: September 27, 2010
    Date of Patent: October 7, 2014
    Inventor: Tsung-Chieh Huang
  • Patent number: 8833518
    Abstract: The technology described herein provides a portable, foldable two-legged stool having a support legs assembly having two parallel support legs secured in a support frame having at least one horizontal brace and a seat assembly hingedly connected to a top of each of the support legs with a pivotal hinge assembly such that the stool is foldable for transport and is extendable for use as a two-legged stool when a rear edge of the seat assembly is placed against a generally vertical planar surface. This technology also provides a third leg assembly for selective use by an operator to add a third leg when no vertical planar surface is available upon which to support the rear edge of the seat assembly stool.
    Type: Grant
    Filed: September 17, 2008
    Date of Patent: September 16, 2014
    Inventor: William David Holcombe
  • Patent number: 8678489
    Abstract: A hunting chair with several user-selectable configurations for hunting on hillsides includes a seat and back rest. A pair of support arms falls generally on the same plane as the seat and have a user-selectable length in a forward and a rearward direction. A cross brace may connect the support arms. Elongated extension members may define the user-selectable length. The elongated extension members or a pair of spikes may selectably define a pair of downwardly-extending legs.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: March 25, 2014
    Inventor: David Skinner
  • Patent number: 8496296
    Abstract: A connecting structure comprises a tubular connection joint and a tubular pipe-shaped cardboard tube for integral engagement with the tubular connection joint. The tubular connection joint is generally curved-shaped and has an insertion portion and a lock projection disposed along a curved inner surface of the insertion portion. The pipe-shaped cardboard tube has an oblique front end portion configured to be inserted into the tubular connection joint so that the oblique front end portion engages between the lock projection and the curved inner surface of the insertion portion.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: July 30, 2013
    Assignee: Sankei Kogyo Co., Ltd.
    Inventors: Yasuda Fusao, Matsumoto Masaki
  • Patent number: 8459734
    Abstract: An equipment case, briefcase sized or larger, for carrying a laptop computer or other equipment, that opens and separates into two compartments, one forming a seat, the other a table; said equipment case as seat and table stabilized by their coupling.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: June 11, 2013
    Inventor: Matthew Ballard Herschler
  • Patent number: 8308230
    Abstract: When a leg frame is assembled to a seat, the child chair is used as a high chair. When the leg frame is detached from the seat, the child chair may be served as a booster. Legs of the detached leg frame are further assembled with a footrest for storage purpose. The footrest has coupling slots that are formed by resilient arms to hold the detached legs. The footrest may also serve as a pedal for feet when the leg frame is assembled to the seat.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: November 13, 2012
    Assignee: Wonderland Nurserygoods Company Limited
    Inventor: Zhi-Ren Zhong
  • Patent number: 8152236
    Abstract: A restraining apparatus for a child consists of a frame with a back; the back of the frame has parallel back rods which can be adjusted lengthwise and a bottom foldably attached to the back by lockable hinges. The back and the bottom each have a foundation rod further comprising a stop. The apparatus also has a cover for the frame. The cover has an upper portion containing a plurality of slots, and a plurality of straps which fit removably through the slots to adjust to the height of the child to be restrained.
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: April 10, 2012
    Inventor: Amanda Romero
  • Patent number: 7740320
    Abstract: A chair is presented that includes a pair of chair arms, two pairs of chair legs, and a sheet of fabric. Each chair arm has a concave shape and a concave groove extending along the entire length of a concave surface of the chair arm. Each pair of chair legs is affixed to a bottom surface of each chair arm opposite the groove. The sheet of fabric has a pair of flexible rods. Each rod is affixed to the fabric and is substantially parallel to one another. The sheet of fabric is affixed to the chair by threading each of the rods through a different one of the corresponding grooves.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: June 22, 2010
    Inventor: Ming Chiang
  • Patent number: 7708345
    Abstract: A recliner has a chair frame that provides support to a seat and back rest. The frame includes a recliner assembly that includes a bracket that is connected to the backrest enabling reclining movement of the backrest as the bracket moves through a correspondingly shaped bracket slot in a recliner base plate, and where the bracket rotates about an axis that approximates the position of the rotational axis of the hip of a seated user. The reclining chair can also be part of a modular system of components that enable one or more seating units to be in a spanned or ganged configuration.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: May 4, 2010
    Assignee: HNI Technologies Inc.
    Inventors: Daniel Grabowski, John Henry Heyder, Jeremy Franklin Foreman, Michael A. Johnson, Aaron Jon Schradin
  • Patent number: 7600810
    Abstract: A collapsible high chair is provided. The collapsible high chair comprises a front frame including a pair of middle front tubes and a substantially U-shaped lower front tube, the pair of middle front tubes and the lower front tube being detachably engaged with each other by fastening devices; and a rear frame including a substantially U-shaped upper rear tube and a substantially U-shaped lower rear tube, the upper rear tube and the lower rear tube being detachably engaged with each other by fastening devices. The front frame and the rear frame are pivotally connected to each other so that the front frame and the rear frame pivot and approach with respect to each other, thereby allowing the high chair to be in a collapsed state.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: October 13, 2009
    Assignee: Wonderland Nurserygoods Co., Ltd.
    Inventors: Shun-Min Chen, Zhi Ren Zhong
  • Patent number: 7549702
    Abstract: A foldable bath seat includes at least a seat member and two leg assemblies each having two legs connected with a crossbar. Each of the crossbars is pivotally mounted to a bottom seat portion to allow the legs to pivot between a folded position and a downwardly extended position.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: June 23, 2009
    Assignee: AMG Medical Inc.
    Inventor: Daniel Seth Meyers
  • Patent number: 7540568
    Abstract: One aspect is a furniture piece configured for seating. The furniture piece includes first and second contours and a spreader mechanism coupled between the first and second contours. A three-dimensional cover envelope having panels in each of three-dimensions is configured over the first and second contours and the spreader mechanism thereby surrounding the contours and spreader mechanism. The cover envelope is tensioned in each panel creating a simulated cushion.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: June 2, 2009
    Assignee: Natura Design Inc.
    Inventors: Philip Behrens, Donald L. Bottemiller
  • Patent number: 7429084
    Abstract: A releasable securing assembly for attaching first and second sections of a chair to one another is disclosed. The first chair section includes a receiver having a capture portion spaced from a collar portion. The collar and capture portions include a passage and a bore, respectively, that are aligned with each other. A locking member having a locking passage, can be positioned between the capture and collar portions of the receiver so that the passage, the locking passage, and the bore are aligned. A second chair section includes at least one outwardly extending shaft having a cross pin disposed on an end thereof. The shaft and cross pin are inserted through the collar portion and cooperate with the locking member so that the locking member may be rotated to engage a locking surface of the locking member with the cross pin, selectively locking the first and second chair sections together.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: September 30, 2008
    Assignee: Kruger International, Inc.
    Inventor: Thomas J. Diedrich
  • Publication number: 20080185898
    Abstract: A new and improved all-terrain seat that is ideal for hunting, fishing, backpacking, camping, sports viewing, and the like. The all-terrain seat includes legs that are individually adjustable enabling the seat to be securely positioned on any surface, regardless of incline. The all-terrain seat is made from a lightweight material and is very portable as it may attach to a belt, easily fit inside a backpack, or be hand carried.
    Type: Application
    Filed: February 11, 2008
    Publication date: August 7, 2008
    Inventors: William S. Ward, Robert W. Ryall
  • Patent number: 7374237
    Abstract: A collapsible support frame includes a plurality of frame structures each having frame members joined together by a tension cable. A locking mechanism pivotably connects the frame structures and allows a user to move the frame structures between a folded position and an unfolded position. In the unfolded position, the frame structure is locked open and may carry a load. In the folded position, the frame structure is collapsed to form a bundle. A slack control member may provide tension to the tension cable when the support frame is unfolded, and to control slack in the tension cable when the support frame is folded.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: May 20, 2008
    Inventors: Frederick K. Park, Paul Brad Forrest
  • Patent number: 7328953
    Abstract: Disclosed is a method and apparatus for a fully customizable bath chair that is configurable to provide a wide variety of positioning options of the head, trunk and leg support in a sitting or reclining position. The described embodiments can be custom fit to individuals dimensions, or be refit at any time to accommodate growth and/or size changes. Legs, calf support and back angles as well as chair height can be adjusted independently to maximize positioning options to accommodate the support and comfort of the user. The chair has the unique capability to be adjusted in six independent dimensions, each affecting a specific relational fit to the individual users anthropometrics and functional need.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: February 12, 2008
    Assignee: Columbia Medical Manufacturing, LLC
    Inventor: Gary Werschmidt
  • Patent number: 7121620
    Abstract: A foldable bath bench has a seat assembly and two leg assemblies. The seat assembly has a front, a rear, two opposite sides, two transverse crossbars and at least one seat. The transverse crossbars are mounted respectively at the front and rear, and each transverse crossbar has two opposite ends. The at least one seat is mounted on the transverse crossbars. The leg assemblies are mounted on the opposite sides of the seat assembly, and each leg assembly has two bracket assemblies, and two vertical supports and two legs. The vertical supports are attached respectively to the bracket assemblies and are able to pivot relative to the ends of the transverse crossbars. The legs are mounted respectively on the vertical supports. The foldable bath bench becomes more compact by folding the vertical supports of the leg assemblies relative to the seat assembly for carrying and storage.
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: October 17, 2006
    Assignee: Hui Zhou Andon Industries Co., Ltd.
    Inventor: James Fang
  • Patent number: 7044267
    Abstract: A support device for supporting the head and/or portion of the upper body of a seated person in a forward leaning semi-reclining position includes a base to be placed on a generally horizontal surface, with support legs and an upright member, an extension tube adjustably positioned parallel to the upright member, and a head or body support connected to the upper end of the extension tube. In an alternative embodiment a pair of wheels is connected to the base and the legs are adapted to be positioned for supporting a piece of luggage, allowing the device to additionally serve as a luggage cart. In an improvement to a conventional luggage cart, an adjustable head support is added to the frame of the luggage cart so the cart may be used as a support device for a seated person.
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: May 16, 2006
    Inventor: Titus S. Sigler
  • 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: 6983987
    Abstract: Simulated bamboo fabricated from thin walled metallic stock material, the stock material preferably being stock tubing. Tubing is cold worked to impart realistic culm and node characteristics. The tubing is preferably formed into serial or repeating sections, each characterized by gradual, progressive curvature at each end of the respective section to simulate natural bamboo culms. A realistic node is worked into the tubing between adjacent sections. The invention may be regarded as the resultant elongate simulated bamboo article or, alternatively, an article of manufacture such as a chair incorporating the resultant elongate simulated bamboo article.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: January 10, 2006
    Inventors: Robert A. Gaylord, Oliver Wang
  • Patent number: 6974191
    Abstract: A bath chair having elongated slots on opposite sides, legs secured to the seat, and a backrest mounted on two opposed L-shaped backrest support tubes, is provided with a pair of handrails secured to the seat by the horizontal segments of the backrest support tubes. Pairs of connecting tubes are mounted on opposite sides of the bottom face of the seat, each connecting tube having a cylindrical opening sized and disposed to receive respective horizontal segments of the backrest support tubes. The handrails are inserted through respective seat slots, each carrying a cylindrical member at its end disposed between and aligned with opposed connecting tubes. The horizontal segments of the backrest support tubes are inserted through the connecting tubes and the handrail cylindrical members therebetween so as to secure the handrail to the seat.
    Type: Grant
    Filed: February 4, 2004
    Date of Patent: December 13, 2005
    Assignee: Medical Depot, Inc.
    Inventor: Michael Serhan
  • Patent number: 6921135
    Abstract: A child's chair that may be readily adjusted with regard to the height of the seat bottom, and the position of the seat back relative to the seat bottom. The use of telescoping legs and a slidable support for the seat back allow the chair to be adjusted for positioning according to the needs of a particular child.
    Type: Grant
    Filed: September 3, 2003
    Date of Patent: July 26, 2005
    Inventors: Craig Ellis, Darcy M. Jones
  • Patent number: 6877803
    Abstract: A foldable rocking chair includes a chair frame comprised of first and second U-shaped members each having opposite side bars connected by a bottom bar and arranged to cross each other, a stretcher bar having opposite ends pivoted to the side bars at a location below the crossing of the side bars, an armrest in the form of an L-shape pivoted to the side bars at a location above the crossing of the side bars and a primary cross bar extending between and fixed to free ends of the side bars of the first U-shaped member and adjacent to the pivot connection between the armrest and the side bars whereby when the side bars of the first U-shaped member are rocked frontward, the armrests are moved toward and eventually contact the primary cross bar to stop the frontward rocking motion of the first U-shaped member. A flexible sheet is attached to the chair frame with adjustable headrest and adjustable lower back rest cushions for supporting a person thereon.
    Type: Grant
    Filed: October 8, 2003
    Date of Patent: April 12, 2005
    Inventor: Bejamin P. Reese
  • Patent number: 6877814
    Abstract: A chair device has a support frame and a seat disposed on the support frame. The support frame has a first U-shaped leg, a second U-shaped leg, a pipe connected to the first U-shaped leg and the second U-shaped leg, a tube connected to the first U-shaped leg and the second U-shaped leg, a first confining rod disposed on the first U-shaped leg and the second U-shaped leg, and a second confining rod disposed on the first U-shaped leg and the second U-shaped leg. The seat has a first metal ring, a second metal ring, a third metal ring, and a plurality of bands. The bands are sewed with the first metal ring, the second metal ring, and the third metal ring radially.
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: April 12, 2005
    Inventor: Chen-Hsiung Lin
  • Patent number: 6871905
    Abstract: A portable collapsible stool has at least three legs including separable upper and lower parts releasably connected by telescopic joint connections biased into connected engagement by bungee cords. A flexible seat mounted on the upper ends of the legs is disposed in a horizontal seating position when the stool is in setup position. A panel assembly connected to the legs in upwardly spaced relation to the lower ends thereof extends therebetween, provides lateral reinforcement for the legs to increase the carrying capacity of the stool, serves as a ground-engaging member to increase the area of stool ground support when it is setup on soft or sandy ground penetrated by the legs, provides a handle to facilitate rapid simultaneous separation of the leg lower parts from the leg upper part, and may also include a pocket for small articles.
    Type: Grant
    Filed: January 16, 2003
    Date of Patent: March 29, 2005
    Inventor: Daniel R. Grace
  • Patent number: 6871911
    Abstract: A folding chair having adjustable, telescoping rear legs for use on level ground and sloping terrain. The chair is continuously adjustable by a user while in a seated position, each of the telescoping rear legs housing a biasing means to mechanically assist the user in their adjustment. Easily-deployable clamps are provided to enable a user to adjust the inclination of the seating arrangement with a single hand.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: March 29, 2005
    Inventor: John G. Alexander, Jr.
  • Patent number: 6783183
    Abstract: A chair includes a frame body having a leg unit, a front seat rod member and a backrest rod member disposed above and connected to the leg unit. A flexible web is formed with a front seat sleeve sleeved on the front seat rod member, and a backrest sleeve sleeved on a base rod portion of the backrest rod member. The web is divided into a seat part extending rearwardly from the front seat sleeve, and a backrest part extending upwardly and angled away from the seat part to connect with the backrest sleeve. The backrest part cooperates with the seat part to define a corner therebetween. A string interconnects the corner of the web and one of the leg unit and the backrest rod member.
    Type: Grant
    Filed: January 27, 2003
    Date of Patent: August 31, 2004
    Inventor: Chun-Hsien Tseng
  • Publication number: 20040145229
    Abstract: A chair includes a frame body having a leg unit, a front seat rod member and a backrest rod member disposed above and connected to the leg unit. A flexible web is formed with a front seat sleeve sleeved on the front seat rod member, and a backrest sleeve sleeved on a base rod portion of the backrest rod member. The web is divided into a seat part extending rearwardly from the front seat sleeve, and a backrest part extending upwardly and angled away from the seat part to connect with the backrest sleeve. The backrest part cooperates with the seat part to define a corner therebetween. A string interconnects the corner of the web and one of the leg unit and the backrest rod member.
    Type: Application
    Filed: January 27, 2003
    Publication date: July 29, 2004
    Inventor: Chun-Hsien Tseng
  • Patent number: 6755463
    Abstract: What is disclosed is a portable chair specifically adapted for the unique needs of a professional reflexology therapy session. The chair is collapsible and provides numerous adjustments to fit the particular anatomy of each individual client.
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: June 29, 2004
    Inventors: Gaetano Lardieri, Mary Alice Arre
  • Patent number: 6749265
    Abstract: A seat of a chair is provided with a plastic main body, a metallic upper cover joined to upper and annular sides of the main body, and a metallic lower cover securely disposed over the bottom of the main body. The metallic covers increase the strength of the seat. The bottom of the plastic main body is formed with vertical connecting tubes, which are tightly fitted around corresponding sleeves secured to upper ends of metallic legs of the chair. The tubes have inner annular protrusions, which are engaged with annular grooves formed on outer sides of the sleeves; and, the seat matches the metallic legs to a greater degree because the outer side of the seat is made of metal.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: June 15, 2004
    Assignee: Ideal Concepts Inc.
    Inventor: Tin-Chou Wang
  • Patent number: 6702384
    Abstract: A support device is provided for leaning against by a generally upright person. The support device includes a seat portion having a top surface, a bottom surface and a peripheral edge extending between the top and bottom surfaces. A plurality of legs each has a first end and a second end. Each of the first ends is pivotally attached to the bottom surface of the seat portion. Each of the legs is located generally adjacent to the peripheral edge. The legs are spaced from each other. The legs are each telescoping and selectively extendable between extended and retracted positions.
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: March 9, 2004
    Inventor: Christopher D. Brown
  • Publication number: 20040041453
    Abstract: A child's chair that may be readily adjusted with regard to the height of the seat bottom, and the position of the seat back relative to the seat bottom. The use of telescoping legs and a slidable support for the seat back allow the chair to be adjusted for positioning according to the needs of a particular child.
    Type: Application
    Filed: September 3, 2003
    Publication date: March 4, 2004
    Inventors: Craig Ellis, Darcy M. Jones
  • Publication number: 20040041455
    Abstract: An article of collapsible furniture having parallel side frames (1 and 2) each side frame having oppositely threaded sockets (12a,b,c and 13a,b,c) into which crossbars (3, 4, 5, 8a,b,c and 9a,b,c) having opposite threaded ends can be rotatably inserted simultaneously into the sockets (12a,b,c and 13a,b,c) on the side frames (1 and 2) to form the article of collapsible furniture. A fabric cover (14, 15, and 16) can be utilized to provide a seat for the collapsible furniture. Methods of assembly are provided.
    Type: Application
    Filed: August 30, 2002
    Publication date: March 4, 2004
    Inventors: Randy Tenbroeck, Robert L. Scherer, J. Gregory Smith, Mark McCray
  • Patent number: 6682148
    Abstract: A baby rocking chair frame has a connection device, a first generally V-shaped base frame, a second generally V-shaped base frame, and a U-shaped frame. The U-shaped frame has a pair of generally cross-shaped holes, a pair of threaded apertures, and a first collar and a second collar inserted in two ends of the U-shaped frame. The first generally V-shaped base frame has a first end inserted in the first collar, and a second end having a first protruded block. The second generally V-shaped base frame has a first end inserted in the second collar, and a second end having a second protruded block. The connection device is connected to the second end of the first generally V-shaped base frame and the second end of the second generally V-shaped base frame.
    Type: Grant
    Filed: December 25, 2002
    Date of Patent: January 27, 2004
    Inventor: Owen Chen
  • Publication number: 20030062757
    Abstract: A portable multipurpose chair provides hooks on a frame that can be hooked around a bleacher seat or alternatively be used as legs of the chair in outdoor environments such as a beach or campsite. Telescoping frame sides include an elastic cord to bias the hooks together to remain engaged around a bench seat when the chair is used in a bleacher environment. The back of the seat includes a backrest against which a user can lean. Rigid cross members ensure that the chair remains in a stable position when in use.
    Type: Application
    Filed: September 28, 2001
    Publication date: April 3, 2003
    Inventor: Andrew L. Calvery
  • Patent number: 6401738
    Abstract: An orthopedic walker having a rear crossbar which is pivotally mounted to two side frames allowing for sequential movement of one side frame forward relative to the other to facilitate walking. A pair of wrist guards are positioned at the top of each frame and the frames provide a smooth transitioning of a number of handholds to aid in standing from a seated position. A pair of climbing members are also positioned on ribs along a left side frame and a right side frame.
    Type: Grant
    Filed: August 15, 2000
    Date of Patent: June 11, 2002
    Inventor: Larry Rush Alexander