EP0133054B1 - Jouet roulant - Google Patents
Jouet roulant Download PDFInfo
- Publication number
- EP0133054B1 EP0133054B1 EP19840305220 EP84305220A EP0133054B1 EP 0133054 B1 EP0133054 B1 EP 0133054B1 EP 19840305220 EP19840305220 EP 19840305220 EP 84305220 A EP84305220 A EP 84305220A EP 0133054 B1 EP0133054 B1 EP 0133054B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gear
- moving portion
- timing gear
- wheels
- running
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 claims description 30
- 230000009191 jumping Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
- A63H17/004—Stunt-cars, e.g. lifting front wheels, roll-over or invertible cars
Definitions
- This invention relates to a running toy which performs jumping or somersault operation.
- a running toy which performs a somersault operation has been disclosed by Japanese Patent Publication No. 54-16780.
- the running toy according to that patent of the present applicant has a swingable lever which at one of its ends is pivotally mounted in a body of the toy, with a weight at its opposite end disposed outside of the body.
- the lever In use the lever is pushed down against the force of a spring and restrained by a stopper.
- the toy is then pushed to run by hand and the resilient force which has been stored in the spring is released all at once when the toy has run a predetermined distance and the lever is released, whereby the toy jumps up above the path and somersaults.
- the running toy mentioned above might be suitable for relatively young children, but its operation would not be satisfactory for activity toys such as stunt car and motorcycle which attach importance to the ability of running after jumping.
- an object of the invention is to provide an improved running toy.
- a running toy comprising a housing having wheels for running and a downward facing inner surface, a moving portion disposed in said housing so as to move in the up and down directions and transfer its movement energy to the housing by impact with the inner surface, a spring which imparts an upward force to said moving portion, a stopper member which holds said moving portion at the position where it is pushed down against the resilient force of said spring, a timing gear driven by one of said wheels, and release means attached to said timing gear for releasing engagement between the moving portion and said stopper member when said timing gear is rotated by a predetermined amount, characterised by said moving portion comprising a weight which has a recess formed in a bottom surface thereof, and said spring is disposed in said recess so as to expand and contract in the up and down directions.
- the running toy includes a timing gear return mechanism for automatically returning said timing gear to a starting position.
- the running toy comprises an axle for said wheels and a worm gear fitted to the axle and engaging said timing gear, said release means comprising a cam provided in concentric relationship with the timing gear or a projection provided on a surface of the timing gear in an eccentric manner.
- axles of the wheels for running penetrate through elongated holes that are formed on both sides of the housing, the holes being elongated in the up and down directions, and when the housing is lifted up, the axles of wheels for running descend along the holes due to their own weight, whereby the worm gear fitted to the axle of the wheels, for running disengages from the timing gear.
- the moving portion includes a flywheel that rotatably drives the wheels for running
- the release means comprises a projection that releases the engagement between the moving portion and said stopper member when the timing gear is rotated to a predetermined position.
- the moving portion preferably includes a transmission gear which is positioned between a coaxial gear rotating with the wheels for running and the timing gear, and the timing gear comprises a deformable gear having a nondeformable part formed by a nondeformable curve with a curvature radius which is more than that of another, deformable part measured from the same center, the deformable part given flexibility by an arcuate slot opposite the nondeformable part, and having a cutout part formed at a position slightly distanced from a starting point of the arcuate slot, the cutout part facing the transmission gear when the moving portion abuts on the inner surface of the housing, said deformable gear meshing with the transmission gear when the moving portion is at the position where it is pushed down, and teeth at the starting point of the cutout part of the deformable gear meshing with the transmission gear when the projection comes to the position where it releases the restraint of said moving portion by the stopper member during rotation of the deformable gear.
- the transmission gear is preferably arranged to disengage from the coaxial gear and the timing gear by pushing a button projected outside of the body.
- Fig. 1 shows a toy car according to a preferred embodiment of the invention
- Figs. 2 and 3 show the internal construction thereof.
- the toy car has a housing 1 of the shape of the body of a passenger car, and front and rear pairs of wheels 3a and 3b attached to both ends of a front axle 2a and a rear axle 2b that penetrate through both side walls of the housing.
- To the front axle 2a is attached a worm gear 4 which meshes with a spur gearthatwill be mentioned later.
- Through holes 5 where the axles 2a, 2b rotatably penetrate have vertically elongated shapes formed in both side walls of the housing 1.
- the axles When the toy car is placed on the floor, the axles are positioned at the upper ends of the through holes 5 to support the housing 1 as shown in Fig. 3. When the toy car is lifted up, on the other hand, the axles descend to the lower ends of the through holes 5 due to their own weight and a weight of the wheels 3a and 3b.
- a moving portion or member 6 consisting of a weight having the shape of rectangular paral- lelopiped is disposed at a central position in the housing 1 so as to move in the upper and lower directions.
- a push button 9 is attached to the upper end of the shaft 8.
- a recess 6a of a circular shape in cross section is formed in the lower surface of the moving member 6 as shown in Fig. 3, and a coil spring 10 is accommodated to freely expand and contract therein.
- a nearly L-shaped stopper member 11 in the back and forth direction to hold the moving member 6 at a lower position against the resilient force of the spring 10 as shown in Fig. 2.
- the stopper member 11 is supported at its rear end 11 b by a pin 12 so as to rotate in the horizontal direction, and has a forwardly stretching portion of an inverted L-shape in cross section so as to come into engagement with the upper edge portion of the protuberance 7 on the upper surface of the moving member. Further, the front end of the stopper member 11 is downwardly bent, and its lower end 11 a is forwardly protruded.
- the stopper member 11 of the above-mentioned shape is pulled to turn in the counterclockwise direction as viewed from the upper side with the pin 12 as a center, by a spring 13 which is disposed between the bent portion of the stopper member 11 and a portion of the housing 1.
- the stopper member 11 comes into contact with the side surface of protuberance 7 on the moving member 6.
- the push button 9 is depressed by a finger against the force of the spring 10 to lower the moving member 6 and the protuberance 7, the stopper member 11 slightly turns in the counterclockwise direction, engages with the upper edge of the protuberance 7, and holds the moving member 6 at the lower position.
- a spur gear 14 is disposed to mesh with the worm gear 4 between the lower end 11 a of the stopper member 11 and the front axle 2a.
- An eccentric pin 15 is studded on the upper surface of the spur gear 14. When the pin 15 comes into engagement with the lower end 11 a of the stopper member 11 to push it in the clockwise direction, the moving member 6 is held no more at the lower position by the stopper member 11. To bring the pin 15 to a predetermined start position, furthermore, a spring 16 is connected between the pin 15 and a portion of the housing 1.
- the toy car of Fig. 1 operates as described below.
- Fig. 2 illustrates this condition.
- the worm gear 4 of the front axle 2a is in mesh with the spur gear 14, and the pin 15 is located at the starting position as shown. This is because, if the toy is once lifted up prior to placing it on a plane, the axle 2a descends to the lower end of through holes 5 of the housing 1, and the worm gear 4 disengages from the spur gear 14. Therefore, the spur gear 14 and the pin 15 are returned to the starting position being pulled by the spring 16.
- the toy car performs the jumping operation when it has run a predetermined distance, i.e., when the pin 15 is turned to a position at which the moving member 6 is no more held by the stopper member 11.
- the toy car can be constructed to perform somersault operation by changing the position of the moving member.
- Fig. 4 shows a toy car which performs somersault operation after it has run a predetermined distance according to modified embodiment of the invention.
- the construction of this embodiment is fundamentally the same as the toy of Fig. 1, but is different with respect to the points mentioned below.
- the direction in which the toy proceeds is opposite. That is, the worm gear 4 is attached to the axle 2b of the rear wheels 3b.
- the spur gear 14 rotates in the counterclockwise direction.
- a cam 17 is provided on the upper surface of the spur gear 14 in concentric therewith, and the protruded portion of the cam 17 comes into engagement with the lower end 11 a of the stopper member 11 to push it leftwards, so that the moving member 6 is no more held at the lower position by the stopper member 11.
- the spring 13 is hooked to the downwardly bent portion of the stopper member 11 to turn it in the counterclockwise direction.
- the moving member 6 has a columnar shape and is disposed in a front portion of the car body.
- the mechanism for liberating the moving member from the stopper member may be any one which operates being interlocked to the rotation of wheels, and need not be limited to the one which is shown in the drawings.
- Fig. 5 shows a toy motorcycle according to another preferred embodiment of the invention
- Fig. 6 is a sectional view along the line VI-VI, which shows the internal construction of the toy.
- the toy motorcycle comprises a hollow body 22 of the shape of a motorcycle, and front and rear wheels 28 and 30 which are rotatably attached to front and rear portions of the body by axles 24 and 26, respectively.
- a strip-like rubber tire 30a is wound around a rearwheel 30.
- Afront end of the body 22 has a through hole 34 (Fig. 7), through which an upper portion of a tilted handle shaft 32 penetrates loosely to move in upper and lower directions, and has an upper surface plate which is formed as one body to hide an upper end 33 of the handle shaft 32.
- the upper end 33 of the handle shaft 32 is shaped greater in diameter and flat so that it cannot fall out of the through hole 34.
- a middle portion of the handle shaft 32 is shaped as a step supporting the front portion of the body 22 through contact with a bottom surface of the front end of the body 22.
- a lower portion of the handle shaft 32 diverges into two extended portions, between which portions the front wheel 28 is rotatably supported by the axle 24 as a fulcrum and a fender formation 38 is provided.
- a moving portion 40 which is formed by joining left and right cases as shown in Fig. 6, is swingably mounted in upper and lower directions at the rear axle 26 as a fulcrum.
- a front end of the moving portion 40 protrudes forward and has on a bottom surface a recess 43 receiving an upper end of a coil spring 44 which is disposed so as to expand and contract in upper and lower directions in the body 22 as shown in Fig. 7.
- the moving portion 40 is urged to an inner wall surface of the body 22 by the spring 44 at the front end 42, and the upper part of the moving portion 40 appears from the body 22.
- a supplementary weight 45 (Fig. 8) for moving the center of gravity of the moving portion 40 toward the front end 42.
- a protrusion 46 is provided at the position where it cannot be in contact with the spring 44 and the supplementary weight 45, and a member 50 forms part of the moving portion 40 by being pivotally mounted thereon by an axial pin 48 attached to the protrusion 46 as shown in Fig. 9. While one end of the member 50 is supported by the axial pin 48, other end extends to the center of the moving portion 40.
- the member 50 is pulled by a spring 52 disposed between a middle portion of the member 50 and an inner wall surface of the moving portion 40, and is kept against the inner wall of the body 22.
- a stopper member in the form of a .detention protrusion 54 which holds the moving portion 40 at the position where it is pushed (Fig. 10) by engagement with an end of the member 50 when the moving portion 40 is pushed down while the spring 44 is pressed.
- a rotary member which liberates the engagement between the member 50 and the detention protrusion 54 (which operates as a kind of timer) when the rear wheel 30 has rotated a certain degree of rotation.
- the driving means of the rear wheel 30 comprises a flywheel 58 which rotates with an axle 56 attached to the moving portion 40 in the center, a pinion 60 which is coaxial and rotates with the flywheel as one body, and a stepped gear 62 consisting of a greater-diameter portion meshing with the pinion 60 and a smaller-diameter portion meshing with a coaxial gear 31 provided as one body in the left side of the rear wheel 30. Accordingly, it is possible to energize, that is, to give the rotational force to the flywheel 58 by rotating the rear wheel 30.
- the flywheel 58 is used as a power source to rotate the rear wheel 30, it is used as means providing a necessary mass for beating the moving portion 40 against the body 22 to loop the running toy.
- the flywheel has the role as a power source driving the stopper-release means mentioned below.
- a deformed gear 64 which rotates with the axle 56 of the moving portion 40 in the center and independently of the flywheel 58 as shown in Figs. 6 and 7, as a rotary member for releasing the engagement between the member 50 and the detention protrusion 54 when the rear wheel 30 has rotated a certain degree.
- a stepped transmission gear 66 having a smaller-diameter portion 66a meshing with the deformed gear 64, and a pinion 68 which is attached to the axle 26 of the rear wheel 30 as one body and is meshing with a greater-diameter portion 66b of the transmission gear 66, to con- structthe stopper-release means together with the deformed gear 64.
- an axle 70 of the transmission gear 66 penetrates through the right side casing of the moving portion 40 and the body 22 and protrudes outside.
- a push button 72 is attached to the tip of the axle 70, and a coil spring 74 surrounding the axle 70 is disposed between the push button 72 and the body 22. The circumference of the coil spring 74 and the push button 72 is hidden by a cylindrical protrusion 22a formed in the body 22.
- the transmission gear 66 meshes with the deformed gear 64 and the pinion 68 of the rear wheel 30 to transmit the rotation of the rear wheel 30 to the deformed gear 64.
- the transmission gear 66 is disengaged from the defined gear 64 and the pinion 68, so that it cannot be rotated in spite of the rotation of the rear wheel 30. Stopping pushing the button 72, the push button 72 and the transmission gear 66 are urged back where they were by the force of the spring 74.
- the deformed gear 64 is formed as follows by a plastic material usually used for toys. As shown in Fig. 9, the deformed gear 64 has a part 64a of its circumference formed by a curve, curvature radius of which being more than that of other part, a gear portion which has flexibility given by cutting from a point of the curve part 64a in a shape of arc, and a tooth-lacked part 64b formed at a position slightly distanced from a starting point of the cutout 65 in an opposite direction.
- a projection 76 which engages with an end of the member 50 extending to the center of the moving portion 40 so as to slightly rotate the member 50 in a clockwise direction in the drawing.
- the position of the projection 76 is set so that the projection 76 can push the end of the member 50 to release the engagement with the detention protrusion 54 when the gear portion adjoining the starting point of the cutout 65 of the deformed gear 64 meshes with the smaller-diameter portion 66a of the transmission gear 66 as shown in Figs. 12 and 13, in the state where the other end of the member 50 is engaging with the detention protrusion 54 in the body 22.
- the curvature radius of the part 64a of the deformed gear 64 is made greater, which part engages with the smaller-diameter portion 66a of the transmission gear 66 when the protrusion 76 releases the engagement as mentioned above, whereby the engagement between the deformed gear 64 and the smaller-diameter portion 66a of the transmission gear 66 is maintained even if the deformed gear 64 has moved upward.
- the deformed gear 64 must be in mesh with the smaller diameter portion 66a of the transmission gear 66 at a constant diameter (which is smaller than the curvature radius of the curve part 64a mentioned above).
- the arched cutout 65 is formed in the curve part 64a of the deformed gear 64 which is meshing with the smaller-diameter portion 66a before the protrusion 76 releases the engagement as mentioned above, so that the flexibility is given to the part 64a.
- the gear portion of the deformed gear 64 meshing with the smaller-diameter portion 66a of the transmission gear 66 is retired to the diameter equal to that of other portion before the protrusion 76 releases the engagement.
- the toy motorcycle as shown operates as explained below.
- the moving portion 40 which is in the upper position as shown in Fig. 7 is pushed down until the end of the member 50 engages with the detention protrusion 54.
- the push button 72 in the right side of the body 22 is pressed by a finger, the rear wheel 30 is rotated by pushing it forward on the floor. Accordingly, the rotational force is transmitted from the gear 31 formed as one body in the rear wheel 30 to the flywheel 58 through the stepped gear 62 and the pinion 60.
- the deformed gear 64 is not rotated wherever the tooth-lacked part 64b is positioned because the transmission gear 66 of the stopper-release means is not in mesh with either the pinion 68 of the rear axle 26 or the deformed gear 64.
- the rear wheel 30 is driven by the rotational force of the flywheel 58 and thus the toy begins to run forward.
- the transmission gear 66 meshes with both of the pinion 68 of the rear axle 26 and the deformed gear 64, and thus the rotation of the rear wheel 30 is transmitted to the deformed gear 64, which is rotated in the counterclockwise direction in Fig. 10 and the following figures.
- the deformed gear 64 has already been reset in the position of Fig. 9 after the restriction of the moving portion 40 was ceased, the deformed gear 64 begins to rotate from this position.
- the flywheel 58 was energized without pushing the push button 72, the deformed gear 64 would have been rotated from the reset position before the toy begins to run on the floor.
- the deformed gear 64 With the rotation of the deformed gear 64, the projection 76 on the surface thereof is in engagement with the end of the member 50 as shown in Fig. 11, whereby the member 50 is rotated in the clockwise direction with the axial pin 48 in the center, and the other end of the member 50 gradually slides up underneath the detention protrusion 54 of the body 22.
- the deformed gear 64 meshes with the smaller-diameter portion 66a of the transmission gear 66 at the gear part 64a having flexibility as shown in Fig. 12, and the starting point of the cutout 65 approaches to the smaller-diameter portion 66a.
- the moving portion 40 When the end of the member 50 has got over the tip of the detention protrusion 54, the moving portion 40 is rotated upward in a moment with the rear axle 26 as a fulcrum by the resilient force of the contracted spring 44, and then the front end 42 collides against the inner wall surface of the upper portion of the body 22 (Fig. 13). In this case, the deformed gear 64 keeps the engagement with the smaller-diameter portion 66a of the transmission gear 66 at the starting point of the cutout 65. When the moving portion 40 is pushed up, the deformed gear 64 gets over the starting point of the cutout 65 simultaneously and is in mesh with the smaller-diameter portion 66a until the tooth-lacked part 64b comes thereto.
- the time interval or distance from the start of running to that of jumping is determined by a time when the projection 76 on the deformed gear 64 detaches the end of the member 50 from the tip of the detention protrusion 54. Accordingly, as far as the deformed gear 64 begins to rotate from the reset condition shown in Fig. 9, the running toy jumps up after it runs a constant distance corresponding to the rotational speed of the rear wheel 30. Meanwhile, if the deformed gear 64 has already been rotated from the reset position by energizing the flywheel 58 without pushing the push button 72, the toy jumps up earlier the time corresponding to that.
Landscapes
- Toys (AREA)
Claims (8)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983119870U JPS6027998U (ja) | 1983-08-02 | 1983-08-02 | 走行玩具 |
| JP119870/83U | 1983-08-02 | ||
| JP86765/84U | 1984-06-13 | ||
| JP8676584U JPS614699U (ja) | 1984-06-13 | 1984-06-13 | 走行玩具 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0133054A2 EP0133054A2 (fr) | 1985-02-13 |
| EP0133054A3 EP0133054A3 (en) | 1985-04-03 |
| EP0133054B1 true EP0133054B1 (fr) | 1989-01-11 |
Family
ID=26427846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19840305220 Expired EP0133054B1 (fr) | 1983-08-02 | 1984-08-01 | Jouet roulant |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP0133054B1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0615665Y2 (ja) * | 1987-11-19 | 1994-04-27 | 株式会社フレックス | 空中回転走行玩具 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3398480A (en) * | 1964-09-10 | 1968-08-27 | Shigeichi Hoshikuma | Automatic apparatus for controlling electrically driven toys |
| US3744182A (en) * | 1969-12-08 | 1973-07-10 | Marvin Glass & Associates | Self-propelled toy |
| JPS51148533A (en) * | 1975-06-13 | 1976-12-20 | Tomy Kogyo Co Inc | Running toy |
| JPS524345A (en) * | 1975-06-25 | 1977-01-13 | Tomy Kogyo Co Inc | Running toy |
| GB2066092B (en) * | 1979-12-28 | 1983-06-08 | Shinsei Industries Co | Fly-wheel driven toy motorcycle |
-
1984
- 1984-08-01 EP EP19840305220 patent/EP0133054B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0133054A2 (fr) | 1985-02-13 |
| EP0133054A3 (en) | 1985-04-03 |
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| 17P | Request for examination filed |
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| 17Q | First examination report despatched |
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| GBPC | Gb: european patent ceased through non-payment of renewal fee |