WO2013161382A1 - Caster - Google Patents
Caster Download PDFInfo
- Publication number
- WO2013161382A1 WO2013161382A1 PCT/JP2013/055461 JP2013055461W WO2013161382A1 WO 2013161382 A1 WO2013161382 A1 WO 2013161382A1 JP 2013055461 W JP2013055461 W JP 2013055461W WO 2013161382 A1 WO2013161382 A1 WO 2013161382A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wheel
- caster
- peripheral surface
- contact
- support roller
- Prior art date
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Classifications
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- 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
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- 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
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- 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
- B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
- B60B33/06—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted retractably
- B60B33/063—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted retractably by linear movement parallel to swivel axis
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- 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
- B60B2200/20—Furniture or medical appliances
- B60B2200/22—Chairs
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- 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
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- 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
- B60B33/0036—Castors in general; Anti-clogging castors characterised by type of wheels
- B60B33/0039—Single wheels
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- 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
- B60B33/0047—Castors in general; Anti-clogging castors characterised by details of the rolling axle
- B60B33/0049—Castors in general; Anti-clogging castors characterised by details of the rolling axle the rolling axle being horizontal
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- 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
Definitions
- the present invention relates to a caster that suppresses vibration, noise, and the like and has excellent silence.
- the caster is attached to the bottom surface of a bag such as a suitcase, a carriage, a chair, a table, etc., to facilitate the movement thereof.
- a caster wheel is often attached to the tip of a bifurcated fork portion via a rotating shaft. A certain amount of clearance is provided between the rotation shaft and the wheel shaft hole so that the wheel can rotate. Therefore, the wheel easily swings up and down during rotation, which may cause vibration and noise. .
- Patent Document 1 discloses a caster in which a bearing that receives a rotating shaft is formed with a buffer member such as rubber or elastomer to suppress vibration and noise.
- the wheels of the casters are made of pneumatic tires like automobiles, vibration and noise can be suppressed, and the noise reduction is improved, but the cost is high. Also, you must consider how to deal with air leaks.
- the inventor of the present invention has improved a conventional caster, and has come up with a caster excellent in quietness without requiring a significant design change.
- an object of the present invention is to provide a caster that suppresses vibration and noise during movement and is excellent in quietness.
- the caster of the present invention when the wheel unit is in contact with the grounding surface, contacts the outer peripheral surface of the wheel unit to support the wheel unit, at least two support roller units disposed above the wheel unit, and the wheel unit And a shaft portion inserted through the center hole, which is in a non-contact state with the center hole of the wheel portion when grounded on the ground surface.
- the support roller portion is disposed obliquely above and to the left and right of the wheel portion in a side view of the wheel portion.
- the caster When the wheel is grounded, the caster is supported and rotated by at least two support rollers provided above the wheel, and the center hole of the wheel is in a non-contact state away from the shaft. Since the wheel portion can be rotated while being supported by each support roller, the wheel portion is less likely to swing up and down, and vibration and noise can be suppressed and quietness can be improved.
- the outer peripheral surface of the wheel part and the support roller part can be formed of an elastic member, which can further improve the silence.
- FIG. 2 is a side view of the caster of a first embodiment of the present invention. It is a front view of the caster of FIG.
- FIG. 2 is a cross-sectional view of the caster of FIG. 1 along AA.
- FIG. 2 is a cross-sectional view of the caster of FIG. 1 taken along the line BB.
- FIG. 2 is a CC cross-sectional view of the caster of FIG. It is the figure which showed the state which lifted the caster of FIG. 1 upwards.
- It is a side view of the caster of 2nd embodiment of this invention. It is DD sectional drawing of the caster of FIG. It is the elements on larger scale which showed the modification of the caster of FIG.
- the caster 1 As shown in FIGS. 1 to 5, the caster 1 according to the first embodiment of the present invention includes a wheel portion 2 and a support roller portion 3, and the bifurcated fork portion 4 includes a wheel portion 2 and a support roller portion. 3 is attached.
- the caster of the present invention is not limited to this, and can be attached to a moving body such as a carriage, a chair, and a table.
- the size, material, and the like can be appropriately changed according to the size and weight of the moving body.
- the wheel part 2 is formed so as to be grounded on a grounding surface Y such as the ground or the floor and to rotate when the cage is moved.
- the wheel portion 2 can be formed in a disk shape having a circular center hole 21 at the center, and can be formed from a metal such as iron or aluminum, a synthetic resin such as polystyrene or polyester, or the like.
- the wheel portion 2 can be formed to have a diameter of 30 mm to 80 mm, preferably a diameter of 40 mm to 70 mm, for example.
- the wheel portion 2 can be attached to the tip portion of the fork portion 4 via the shaft portion 22.
- the shaft portion 22 is formed in a cylindrical shape that can be inserted into the center hole 21 and formed so that the wheel portion 2 can be supported when the heel is lifted.
- the shaft portion 22 can be formed from a metal such as iron or aluminum, or a synthetic resin such as polystyrene or polyester.
- a rivet or the like can also be used as the shaft portion 22 and is preferably caulked and fixed so as not to swing with respect to the fork portion 4.
- the shaft portion 22 is formed to have a smaller diameter than the center hole 21 so that an appropriate gap is formed with respect to the center hole 21.
- the outer diameter of the shaft portion 22 is 30% to 70% with respect to the inner diameter of the center hole 21. %, Preferably 40% to 60%. More specifically, for example, the outer diameter of the shaft portion 22 is 3.0 mm to 6.0 mm, preferably 4.0 mm to 5.0 mm, and the inner diameter of the center hole 21 is 6.0 mm to 10.0 mm, preferably It can be set to 7.0 mm to 9.0 mm.
- the outer peripheral surface 23 of the wheel part 2 can be formed from an elastic member having elasticity, and as the elastic member, for example, rubber such as styrene, olefin, urethane, acrylic, polyester, polyamide, or the like is used. be able to.
- the outer peripheral surface 23 is formed of an elastic member, it can be formed by forming the elastic member into a ring shape and fitting it on the outer periphery of the wheel portion 2. As shown in FIG. 4, urethane 24 may be disposed inside the outer peripheral surface 23. Thereby, vibration can be suppressed.
- the support roller 3 contacts the outer peripheral surface 23 of the wheel unit 2 to support the wheel unit 2 from above and rotates together with the wheel unit 2.
- the center hole 22 and the shaft portion 21 can be brought into a non-contact state in which they do not contact each other.
- the support roller 3 can be formed in a cylindrical shape having a circular shaft hole 31, and can be formed from a metal such as aluminum, a synthetic resin such as polystyrene or polyester, or the like.
- the support roller 3 is formed to have a diameter of, for example, 20% to 40%, preferably 25% to 35% with respect to the diameter of the wheel portion 2, and more specifically, for example, a diameter of 10 mm to 30 mm, Preferably, it can be formed to have a diameter of 12 mm to 20 mm.
- the support roller 3 can be rotatably attached to the fork portion 4 via a cylindrical rotation shaft 32.
- the support roller 3 can be disposed above the wheel portion 2 and is preferably disposed obliquely above and to the left and right of the wheel portion 2 in a side view of the wheel portion 2. More specifically, when the wheel portion 2 is in contact with the ground, as shown in FIG. 3, the elevation angle ⁇ with respect to the horizontal line passing through the center of the wheel portion 2 is 30 ° to 70 °, particularly 40 ° to 60 °. It is preferable to arrange them. Further, it is preferable that the two support rollers 3 are provided at positions that are symmetrical. In this embodiment, two support rollers are provided, but the present invention is not limited to this, and three, four, or more support rollers may be provided.
- the shaft hole 31 is preferably formed so that the inner diameter is substantially the same as the outer diameter of the rotating shaft 32 so that the rotating shaft 32 can be inserted through as little as possible.
- the rotary shaft 32 is arranged in parallel with the shaft portion 22 and can be formed from a metal such as iron or aluminum, or a synthetic resin such as polystyrene or polyester. A rivet or the like can also be used as the rotating shaft 32, and it is preferable that the rotating shaft 32 is fixed by caulking so as not to swing with respect to the fork portion 4.
- the outer peripheral surface 33 of the support roller 3 is preferably formed of an elastic member having elasticity, and as the elastic member, for example, rubber such as styrene, olefin, urethane, acrylic, polyester, and polyamide is used. be able to.
- the outer peripheral surface 33 is formed of an elastic member, it can be formed by forming the elastic member into a cylindrical shape and fitting it to the outer periphery of the support roller 3.
- the fork part 4 can have a shape having left and right hanging pieces 42 suspended from the horizontal upper surface 41, and can be attached so that the wheel part 2 and the supporting roller part 3 are sandwiched between the left and right hanging pieces 42. it can.
- the fork portion 4 can fix the upper surface 41 to the bottom surface of the heel, and may be fixed directly to the bottom surface of the heel or may be fixed via a mounting seat or the like. Further, it is preferably fixed so as to be rotatable through a thrust bearing 43 or the like.
- the caster 1 When the caster 1 is placed on a ground surface Y such as the ground or floor and the wheel portion 2 is grounded, the caster 1 has an outer peripheral surface 23 of the wheel portion 2 and an outer peripheral surface 33 of the support roller 3 as shown in FIG. And the wheel portion 2 is supported by the support roller 3. At this time, the shaft portion 21 of the wheel portion 2 is positioned substantially at the center of the center hole 22, and the shaft portion 21 and the center hole 22 are separated from each other.
- the heel is moved in the direction of the arrow X shown in FIG. At this time, the wheel portion 2 rotates together with the support roller 3, and can move while maintaining the non-contact state between the shaft portion 21 and the center hole 22, and the wheel portion 2 is floated with respect to the shaft portion 21. You can move with.
- the caster 1 suppresses generation
- the caster 11 of the second embodiment of the present invention mainly has the shapes of the outer peripheral surface 23 of the wheel portion 2 and the outer peripheral surface 33 of the support roller 3 in the caster 1 of the first embodiment. It has changed.
- the caster 11 is provided with a ridge 5 over the entire circumference near the center in the width direction of the outer peripheral surface 23 of the wheel portion 2.
- the protrusion 5 is formed in a flat rectangular shape in cross section.
- a concave groove 6 is formed over the entire circumference in the vicinity of the center in the width direction.
- the concave groove 6 is formed to be slightly wider than the ridge 5, slightly deeper than the height of the ridge 5, and formed so that the ridge 5 enters.
- the support roller 3 is configured such that both side portions 61 are in contact with the vicinity of both shoulder portions 52 of the wheel portion 2 and rotate with the rotation of the wheel portion 2. Further, the bottom surface 62 of the concave groove 6 is not in contact with the peripheral surface 51 of the protrusion 5.
- the peripheral surface 51 of the ridge 5 is in contact with the ground and the wheel portion 2 rotates, so that dust may adhere to the peripheral surface 51 or the peripheral surface 51 may be scraped.
- the surface of the portion 52 can be kept smooth.
- the support roller 3 rotates with the wheel portion 2 with both side portions 61 in contact with both shoulder portions 52.
- the protrusion 5 enters the concave groove 6, and the wheel portion 2 and the support roller 3 rotate while the peripheral surface 51 and the bottom surface 62 are not in contact with each other. Therefore, even if dust or the like adheres to the peripheral surface 51 or the peripheral surface 51 is shaved, the support roller 3 rotates in contact with the smooth shoulders 52 and touches the peripheral surface 51. Since it rotates without any vibration, it is possible to prevent the occurrence of vibration. Of course, it has the same effect as the caster 1 of the first embodiment.
- FIG. 9 shows a modification of the caster 11 according to the second embodiment, and a ridge 6 a is formed over the entire circumference near the center in the width direction of the outer peripheral surface 33 of the support roller 3.
- the protrusion 6a is formed in a flat rectangular shape in cross section.
- a concave groove 5 a that fits the protrusion 6 a is formed over the entire circumference.
- both shoulder portions 52a of the wheel portion 2 are grounded so that the wheel portion 2 rotates.
- the concave groove 5a is formed to be slightly wider than the ridge 6a, slightly shallower than the height of the ridge 6a, and formed so that the ridge 6a enters.
- the bottom surface 51a of the concave groove 5a is in contact with the peripheral surface 61a of the ridge 6a. Even with such a configuration, the support roller 3 can rotate with the rotation of the wheel portion 2 with the peripheral surface 61a of the protrusion 6a contacting the bottom surface 51a of the groove 5a. Therefore, the support roller 3 does not touch both shoulder portions 52a of the wheel portion 2 to be grounded, and can prevent the occurrence of vibrations as described above.
- the configuration aspect of the above embodiment is not intended to limit the present invention, and can be changed as long as the technical purpose is common, and the present invention includes such a change.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The present invention provides a caster that has increased quietness and that suppresses noise and vibration while the caster is in motion. A caster (1) is characterized by being provided with the following: at least two support rollers (3) that support a wheel section (2) by coming into contact with a circumferential surface (23) of the wheel section (2) when the wheel section (2) is in contact with a ground surface (Y); and an axle section (22) that when the wheel section (2) is in contact with the ground surface (Y) is in a non-contact state with the center hole (21) and goes through the center hole (21) of the wheel section (2). It is desirable for the support rollers (3) to be disposed diagonally above the wheel section (2) to the right and left thereof, in the side view of the wheel section (2).
Description
本発明は、振動や騒音などを抑制し、静音性に優れたキャスターに関する。
The present invention relates to a caster that suppresses vibration, noise, and the like and has excellent silence.
キャスターは、スーツケースなどの鞄、台車、椅子、テーブルなどの底面に取り付け、これらの移動を容易にするものである。
キャスターの車輪は、二股状のフォーク部の先端部に回転軸を介して取り付けてあることが多い。この回転軸と車輪の軸孔との間には、車輪が回転できるようにある程度のクリアランスが設けてあり、そのため回転時に車輪は上下に揺れ動きやすく、振動や騒音などの発生原因になることがある。 The caster is attached to the bottom surface of a bag such as a suitcase, a carriage, a chair, a table, etc., to facilitate the movement thereof.
A caster wheel is often attached to the tip of a bifurcated fork portion via a rotating shaft. A certain amount of clearance is provided between the rotation shaft and the wheel shaft hole so that the wheel can rotate. Therefore, the wheel easily swings up and down during rotation, which may cause vibration and noise. .
キャスターの車輪は、二股状のフォーク部の先端部に回転軸を介して取り付けてあることが多い。この回転軸と車輪の軸孔との間には、車輪が回転できるようにある程度のクリアランスが設けてあり、そのため回転時に車輪は上下に揺れ動きやすく、振動や騒音などの発生原因になることがある。 The caster is attached to the bottom surface of a bag such as a suitcase, a carriage, a chair, a table, etc., to facilitate the movement thereof.
A caster wheel is often attached to the tip of a bifurcated fork portion via a rotating shaft. A certain amount of clearance is provided between the rotation shaft and the wheel shaft hole so that the wheel can rotate. Therefore, the wheel easily swings up and down during rotation, which may cause vibration and noise. .
そこで、従来では、コイルスプリングや板バネ、弾性部材などを用いて振動や騒音などを抑制するキャスターが開発されている。例えば、下記特許文献1には、回転軸を受ける軸受の周囲をゴム或いはエラストマーなどの緩衝部材で形成し、振動や騒音を抑制したキャスターが開示されている。
Therefore, conventionally, casters for suppressing vibration and noise using coil springs, leaf springs, elastic members, and the like have been developed. For example, Patent Document 1 below discloses a caster in which a bearing that receives a rotating shaft is formed with a buffer member such as rubber or elastomer to suppress vibration and noise.
キャスターの車輪を、自動車のように空気入りのタイヤとすれば、振動や騒音などを抑制でき、静音性は高まるが、コスト的には割高になる。また、空気が抜けた場合の対処方法なども考慮しなければならない。
本発明者は、従来からあるキャスターを改良し、大幅な設計変更を必要とせずに静音性に優れたキャスターを想到した。 If the wheels of the casters are made of pneumatic tires like automobiles, vibration and noise can be suppressed, and the noise reduction is improved, but the cost is high. Also, you must consider how to deal with air leaks.
The inventor of the present invention has improved a conventional caster, and has come up with a caster excellent in quietness without requiring a significant design change.
本発明者は、従来からあるキャスターを改良し、大幅な設計変更を必要とせずに静音性に優れたキャスターを想到した。 If the wheels of the casters are made of pneumatic tires like automobiles, vibration and noise can be suppressed, and the noise reduction is improved, but the cost is high. Also, you must consider how to deal with air leaks.
The inventor of the present invention has improved a conventional caster, and has come up with a caster excellent in quietness without requiring a significant design change.
そこで、本発明の目的は、移動時における振動や騒音などを抑制し、静音性に優れたキャスターを提供することにある。
Therefore, an object of the present invention is to provide a caster that suppresses vibration and noise during movement and is excellent in quietness.
本発明のキャスターは、車輪部が接地面に接地したときに、車輪部の外周面に接触して車輪部を支持する、車輪部の上方に配した少なくとも2つの支持ローラ部と、車輪部が接地面に接地したときに、車輪部の中心孔と非接触状態になる、該中心孔に挿し通した軸部と、を備えたことを特徴とする。
The caster of the present invention, when the wheel unit is in contact with the grounding surface, contacts the outer peripheral surface of the wheel unit to support the wheel unit, at least two support roller units disposed above the wheel unit, and the wheel unit And a shaft portion inserted through the center hole, which is in a non-contact state with the center hole of the wheel portion when grounded on the ground surface.
支持ローラ部は、車輪部の側面視において、車輪部の左右斜め上方にそれぞれ配することが好ましい。
It is preferable that the support roller portion is disposed obliquely above and to the left and right of the wheel portion in a side view of the wheel portion.
上記キャスターは、車輪部が接地時には、車輪部はその上方に設けた少なくとも2つの支持ローラにより支持されて回転し、車輪部の中心孔は軸部と離れた非接触状態になる。車輪部は、各支持ローラに支持されて回転することができるため、車輪部が上下に揺れ動きにくく、振動や騒音などを抑制し、静音性を高めることができる。
When the wheel is grounded, the caster is supported and rotated by at least two support rollers provided above the wheel, and the center hole of the wheel is in a non-contact state away from the shaft. Since the wheel portion can be rotated while being supported by each support roller, the wheel portion is less likely to swing up and down, and vibration and noise can be suppressed and quietness can be improved.
車輪部や支持ローラ部の外周面は、弾性部材で形成することができ、これにより静音性をさらに高めることができる。
The outer peripheral surface of the wheel part and the support roller part can be formed of an elastic member, which can further improve the silence.
以下、本発明のキャスターの第一実施形態について説明する。
Hereinafter, a first embodiment of the caster of the present invention will be described.
本発明の第一実施形態のキャスター1は、図1~図5に示すように、車輪部2と、支持ローラ部3とを備え、二股状のフォーク部4に、車輪部2と支持ローラ部3とを取付けて形成してある。
以下、キャスター1を、スーツケースなどの鞄に適用した場合について説明するが、本発明のキャスターは、これに限定されるものではなく、台車、椅子、テーブルなどの移動体に取り付けることができる。鞄以外の移動体に適用する場合、移動体の大きさや重量などに応じ、適宜大きさ、材質などを変更して用いることができる。 As shown in FIGS. 1 to 5, the caster 1 according to the first embodiment of the present invention includes awheel portion 2 and a support roller portion 3, and the bifurcated fork portion 4 includes a wheel portion 2 and a support roller portion. 3 is attached.
Hereinafter, although the case where the caster 1 is applied to a bag such as a suitcase will be described, the caster of the present invention is not limited to this, and can be attached to a moving body such as a carriage, a chair, and a table. When applied to a moving body other than a bag, the size, material, and the like can be appropriately changed according to the size and weight of the moving body.
以下、キャスター1を、スーツケースなどの鞄に適用した場合について説明するが、本発明のキャスターは、これに限定されるものではなく、台車、椅子、テーブルなどの移動体に取り付けることができる。鞄以外の移動体に適用する場合、移動体の大きさや重量などに応じ、適宜大きさ、材質などを変更して用いることができる。 As shown in FIGS. 1 to 5, the caster 1 according to the first embodiment of the present invention includes a
Hereinafter, although the case where the caster 1 is applied to a bag such as a suitcase will be described, the caster of the present invention is not limited to this, and can be attached to a moving body such as a carriage, a chair, and a table. When applied to a moving body other than a bag, the size, material, and the like can be appropriately changed according to the size and weight of the moving body.
車輪部2は、地面や床などの接地面Yに接地し、鞄を移動させる際に回転するように形成してある。
車輪部2は、中心に円形状の中心孔21を有する円盤状に形成することができ、鉄、アルミニウムなどの金属やポリスチレン、ポリエステルなどの合成樹脂等から形成することができる。車輪部2は、例えば、直径30mm~80mm、好ましくは直径40mm~70mmに形成することができる。車輪部2は、軸部22を介してフォーク部4の先端部に取り付けることができる。 Thewheel part 2 is formed so as to be grounded on a grounding surface Y such as the ground or the floor and to rotate when the cage is moved.
Thewheel portion 2 can be formed in a disk shape having a circular center hole 21 at the center, and can be formed from a metal such as iron or aluminum, a synthetic resin such as polystyrene or polyester, or the like. The wheel portion 2 can be formed to have a diameter of 30 mm to 80 mm, preferably a diameter of 40 mm to 70 mm, for example. The wheel portion 2 can be attached to the tip portion of the fork portion 4 via the shaft portion 22.
車輪部2は、中心に円形状の中心孔21を有する円盤状に形成することができ、鉄、アルミニウムなどの金属やポリスチレン、ポリエステルなどの合成樹脂等から形成することができる。車輪部2は、例えば、直径30mm~80mm、好ましくは直径40mm~70mmに形成することができる。車輪部2は、軸部22を介してフォーク部4の先端部に取り付けることができる。 The
The
軸部22は、中心孔21に挿し通すことができる円柱形状に形成し、鞄を持ち上げた場合などに、車輪部2を支えることができるように形成してある。軸部22は、鉄、アルミニウムなどの金属やポリスチレン、ポリエステルなどの合成樹脂等から形成することができる。軸部22としてリベットなどを用いることもでき、フォーク部4に対して揺れ動かないようにかしめて固定することが好ましい。
The shaft portion 22 is formed in a cylindrical shape that can be inserted into the center hole 21 and formed so that the wheel portion 2 can be supported when the heel is lifted. The shaft portion 22 can be formed from a metal such as iron or aluminum, or a synthetic resin such as polystyrene or polyester. A rivet or the like can also be used as the shaft portion 22 and is preferably caulked and fixed so as not to swing with respect to the fork portion 4.
軸部22は、中心孔21に対して適度な隙間ができるように中心孔21よりも小径に形成し、例えば、軸部22の外径は、中心孔21の内径に対して30%~70%、好ましくは40%~60%になるように形成することができる。より具体的には、例えば、軸部22の外径を3.0mm~6.0mm、好ましくは4.0mm~5.0mmにし、中心孔21の内径を6.0mm~10.0mm、好ましくは7.0mm~9.0mmにすることができる。
The shaft portion 22 is formed to have a smaller diameter than the center hole 21 so that an appropriate gap is formed with respect to the center hole 21. For example, the outer diameter of the shaft portion 22 is 30% to 70% with respect to the inner diameter of the center hole 21. %, Preferably 40% to 60%. More specifically, for example, the outer diameter of the shaft portion 22 is 3.0 mm to 6.0 mm, preferably 4.0 mm to 5.0 mm, and the inner diameter of the center hole 21 is 6.0 mm to 10.0 mm, preferably It can be set to 7.0 mm to 9.0 mm.
車輪部2の外周面23は、弾性を有する弾性部材から形成することができ、弾性部材としては、例えば、スチレン系、オレフィン系、ウレタン系、アクリル系、ポリエステル系、ポリアミド系などのゴムを用いることができる。外周面23を弾性部材で形成する場合は、弾性部材を輪状に成形し、車輪部2の外周に嵌め合せることなどにより形成することができる。
外周面23の内側には、図4に示すように、ウレタン24を配してもよい。これにより、振動を抑制することができる。 The outerperipheral surface 23 of the wheel part 2 can be formed from an elastic member having elasticity, and as the elastic member, for example, rubber such as styrene, olefin, urethane, acrylic, polyester, polyamide, or the like is used. be able to. When the outer peripheral surface 23 is formed of an elastic member, it can be formed by forming the elastic member into a ring shape and fitting it on the outer periphery of the wheel portion 2.
As shown in FIG. 4,urethane 24 may be disposed inside the outer peripheral surface 23. Thereby, vibration can be suppressed.
外周面23の内側には、図4に示すように、ウレタン24を配してもよい。これにより、振動を抑制することができる。 The outer
As shown in FIG. 4,
支持ローラ3は、車輪部2が接地面Yに接地したときに、車輪部2の外周面23と接触して車輪部2を上方から支持して車輪部2とともに回転し、また、車輪部2の中心孔22と軸部21とが接触しない非接触状態にすることができる。
支持ローラ3は、円形状の軸孔31を有する円筒状に形成することができ、アルミニウムなどの金属やポリスチレン、ポリエステルなどの合成樹脂等から形成することができる。支持ローラ3は、例えば、車輪部2の直径に対して20%~40%、好ましくは25%~35%の直径になるように形成し、より具体的には、例えば、直径10mm~30mm、好ましくは直径12mm~20mmに形成することができる。支持ローラ3は、円柱状の回転軸32を介してフォーク部4に回転可能に取付けることができる。 When thewheel unit 2 contacts the ground surface Y, the support roller 3 contacts the outer peripheral surface 23 of the wheel unit 2 to support the wheel unit 2 from above and rotates together with the wheel unit 2. The center hole 22 and the shaft portion 21 can be brought into a non-contact state in which they do not contact each other.
Thesupport roller 3 can be formed in a cylindrical shape having a circular shaft hole 31, and can be formed from a metal such as aluminum, a synthetic resin such as polystyrene or polyester, or the like. The support roller 3 is formed to have a diameter of, for example, 20% to 40%, preferably 25% to 35% with respect to the diameter of the wheel portion 2, and more specifically, for example, a diameter of 10 mm to 30 mm, Preferably, it can be formed to have a diameter of 12 mm to 20 mm. The support roller 3 can be rotatably attached to the fork portion 4 via a cylindrical rotation shaft 32.
支持ローラ3は、円形状の軸孔31を有する円筒状に形成することができ、アルミニウムなどの金属やポリスチレン、ポリエステルなどの合成樹脂等から形成することができる。支持ローラ3は、例えば、車輪部2の直径に対して20%~40%、好ましくは25%~35%の直径になるように形成し、より具体的には、例えば、直径10mm~30mm、好ましくは直径12mm~20mmに形成することができる。支持ローラ3は、円柱状の回転軸32を介してフォーク部4に回転可能に取付けることができる。 When the
The
支持ローラ3は、車輪部2の上方に配することができ、車輪部2の側面視において、車輪部2の左右斜め上方にそれぞれ配することが好ましい。より具体的には、車輪部2の接地時において、図3に示すように、車輪部2の中心を通る水平線に対する仰角αが、30°~70°、特に40°~60°になる位置に配することが好ましい。また、2つの支持ローラ3は、左右対称になる位置に設けることが好ましい。
本実施形態では、2つの支持ローラを設けてあるが、これに限定されるものではなく、3つや4つ、それ以上の支持ローラを設けることもできる。 Thesupport roller 3 can be disposed above the wheel portion 2 and is preferably disposed obliquely above and to the left and right of the wheel portion 2 in a side view of the wheel portion 2. More specifically, when the wheel portion 2 is in contact with the ground, as shown in FIG. 3, the elevation angle α with respect to the horizontal line passing through the center of the wheel portion 2 is 30 ° to 70 °, particularly 40 ° to 60 °. It is preferable to arrange them. Further, it is preferable that the two support rollers 3 are provided at positions that are symmetrical.
In this embodiment, two support rollers are provided, but the present invention is not limited to this, and three, four, or more support rollers may be provided.
本実施形態では、2つの支持ローラを設けてあるが、これに限定されるものではなく、3つや4つ、それ以上の支持ローラを設けることもできる。 The
In this embodiment, two support rollers are provided, but the present invention is not limited to this, and three, four, or more support rollers may be provided.
軸孔31は、内径を回転軸32の外径と略同径に形成し、回転軸32をできるだけ隙間なく挿し通すことができるように形成することが好ましい。また、軸孔31の内周面には、螺旋状の溝部34を形成することが好ましく、これにより、注油したオイルやグリースなどが内部まで浸透しやすく、支持ローラ3が回転しやすくなる。
The shaft hole 31 is preferably formed so that the inner diameter is substantially the same as the outer diameter of the rotating shaft 32 so that the rotating shaft 32 can be inserted through as little as possible. In addition, it is preferable to form a spiral groove 34 on the inner peripheral surface of the shaft hole 31, so that the oil or grease that has been lubricated easily penetrates into the inside, and the support roller 3 can easily rotate.
回転軸32は、軸部22と並行になるように配し、鉄、アルミニウムなどの金属やポリスチレン、ポリエステルなどの合成樹脂等から形成することができる。回転軸32としてリベットなどを用いることもでき、フォーク部4に対して揺れ動かないようにかしめて固定することが好ましい。
The rotary shaft 32 is arranged in parallel with the shaft portion 22 and can be formed from a metal such as iron or aluminum, or a synthetic resin such as polystyrene or polyester. A rivet or the like can also be used as the rotating shaft 32, and it is preferable that the rotating shaft 32 is fixed by caulking so as not to swing with respect to the fork portion 4.
支持ローラ3の外周面33は、弾性を有する弾性部材から形成することが好ましく、弾性部材としては、例えば、スチレン系、オレフィン系、ウレタン系、アクリル系、ポリエステル系、ポリアミド系などのゴムを用いることができる。外周面33を弾性部材で形成する場合は、弾性部材を円筒状に成形し、これを支持ローラ3の外周に嵌め合せることなどにより形成することができる。
The outer peripheral surface 33 of the support roller 3 is preferably formed of an elastic member having elasticity, and as the elastic member, for example, rubber such as styrene, olefin, urethane, acrylic, polyester, and polyamide is used. be able to. When the outer peripheral surface 33 is formed of an elastic member, it can be formed by forming the elastic member into a cylindrical shape and fitting it to the outer periphery of the support roller 3.
フォーク部4は、水平状の上面41から垂下した左右の垂下片42を有する形状にすることができ、左右の垂下片42間に車輪部2及び支持ローラ部3を挟み込ませるように取付けることができる。
フォーク部4は、上面41を、鞄の底面に固定することができ、鞄の底面に上面41を直接固定しても、取付座などを介して固定してもよい。また、スラストベアリング43などを介して回転可能に固定することが好ましい。 Thefork part 4 can have a shape having left and right hanging pieces 42 suspended from the horizontal upper surface 41, and can be attached so that the wheel part 2 and the supporting roller part 3 are sandwiched between the left and right hanging pieces 42. it can.
Thefork portion 4 can fix the upper surface 41 to the bottom surface of the heel, and may be fixed directly to the bottom surface of the heel or may be fixed via a mounting seat or the like. Further, it is preferably fixed so as to be rotatable through a thrust bearing 43 or the like.
フォーク部4は、上面41を、鞄の底面に固定することができ、鞄の底面に上面41を直接固定しても、取付座などを介して固定してもよい。また、スラストベアリング43などを介して回転可能に固定することが好ましい。 The
The
以下、キャスター1の作動の一例を説明する。
キャスター1は、鞄を地面や床などの接地面Yに置き、車輪部2が接地しているときは、図3に示すように、車輪部2の外周面23と支持ローラ3の外周面33とが接触し、車輪部2が支持ローラ3により支持される。このとき、車輪部2の軸部21は、中心孔22の略中心に位置し、軸部21と中心孔22とは離れた非接触状態になる。
鞄を、図3に示す矢印Xの方向に移動する場合、車輪部2は、接地面Yとの摩擦により回転する。この際、車輪部2は、支持ローラ3とともに回転し、軸部21と中心孔22との非接触状態は維持されながら移動することができ、車輪部2は軸部21に対して浮遊した状態で移動することができる。 Hereinafter, an example of the operation of the caster 1 will be described.
When the caster 1 is placed on a ground surface Y such as the ground or floor and thewheel portion 2 is grounded, the caster 1 has an outer peripheral surface 23 of the wheel portion 2 and an outer peripheral surface 33 of the support roller 3 as shown in FIG. And the wheel portion 2 is supported by the support roller 3. At this time, the shaft portion 21 of the wheel portion 2 is positioned substantially at the center of the center hole 22, and the shaft portion 21 and the center hole 22 are separated from each other.
When the heel is moved in the direction of the arrow X shown in FIG. At this time, thewheel portion 2 rotates together with the support roller 3, and can move while maintaining the non-contact state between the shaft portion 21 and the center hole 22, and the wheel portion 2 is floated with respect to the shaft portion 21. You can move with.
キャスター1は、鞄を地面や床などの接地面Yに置き、車輪部2が接地しているときは、図3に示すように、車輪部2の外周面23と支持ローラ3の外周面33とが接触し、車輪部2が支持ローラ3により支持される。このとき、車輪部2の軸部21は、中心孔22の略中心に位置し、軸部21と中心孔22とは離れた非接触状態になる。
鞄を、図3に示す矢印Xの方向に移動する場合、車輪部2は、接地面Yとの摩擦により回転する。この際、車輪部2は、支持ローラ3とともに回転し、軸部21と中心孔22との非接触状態は維持されながら移動することができ、車輪部2は軸部21に対して浮遊した状態で移動することができる。 Hereinafter, an example of the operation of the caster 1 will be described.
When the caster 1 is placed on a ground surface Y such as the ground or floor and the
When the heel is moved in the direction of the arrow X shown in FIG. At this time, the
このように、キャスター1は、車輪部2が、接地面Yと2つの支持ローラ3との間に挟まれて回転するため、車輪部2が上下に揺れ動きにくく振動や騒音などの発生を抑制することができる。また、車輪部2の回転時には、軸部21と中心孔22とは接触しないため騒音などが発生しにくくなる。車輪部2の外周面23や支持ローラ3の外周面33を弾性部材で形成しておけば、騒音や振動などの発生をより防ぐことができる。
Thus, since the wheel part 2 rotates by being pinched | interposed between the ground-contact surface Y and the two support rollers 3, the caster 1 suppresses generation | occurrence | production of a vibration, a noise, etc. that the wheel part 2 is hard to shake up and down. be able to. Further, when the wheel portion 2 rotates, the shaft portion 21 and the center hole 22 are not in contact with each other, so that noise or the like is hardly generated. If the outer peripheral surface 23 of the wheel part 2 and the outer peripheral surface 33 of the support roller 3 are formed of an elastic member, it is possible to further prevent the generation of noise and vibration.
なお、鞄を上方に持ち上げた場合は、図6に示すように、車輪部2は、若干下方に落ち、中止孔21と軸部22とが接触した状態になり、軸部22により支持される。車輪部2は、支持ローラ部3から離れ、非接触状態になる。
When the heel is lifted upward, as shown in FIG. 6, the wheel portion 2 falls slightly downward, and the stop hole 21 and the shaft portion 22 are in contact with each other and are supported by the shaft portion 22. . The wheel part 2 leaves | separates from the support roller part 3, and will be in a non-contact state.
以下、本発明のキャスターの第二実施形態について説明する。
なお、第二実施形態のキャスターを説明するにあたり、上記形態と同じ箇所は同一名称、同一符号を用い、詳細な説明は省略する。
本発明の第二実施形態のキャスター11は、図7又は図8に示すように、第一実施形態のキャスター1における車輪部2の外周面23及び支持ローラ3の外周面33の形状を主に変更してある。 Hereinafter, a second embodiment of the caster of the present invention will be described.
In describing the caster according to the second embodiment, the same portions as those in the above embodiment are denoted by the same names and reference numerals, and detailed description thereof is omitted.
As shown in FIG. 7 or 8, thecaster 11 of the second embodiment of the present invention mainly has the shapes of the outer peripheral surface 23 of the wheel portion 2 and the outer peripheral surface 33 of the support roller 3 in the caster 1 of the first embodiment. It has changed.
なお、第二実施形態のキャスターを説明するにあたり、上記形態と同じ箇所は同一名称、同一符号を用い、詳細な説明は省略する。
本発明の第二実施形態のキャスター11は、図7又は図8に示すように、第一実施形態のキャスター1における車輪部2の外周面23及び支持ローラ3の外周面33の形状を主に変更してある。 Hereinafter, a second embodiment of the caster of the present invention will be described.
In describing the caster according to the second embodiment, the same portions as those in the above embodiment are denoted by the same names and reference numerals, and detailed description thereof is omitted.
As shown in FIG. 7 or 8, the
キャスター11は、車輪部2の外周面23の幅方向中央付近に突条5を全周に渡り設けてある。突条5は、断面扁平矩形状に形成してある。鞄を移動させる際は、突条5の周面51が接地し、車輪部2が回転するようにしてある。
The caster 11 is provided with a ridge 5 over the entire circumference near the center in the width direction of the outer peripheral surface 23 of the wheel portion 2. The protrusion 5 is formed in a flat rectangular shape in cross section. When the heel is moved, the peripheral surface 51 of the ridge 5 is grounded and the wheel portion 2 is rotated.
支持ローラ3の外周面33は、幅方向中央付近に突条5に合わさる凹溝6が全周に渡り形成してある。凹溝6は、突条5よりもやや幅広に形成し、突条5の高さよりもやや深く形成してあり、突条5が入り込むように形成してある。
支持ローラ3は、両脇部61が車輪部2の両肩部52付近に接して車輪部2の回転とともに回転するようにしてある。また、凹溝6の底面62は、突条5の周面51に接しないようにしてある。 On the outerperipheral surface 33 of the support roller 3, a concave groove 6 is formed over the entire circumference in the vicinity of the center in the width direction. The concave groove 6 is formed to be slightly wider than the ridge 5, slightly deeper than the height of the ridge 5, and formed so that the ridge 5 enters.
Thesupport roller 3 is configured such that both side portions 61 are in contact with the vicinity of both shoulder portions 52 of the wheel portion 2 and rotate with the rotation of the wheel portion 2. Further, the bottom surface 62 of the concave groove 6 is not in contact with the peripheral surface 51 of the protrusion 5.
支持ローラ3は、両脇部61が車輪部2の両肩部52付近に接して車輪部2の回転とともに回転するようにしてある。また、凹溝6の底面62は、突条5の周面51に接しないようにしてある。 On the outer
The
キャスター11は、突条5の周面51が地面などに接して車輪部2が回転するため、周面51にほこりが付着したり、周面51が削れたりすることなどがあるが、両肩部52の表面は平滑状を保つことができる。また、支持ローラ3は、両脇部61が両肩部52と接し、車輪部2とともに回転する。このとき、突条5は凹溝6に入り込み、周面51と底面62とは非接触状態で車輪部2及び支持ローラ3は回転する。
そのため、キャスター11は、周面51にほこりなどが付着したり、周面51が削れたりしても、支持ローラ3は、平滑状の両肩部52と接して回転し、周面51に触れることなく回転するため振動などの発生を防ぐことができる。もちろん、上記第一実施形態のキャスター1と同様の効果をも有するものである。 In thecaster 11, the peripheral surface 51 of the ridge 5 is in contact with the ground and the wheel portion 2 rotates, so that dust may adhere to the peripheral surface 51 or the peripheral surface 51 may be scraped. The surface of the portion 52 can be kept smooth. Further, the support roller 3 rotates with the wheel portion 2 with both side portions 61 in contact with both shoulder portions 52. At this time, the protrusion 5 enters the concave groove 6, and the wheel portion 2 and the support roller 3 rotate while the peripheral surface 51 and the bottom surface 62 are not in contact with each other.
Therefore, even if dust or the like adheres to theperipheral surface 51 or the peripheral surface 51 is shaved, the support roller 3 rotates in contact with the smooth shoulders 52 and touches the peripheral surface 51. Since it rotates without any vibration, it is possible to prevent the occurrence of vibration. Of course, it has the same effect as the caster 1 of the first embodiment.
そのため、キャスター11は、周面51にほこりなどが付着したり、周面51が削れたりしても、支持ローラ3は、平滑状の両肩部52と接して回転し、周面51に触れることなく回転するため振動などの発生を防ぐことができる。もちろん、上記第一実施形態のキャスター1と同様の効果をも有するものである。 In the
Therefore, even if dust or the like adheres to the
図9には、第二実施形態のキャスター11の変形例が示され、支持ローラ3の外周面33の幅方向中央付近に突条6aが全周に渡り形成してある。突条6aは、断面扁平矩形状に形成してある。
車輪部2の外周面23の幅方向中央付近には、突条6aに合わさる凹溝5aが全周に渡り形成してある。鞄を移動させる際は、車輪部2の両肩部52aが接地し、車輪部2が回転するようにしてある。
凹溝5aは、突条6aよりもやや幅広に形成し、突条6aの高さよりもやや浅く形成し、突条6aが入り込むように形成してある。凹溝5aの底面51aは、突条6aの周面61aに接するようにしてある。
このような構成にしても、支持ローラ3は、突条6aの周面61aが凹溝5aの底面51aに接して車輪部2の回転とともに回転することができる。そのため、支持ローラ3は、接地する車輪部2の両肩部52aと触れることがなく、上記と同様に振動などの発生を防ぐことができる。 FIG. 9 shows a modification of thecaster 11 according to the second embodiment, and a ridge 6 a is formed over the entire circumference near the center in the width direction of the outer peripheral surface 33 of the support roller 3. The protrusion 6a is formed in a flat rectangular shape in cross section.
In the vicinity of the center in the width direction of the outerperipheral surface 23 of the wheel portion 2, a concave groove 5 a that fits the protrusion 6 a is formed over the entire circumference. When the heel is moved, both shoulder portions 52a of the wheel portion 2 are grounded so that the wheel portion 2 rotates.
Theconcave groove 5a is formed to be slightly wider than the ridge 6a, slightly shallower than the height of the ridge 6a, and formed so that the ridge 6a enters. The bottom surface 51a of the concave groove 5a is in contact with the peripheral surface 61a of the ridge 6a.
Even with such a configuration, thesupport roller 3 can rotate with the rotation of the wheel portion 2 with the peripheral surface 61a of the protrusion 6a contacting the bottom surface 51a of the groove 5a. Therefore, the support roller 3 does not touch both shoulder portions 52a of the wheel portion 2 to be grounded, and can prevent the occurrence of vibrations as described above.
車輪部2の外周面23の幅方向中央付近には、突条6aに合わさる凹溝5aが全周に渡り形成してある。鞄を移動させる際は、車輪部2の両肩部52aが接地し、車輪部2が回転するようにしてある。
凹溝5aは、突条6aよりもやや幅広に形成し、突条6aの高さよりもやや浅く形成し、突条6aが入り込むように形成してある。凹溝5aの底面51aは、突条6aの周面61aに接するようにしてある。
このような構成にしても、支持ローラ3は、突条6aの周面61aが凹溝5aの底面51aに接して車輪部2の回転とともに回転することができる。そのため、支持ローラ3は、接地する車輪部2の両肩部52aと触れることがなく、上記と同様に振動などの発生を防ぐことができる。 FIG. 9 shows a modification of the
In the vicinity of the center in the width direction of the outer
The
Even with such a configuration, the
上記実施形態の構成態様は、本発明を限定するものとして挙げたものではなく、技術目的を共通にするかぎり変更は可能であり、本発明はそのような変更を含むものである。
The configuration aspect of the above embodiment is not intended to limit the present invention, and can be changed as long as the technical purpose is common, and the present invention includes such a change.
1,11キャスター 2車輪部 21中心孔 22軸部 23外周面 3支持ローラ 31軸孔 32回転軸 33外周面 4フォーク部 5突条 51周面 52肩部 6凹溝 61脇部 62底面 5a凹溝 51a底面 52a肩部 6a突条 61a周面
1, 11 casters, 2 wheel parts, 21 center holes, 22 shaft parts, 23 outer peripheral surfaces, 3 support rollers, 31 shaft holes, 32 rotating shafts, 33 outer peripheral surfaces, 4 fork parts, 5 ridges, 51 peripheral surfaces, 52 shoulders, 6 grooves, 61 side portions, 62 bottom surfaces, 5a concave Groove 51a bottom 52a shoulder 6a ridge 61a circumferential surface
Claims (5)
- 車輪部が接地面に接地したときに、車輪部の外周面に接触して車輪部を支持する、車輪部の上方に配した少なくとも2つの支持ローラ部と、車輪部が接地面に接地したときに、車輪部の中心孔と非接触状態になる、該中心孔に挿し通した軸部と、を備えたキャスター。 When the wheel part is in contact with the grounding surface, the wheel part is in contact with the outer peripheral surface of the wheel part to support the wheel part, and when the wheel part is in contact with the grounding surface. And a shaft part inserted through the central hole, which is in a non-contact state with the central hole of the wheel part.
- 支持ローラ部を、車輪部の側面視において、車輪部の左右斜め上方にそれぞれ配した請求項1に記載のキャスター。 The caster according to claim 1, wherein the support roller portion is disposed obliquely above and to the left and right of the wheel portion in a side view of the wheel portion.
- 車輪部の外周面を、弾性部材で形成した請求項1又は2に記載のキャスター。 The caster according to claim 1 or 2, wherein the outer peripheral surface of the wheel part is formed of an elastic member.
- 支持ローラ部の外周面を、弾性部材で形成した請求項1~3のいずれかに記載のキャスター。 The caster according to any one of claims 1 to 3, wherein the outer peripheral surface of the support roller portion is formed of an elastic member.
- 車輪部の外周面の幅方向中央付近に、突条又は凹溝を形成し、支持ローラ部の外周面の幅方向中央付近に、前記突条又は凹溝に合わさる凹溝又は突条を形成した請求項1~4のいずれかに記載のキャスター。 A ridge or groove is formed near the center in the width direction of the outer peripheral surface of the wheel portion, and a groove or ridge is formed near the center in the width direction of the outer peripheral surface of the support roller portion. The caster according to any one of claims 1 to 4.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-097991 | 2012-04-23 | ||
JP2012097991 | 2012-04-23 | ||
JP2012175251A JP5314179B1 (en) | 2012-04-23 | 2012-08-07 | caster |
JP2012-175251 | 2012-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013161382A1 true WO2013161382A1 (en) | 2013-10-31 |
Family
ID=49482722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/055461 WO2013161382A1 (en) | 2012-04-23 | 2013-02-28 | Caster |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5314179B1 (en) |
WO (1) | WO2013161382A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6332888B1 (en) * | 2017-12-24 | 2018-05-30 | 川島 順次 | caster |
WO2020105625A1 (en) * | 2018-11-20 | 2020-05-28 | Groove X株式会社 | Wheel structure, and robot |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1405516A (en) * | 1973-06-15 | 1975-09-10 | Rooigon Corp | Vehicle wheel |
EP2138379A1 (en) * | 2007-04-20 | 2009-12-30 | Honda Motor Co., Ltd. | Omnidirectional driver and omnidirectional vehicle employing it |
JP2011020565A (en) * | 2009-07-16 | 2011-02-03 | Shoyoseiki Co Ltd | Ball transfer |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5842161Y2 (en) * | 1981-02-23 | 1983-09-24 | 株式会社 共栄精工 | Rotating wheel for transportation |
DE3637164A1 (en) * | 1986-10-31 | 1988-05-05 | Rudolf Kurt Hermann Wuttke | Ball rolling system for motor vehicles |
-
2012
- 2012-08-07 JP JP2012175251A patent/JP5314179B1/en not_active Expired - Fee Related
-
2013
- 2013-02-28 WO PCT/JP2013/055461 patent/WO2013161382A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1405516A (en) * | 1973-06-15 | 1975-09-10 | Rooigon Corp | Vehicle wheel |
EP2138379A1 (en) * | 2007-04-20 | 2009-12-30 | Honda Motor Co., Ltd. | Omnidirectional driver and omnidirectional vehicle employing it |
JP2011020565A (en) * | 2009-07-16 | 2011-02-03 | Shoyoseiki Co Ltd | Ball transfer |
Also Published As
Publication number | Publication date |
---|---|
JP2013241170A (en) | 2013-12-05 |
JP5314179B1 (en) | 2013-10-16 |
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