CA2504392A1 - Wheel structure - Google Patents
Wheel structure Download PDFInfo
- Publication number
- CA2504392A1 CA2504392A1 CA 2504392 CA2504392A CA2504392A1 CA 2504392 A1 CA2504392 A1 CA 2504392A1 CA 2504392 CA2504392 CA 2504392 CA 2504392 A CA2504392 A CA 2504392A CA 2504392 A1 CA2504392 A1 CA 2504392A1
- Authority
- CA
- Canada
- Prior art keywords
- wheel
- sections
- wheel body
- auxiliary
- main wheel
- 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.)
- Abandoned
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0028—Construction of wheels; methods of assembling on axle
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/22—Wheels for roller skates
- A63C17/24—Wheels for roller skates with ball-shaped or spherical running surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
- B60B19/12—Roller-type wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B5/00—Wheels, spokes, disc bodies, rims, hubs, wholly or predominantly made of non-metallic material
- B60B5/02—Wheels, spokes, disc bodies, rims, hubs, wholly or predominantly made of non-metallic material made of synthetic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
- B60B2200/40—Articles of daily use
- B60B2200/43—Carts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
- B60B2200/40—Articles of daily use
- B60B2200/45—Suitcases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
- B60B2200/40—Articles of daily use
- B60B2200/47—Physical activity equipment, e.g. leisure or sports articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/20—Shaping
- B60B2310/204—Shaping by moulding, e.g. injection moulding, i.e. casting of plastics material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/10—Reduction of
- B60B2900/113—Production or maintenance time
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/10—Reduction of
- B60B2900/133—Noise
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/13—Bicycles; Tricycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/80—Other vehicles not covered by groups B60Y2200/10 - B60Y2200/60
- B60Y2200/81—Toys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Tires In General (AREA)
Abstract
A wheel structure includes a main wheel body, a pair of extension sections extending from respective sides of the main wheel body, and a pair of auxiliary sections coaxially extending from the extension sections, respectively. The main wheel body of the wheel has a larger outer diameter than the outer diameters of the auxiliary sections. Both the main wheel body and the auxiliary sections are provided with outer tires made in a different material. The wheel increases contact surfaces with the ground when making fume, so as to prevent overturning.
Description
TITLE: WHEEL STRUCTURE
BACKGROUND OF TtIE INVENTION
Field of the Invention This invention relates to a wheel structure applied to playing or s spouting vehicles such as scooters, tricycles, bicycles, skateboards, roller skates, training cycles, hand-pulling suitcases, hand carts, shopping carts, toy carts or balancing wheels, and more particularly to a wheel having two auxiliary sections at respective sides of a main wheel body to increase contact surfaces of the wheel with the ground, 1o Description of the Prior Art Most scooters, tricycles or bicycles for children are mounted with wheels (B) to a cart {A), as shown in Figure 8, to facilitate movement of the cart (A). When the cart (A) makes a turn, it is difEcult to control turning movement because the wheels (B) are small in size. Sometimes 15 the cart (A) may even turnover if the turn is made too wide.
In order to correct the shortcoming, an egg-shapod wheel (C) was derived, as shown ire Figure 9, to provide the stability when making fume.
The egg-shapad wheel (C) has its center surface (C 1 ) in touch with the ground constantly. When the cart (A) is turning, due to the centrifugal z0 force, the cart (A) leans towards one side, and so does the egg-shaped wheel (C). The egg-shaped wheel (C) will lean with its arc surface (C2) to get in touch with the ground, as shown in Figure 10, which pravides a stable position to the cart (A). However, if the turning angle is too big, the cart (A) still may encounter the possibility of overturning.
l In order to overcome the above-mentioned shortcoming, a wheel (D) mounted with auxiliary wheels (D1) is derived later, as shown in Figure 11, to support the wheel (D} of the cart in fuming. However, the auxiliary wheels (D 1 ) increase the cost of manufacture and assembly, and it easily malfunctions.
SUMMARY OF THE INVENTION
It is the primary objective of the present invention to provide a wheel structure, which provides with more contact surfaces for a cart to get in touch with the ground and more stable to riders.
io It is another objective of the present invention to pmvide a wheel structure, which uses less parts to save time in assembly and has less noise, It is a fiercer objective of the present invention to provide a wheel structure, which comprises a main wheel body and auxiliary sections formed integrally by blowing molding or injection molding. The wheel is providtd with an outer tire formed in an injection or casting method or mounted to the wheel, thus it is cost effectiveness , BRIEF DESCRIPTION OF TIE DRAWINGS
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a front view of the first embodiment of the present invention in ' a riding status;
FIG. 3 is a front view of the first embodiment of the present invention in a turning status;
FIG. 4 is a front view of a second embodiment of the present invention;
BACKGROUND OF TtIE INVENTION
Field of the Invention This invention relates to a wheel structure applied to playing or s spouting vehicles such as scooters, tricycles, bicycles, skateboards, roller skates, training cycles, hand-pulling suitcases, hand carts, shopping carts, toy carts or balancing wheels, and more particularly to a wheel having two auxiliary sections at respective sides of a main wheel body to increase contact surfaces of the wheel with the ground, 1o Description of the Prior Art Most scooters, tricycles or bicycles for children are mounted with wheels (B) to a cart {A), as shown in Figure 8, to facilitate movement of the cart (A). When the cart (A) makes a turn, it is difEcult to control turning movement because the wheels (B) are small in size. Sometimes 15 the cart (A) may even turnover if the turn is made too wide.
In order to correct the shortcoming, an egg-shapod wheel (C) was derived, as shown ire Figure 9, to provide the stability when making fume.
The egg-shapad wheel (C) has its center surface (C 1 ) in touch with the ground constantly. When the cart (A) is turning, due to the centrifugal z0 force, the cart (A) leans towards one side, and so does the egg-shaped wheel (C). The egg-shaped wheel (C) will lean with its arc surface (C2) to get in touch with the ground, as shown in Figure 10, which pravides a stable position to the cart (A). However, if the turning angle is too big, the cart (A) still may encounter the possibility of overturning.
l In order to overcome the above-mentioned shortcoming, a wheel (D) mounted with auxiliary wheels (D1) is derived later, as shown in Figure 11, to support the wheel (D} of the cart in fuming. However, the auxiliary wheels (D 1 ) increase the cost of manufacture and assembly, and it easily malfunctions.
SUMMARY OF THE INVENTION
It is the primary objective of the present invention to provide a wheel structure, which provides with more contact surfaces for a cart to get in touch with the ground and more stable to riders.
io It is another objective of the present invention to pmvide a wheel structure, which uses less parts to save time in assembly and has less noise, It is a fiercer objective of the present invention to provide a wheel structure, which comprises a main wheel body and auxiliary sections formed integrally by blowing molding or injection molding. The wheel is providtd with an outer tire formed in an injection or casting method or mounted to the wheel, thus it is cost effectiveness , BRIEF DESCRIPTION OF TIE DRAWINGS
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a front view of the first embodiment of the present invention in ' a riding status;
FIG. 3 is a front view of the first embodiment of the present invention in a turning status;
FIG. 4 is a front view of a second embodiment of the present invention;
FIG. 5 is a front view of a third ernbOdirrxnt of the present invention;
FIG. 6 is a front view of a fourth embodiment of the present invention;
FIG. 7 is a cross-sectional view of a fifth embodiment of the present invention;
FIG. 8 is a side view of a conventional wheel;
FIG. 9 is a front view of another conventional whetl;
FIG. 10 is a front view of FIG. 9 in a fuming status; and FIG.11 is view of a conventional wheel with auxiliary wheels.
FIG. 6 is a front view of a fourth embodiment of the present invention;
FIG. 7 is a cross-sectional view of a fifth embodiment of the present invention;
FIG. 8 is a side view of a conventional wheel;
FIG. 9 is a front view of another conventional whetl;
FIG. 10 is a front view of FIG. 9 in a fuming status; and FIG.11 is view of a conventional wheel with auxiliary wheels.
DETAILBT~ DESCRIPTION OF THE PREFERRED E1V~01~IMENTS
As shown in Figure 1, a first embodiment of the present invention comprises a wheel ( 1 ) having a main wheel body ( 11 ) at the center portion for direct contact with the ground. The main wheel body ( 11 ) has its two sides extending to forim a pair of extension sections (12) to get in touch with the ground when malting turns. Each extension section 12) extends outwardly to form an auxiliary section ( 13). The main wheel body ( 11 ) of the wheel { 1 ) has a larger outer diameter than the outtr diameters of the auxiliary sections ( 13) to increase the contact ZO surfaces with the ground when making turns. The auxiliary sections (13) are integral to the main wheel body ( 11 ).
To operate the present invention, as shown in Figures 2 and 3, the wheel (1) is pivotally connected to a cart (A). When the cart {A) is rolling in a straight direction, the main wheel body { 11 ) of the wheel ( 1 ) ~s remains contact with the ground. When the cart {A) makes a turn, due to the centrifugal force, the wheel (1) will incline with the cart (A), which makes either extension section (12) touch the ground at this moment.
The auxiliary section (13) is also in touch with the gmund to increase contact surface between the wheel ( 1 ) and the ground to provide a steady 2o riding status when the fuming angle is too big. .
A second embodiment of the present invention coniprl~s a wheel ( 1 A) as shown in Figure 4. The wheel ( t A) has a main wheel body ( 11 A) at the center portion, a pair of extension sections (12A) extending from respective sides of the main wheel body (1 1A), and a pair of auxiliary 25 sections (13A) coaxially cxttnding from the extension sections (12A), re$pecdvely. The main whoel body {1 1A) of the wheel (1A) has a larger outer diameter than the outer diameters of the auxiliary sections (13A).
As shown in Figure 1, a first embodiment of the present invention comprises a wheel ( 1 ) having a main wheel body ( 11 ) at the center portion for direct contact with the ground. The main wheel body ( 11 ) has its two sides extending to forim a pair of extension sections (12) to get in touch with the ground when malting turns. Each extension section 12) extends outwardly to form an auxiliary section ( 13). The main wheel body ( 11 ) of the wheel { 1 ) has a larger outer diameter than the outtr diameters of the auxiliary sections ( 13) to increase the contact ZO surfaces with the ground when making turns. The auxiliary sections (13) are integral to the main wheel body ( 11 ).
To operate the present invention, as shown in Figures 2 and 3, the wheel (1) is pivotally connected to a cart (A). When the cart {A) is rolling in a straight direction, the main wheel body { 11 ) of the wheel ( 1 ) ~s remains contact with the ground. When the cart {A) makes a turn, due to the centrifugal force, the wheel (1) will incline with the cart (A), which makes either extension section (12) touch the ground at this moment.
The auxiliary section (13) is also in touch with the gmund to increase contact surface between the wheel ( 1 ) and the ground to provide a steady 2o riding status when the fuming angle is too big. .
A second embodiment of the present invention coniprl~s a wheel ( 1 A) as shown in Figure 4. The wheel ( t A) has a main wheel body ( 11 A) at the center portion, a pair of extension sections (12A) extending from respective sides of the main wheel body (1 1A), and a pair of auxiliary 25 sections (13A) coaxially cxttnding from the extension sections (12A), re$pecdvely. The main whoel body {1 1A) of the wheel (1A) has a larger outer diameter than the outer diameters of the auxiliary sections (13A).
The extension suctions (12A} are spacod from the auxiliary suctions (13A).
A third embodiment of the pncsent invention comprises a wheel ( 1 B), as shown in FIG. 5. The wheel ( 1 B} corr~prises a main wheel body ( 11 B) at the center portion to be in touch with the ground when the cart is rolling. The rnain wheel body ( I 1 B) has its two sides extending outwardly to farm a pair of extension sections {12B) and a pair of auxiliary sections (13B) coaxially extending from the extension sections (12B), respectively. The main wheel body (11B) of the wheel (1B) has a to larger outer diameter than the outer diameters of the auxiliary sections (13B}. The extension sections (128) are spaced from the auxiliary sections ( 13B).
A fourth embodiment of the present invention comprises a wheel ( 1 C), as shown in Figure. 6. The wheel ( 1 C) comprises a main wheel body 1 s ( 11 C) at the center portion to get in touch with the ground when the cart is rolling. The main wheel body (11C) has its two sides extending outwardly to farm a pair of extension sections (12C) and a pair of auxiliary sections (13C) eoaxially extending from the extension sections ( 12C), respectively. The main wheel body ( 11 C) of the wheel ( 1 C) has a 2o larger outer diameter than the outer diameters of the auxiliary sections (13C). The extension sections (12C) are spaced from the auxiliary sections (13C}.
A fifth embodiment of the present invention comprises a wheel (1D), as shown in Figure 7. The wheel (1D) comprises a main wheel body 2s ( 11 D) at the center pardon to get in touch with the ground when the cart is rolling. The main wheel body (11D) has its two sides extending outwardly to form a pair of extension sections ( 12D) and a pair of s auxiliary sections (13D) coaxialty extending fmm the extension sections ( 12D), respectively. The main whetl body ( 11 D} of the wheel ( I D) has a larger outer diameter than the outer diameters of the auxiliary sections (13D). 1fie extension sections (12D) are spaced from the auxiliary s sections (13D).
Furthermore, the main wheel body (11D) is provided with an outer tire (110D) made in a different material. Tide auxiliary sections (13D) are also provided with outer tires (I30D) made in a different material. Hoth the outer ties {110D) and (130D) may be formed in an injection or 1o casting method or mounted directly to the wheel. Hoth the outer tires ( 11 OD} and ( I 30D) have larger outer diameters than the outer diameters of the main. wheel 'body ( 11 D) and the auxiliary sections { 13D).
A third embodiment of the pncsent invention comprises a wheel ( 1 B), as shown in FIG. 5. The wheel ( 1 B} corr~prises a main wheel body ( 11 B) at the center portion to be in touch with the ground when the cart is rolling. The rnain wheel body ( I 1 B) has its two sides extending outwardly to farm a pair of extension sections {12B) and a pair of auxiliary sections (13B) coaxially extending from the extension sections (12B), respectively. The main wheel body (11B) of the wheel (1B) has a to larger outer diameter than the outer diameters of the auxiliary sections (13B}. The extension sections (128) are spaced from the auxiliary sections ( 13B).
A fourth embodiment of the present invention comprises a wheel ( 1 C), as shown in Figure. 6. The wheel ( 1 C) comprises a main wheel body 1 s ( 11 C) at the center portion to get in touch with the ground when the cart is rolling. The main wheel body (11C) has its two sides extending outwardly to farm a pair of extension sections (12C) and a pair of auxiliary sections (13C) eoaxially extending from the extension sections ( 12C), respectively. The main wheel body ( 11 C) of the wheel ( 1 C) has a 2o larger outer diameter than the outer diameters of the auxiliary sections (13C). The extension sections (12C) are spaced from the auxiliary sections (13C}.
A fifth embodiment of the present invention comprises a wheel (1D), as shown in Figure 7. The wheel (1D) comprises a main wheel body 2s ( 11 D) at the center pardon to get in touch with the ground when the cart is rolling. The main wheel body (11D) has its two sides extending outwardly to form a pair of extension sections ( 12D) and a pair of s auxiliary sections (13D) coaxialty extending fmm the extension sections ( 12D), respectively. The main whetl body ( 11 D} of the wheel ( I D) has a larger outer diameter than the outer diameters of the auxiliary sections (13D). 1fie extension sections (12D) are spaced from the auxiliary s sections (13D).
Furthermore, the main wheel body (11D) is provided with an outer tire (110D) made in a different material. Tide auxiliary sections (13D) are also provided with outer tires (I30D) made in a different material. Hoth the outer ties {110D) and (130D) may be formed in an injection or 1o casting method or mounted directly to the wheel. Hoth the outer tires ( 11 OD} and ( I 30D) have larger outer diameters than the outer diameters of the main. wheel 'body ( 11 D) and the auxiliary sections { 13D).
Claims (7)
1. A wheel structure comprising a main wheel body and auxiliary sections wherein said auxiliary sections are integral with said main wheel body, said main wheel body having an outer diameter larger than outer diameters of said auxiliary sections.
2. The wheel structure, as recited in claim 1, wherein the wheel is formed with said main wheel body at a center portion, a pair of extension sections extending from respective sides of said main wheel body, and said auxiliary sections coaxially extending from said extension sections, respectively.
3. The wheel structure, as recited in claim 1, wherein said main wheel body and said auxiliary sections are provided with outer tires made in a different material.
4. The wheel structure, as recited in claim 3, wherein said outer tires are formed in an injection method.
5. The wheel structure, as recited in claim 3, wherein said outer tires are formed in a casting method.
6. The wheel structure, as recited in claim 3, wherein said outer tires are mounted directly to the wheel.
7
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2504392 CA2504392A1 (en) | 2005-04-19 | 2005-04-19 | Wheel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2504392 CA2504392A1 (en) | 2005-04-19 | 2005-04-19 | Wheel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2504392A1 true CA2504392A1 (en) | 2006-10-19 |
Family
ID=37114142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2504392 Abandoned CA2504392A1 (en) | 2005-04-19 | 2005-04-19 | Wheel structure |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2504392A1 (en) |
-
2005
- 2005-04-19 CA CA 2504392 patent/CA2504392A1/en not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |