US3796430A - Collapsible baby walker with protective covers for leg joints thereof - Google Patents

Collapsible baby walker with protective covers for leg joints thereof Download PDF

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Publication number
US3796430A
US3796430A US3796430DA US3796430A US 3796430 A US3796430 A US 3796430A US 3796430D A US3796430D A US 3796430DA US 3796430 A US3796430 A US 3796430A
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Prior art keywords
leg
legs
walker
locking
members
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Expired - Lifetime
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K Sudo
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CENTURY PROD Inc
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CENTURY PROD Inc
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47DFURNITURE SPECIALLY ADAPTED FOR CHILDREN
    • A47D13/00Other nursery furniture
    • A47D13/04Apparatus for helping babies to walk; Baby walkers or strollers
    • A47D13/043Chairs for walking

Abstract

A baby walker is disclosed having foldable legs, whereby the walker may be collapsed into a substantially flat form for shipping or transportation in a small carton for convenience in handling or storage. The foldable legs have a hinged joint, which is self-locking when the walker is in operative position, but can be easily unlocked when the legs are to be folded. A soft plastic covering is provided for covering the leg joints to prevent injury to the infant or damage to furniture, this covering being movable downwardly along the legs to expose the joints when the legs are to be folded.

Description

United States Patent 1191 Sudo ll Mar. 12, 1974' 4] COLLAPSIBLE BABY WALKER WITH R1 1,830 6/1900 Bailey..... 5/57 B x I PROTECTIVE COVERSFOR LEG JOINTS 3,357,729 l2/l967 Krueger 1. 287/98 THEREOF 1 Primary ExaminerAnton O. Oechsle [75] lnvemm' Kumo Sudo Tokyo Japan 1 Assistant Examiner-R. T. Stouffer [73] 1 Assignee: Century Products, Inc., Cleveland, Attorney, Agent, or Firm-lsler and Ornstein Ohio [22] Filed: Nov. 15, 1972 [57] ABSTRACT [2]] Appl. No.: 306,738 A baby walker is disclosed having foldable legs,

whereby the walker may be collapsed into a substan- 52 US. Cl 272/70.3, 108/1 15, 248/188.6, y form for h g "f l a 297/ t021111011l or eohnvemelrl ce 13 I an m]? olr storlzgle. k e [51 1m. (:1 A47d 13/04 f e 8 1 1, W 1 c s; -oc 18g [58] Field of Search 272/70, 70.3, 82, 83 R; w er 'f Z F 5/57 B; 280/8705; 287/86, 98, 297/5, f W 3 j f 136; 108/115, 127; 248/1886; 240/153 p ast1c coverrng 1s prov1 e or cdvermg t e eg omts to prevent m ury to the mfant or damage to furmture, [56] References Cited this (:overing betilrsg rnovablehdovzgwalrdly 'alontg tge UNITED STATES PATENTS fzfiedo expose e om s w en e egs are 0 e 3,504,927 4/1970 Seki 272/70.3 3,529,820 9/1970 Templeton 272/82 1 Claim, 8 Drawing Figures l \\\l a IT 8 IO l0 6 11 1 l 1 H 7 7 E 7 1 COLLAPSIBLE BABY WALKER WITH PROTECTIVE COVERS FOR LEG JOINTS THEREOF This invention relates, as indicated, to a collapsible baby walker.

Baby walkers have heretofore been provided which have collapsible legs, but in most instances, the mechanism for collapsing the legs in awkward to handle, and is usually exposed or provided with projecting parts which can cause injury to the infant as well as damage to furniture.

The present invention has, as its primary object, the provision of a baby walker of the character described, which can be quickly and easily collapsed into a substantially flat form, whereby to enable the walker to be shipped or transported in a relatively small carton or package, or conveniently stored in a relatively small space, in a closet or the like.

Another object of the invention is to provide a baby walker of the character described, having legs consisting of parts which are foldable upon each other to thereby collapse the walker into a small package, such parts being connected by means of joint members which can easilybe moved manually to permit such folding.

A further object of the invention is to provide a baby walker of the character described, in which the aforesaid joint member are provided with soft, flexible, coverings, which normally cover the joints to prevent injury to the infant as well as damage to furniture, yet can easily be moved away from said joints to expose the joints and permit the parts forming the legs to be folded upon each other.

Other objects and advantages of my invention will be apparent during the course of the following description.

In the accompanying drawings forming a part of this specification, and in which like numerals are employed to designate like parts throughout thesame,

FIG. 1 is a top plan view of the baby walker in operative condition;

FIG. 2 is a side elevational view of the walker, as viewed from the bottom of FIG. 1;

FIG. 3 is a view simlar to FIG. 2, but with the walker in its collapsed condition;

FIG. 4 is a cross-sectional view, taken on the line 4-4 of FIG. 2;

FIG. 5 is a view, partly in elevation, and partly in section, of one of the collapsible legs, in fully extended position;

FIG. 6 is a fragmentary cross-sectional view, taken on the line 6-6 of FIG. 5;

FIG. 7 is a fragmentary cross-sectional view, taken on the line 7-7 of FIG. 5, and

FIG. 8 is a fragmentary elevational view, showing how the parts comprising the legs are folded upon each other.

Referring more particularly to the drawings, the baby walker will be seen to comprise an annular table 1, preferably molded of plastic material, and having a hole 2 therein, the axis of which is in eccentric relation to the axis of the table 1, this hole or opening being provided for the body of the baby or infant which uses the walker.

The table 1 is also provided with a peripheral depending flange or skirt 3.

The walker is provided with a seat 4 for the baby or infant, which seat is also preferably molded of a plastic material, is resiliently'suspended from the table 1 by means 5, and is adjustable as to height. The details of such suspension means and means for adjusting the height of theseat form no part of the invention and need not be described.

The walker further includes a circular tubular metal base 6, which is of a diameter substantially greater than that of the table 1, and is disposed at a level below the seat 4, in parallel relationship to the table 1. The base 6 is supported by a plurality of circumferentiallyspaced caster wheels 7. The base, it may be noted, is I coaxial with the axis of the table 1.

The invention is concerned more particularly with the supporting legs which interconnect the table 1 with the base 6, and which will now be described.

In this instance, four circumferentially-spaced legs are employed.

Each leg comprises a lower portion of V-shaped conformation, formed from a single piece of wire or rod, bent to provide upwardly extending diverging arms 8 and 9, this portion of the leg being pivotally secured to cotter pins 10, which are secured to the base 6 in the manner shown most clearly in FIG. 4.

The arms 8 and 9 are provided at their upper ends with inturned flanges 8a and 9a.

Secured to the upper ends of each of the arms 8 and 9 is a joint member formed of sheet metal having a tubular lower portion 11, which embraces the portion of the arm 8 or 9 immediately below the flange 8a or 9a, and is provided with a hole 12., through which the flange 8a or 9a projects. Each joint member has its upper portion formed to provide an outwardly'facing channel 13 (see FIGS. 5, 6, 7 and 8), for a purpose to be presently described.

Each leg further comprises an upper portion of U- shaped conformation, formed from a single piece of wire or rod, bent to provide a base portion 14, which extends through holes 15 in the channel-shaped portions 13 of the joint members, and upstanding spaced arms 16 and 17, which terminate at their upper ends in outwardly-extending flanges 16a and. 17a respectively.

The lower portions of the arms 16 and 17 extend through the channel-shaped portions 13 of the joint members, and are normally retained in the bottoms of these channels, due to the inherent resiliency or tendency of the arms 8 and 9 to diverge from each other, causing the portions 13 of the joint members to bear against the arms 16 and 17, as shown in FIG. 6.

The flanges 16a and 17a are pivotallymounted in brackets 18, which are secured to the inner faces of the skirt or flange 3 of the table 1 by means of screws 19 and nuts 20.

In FIGS. 1, 2, 4, 5, 6 and 7, the legs are shown in their fully extended or operative condition, in which the arms 14-15 are locked against pivotal movement relatively to the arms 8 and 9 by the joint members 11-13.

For the purpose of covering the joint between the arms 14-15 and anns 8 and 9 while the arms are in such locked position, a tubular cover or shroud 21 is provided, which is preferably made of a soft molded flexible plastic material, this cover or shroud being frictionally secured to the joint, as best seen in FIGS. 1, 2, 4, 5, 6 and 7.

This cover or shroud serves to protect the legs and arms of the baby or infant from coming into contact with any of the parts constituting the joints, and being injured, and also to prevent these joint parts from coming into contact with furniture, and thereby scratching or otherwise damaging it.

When it is desired to collapse the walker in the manner shown in FIG. 3, or to a position in which the table 1 and seat 4 are virtually enclosed within the base 6, for the purpose of enabling the walker to be shipped in a container or carton of relatively small depth, or to permit the walker to be stored in a relatively small space, this. is done in the following manner:

The covers or shrouds 21 are moved downwardly to the position approximately indicated by the broken lines in FIG. 5, thereby exposing the joints between the -upper and lower leg portions. The shrouds can be moved downwardly most easily on the legs by flexing the legs 8 and 9, as seen in FIG. 5, inwardly to the phantom line position and then lowering the shrouds to expose the joints between the upper and lower leg portions.

With the joints thus exposed, the arms 8 and 9 of the lower 'leg portions are manually flexed toward each other to thereby cause the joint members 11-13 to move to the position shown in broken lines in FIGS. 5 and 6. This causes the lower portions of the arms 16 and 17 of the upper portions of the legs to be exposed, so that they are no longer confined by the side walls of the channels 13, and the upper portions of the legs are free to be pivotally moved in relation to the hinge members.

Since the upper portions of the legs are pivotally I movable in the brackets 18, and the lower portions of the legs are pivotally movable in the heads of the cotter pins 10, the seat 1 can then be folded to the collapsed position shown in FIG. 3 or lower. This folding movement of the legs 16 and 17, at an intermediate stage in the folding, is also indicated by the broken lines in FIGS. 6 and 8.

For the purpose of limiting the flexing of the arms 8 and 9 toward each other, the base portion 14 of the upper leg portions is provided with protrusions 22 (see FIGS. 4, 5 and 6), which act as stops against which the joint members 11-13 bear.

When the walker is to be restored to its normal or op erative condition, it is only necessary to elevate the table 1 in relation to the base 6, so that when the arms 16 and 17 come into alignment with the arms 8 and 9, the resilience of the arms 8 and 9 will force the hinge members 11-l3 outwardly to the solid line position in FIGS. 5 and 6, thereby locking the arms 16 and 17 against pivotal movement relatively to the arms 8 and After this locking action, the covers or shrouds 21 are restored to the position shown in FIGS. 1, 2, 4, 5, 6 and 7, to thereby cover the joints.

It is thus seen that I have provided a baby walker which can be collapsed into a substantially flat form for shipping or transportation in a small carton, or convenience in handling or storage, which has foldable legs having a hinged joint which is self-locking when the walker is in operative position, but can be easily unlocked when the legs are to be folded and which has plastic covers or shrouds for covering the leg joints to thereby prevent injury to the infant or damage to fumiture, and which are movable along the legs to expose the joints when the legs are to be folded.

It is to be understood that the form of my invention, herewith shown and described, is to be taken as a preferred example of the same, and that various changes may be made in the shape, size and arrangement of parts thereof, without departing from the spirit of the invention or the scope of the subjoined claims.

Having thus described my invention, I claim:

1. In combination with a baby walker, said walker comprising a table, a supporting base, and folding legs, each with a locking leg joint, pivotally connected to and interconnecting said table and base, each of said legs including a lower V shaped member, the free ends of which each terminate upwardly in an outwardly directed U-shaped channel locking member, an upper leg portion being generally U-shaped with the bight of said U extending between and through said channel members with the base of each leg of said U-shaped leg portion being normally locked within said U-shaped channel locking member, said upper and lower leg portions being selectively, pivotally disengageable by inward flexing of said lower leg portions and said U-shaped channel locking members, the invention comprising: a soft flexible protective cover dimensioned to encircle and selectively conceal said channel locking members, said cover including a soft molded one piece body having oppositely disposed major front and rear faces interconnected by side edge portions complementary to said channel locking members and each configured to conform to the locking portions of said leg and channel locking members, said cover defined by a generally tapering sleeve-like body and further including necked upper and lower extremities engageably encircling respective upper and lower leg portions of said folding furniture leg, said cover further dimensioned to slide along said leg in one direction to expose said joint but limited to sliding in an opposite direction to a sufficient degree to cover said joint, said cover being frictionally secured to said leg and said channel locking members when said lower leg portion and said channel locking members are in their outwardly extended position, said cover being freely slidable downwardly on said leg when said lower leg portion and said channel locking members are flexed inwardly sufficiently to disengage said channel locking members from said upper leg por-'

Claims (1)

1. In combination with a baby walker, said walker comprising a table, a supporting base, and folding legs, each with a locking leg joint, pivotally connected to and interconnecting said table and base, each of said legs including a lower V shaped member, the free ends of which each terminate upwardly in an outwardly directed U-shaped channel locking member, an upper leg portion being generally U-shaped with the bight of said U extending between and through said channel members with the base of each leg of said U-shaped leg portion being normally locked within said U-shaped channel locking member, said upper and lower leg portions being selectively, pivotally disengageable by inward flexing of said lower leg portions and said U-shaped Channel locking members, the invention comprising: a soft flexible protective cover dimensioned to encircle and selectively conceal said channel locking members, said cover including a soft molded one piece body having oppositely disposed major front and rear faces interconnected by side edge portions complementary to said channel locking members and each configured to conform to the locking portions of said leg and channel locking members, said cover defined by a generally tapering sleeve-like body and further including necked upper and lower extremities engageably encircling respective upper and lower leg portions of said folding furniture leg, said cover further dimensioned to slide along said leg in one direction to expose said joint but limited to sliding in an opposite direction to a sufficient degree to cover said joint, said cover being frictionally secured to said leg and said channel locking members when said lower leg portion and said channel locking members are in their outwardly extended position, said cover being freely slidable downwardly on said leg when said lower leg portion and said channel locking members are flexed inwardly sufficiently to disengage said channel locking members from said upper leg portion.
US3796430A 1972-11-15 1972-11-15 Collapsible baby walker with protective covers for leg joints thereof Expired - Lifetime US3796430A (en)

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Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025083A (en) * 1975-09-23 1977-05-24 Graco Metal Products, Inc. Baby walker
US4065086A (en) * 1976-08-24 1977-12-27 Combi Co., Ltd. Leg assembly for a baby's go-cart
FR2377178A1 (en) * 1977-01-14 1978-08-11 Kassai Kk Device Initiation was walking child
US4123078A (en) * 1976-09-24 1978-10-31 Kabushiki Kaisha Famy Baby walker with device for supporting stem for beads
US4140311A (en) * 1976-09-08 1979-02-20 Kabushiki Kaisha Famy Baby walker
US4225146A (en) * 1978-04-19 1980-09-30 Takeuchi Press Limited Company Device for exercising infant in walking
US4576392A (en) * 1984-12-07 1986-03-18 Gerber Products Company Height adjustment apparatus
US4795151A (en) * 1987-09-30 1989-01-03 Mulcaster Donald L Baby walker with safety track feature
US4903960A (en) * 1988-11-21 1990-02-27 Caffrey Cearan C Audible baby conveyance
US4988138A (en) * 1990-03-29 1991-01-29 Baby Bumpers, Inc. Bumper guard for baby walker
US5158460A (en) * 1990-02-27 1992-10-27 Safety 1St, Inc. Bath seat
US5564782A (en) * 1995-02-02 1996-10-15 Lagrange; Avis A. Protective guard for rocking chair rocker ends
US5669081A (en) * 1996-06-28 1997-09-23 Brk Brands, Inc. Self-locking toilet seat cover
US5688211A (en) * 1995-11-13 1997-11-18 Kolcraft Enterprises, Inc. Collapsible child exerciser device
US5687433A (en) * 1996-06-27 1997-11-18 Brk Brands, Inc. Child bath seat
US5938878A (en) * 1996-08-16 1999-08-17 Sentinel Products Corp. Polymer structures with enhanced properties
US6179755B1 (en) 1997-06-06 2001-01-30 Kolcraft Enterprises, Inc. Method and apparatus for securing an infant walker extender to an infant walker
US6494815B1 (en) 2000-02-18 2002-12-17 Kolcraft Enterprises, Inc. Walker with constantly applied brake
US6637814B1 (en) * 1999-05-26 2003-10-28 Graco Children's Products Inc. Child activity center, entertainment system, and components thereof
US20040253903A1 (en) * 2003-05-09 2004-12-16 Paul Fair Foldable infant activity center
US6854799B1 (en) * 2004-02-06 2005-02-15 Mattel, Inc. Collapsible infant entertainment device
US20050176340A1 (en) * 2004-02-06 2005-08-11 Gubitosi Domenic T. Free-standing jumping device
US7025364B1 (en) * 2003-12-23 2006-04-11 William A Clarke Combined stroller, walker and play station
US20070040431A1 (en) * 2004-02-06 2007-02-22 Bapst David M Free-standing jumping device
US20070236056A1 (en) * 2006-02-28 2007-10-11 Jeffrey Steininger Reconfigurable infant activity center
US7287768B2 (en) * 2003-12-30 2007-10-30 Kolcraft Enterprises Multi-mode child entertaining apparatus and methods of using the same
US20080113581A1 (en) * 2006-11-13 2008-05-15 Peter Jazenski Convertible infant activity center
US20080157569A1 (en) * 2002-05-31 2008-07-03 Peter Jonathan Myers Child walkers
US20100231015A1 (en) * 2009-03-12 2010-09-16 Mattel, Inc. Infant Support Structure with Supported Seat
US20110187164A1 (en) * 2010-02-01 2011-08-04 Corcorran Sean M Seating Unit
US8267803B2 (en) 2004-02-06 2012-09-18 Mattel, Inc. Reconfigurable infant support structure
US8303033B2 (en) * 2009-03-12 2012-11-06 Mattel, Inc. Infant support structure with supported seat
CN103142068A (en) * 2011-12-06 2013-06-12 金上吉塑胶股份有限公司 Foldable vehicle
US8523742B2 (en) 2010-09-01 2013-09-03 Industrial Technology Research Institute Baby walker
US20140077032A1 (en) * 2012-09-18 2014-03-20 Bell Helicopter Textron Inc. Vertical Support System

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11830A (en) * 1854-10-24 Granary
US3357729A (en) * 1966-08-03 1967-12-12 Allison F Krueger Folding brace lock for table leg
US3504927A (en) * 1968-04-10 1970-04-07 Showa Motsuku Kaisha Baby walker
US3529820A (en) * 1969-01-13 1970-09-22 Ouita P Templeton Exercising device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11830A (en) * 1854-10-24 Granary
US3357729A (en) * 1966-08-03 1967-12-12 Allison F Krueger Folding brace lock for table leg
US3504927A (en) * 1968-04-10 1970-04-07 Showa Motsuku Kaisha Baby walker
US3529820A (en) * 1969-01-13 1970-09-22 Ouita P Templeton Exercising device

Cited By (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025083A (en) * 1975-09-23 1977-05-24 Graco Metal Products, Inc. Baby walker
US4065086A (en) * 1976-08-24 1977-12-27 Combi Co., Ltd. Leg assembly for a baby's go-cart
US4140311A (en) * 1976-09-08 1979-02-20 Kabushiki Kaisha Famy Baby walker
US4123078A (en) * 1976-09-24 1978-10-31 Kabushiki Kaisha Famy Baby walker with device for supporting stem for beads
FR2377178A1 (en) * 1977-01-14 1978-08-11 Kassai Kk Device Initiation was walking child
US4171132A (en) * 1977-01-14 1979-10-16 Kassai Kabushiki Kaisha Infant walking trainer
US4225146A (en) * 1978-04-19 1980-09-30 Takeuchi Press Limited Company Device for exercising infant in walking
US4576392A (en) * 1984-12-07 1986-03-18 Gerber Products Company Height adjustment apparatus
US4795151A (en) * 1987-09-30 1989-01-03 Mulcaster Donald L Baby walker with safety track feature
US5050504A (en) * 1987-09-30 1991-09-24 Mulcaster Donald L Baby walker with safety track feature
US4903960A (en) * 1988-11-21 1990-02-27 Caffrey Cearan C Audible baby conveyance
US5158460A (en) * 1990-02-27 1992-10-27 Safety 1St, Inc. Bath seat
US4988138A (en) * 1990-03-29 1991-01-29 Baby Bumpers, Inc. Bumper guard for baby walker
US5564782A (en) * 1995-02-02 1996-10-15 Lagrange; Avis A. Protective guard for rocking chair rocker ends
US5688211A (en) * 1995-11-13 1997-11-18 Kolcraft Enterprises, Inc. Collapsible child exerciser device
US5687433A (en) * 1996-06-27 1997-11-18 Brk Brands, Inc. Child bath seat
US5669081A (en) * 1996-06-28 1997-09-23 Brk Brands, Inc. Self-locking toilet seat cover
US5938878A (en) * 1996-08-16 1999-08-17 Sentinel Products Corp. Polymer structures with enhanced properties
US6054005A (en) * 1996-08-16 2000-04-25 Sentinel Products Corp. Polymer structures with enhanced properties
US6179755B1 (en) 1997-06-06 2001-01-30 Kolcraft Enterprises, Inc. Method and apparatus for securing an infant walker extender to an infant walker
US6637814B1 (en) * 1999-05-26 2003-10-28 Graco Children's Products Inc. Child activity center, entertainment system, and components thereof
US6682139B2 (en) 1999-05-26 2004-01-27 Graco Children's Products Inc. Child activity center, entertainment system, and components thereof
US6715826B2 (en) * 1999-05-26 2004-04-06 Graco Children's Products Inc. Child activity center, entertainment system, and components thereof
US6494815B1 (en) 2000-02-18 2002-12-17 Kolcraft Enterprises, Inc. Walker with constantly applied brake
US7819410B2 (en) 2002-05-31 2010-10-26 Kolcraft Enterprises, Inc. Child walkers
US20080157569A1 (en) * 2002-05-31 2008-07-03 Peter Jonathan Myers Child walkers
US20040253903A1 (en) * 2003-05-09 2004-12-16 Paul Fair Foldable infant activity center
US6896575B2 (en) * 2003-05-09 2005-05-24 Evenflo Company, Inc. Foldable infant activity center
US7025364B1 (en) * 2003-12-23 2006-04-11 William A Clarke Combined stroller, walker and play station
US7287768B2 (en) * 2003-12-30 2007-10-30 Kolcraft Enterprises Multi-mode child entertaining apparatus and methods of using the same
US6854799B1 (en) * 2004-02-06 2005-02-15 Mattel, Inc. Collapsible infant entertainment device
US20070040431A1 (en) * 2004-02-06 2007-02-22 Bapst David M Free-standing jumping device
US6932709B1 (en) 2004-02-06 2005-08-23 Mattel, Inc. Free-standing jumping device
US8267803B2 (en) 2004-02-06 2012-09-18 Mattel, Inc. Reconfigurable infant support structure
US20050176340A1 (en) * 2004-02-06 2005-08-11 Gubitosi Domenic T. Free-standing jumping device
US7438644B2 (en) 2004-02-06 2008-10-21 Mattel, Inc. Free-standing jumping device
US8182355B2 (en) 2004-02-06 2012-05-22 Mattel, Inc. Free-standing jumping device
US7727076B2 (en) 2004-02-06 2010-06-01 Mattel, Inc. Free-standing jumping device
US8968110B2 (en) 2004-02-06 2015-03-03 Mattel, Inc. Free-standing jumping device
US8845441B2 (en) 2004-02-06 2014-09-30 Mattel, Inc. Reconfigurable infant support structure
US7523984B2 (en) 2006-02-28 2009-04-28 Evenflo Company, Inc. Reconfigurable infant activity center
US20070236056A1 (en) * 2006-02-28 2007-10-11 Jeffrey Steininger Reconfigurable infant activity center
US20080113581A1 (en) * 2006-11-13 2008-05-15 Peter Jazenski Convertible infant activity center
US20100231015A1 (en) * 2009-03-12 2010-09-16 Mattel, Inc. Infant Support Structure with Supported Seat
US8308239B2 (en) 2009-03-12 2012-11-13 Mattel, Inc. Infant support structure with supported seat
US8303033B2 (en) * 2009-03-12 2012-11-06 Mattel, Inc. Infant support structure with supported seat
US9060609B1 (en) 2010-02-01 2015-06-23 Steelcase, Inc. Seat assembly
US8696056B2 (en) 2010-02-01 2014-04-15 Steelcase Inc. Seating unit
US9414686B1 (en) 2010-02-01 2016-08-16 Steelcase Inc. Seat assembly
US20110187164A1 (en) * 2010-02-01 2011-08-04 Corcorran Sean M Seating Unit
US9044087B1 (en) 2010-02-01 2015-06-02 Steelcase, Inc. Seat assembly
US9277825B2 (en) 2010-02-01 2016-03-08 Steelcase, Inc. Node seat to base mounting assembly
US9414685B2 (en) 2010-02-01 2016-08-16 Steelcase Inc. Node seat to base mounting assembly
US9962003B2 (en) 2010-02-01 2018-05-08 Steelcase, Inc. Chair seat to base mounting assembly
US8523742B2 (en) 2010-09-01 2013-09-03 Industrial Technology Research Institute Baby walker
CN103142068A (en) * 2011-12-06 2013-06-12 金上吉塑胶股份有限公司 Foldable vehicle
US9051046B2 (en) * 2012-09-18 2015-06-09 Bell Helicopter Textron Inc. Vertical support system
US20140077032A1 (en) * 2012-09-18 2014-03-20 Bell Helicopter Textron Inc. Vertical Support System

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