US2990007A - Folding chair assembly - Google Patents

Folding chair assembly Download PDF

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Publication number
US2990007A
US2990007A US830A US83060A US2990007A US 2990007 A US2990007 A US 2990007A US 830 A US830 A US 830A US 83060 A US83060 A US 83060A US 2990007 A US2990007 A US 2990007A
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seat
frame
assembly
hinge
chair
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US830A
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Kessler Milton
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/02—Dismountable chairs
    • A47C4/03—Non-upholstered chairs, e.g. metal, plastic or wooden chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/02—Dismountable chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/04—Folding chairs with inflexible seats
    • A47C4/18—Folding chairs with inflexible seats having a frame made of metal
    • A47C4/20—Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe
    • A47C4/24—Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe with cross legs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/28—Folding chairs with flexible coverings for the seat or back elements
    • A47C4/30—Attachment of upholstery or fabric to frames
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/16—Seats made of wooden, plastics, or metal sheet material; Panel seats
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S297/00—Chairs and seats
    • Y10S297/02—Molded

Definitions

  • This invention relates to a folding chair assembly comprising a foldable frame, preferably made of metal, and a unitary seat and back member which can be quickly and securely fastened to and removed from said frame.
  • Another object is the provision of a unitary plastic seatand-back assembly provided with clips or other simple fastening means whereby it can be assembled to the folding frame in a very simple manner, and can also be disassembled for replacement of the seat-and-back assembly when this becomes desirable due to wear and tear or due to weathering.
  • a unitary molded plastic member made in one piece, having a seat portion and a back portion interconnected by a hinge portion of the same material, the seat and back portions being considerably thicker than the hinge portion, whereby they are sufficiently rigid to support the weight of a person without substantial deformation, and the hinge portion being of the 'same material and homogeneously merging into said seat and back portions, and being sufliciently thin to be readily flexible, whereby it serves as a hinge when the seat and back portions are folded together.
  • FIG. 1 is a side view of a chair according to the invention
  • FIG. 2 is a rear view of the same chair in folded condition
  • FIG. 3 is a side view of the seat-and-back assembly in folded condition
  • FIG. 4 is an enlarged sectional detail view taken on line 44 of FIG. 2;
  • FIG. 5 is a side view of the chair of FIG. 1 in folded condition
  • FIG. 6 is an enlarged detail view of the frame, partly broken away, taken on line 66 of FIG. 1;
  • FIG. 7 is a plan view, partly broken away, of a modified form of back-and-seat assembly using a piano hinge, taken on line 7-7 of FIG. 8;
  • FIG. 8 is a sectional view of taken on line 8-8 of FIG. 7.
  • the chair frame is comprised of two crossed members 2 and 3, pivotally hinged at 4.
  • the back-supporting frame member 2 as viewed in FIG. 2, is generally of inverted U-shaped construction, and preferably has a depressed top bar as shown at 6, for the reception of clips 7, 7 of the back rest 8, whereby the back rest is prevented from sliding laterally on the frame when assembled.
  • the seat-supporting frame member 3 is similarly a U-shaped member of smaller dimensions, and has a similar depressed portion at 9 for receiving clips 11, 1'1 of the seat portion and preventing this portion from sliding laterally.
  • a cross-bar 12, which is preferably of the same tubular construction as the frame members, is welded or otherwise suitably fixed to frame member 2 as indicated at 13, 13.
  • Cross-bar 12 thus prevents frame member 3 the same construction 'ice from collapsing when the chair is opened, and retains this member in the correct position for the seat to be properly positioned.
  • cross-bar 12 is preferably recessed at 14, where it contacts frame member 3, so as to securely and rigidly hold frame member 3.
  • a lock washer 16 is preferably provided in the pivot screw assembly 4 whereby friction is maintained at all times between the members 2 and 3, so that when they are folded in the position shown in FIGS. 2 or 5, they tend to remain in the folded position without opening until some slight force is exerted to separate the frame members.
  • the bottoms or leg portions of frame members 2 and 3 can be made to rub against each other to provide friction for this purpose.
  • the seat-and-back assembly is preferably formed as a unitary member having a rigid back portion 8 (FIG. 3), a rigid seat portion 17, and a flexible hinge portion 18 between these two members, preferably formed in unitary fashion of the same plastic materialas the seat and back portions.
  • the entire assembly can thus be formed of plastic material in a single forming operation by the use of heat and pressure, by standard plastic molding techniques.
  • a suti'able plastic material for this purpose is polypropylene, as sold by the Hercules Powder Company of Wilmington, Delaware.
  • This material in suitable thicknesses, has sufiicient rigidity for the seat and back, but if the hinge portion is made considerably thinner than the seat and back, it is very flexible at this area, yet retains sufiicient tensile strength to readily support the necessary Weight for the present purpose.
  • Members made of this material have been folded more than a mil-lion times without significant loss of flexibility or strength.
  • a more rigid geometry may be employed, as by curving the sides, using webs extending from the rear sides, or employing a bodyconforming surface contour, as is well known in the sheet metal art for increasing the rigidity of a member.
  • Suitable attachment means shown in the form of clips 7 and 11 are provided for rapidly assembling the seat-andback members to the frame.
  • One form of such clip is shown in detail in FIG. 4, and comprises a plastic clip 11, fastened to seat member 17 in any suitable manner as by screws 19, and having spring jaws adapted to snap over frame member 9 whereby the assembly may be readily performed without any special tools.
  • plastic clips metal clips could be employed, or alternatively, the clips could be molded from the same material as the seat member.
  • the free ends of 17 and 8 can be made thin, like hinge 18, and glued or otherwise fastened to the cross members 9 and 6.
  • seat-andback members can not only be made in a variety of colors, but also can readily be molded to different shapes, both to accommodate the body contours and for the sake of appearance.
  • FIGS. 7am! 8 show an alternative form of construction
  • the two members are assembled simply by interlocking them and passing a .pin.21.through them'to constitute a-hinge joint.
  • afoldable seat-and-back assembly comprising a one piececomponent of molded plastic, the seat and back portions being-sufliciently thick and rigid to support the weight of a person without substantial deformation, and'the hinge portion being of the same material but sufli -ciently+thin to .be readily flexible; connecting means fixed to said seatrest portion and connected to said seatrest-sup- Iportingmeans, andother connecting means fixed to said backrestportion and connected to said backrest-supporting means, said hinge means constituting a load-bearing sup- ,port whenthe chair is in use.
  • a homogeneous one-piece seat-and-back component of molded plastic having a seat portion, a back portion and a hinge portion conneotingsaid seat and back portions, the seat and back portions being substantially thicker'than the hinge .portion'so as .tobe sufliciently rigid to support the weight of a person without substantial deformation, and the hinge portion .being of the same'material and homogeneously merging into seat and back portions, .but sufficiently thin to be readily flexible, attachment means on said seat portion for attaching same tea-chair frame, and additional attachment means to saidback portion for attaching same to a chair frame. 7
  • attachment means being clipmeans for .ready attachment toand re- .moval from a chair'frame.

Description

June 27, 1961 M. KESSLER FOLDING CHAIR ASSEMBLY Filed Jan. 6, 1960 III! 11/ Fig. 7
Fig.2
Fig.1
INVENTOR Milfon K essler BY m ATTORNEY United States Patent FOLDlNG ASSEMBLY Milton Kessler, 4535 'Grove Drive, Youngstown, Ohio Filed Jan. 6, 1960, 'Ser. No. 830 4 Claims. (Cl. 155-143) This invention relates to a folding chair assembly comprising a foldable frame, preferably made of metal, and a unitary seat and back member which can be quickly and securely fastened to and removed from said frame.
It is a primary object of the invention to provide a sturdy but inexpensive folding chair having a simple frame which can be readily fabricated by mass production methods and a readily removable back-and-seat assembly of sturdy construction which can also be manufactured by mass production methods and of inexpensive materials.
Another object is the provision of a unitary plastic seatand-back assembly provided with clips or other simple fastening means whereby it can be assembled to the folding frame in a very simple manner, and can also be disassembled for replacement of the seat-and-back assembly when this becomes desirable due to wear and tear or due to weathering.
The above objects are achieved according to the invention by the provision of a unitary molded plastic member made in one piece, having a seat portion and a back portion interconnected by a hinge portion of the same material, the seat and back portions being considerably thicker than the hinge portion, whereby they are sufficiently rigid to support the weight of a person without substantial deformation, and the hinge portion being of the 'same material and homogeneously merging into said seat and back portions, and being sufliciently thin to be readily flexible, whereby it serves as a hinge when the seat and back portions are folded together.
The specific nature of the invention, as well as other objects and advantages thereof, will clearly appear from a description of a preferred embodiment as shown in the accompanying drawing, in which:
FIG. 1 is a side view of a chair according to the invention;
FIG. 2 is a rear view of the same chair in folded condition;
FIG. 3 is a side view of the seat-and-back assembly in folded condition;
FIG. 4 is an enlarged sectional detail view taken on line 44 of FIG. 2;
FIG. 5 is a side view of the chair of FIG. 1 in folded condition;
FIG. 6 is an enlarged detail view of the frame, partly broken away, taken on line 66 of FIG. 1;
FIG. 7 is a plan view, partly broken away, of a modified form of back-and-seat assembly using a piano hinge, taken on line 7-7 of FIG. 8; and
FIG. 8 is a sectional view of taken on line 8-8 of FIG. 7.
As best shown in FIGS. 1 and 2, the chair frame is comprised of two crossed members 2 and 3, pivotally hinged at 4. The back-supporting frame member 2, as viewed in FIG. 2, is generally of inverted U-shaped construction, and preferably has a depressed top bar as shown at 6, for the reception of clips 7, 7 of the back rest 8, whereby the back rest is prevented from sliding laterally on the frame when assembled.
The seat-supporting frame member 3 is similarly a U-shaped member of smaller dimensions, and has a similar depressed portion at 9 for receiving clips 11, 1'1 of the seat portion and preventing this portion from sliding laterally. A cross-bar 12, which is preferably of the same tubular construction as the frame members, is welded or otherwise suitably fixed to frame member 2 as indicated at 13, 13. Cross-bar 12 thus prevents frame member 3 the same construction 'ice from collapsing when the chair is opened, and retains this member in the correct position for the seat to be properly positioned. As will be seen in FIG. 6, cross-bar 12 is preferably recessed at 14, where it contacts frame member 3, so as to securely and rigidly hold frame member 3. The weight of the chairs occupant only serves to more firmly wedge frame member 3 into engagement with recess 1'4, and thus provides added rigidity exactly when it is needed, namely, when the seat is being occupied. A lock washer 16 is preferably provided in the pivot screw assembly 4 whereby friction is maintained at all times between the members 2 and 3, so that when they are folded in the position shown in FIGS. 2 or 5, they tend to remain in the folded position without opening until some slight force is exerted to separate the frame members. Alternatively, the bottoms or leg portions of frame members 2 and 3 can be made to rub against each other to provide friction for this purpose.
The seat-and-back assembly is preferably formed as a unitary member having a rigid back portion 8 (FIG. 3), a rigid seat portion 17, and a flexible hinge portion 18 between these two members, preferably formed in unitary fashion of the same plastic materialas the seat and back portions. The entire assembly can thus be formed of plastic material in a single forming operation by the use of heat and pressure, by standard plastic molding techniques. A suti'able plastic material for this purpose is polypropylene, as sold by the Hercules Powder Company of Wilmington, Delaware. This material, in suitable thicknesses, has sufiicient rigidity for the seat and back, but if the hinge portion is made considerably thinner than the seat and back, it is very flexible at this area, yet retains sufiicient tensile strength to readily support the necessary Weight for the present purpose. Members made of this material have been folded more than a mil-lion times without significant loss of flexibility or strength. By taking advantage of this property of the material, I am able to form a unitary, inexpensive, yet sturdy member providing rigid support for both seat and back portion, but which can be readily folded up so that the entire chair assembly can lie flat for stacking or shipping purposes.
Instead of relying upon increased thickness alone for the rigidity of the seat-and-back component, a more rigid geometry may be employed, as by curving the sides, using webs extending from the rear sides, or employing a bodyconforming surface contour, as is well known in the sheet metal art for increasing the rigidity of a member.
Suitable attachment means shown in the form of clips 7 and 11 are provided for rapidly assembling the seat-andback members to the frame. One form of such clip is shown in detail in FIG. 4, and comprises a plastic clip 11, fastened to seat member 17 in any suitable manner as by screws 19, and having spring jaws adapted to snap over frame member 9 whereby the assembly may be readily performed without any special tools. It will be apparent that instead of plastic clips, metal clips could be employed, or alternatively, the clips could be molded from the same material as the seat member. Instead of clips, the free ends of 17 and 8 can be made thin, like hinge 18, and glued or otherwise fastened to the cross members 9 and 6. While a more permanent form of fasttening could be employed than spring clips, such clips are preferred because of the ease of not only assembly but also removal of the seat-and-back member whereby the user can readily replace a seat-and-back assembly if it should become worn or weathered, at low cost and with little effort.
It will be apparent that the seat-andback members can not only be made in a variety of colors, but also can readily be molded to different shapes, both to accommodate the body contours and for the sake of appearance.
FIGS. 7am! 8 show an alternative form of construction,
whereby the back-and-seat members are sperately made of relatively rigid material, and are provided with hinge ele- =ments, preferably,in.the form of afpiano hinge, for max- .imumstrength. .In this case,;seat portion 17 corresponds to portion.17 of.FIG.-l, and back portion 8' corresponds .to the back portion 8 of FIG. 1. The two members are assembled simply by interlocking them and passing a .pin.21.through them'to constitute a-hinge joint. .Since the hingein this modification is rigid, care must be taken in designing the seat to insure that the seat hinge lies close 'to the .pivot axis 4 of the frame, in order that the seat :commonaxis :for folding and unfolding, stop means for retaining-said elements in unfolded relationship for use :asachair, seatrest-supporting means on one of said elementsand backrest-supporting means on the other of. said elements; and afoldable seat-and-back assembly comprising a one piececomponent of molded plastic, the seat and back portions being-sufliciently thick and rigid to support the weight of a person without substantial deformation, and'the hinge portion being of the same material but sufli -ciently+thin to .be readily flexible; connecting means fixed to said seatrest portion and connected to said seatrest-sup- Iportingmeans, andother connecting means fixed to said backrestportion and connected to said backrest-supporting means, said hinge means constituting a load-bearing sup- ,port whenthe chair is in use.
2. The invention according to claim 1, each of said frame elements being of substantially inverted U-shape consisting of two side pieces joined by a cross-bar, the ends of the side pieces constituting the legs of the chair, the back element being substantially longer than the seat element and the cross tbars =51 'Ithe elements constituting the backrest-supporting means=and the=seatrest-supporting means re spectively.
3. A homogeneous one-piece seat-and-back component of molded plastic having a seat portion, a back portion and a hinge portion conneotingsaid seat and back portions, the seat and back portions being substantially thicker'than the hinge .portion'so as .tobe sufliciently rigid to support the weight of a person without substantial deformation, and the hinge portion .being of the same'material and homogeneously merging into seat and back portions, .but sufficiently thin to be readily flexible, attachment means on said seat portion for attaching same tea-chair frame, and additional attachment means to saidback portion for attaching same to a chair frame. 7
4. The invention accordingto claim 3,.said attachment means being clipmeans for .ready attachment toand re- .moval from a chair'frame.
References Cited in the file of this patent .UNITED STATES PATENTS
US830A 1960-01-06 1960-01-06 Folding chair assembly Expired - Lifetime US2990007A (en)

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Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054637A (en) * 1960-09-06 1962-09-18 Samuel M Pambello Portable, convertible chair cradle for child
US3061371A (en) * 1962-05-17 1962-10-30 Edward J Benoit Child's auto safety seat
US3114572A (en) * 1961-11-16 1963-12-17 Balcrank Inc Folding rocking chair
US3131970A (en) * 1962-05-21 1964-05-05 Aerotec Ind Inc Seats
US3142512A (en) * 1962-02-12 1964-07-28 Hamilton Cosco Inc Infant's chair
US3146028A (en) * 1958-11-25 1964-08-25 Sarl Grosfillex Freres Collapsible seat
US3166355A (en) * 1963-07-11 1965-01-19 Century Products Inc Child's car seat
US3194601A (en) * 1964-06-08 1965-07-13 American Seating Co Audience chairs
US3245715A (en) * 1964-09-08 1966-04-12 Jules C Gits Molded articles and methods of making same
US3256039A (en) * 1961-10-23 1966-06-14 Fixtures Mfg Corp Chair construction
US3311934A (en) * 1965-04-27 1967-04-04 Morris I Goldberg Portable bassinet
US3330600A (en) * 1966-06-02 1967-07-11 North British Rubber Co Ltd Seat cushions
US3393941A (en) * 1966-02-07 1968-07-23 Sarl Grosfillex Freres Article for seating furniture
US3636574A (en) * 1969-12-22 1972-01-25 Hyman Kramer Supporting means for a mattress, cushion and the like
US3836194A (en) * 1972-09-11 1974-09-17 K Milette Folding chair
US3851915A (en) * 1972-08-07 1974-12-03 Rodrigo Disenos Saci Folding and stacking chair
US4325578A (en) * 1980-05-19 1982-04-20 Graco Metal Products, Inc. Swing seat assembly
US4566731A (en) * 1983-05-27 1986-01-28 Royal Plastic S.A. Dismountable folding chair
US4684170A (en) * 1985-01-09 1987-08-04 Lee L. Woodard, Inc. Foldable chaise lounge
US5607089A (en) * 1995-01-17 1997-03-04 Strum; Alton R. Sportsman back pack
USD420816S (en) * 1998-09-29 2000-02-22 Attwood Corporation Boat seat
US6089669A (en) * 1998-09-29 2000-07-18 Attwood Corporation Folding outdoor seat
US20110148159A1 (en) * 2009-12-21 2011-06-23 Barron Traci J Child seat inserts and methods of manufacture
US8677533B2 (en) 2010-10-21 2014-03-25 Kolcraft Enterprises, Inc. Child seat inserts and methods of manufacture
US9399477B2 (en) 2012-12-27 2016-07-26 Kolcraft Enterprises, Inc. Strollers with removable child supports and related methods

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2127710A (en) * 1937-02-01 1938-08-23 Ralph B Baker Furniture construction
US2470113A (en) * 1946-01-28 1949-05-17 Sebel Harry Furniture
US2488728A (en) * 1945-04-18 1949-11-22 Frank C Snedaker & Co Inc Chair seat and back
US2572482A (en) * 1948-05-01 1951-10-23 American Seating Co Vehicle chair
GB671980A (en) * 1950-02-13 1952-05-14 Evertaut Ltd Improvements relating to chairs
US2630162A (en) * 1950-01-11 1953-03-03 Rexart Metal Ind Inc Folding chair
US2708960A (en) * 1951-12-06 1955-05-24 Akwel Corp Foldable rocking chair
US2791956A (en) * 1953-12-24 1957-05-14 Maurice C Guest Ventilated automobile seat pad
US2830350A (en) * 1954-06-29 1958-04-15 United Carr Fastener Corp Fastening device
US2878861A (en) * 1957-06-19 1959-03-24 Charles P Molla Body supporting unit for furniture
US2902084A (en) * 1956-04-06 1959-09-01 William W Stevens High chair

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2127710A (en) * 1937-02-01 1938-08-23 Ralph B Baker Furniture construction
US2488728A (en) * 1945-04-18 1949-11-22 Frank C Snedaker & Co Inc Chair seat and back
US2470113A (en) * 1946-01-28 1949-05-17 Sebel Harry Furniture
US2572482A (en) * 1948-05-01 1951-10-23 American Seating Co Vehicle chair
US2630162A (en) * 1950-01-11 1953-03-03 Rexart Metal Ind Inc Folding chair
GB671980A (en) * 1950-02-13 1952-05-14 Evertaut Ltd Improvements relating to chairs
US2708960A (en) * 1951-12-06 1955-05-24 Akwel Corp Foldable rocking chair
US2791956A (en) * 1953-12-24 1957-05-14 Maurice C Guest Ventilated automobile seat pad
US2830350A (en) * 1954-06-29 1958-04-15 United Carr Fastener Corp Fastening device
US2902084A (en) * 1956-04-06 1959-09-01 William W Stevens High chair
US2878861A (en) * 1957-06-19 1959-03-24 Charles P Molla Body supporting unit for furniture

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3146028A (en) * 1958-11-25 1964-08-25 Sarl Grosfillex Freres Collapsible seat
US3054637A (en) * 1960-09-06 1962-09-18 Samuel M Pambello Portable, convertible chair cradle for child
US3256039A (en) * 1961-10-23 1966-06-14 Fixtures Mfg Corp Chair construction
US3319999A (en) * 1961-10-23 1967-05-16 Fixtures Mfg Corp Chair construction
US3114572A (en) * 1961-11-16 1963-12-17 Balcrank Inc Folding rocking chair
US3142512A (en) * 1962-02-12 1964-07-28 Hamilton Cosco Inc Infant's chair
US3061371A (en) * 1962-05-17 1962-10-30 Edward J Benoit Child's auto safety seat
US3131970A (en) * 1962-05-21 1964-05-05 Aerotec Ind Inc Seats
US3166355A (en) * 1963-07-11 1965-01-19 Century Products Inc Child's car seat
US3194601A (en) * 1964-06-08 1965-07-13 American Seating Co Audience chairs
US3245715A (en) * 1964-09-08 1966-04-12 Jules C Gits Molded articles and methods of making same
US3311934A (en) * 1965-04-27 1967-04-04 Morris I Goldberg Portable bassinet
US3393941A (en) * 1966-02-07 1968-07-23 Sarl Grosfillex Freres Article for seating furniture
US3330600A (en) * 1966-06-02 1967-07-11 North British Rubber Co Ltd Seat cushions
US3636574A (en) * 1969-12-22 1972-01-25 Hyman Kramer Supporting means for a mattress, cushion and the like
US3851915A (en) * 1972-08-07 1974-12-03 Rodrigo Disenos Saci Folding and stacking chair
US3836194A (en) * 1972-09-11 1974-09-17 K Milette Folding chair
US4325578A (en) * 1980-05-19 1982-04-20 Graco Metal Products, Inc. Swing seat assembly
US4566731A (en) * 1983-05-27 1986-01-28 Royal Plastic S.A. Dismountable folding chair
US4684170A (en) * 1985-01-09 1987-08-04 Lee L. Woodard, Inc. Foldable chaise lounge
US5607089A (en) * 1995-01-17 1997-03-04 Strum; Alton R. Sportsman back pack
USD420816S (en) * 1998-09-29 2000-02-22 Attwood Corporation Boat seat
US6089669A (en) * 1998-09-29 2000-07-18 Attwood Corporation Folding outdoor seat
US20110148159A1 (en) * 2009-12-21 2011-06-23 Barron Traci J Child seat inserts and methods of manufacture
US9622592B2 (en) 2009-12-21 2017-04-18 Kolcraft Enterprises, Inc. Child seat inserts and methods of manufacture
US8677533B2 (en) 2010-10-21 2014-03-25 Kolcraft Enterprises, Inc. Child seat inserts and methods of manufacture
US9399477B2 (en) 2012-12-27 2016-07-26 Kolcraft Enterprises, Inc. Strollers with removable child supports and related methods

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