JP3001040U - Wheels used for casters - Google Patents

Abstract

(57) [Summary] [Purpose] The outer surface of the wooden wheel body will not be scratched or dirty, and the beauty peculiar to the wood grain and wood quality will be maintained forever, and it will be in good harmony with the wooden furniture body. It is to provide the wheels used for the casters. [Structure] A bearing frame 4 is provided on the lower surface of a mounting plate 1 so as to be rotatable by a vertical axis 3 with rolling balls 6 interposed therebetween.
The wheel shaft 7 provided at a position slightly forward of the axis of the vertical axis 3,
The O-ring 12 made of rubber is inserted into the bearing hole 9 of the disk-shaped wheel body 8 made of wood, and the rubber O-ring 12 is fitted into the annular groove 11 provided on the outer peripheral surface of the disk-shaped wheel body 8, and the outer periphery of the disk-shaped wheel body 8 is fitted. Larger than the outer circumference. When the caster according to the present invention is attached to the bottom surface of furniture and used, only the lower end of the rubber O-ring 12 fitted in the annular groove 11 provided on the outer peripheral surface of the wooden disk-shaped wheel body 8 is placed on the floor surface. The outer peripheral surface of the wooden disk-shaped wheel body 8 does not contact the floor surface.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to wheels used for casters.

[0002]

[Prior art]

 Conventionally, wheels, which are used for casters, often use materials such as metal, rubber, and plastic, and wood is no longer used.

[0003]

[Problems to be solved by the device]

 If wood is used as the material for the wheels of the casters, it will be in good harmony with the body of the wooden furniture, and it will produce furniture with casters that has a high dignity with a feeling of calming caused by the texture of wood. There was a drawback that after a short period of use, the outer surface of the wheel was scratched and soiled due to contact with the floor, which warped the furniture and spoiled the appearance of the entire furniture. The present invention does not scratch or stain the outer peripheral surface of the wooden wheel body even after long-term use, keeps the beauty peculiar to the wood grain and wood quality forever, and is good with the wooden house body. It is an object to provide wheels to be used for casters that can be harmonized.

[0004]

[Means for Solving the Problems]

 In order to solve the above problems, a wheel used in a caster according to the present invention has a rubber O-ring 12 fitted in an annular groove 11 provided on an outer peripheral surface of a wooden disk-shaped wheel body 8. It is characterized in that it has a wheel 13 whose outer circumference is larger than the outer circumference of the wooden disk-shaped wheel body 8. The "fitting the rubber O-ring 12 into the annular groove 11" means not only simply fitting the rubber O-ring 12 into the annular groove 11 but also contact between the annular groove 11 and the rubber O-ring 12. This also includes the case where the rubber O-ring 12 is fitted in the annular groove 11 with the adhesive applied to the surface, and the annular groove 11 and the rubber O-ring 12 are each limited to a single case. Instead, a plurality of them may be provided as shown in the embodiments described later. Further, the above-mentioned "the outer circumference of the rubber O-ring 12 is made larger than the outer circumference of the wooden disk-shaped wheel body 8" means that it is fitted on the annular ring 11 provided on the outer peripheral surface of the wooden disk-shaped wheel body 8. The depth of the annular groove 11 and the thickness of the rubber O-ring 12 are set such that the outer circumference of the rubber O-ring 12 forms the outermost circumference of the wheel 13. The shape of the annular groove 11 is not limited to a fixed shape, but in order to prevent deformation of the cross section of the rubber O-ring 12 fitted to the annular groove 11 and to improve stability, an embodiment described later will be described. It is desirable that the rubber O-ring 12 has an arc shape corresponding to the surface of the O-ring 12, as shown in FIG.

Since the caster according to the present invention is characterized by the wheels 13 as described above, the constituent elements other than the wheels 13 are not limited in any way. A caster suitable for mounting on the bottom of furniture. That is, a bearing frame 4 is rotatably provided on the lower surface of the mounting plate 1 by means of a vertical axis 3 with rolling balls 6 interposed, and a wheel shaft provided at a position slightly forward of the axis of the vertical axis 3 on the bearing frame 4. 7 is inserted into the bearing hole 9 of the disk-shaped wheel body 8 made of wood, and a rubber O-ring 12 is fitted into an annular groove 11 provided on the outer peripheral surface of the disk-shaped wheel body 8. The outer circumference of the ring 12 is larger than the outer circumference of the disk-shaped wheel body 8 made of wood. In each of the above cases, a wooden roller-shaped wheel body 15 may be used instead of the wooden disk-shaped wheel body 8.

[0006]

[Action]

 When the components other than the wheels are as described above, the mounting plate 1 is screwed to the bottom surface 16 of the furniture as shown in FIG. 2 and FIG. 3 to fix the predetermined position on the bottom surface 16 of the furniture. If any number of wheels to be used in the casters according to the present invention are attached and used, the rubber O-ring fitted in the annular groove 11 provided on the outer peripheral surface of the wooden disk-shaped wheel body 8 or the roller-shaped wheel body 15. Only the lower surface of 12 contacts the floor surface 17, and the outer peripheral surface of the wooden disk-shaped wheel body 8 or roller-shaped wheel body 15 does not contact the floor surface 17, so that the furniture can be moved lightly and quietly. It also has the effect of being able to

[0007]

【Example】

 An embodiment of the present invention will be described with reference to the drawings. In FIG. 1 to FIG. 3, reference numeral 1 is a substantially rectangular mounting plate having through holes 2 for fixing screws formed at four corners, and a bearing frame 4 is provided on the lower surface of the mounting plate so as to be rotatable by a vertical axis 3. A ring-shaped guide groove 5 is provided on the facing surface between the mounting plate 1 and the bearing frame 4, and a large number of rolling balls 6 are housed in the guide groove 5, so that the bearing frame 4 can be swung smoothly. . This bearing frame 4 is provided with downward bearing bearing arms 4b on both the left and right sides of the upper end turning part 4a, and the bearing frame 4b is designed to automatically change the rolling direction of the wheel, which will be described later. A wheel shaft 7 provided at the lower end of a bearing arm 4b provided at a position slightly forward of the axis of the vertical axis 3 is inserted into a bearing hole 9 of a water-made disk-shaped wheel body 8. In addition, it is desirable to fit a metal reinforcing tube 10 into the center hole 9.

Reference numeral 11 denotes an annular groove having an arcuate cross-section provided in a center portion in the lateral width direction on the outer peripheral surface of the disk-shaped wheel body 8. A rubber O-ring 12 is fitted in the annular groove 11 and The outer circumference of the O-ring 12 is the outermost circumference of the wheel 13. That is, by setting the depth of the annular groove 11 to be about one half of the thickness of the rubber O-ring 12, the outer circumference of the rubber O-ring 12 fitted in the annular groove 11 is made into a wooden disc-shaped wheel body 8. It is larger than the outer circumference. Incidentally, if an adhesive is applied to the contact surface between the annular groove 11 and the rubber O-ring 12, the rubber O-ring 12 can be fitted more firmly.

FIG. 4 is a front view showing an embodiment of a wheel used in the caster according to the present invention, and FIG. 4a shows a case where the annular groove 11 and the rubber O-ring 12 are respectively single. Reference numeral 13 'shown in FIG. 4b is a wheel explained in the embodiment, and shows a wheel in the case where two annular grooves 11 and two rubber O-rings 12 are provided at a distance from each other, and shown in FIG. Shows a wheel when a wooden roller-shaped wheel body 15 is used in place of the wooden disk-shaped wheel body 8 and two annular grooves 11 and two rubber O-rings 12 are provided at intervals from each other. is there.

[0010]

[Effect of device]

 The wheel used in the caster according to the present invention is such that the rubber O-ring is fitted in the annular groove provided on the outer peripheral surface of the wooden disc-shaped wheel body or the roller-shaped wheel body as described above. It is characterized by having a wheel whose outer circumference is larger than the outer circumference of a wooden disk-shaped wheel body or roller-shaped wheel body. Therefore, if this ring is attached to the bottom of furniture, it can be used as a wooden disk-shaped wheel. Only the lower surface of the rubber O-ring fitted on the outer peripheral surface of the wheel body or the roller-shaped wheel body is fitted into the annular full contact with the floor surface, and the outer peripheral surface of the wooden disk-shaped wheel body or roller-shaped wheel body is the floor surface. Since there is no contact with the floor surface when the wheels roll on the floor surface, there is no risk of damaging the floor surface, the outer peripheral surface of the wooden wheel body is not scratched or dirty, and the wood grain or wood quality Keeping the unique beauty for a long time, Also since it is intended to improve harmony with wooden furniture body, and what can be done by providing a magnificent high furniture casters with a with a fall that exude from the wood feeling. The wheel used in the caster according to the present invention has a low cost for parts, and is extremely easy to manufacture, and therefore has an effect of contributing to cost reduction.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of wheels used in a caster according to the present invention.

FIG. 2 is a side view of the above.

3 is a cross-sectional view taken along the line AA shown in FIG.

FIG. 4 is a front view showing an embodiment of wheels used in the caster according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Mounting plate 3 Vertical axis 4 Bearing frame 6 Rolling ball 7 Wheel shaft 8 Disc-shaped wheel body 9 Bearing hole 11 Annular groove 12 Rubber O ring 13, 13 ', 14 Wheel 15 Roller-shaped wheel body

Claims (3)

[Scope of utility model registration request] 1. A rubber O-ring is fitted in an annular groove provided on the outer peripheral surface of a wooden disc-shaped wheel body, and the outer periphery of the rubber O-ring is made larger than the outer periphery of the wooden disc-shaped wheel body. Wheels used for casters with wheels. 2. A bearing frame is rotatably provided on a lower surface of a mounting plate by a vertical axis with rolling balls interposed therebetween, and a wheel shaft provided at a position slightly forward of the axis of the vertical axis on the bearing frame is made of wood. Through the bearing hole of the disk-shaped wheel body, and a rubber O-ring is fitted in the annular groove provided on the outer peripheral surface of the disk-shaped wheel body. Wheels used for casters that are larger than the outer circumference. 3. A wheel used for a caster according to claim 1, wherein a wooden roller-shaped wheel body is used instead of the wooden disk-shaped wheel body.