US3633308A - Toy including a track for toy cars - Google Patents

Toy including a track for toy cars Download PDF

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US3633308A
US3633308A US3633308DA US3633308A US 3633308 A US3633308 A US 3633308A US 3633308D A US3633308D A US 3633308DA US 3633308 A US3633308 A US 3633308A
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track
car
path
lower
toy
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Tse T Yang
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HOI YUEN Manufacturing CO Ltd
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HOI YUEN Manufacturing CO Ltd
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63HTOYS, e.g. TOPS, DOLLS, HOOPS, BUILDING BLOCKS
    • A63H18/00Highways or trackways for toys; Propulsion by special interaction between vehicle and track
    • A63H18/14Drives arranged in the track, e.g. endless conveying means, magnets, driving-discs
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63HTOYS, e.g. TOPS, DOLLS, HOOPS, BUILDING BLOCKS
    • A63H18/00Highways or trackways for toys; Propulsion by special interaction between vehicle and track
    • A63H18/02Construction or arrangement of the trackway
    • A63H18/06Construction or arrangement of the trackway designed to cause movement of a vehicle by alteration of the inclination of part of the trackway

Abstract

A toy comprises a track approximating in shape to a letter X disposed in a vertical plane, and five cars which run on the track. At each end of the track is a lifting wheel which operates automatically to lift cars from the lower end of a lower branch of the track up to the upper end of the upper branch of the track thereabove, so that the cars move in a path approximating to a figure eight disposed in a vertical plane.

Description

United States Patent Inventor Tse T. Yang Kowloon, Hong Kong Appi. No. 36,202

Filed May 11, 1970 Patented Jan. 1 l, 1972 Assignee Hoi Yuen Manufacturing Company Limited Kowloon, Hong Kong TOY INCLUDING A TRACK FOR TOY CARS 9 Claims, 8 Drawing Figs.

U.S. Cl 46/243 M, 46/202 Int. Cl A63h 19/24 Field of Searc 46/202, 216, 243

[56] References Cited UNITED STATES PATENTS 2,672,709 3/1954 Ernst 46/202 3,281,985 11/1966 Einfalt 46/202 3,456,382 7/1969 Einfalt 46/202 FOREIGN PATENTS 1,322,926 2/1963 France 46/202 575,170 4/1933 Germany 46/202 Primary Examiner Louis G. Mancene Assistant ExaminerRobert F. Cutting Attorney-Oberlin, Maky, Donnelly & Renner ABSTRACT: A toy comprises a track approximating in shape to a letter X disposed in a vertical plane, and five cars which run on the track. At each end of the track is a lifting wheel which operates automatically to lift cars from the lower end of a lower branch of the track up to the upper end of the upper branch of the track thereabove, so that the cars move in a path approximating to a figure eight disposed in a vertical plane.

PATENIED JAN] 1 m2 SHEET 1 OF 3 ll 1 Elia TOY INCLUDING A TRACK FOR TOY CARS SUMMARY OF THE INVENTION One object of the present invention is to provide a toy comprising a track on which a plurality of cars run, the cars running under gravity from an upper level of the track to a lower level and then automatically being lifted back up to a higher level.

According to the present invention there is provided a toy comprising a plurality of cars, track means for the cars, the track means providing a path approximating in shape to a letter X with the plane vertical, and lift means automatically to lift the cars from the lower end of each lower branch of said path to the upper end of the respective upper branch above.

BRIEF DESCRIPTION OF THE DRAWINGS A toy in accordance with the present invention will now be described by way of example with reference to the accompanying drawings, in which:

FIG. I is a side elevation of the complete toy,

FIG. 2 is an end elevation of the complete toy,

FIG. 3 is a perspective view on an enlarged scale of a wheel forming part of the toy,

FIG. 4 is a side elevation on the enlarged scale of a car forming part of the toy,

. FIG. is a partly broken away and very much enlarged perspective view of an end portion of a track forming part of the toy,

FIG. 6 is a cross-sectional detail on the very much enlarged scale of a part of the toy, and

FIGS. 7 and 8 are partly broken-away side elevations on the enlarged scale of an end portion of the toy.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Very briefly, the toy comprises a track, approximating in shape to a letter X disposed in a vertical plane, on which five cars run, and two wheels which are driven by electric motors under the control of switches actuated automatically by the cars. The wheels operate to lift the cars from a lower section of the track up to an upper section such that the cars move in a path approximating to a figure-8 lying in a vertical plane.

Referring to FIGS. 1 and 2, the toy comprises a base 1 adjacent the ends of which are secured main columns 2 and 3. Approximately one-quarter of the length of the base 1 in from the main columns 2 and 3 are secured respective inner columns 4 and 5. All the columns 2 to 5 are aligned longitudinally of the base 1 and straddle the centerline of the base I. The dimensions of the toy can be varied over wide ranges, but by way of a guide only, a length of about 3% feet for the base 1 and a height of about 1 foot for the main columns 2 and 3 have proved satisfactory in practice.

The main columns 2 and 3 respectively form the supports for rotatable, horizontal shafts 6 (FIGS. 7 and 8) and 7 to which are secured respective wheels 8 and 9 the general planes of which are vertical. As particularly seen in FIG. 3, each of the wheels 8 and 9 comprises two spoked members 10 secured together by spacers 11. Each member 10 comprises a center disc 12, having a central aperture 13 which closely fits the shaft 6 or 7, and from which radiate three spokes 14 that connect the disc 12 to a rim 15.

Referring again to FIGS. I and 2, the shaft 6 (FIGS. 7 and 8) projects from the main column 2 into a housing 16 which is secured to one side of the column 2. The housing 16 accommodates a 3-volt direct current electric motor, the shaft of which is coupled by way of a reducing-speed gear train to the shaft 6. The precise form and arrangement of the electric motor and gear train is not important, the requirement merely being that when the electric motor is energized from a 3-volt source the wheel 8 is rotated moderately slowly.

Mounted on the base I on the side of the column 2 remote from the housing 16 is a battery box 17 having a removable lid 18, the box 17 accommodating two lr-volt batteries and having contacts whereby the two batteries are connected in series to provide at output leads 19 the 3-volt supply required to energize the electric motor. Although for simplicity shown as a plain box 17, it may, of course, be shaped and/or decorated to look like a powerhouse or a bungalow. Alternatively or in addition the battery box 17 may be combined with the housing 16.

One of the shafts in the geartrain carries a bell striker 20 which when the shah rotates strikes a bell 21. The shaft selected is one which rotates moderately fast, so that when the electric motor runs the bell 21 sounds continuously.

Associated with the main column 3 are a housing 22 and a battery box 23, these being similar to the housing 16 and battery box 17 respectively, but reversed side for side. Although not shown the housing 22 preferably also has a bell which sounds when the electric motor which drives the wheel 9 is running.

Disposed symmetrically between the main column 2 and 3 is a humpbacked track 24 the respective ends of which terminate under the wheels 8 and 9. The track 24 passes through the inner columns 4 and 5. The track 24 comprises a roadway 25 (clearly visible only in FIG. 5) on which cars, such as the car 26 of FIG. 4 can run, the sides of the roadway 25 being bounded by guide walls 27. The walls 27 define a width slightly greater than that of the cars.

Near the tops of the inner columns 4 and 5 respectively are mounted horizontal shafts 28 and 29 which carry similar pivotable tracks 30 and 31 respectively. Considering for example the left-hand track 30 of FIG. I, this comprises a roadway 32 on which the cars can run, the sides of the roadway 32 being bounded by guide walls 33 similar in form and spacing to the walls 27 of the track 24.

The track 30 is free to pivot, the extent to which the lefthand end as seen in FIG. 1 can drop being limited by a stop 34 secured to the underside of the roadway 32. The extent to which the right-hand end as seen in FIG. I can drop is limited by the contact of the right-hand end of the roadway 32 with the track 24. The right-hand end of the roadway 32 is slightly curved as shown so that when the right-hand end is down, a car descending the track 30 runs off smoothly on to the track 24.

The stable equilibrium position of the track 30 is as shown in FIG. 1, the track 30 sloping away slightly from the wheel 8. In this position the left-hand ends of the walls 33 are just clear of the wheel 8, but the roadway 32, which projects by about a cars length beyond the walls 33, extends into the wheel 8. The right-hand end of the roadway 32 also extends beyond the walls 33 by a similar distance, so that the walls 33 do not foul the walls 26 of the track 24 when the right-hand end of the track 30 descends.

Referring to FIG. 4, all five cars are preferably identical to the car 26 shown, and are preferably end-for-end symmetrical. However, when a full understanding of the toy has been obtained it will be realized that there can be departures from these requirements within certain restricted limits. Moreover, the cars may be shaped or painted to take some other form, for example, to look like animals, such as, say, elephants.

Each car has four freely rotatable wheels 35, while at each side of the top of the body are respective sideways projecting portions 36, the respective lower surfaces of which are shaped to provide downwardly open recesses 37 which are vertically above an imaginary horizontal line passing normal to the length of the car through the center of gravity.

Referring also to FIG. 3, the projecting portions 36 define the greatest width of the cars, and this width is such as readily to pass between the inner surfaces of the spoked members 10. Each rim 15 has three inwardly projecting lugs 38 disposed l20 apart with corresponding lugs 38 on the two rims I5 aligned. The shape and disposition of the lugs 38 is such that a car can be suspended by the engagement of a pair of lugs 38 with the recesses 37, as seen in FIGS. 7 and 8.

The sides of the left-hand end of the roadway 32 as seen in FIG. 1 are cutaway so as not to foul the lugs 38 as the wheel 8 rotates. The right-hand end of the roadway of the track 31 is similarly cut away.

, Reference will now be made to FIGS. 5 and 6, but first it should be explained that FIG. 5 is a partly broken-away perspective view of one end of the track 24. The end is in fact the left-hand end as viewed in FIG. 1, but as seen from the far side as compared with FIG. I. The other end of the track 24 is reversed side-for-side but is otherwise identical. A portion of the roadway 25 is seen, together with the end portion of the far wall 27 which as seen has a curved upper surface 39 closely adjacent to which the periphery of the wheel 8 (not shown) runs. At the end of the track 24 is mounted a switch controller 40 which is pivotable over a limited angle, indicated by the full and dot-dash lines, about a shaft 41 which is mounted on the under side of the roadway 25. The switch controller 40 comprises an end stop 42 projecting parallel to the roadway 25 from the top of an end plate 43. Secured to the sides of the end plate 43 are side plates 44 which have apertures to receive the shaft 41. The far side plate 44 extends beyond the shaft 41 to form an arm 45 the end portion 46 of which is curved upwards to pass through a gap 47 in the wall 26. Rivetted to the end portion 46 is a brass strip 48 which is bent to an L shape to provide a horizontal, inwardly projecting arm 49.

Particular reference will now be made to FIG. 6 which is a cross-sectional detail of the arm 45 looking towards the end portion 46, and, adjacent to the arm 45, a small part of one upright side portion of the main column 2. Mounted on the inside of this part of the column 2 are two brass contacts 50 and 51, the contact 50 being flush on the surface and the contact 51 curving resiliently away from the surface as shown. In the position shown, which corresponds to the full-line position of FIG. 5, the contacts 50 and 51 are not touching. However on moving to the dot-dash line position of FIG. 5, the end portion 46 of the arm 45 lifts, and in so doing displaces the contact 51 to touch the contact 50.

As previously mentioned, leads 19 (FIG. 2) extend from the battery box 17, and one of these leads 19 is connected to the contact 50, whilst the other is connected to one terminal of the associated electric motor. The other terminal of the electric motor is connected by a lead 52 to the contact 51, so that when the switch controller 40 is in the dot-dash line position of FIG. 5 the electric motor is energized.

The arrangement is such that the switch controller 40 is displaced to the dot-dash line position of FIG. 5 by the impact of a car running down the track 24 and striking the end stop 42.

The manner in which the switch controller 40 is returned to the full-line position of FIG. 5 will now be described with, reference also to FIGS. 3 and 6. Referring first to FIG. 3, the outer major surface of the rim of the wheel 8 on the side on which the arm 45 is positioned has an annular recess 53 into which the arm 49 projects. Projecting from the inner edge of the recess 53 are three cam surfaces 54 which are disposed adjacent the outer ends of the spokes 14 and about midway between adjacent lugs 38 on the rim 15. Each cam surface 54 is approximately wedge shaped and is dimensioned such that when the wheel 8 rotates clockwise as seen in FIG. 3 it will engage the arm 49 and push it downwards sufficiently to displace the switch controller 40 back to the full-line position of FIG. 5 thereby deenergizing the associated electric motor.

Each time therefore a car strikes the end stop 42 the wheel 8 will rotate through an angular distance of 120 and then stop.

rotates clockwise as seen in FIGS. 7 and 8 and the associated bell rings.

Rotation of the wheel 8 carries the car 26 forwards and downwards towards the track 30 as seen in FIG. 8. When the wheels of the car 26 meet the roadway 32, the lugs 38 pass downwardly out of the recess 37 of the car 26 so that the car 26 is then free of the wheel 8. Because the track 30 slopes away from the wheel 8 the car 26 will run down the track 30. As the car 26 passes over the shaft 28 the track 30 will pivot to increase the angle of slope. The car 26 will therefore run with increasing momentum down the track 30 and smoothly off on the track 24 towards the bottom of the other wheel 9 (FIG. I As will be seen from FIG. I the car 26 can pass under the lefthand end of the track 31 because at this time the track 31 is in The operation will now be described, with particular reference to FIGS. 7 and 8. In the start condition the wheel 8 is positioned at rest as shown in FIG. 7 and has two cars 26 and 55 hung on respective pairs of lugs 38 (FIG. 3) as shown. The track 30 is in the equilibrium position as shown in FIG. 7. The arrangement at the other end of the toy is the same, two of the three remaining cars being hung on pairs of lugs on the other wheel 9 (FIG. I).

To set the toy into operation the fifth car 56 is released manually so as to run down the track 24 towards the bottom of the wheel 8. In so doing it passes under the unoccupied pair of lugs 38 and on reaching the end of the track 24 strikes the end stop 42 and operates the switch controller 40, causing the associated electric motor to be energized, so that the wheel 8 the equilibrium position. The track 30 likewise returns to the equilibrium position when the car 26 has passed off the righthand end.

Referring back to'FIG. 8, the car 55 will in the meantime have been carried upwards by the rotation of the wheel 8, and moreover the initially unoccupied pair of lugs 38 will have lifted the car 56 off the end of the track 24. When the wheel 8 has rotated through I20" it stops automatically as previously described. The cars 55 and 56 then occupy positions corresponding to the initial positions of the cars 26 and 55 respectively.

The wheel 8 stops at approximately the time that the car 26 causes the other wheel 9 to start rotating. This rotation of the wheel 9 causes the top car on the wheel 9 to be released on to the track 31 and run down to the wheel 8 and cause the wheel 8 to rotate again. Once started, therefore, the action continues until a car is removed.

The greater part of the toy can, of course, be made of suitable plastics material, in particular the elements 1 to 5, l0, l2, 14, 15,17, 18, 23 to 27, 30 to 36, 38, 42 to 46 and 54 to 56.

Various modifications can of course be made without departing from the invention as defined by the appended claims.

I claim:

1. A toy comprising a plurality of cars; track means for the cars, the track means providing a path approximating in shape to a letter X with the plane vertical and comprising a first humpbacked track which provides the two lower branches of said path, and second and third tracks which provide the respective upper branches of said path, the second track being pivotally supported on a first horizontal shaft so as to be vertically above and axially aligned with one lower branch of said path, the second track having a stable equilibrium position in which it is inclined downwards at an angle towards the center of the first track, the lower end of the second track then being spaced vertically above the first track by a distance sufficient for a car running on the first track to pass freely under said lower end of the second track, the arrangement of the second track being such that when a car is placed on the upper end of the second track, the second track remains in said stable equilibrium position until the car has run down past said first shaft whereupon the second track pivots about the axis defined by said first shaft until said lower end of the second track rests on the first track such that the car runs off the second track on to the first track and continues to the lower end of the other lower branch of said path, and the third track being pivotally supported on a second horizontal shaft so as to be vertically above and axially aligned with said lower branch of said path, the third track having a stable equilibrium position in which it is inclined downwards at an angle towards the center of the first track, the lower end of the third track then being spaced vertically above the first track by a distance sufficient for a car running on the first track to pass freely under said lower end of the third track, the arrangement of the third track being such that when a car is placed on the upper end of the third track, the third track remains in said stable equilibrium position until the car has run down past said second shaft whereupon the third track pivots about the axis defined by said second shaft until said lower end of the third track rests on the first track such that the car runs off the third track on to the first track and continues to the lower end of said one branch of said path; and lift means automatically to lift the cars from the lower end of each lower branch of said path to the upper end of the respective upper branch above.

2. A toy as set forth in claim 1 wherein said lift means comprises two similar lifting wheels mounted for rotation on respective horizontal shafts disposed above the lower ends of the lower branches of said path.

3. A toy as set forth in claim 2 wherein each said lifting wheel has an associated electric motor coupled to said wheel shaft, said motor in use being connected to a source of electric current by way of a switch, and said switch being actuated by a switch controller mounted at the lower end of the respective lower branch of said path, whereby a car running down said lower branch strikes said controller thereby closing the switch so that said motor is energized and said lifting wheel rotates and deposits a car on the upper end of the respective one of the second and third tracks thereabove.

4. A toy as set forth in claim 3 further comprising means automatically to open said switch when said lifting wheel has rotated through a predetermined angular distance and deposited a car as aforesaid.

5. A toy as set forth in claim 4 wherein said switch controller comprises a pivotable member having an arm extending therefrom, the impact of a car on said member causing said member to pivot to a position in which said arm closes said switch, and wherein said lifting wheel has a plurality of cam surfaces each operative when said lifting wheel is rotated to bring the cam surface adjacent to said arm to displace the arm whereby the switch is opened and said member is pivoted back to the initial position.

6. A toy as set forth in claim 5 wherein each said lifting wheel has a plurality of pairs of inwardly projecting lugs and each said car has a pair of downwardly open recesses, the relative dispositions of said pairs of lugs and said recesses being such that when a car is standing at the lower end of one of the lower branches of said path and the adjacent said lifting wheel is rotated an unoccupied pair of said lugs approaching said car will engage into said recesses and lift said car from the first track and carry it upwards for subsequent deposit on the upper end of the respective second or third track thereabove, the car remaining substantially horizontal while suspended from said pair of lugs.

7. A toy as set forth in claim 6 comprising five said cars and wherein each said lifting wheel for three said pairs of lugs disposed at angular intervals of 120 and three said cam surfaces disposed at angular intervals of 120, whereby each time the associated said switch is closed said lifting wheel rotates through an angular distance of 120.

8. A toy as set forth in claim 7 wherein at least one said lifting wheel has a bell associated therewith, the bell being arranged to ring when said lifting wheel rotates.

9. A toy comprising a plurality of cars, track means for the cars, the track means providing a path approximating in shape to a letter X with the plane vertical and comprising a first humpbacked track which provides the two lower branches of said path, and second and third tracks which provide the respective upper branches of said path; and lift means automatically to lift the cars from the lower end of each lower branch of said path to the upper end of the respective upper branch above, said lift means comprising two similar lifting wheels mounted for rotation on respective horizontal shafts disposed above the lower ends of the lower branches of said path.

Claims (9)

1. A toy comprising a plurality of cars; track means for the cars, the track means providing a path approximating in shape to a letter X with the plane vertical and comprising a first humpbacked track which provides the two lower branches of said path, and second and third tracks which provide the respective upper branches of said path, the second track being pivotally suppoRted on a first horizontal shaft so as to be vertically above and axially aligned with one lower branch of said path, the second track having a stable equilibrium position in which it is inclined downwards at an angle towards the center of the first track, the lower end of the second track then being spaced vertically above the first track by a distance sufficient for a car running on the first track to pass freely under said lower end of the second track, the arrangement of the second track being such that when a car is placed on the upper end of the second track, the second track remains in said stable equilibrium position until the car has run down past said first shaft whereupon the second track pivots about the axis defined by said first shaft until said lower end of the second track rests on the first track such that the car runs off the second track on to the first track and continues to the lower end of the other lower branch of said path, and the third track being pivotally supported on a second horizontal shaft so as to be vertically above and axially aligned with said lower branch of said path, the third track having a stable equilibrium position in which it is inclined downwards at an angle towards the center of the first track, the lower end of the third track then being spaced vertically above the first track by a distance sufficient for a car running on the first track to pass freely under said lower end of the third track, the arrangement of the third track being such that when a car is placed on the upper end of the third track, the third track remains in said stable equilibrium position until the car has run down past said second shaft whereupon the third track pivots about the axis defined by said second shaft until said lower end of the third track rests on the first track such that the car runs off the third track on to the first track and continues to the lower end of said one branch of said path; and lift means automatically to lift the cars from the lower end of each lower branch of said path to the upper end of the respective upper branch above.
2. A toy as set forth in claim 1 wherein said lift means comprises two similar lifting wheels mounted for rotation on respective horizontal shafts disposed above the lower ends of the lower branches of said path.
3. A toy as set forth in claim 2 wherein each said lifting wheel has an associated electric motor coupled to said wheel shaft, said motor in use being connected to a source of electric current by way of a switch, and said switch being actuated by a switch controller mounted at the lower end of the respective lower branch of said path, whereby a car running down said lower branch strikes said controller thereby closing the switch so that said motor is energized and said lifting wheel rotates and deposits a car on the upper end of the respective one of the second and third tracks thereabove.
4. A toy as set forth in claim 3 further comprising means automatically to open said switch when said lifting wheel has rotated through a predetermined angular distance and deposited a car as aforesaid.
5. A toy as set forth in claim 4 wherein said switch controller comprises a pivotable member having an arm extending therefrom, the impact of a car on said member causing said member to pivot to a position in which said arm closes said switch, and wherein said lifting wheel has a plurality of cam surfaces each operative when said lifting wheel is rotated to bring the cam surface adjacent to said arm to displace the arm whereby the switch is opened and said member is pivoted back to the initial position.
6. A toy as set forth in claim 5 wherein each said lifting wheel has a plurality of pairs of inwardly projecting lugs and each said car has a pair of downwardly open recesses, the relative dispositions of said pairs of lugs and said recesses being such that when a car is standing at the lower end of one of the lower branches of said path and the adjacent said lifting wheel is rotated an unoccupied pair of said lugs approaching said car will engage into said recesses and lift said car from the first track and carry it upwards for subsequent deposit on the upper end of the respective second or third track thereabove, the car remaining substantially horizontal while suspended from said pair of lugs.
7. A toy as set forth in claim 6 comprising five said cars and wherein each said lifting wheel for three said pairs of lugs disposed at angular intervals of 120* and three said cam surfaces disposed at angular intervals of 120*, whereby each time the associated said switch is closed said lifting wheel rotates through an angular distance of 120*.
8. A toy as set forth in claim 7 wherein at least one said lifting wheel has a bell associated therewith, the bell being arranged to ring when said lifting wheel rotates.
9. A toy comprising a plurality of cars, track means for the cars, the track means providing a path approximating in shape to a letter X with the plane vertical and comprising a first humpbacked track which provides the two lower branches of said path, and second and third tracks which provide the respective upper branches of said path; and lift means automatically to lift the cars from the lower end of each lower branch of said path to the upper end of the respective upper branch above, said lift means comprising two similar lifting wheels mounted for rotation on respective horizontal shafts disposed above the lower ends of the lower branches of said path.
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US4100696A (en) * 1977-01-17 1978-07-18 Tomy Kogyo Co., Inc. Transfer mechanism intended for use with movable figurines
US4128964A (en) * 1976-07-16 1978-12-12 Tomy Kogyo Co., Inc. Transfer mechanism intended for use in toys
US4150507A (en) * 1976-06-04 1979-04-24 Tomy Kogyo Co., Inc. Toy for loading a vehicle
US4661080A (en) * 1985-06-18 1987-04-28 Mattel, Inc. Toy racing set with exploding raceway
US20050287915A1 (en) * 2004-01-23 2005-12-29 Sheltman David A Stunt device for toy vehicle trackset
US20060286897A1 (en) * 2005-06-16 2006-12-21 Jonathan Bedford Toy play set with moving platform
US20070259600A1 (en) * 2005-06-16 2007-11-08 Jonathan Bedford Play set with toy vehicle track and carriage
US20070293123A1 (en) * 2006-05-04 2007-12-20 Mattel, Inc. Indexing Stunt Selector for Vehicle Track Set
US20080268743A1 (en) * 2007-04-27 2008-10-30 O'connor Stacy Lynn Toy track set and relay segments
US20100096509A1 (en) * 2008-10-17 2010-04-22 O'connor Stacy Lynn Relay For Toy Track Set
US20100159800A1 (en) * 2007-04-27 2010-06-24 O'connor Stacy Lynn Toy track set and relay segments
US20100273394A1 (en) * 2007-04-27 2010-10-28 O'connor Stacy L Toy track set and relay segments
US20100285719A1 (en) * 2008-10-10 2010-11-11 Dominic Laurienzo Track set with taut filament for use with a toy vehicle
US20100291833A1 (en) * 2007-04-27 2010-11-18 O'connor Stacy L Toy track set and relay segments
US20110124265A1 (en) * 2007-04-27 2011-05-26 O'connor Stacy Lynn Toy track set and relay segments
US8256721B2 (en) 2007-04-27 2012-09-04 Mattel, Inc. Toy track set and relay segments
US8567690B2 (en) 2010-08-27 2013-10-29 Mattel, Inc. Toy vehicle track set
US8608527B2 (en) 2010-08-27 2013-12-17 Mattel, Inc. Wall mounted toy track set
US8944881B2 (en) 2010-08-27 2015-02-03 Mattel, Inc. Toy track set
US9345979B2 (en) 2012-09-12 2016-05-24 Mattel, Inc. Wall mounted toy track set
US9421473B2 (en) 2012-10-04 2016-08-23 Mattel, Inc. Wall mounted toy track set
US9452366B2 (en) 2012-04-27 2016-09-27 Mattel, Inc. Toy track set
US9457284B2 (en) 2012-05-21 2016-10-04 Mattel, Inc. Spiral toy track set
US9586154B2 (en) 2013-10-03 2017-03-07 Mattel, Inc. Toy racetrack with moveable obstacle

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