JPH06219101A - Bicycle wheel - Google Patents
Bicycle wheelInfo
- Publication number
- JPH06219101A JPH06219101A JP14225593A JP14225593A JPH06219101A JP H06219101 A JPH06219101 A JP H06219101A JP 14225593 A JP14225593 A JP 14225593A JP 14225593 A JP14225593 A JP 14225593A JP H06219101 A JPH06219101 A JP H06219101A
- Authority
- JP
- Japan
- Prior art keywords
- spoke
- locking
- spokes
- flange
- ring
- 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.)
- Pending
Links
Abstract
Description
【0001】[0001]
【利用分野】本発明は、スポ−ク式の自転車用車輪に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spoke type bicycle wheel.
【0002】[0002]
【従来技術およびその問題点】従来の自転車用車輪は、
図1に示すように、ハブ筒(2a)の両端近傍から板状のフ
ランジ(21)(21)を張出させたハブ体(2) の前記フランジ
(21)(21)とリムとの間に多数のスポーク(3)(3)を張設し
た構成となっている。この従来のものでは、前記スポ−
ク(3) は線材によって構成されて、その一端には屈曲片
(30)を具備させると共に、他端はニップルを螺合させる
ネジ部となっている。2. Description of the Related Art Conventional bicycle wheels are
As shown in FIG. 1, the flange of the hub body (2) in which plate-like flanges (21) (21) are projected from the vicinity of both ends of the hub cylinder (2a).
A large number of spokes (3) and (3) are stretched between the (21) and (21) and the rim. In this conventional type,
The wire (3) is made of wire and has a bent piece at one end.
(30) is provided, and the other end is a screw part for screwing the nipple.
【0003】このスポ−ク(3) の前記屈曲片(30)がフラ
ンジ(21)の被係止孔を貫通すると共に、前記ネジ部がニ
ップルによってリム(1) のスポーク孔にネジ止めされ
て、各スポ−ク(3) は、フランジ(21)とリム(1) との間
に張設される。屈曲片(30)の先端には係止頭部(34)が形
成されているから、前記張設状態においてはスポ−ク
(3) の屈曲片(30)とフランジ(21)の取付け孔とが抜止め
状態に係合する。The bent piece (30) of the spoke (3) penetrates the locked hole of the flange (21), and the screw portion is screwed into the spoke hole of the rim (1) by a nipple. Each spoke (3) is stretched between the flange (21) and the rim (1). Since the locking head (34) is formed at the tip of the bending piece (30), the spoke is held in the stretched state.
The bent piece (30) of (3) and the mounting hole of the flange (21) engage with each other in a retaining state.
【0004】尚、車輪の一方の面に張設されるスポ−ク
(3)(3)群の各スポ−ク(3) は、フランジ(21)に形成した
取付け孔配列部に対して外接する姿勢に取付けられると
共に、相互に交叉する関係(以下、綾取り状態という)
に取付けられることから、これらスポ−ク(3)(3)は、フ
ランジ(21)の内側に係止頭部(34)が位置する第1スポー
ク(3a)と、フランジ(21)の外側に係止頭部(34)が位置す
る第2スポーク(3b)とに分かれる。The spokes stretched on one surface of the wheel.
(3) The respective spokes (3) of the (3) group are mounted in a posture in which they are circumscribed with respect to the mounting hole array portion formed in the flange (21), and they are in a relationship of intersecting with each other (hereinafter referred to as a crossed state )
Since these spokes (3) and (3) are attached to the first spoke (3a) where the locking head (34) is located inside the flange (21) and the outside of the flange (21). It is divided into the second spoke (3b) where the locking head (34) is located.
【0005】これらの第1・第2スポーク(3a)(3b)は、
上記のように取付け姿勢が相違することから、その形状
が相違する。つまり、第1スポーク(3a)においては直線
主体に対する屈曲片(30)の屈曲角度は鈍角に設定され、
第2スポーク(3b)のそれは、鋭角に設定される。従っ
て、この従来のものでは、スポークとして第1・第2ス
ポーク(3a)(3b)の2種類を用意する必要があり、部品の
共通化ができないと言う問題がある。These first and second spokes (3a) (3b) are
Since the mounting postures are different as described above, the shapes are also different. That is, in the first spoke (3a), the bending angle of the bending piece (30) with respect to the straight line main body is set to an obtuse angle,
That of the second spoke (3b) is set to an acute angle. Therefore, in this conventional device, it is necessary to prepare two types of first and second spokes (3a) and (3b) as spokes, and there is a problem that parts cannot be shared.
【0006】又、走行時には、各スポークには張力が繰
り返して作用する。従って、屈曲片(30)の屈曲基端には
この張力による曲げ応力と剪断応力が繰り返して作用す
ることとなり、この繰り返し応力による疲労破壊が生じ
易い。この点で、スポーク強度に問題がある。さらに、
車輪全体としては横荷重に対する強度が不十分である。
これは、図1に示すように、車輪の一方の面に連続する
第2スポーク(3b)における屈曲片(30)の第2屈曲点(31
b)(31b)群と、他方の面に連続する第2屈曲点(31b)(31
b)群との間隔(D2)が車輪取付部との関係で決まる最大間
隔(D) よりも、前記屈曲片(30)の長さの2倍以上小さく
なることから、車輪の一方の面に連続する第1スポーク
(3a)における屈曲片(30)の第1屈曲点(31a)(31a)の群
と、他方の面に連続する第1屈曲点(31a)(31a)群との間
隔(D1)が前記最大間隔(D) に近似するとしても、全体と
して見た場合に、ハブ体(2) とリムとの間に形成される
第1・第2スポーク(3a)(3b)による三角トラス構造部の
ハブ体(2) 側の前記間隔の平均値が十分に大きく設定で
きないからである。Further, tension is repeatedly applied to each spoke during traveling. Therefore, the bending stress due to this tension and the shear stress are repeatedly applied to the bending proximal end of the bending piece (30), and the fatigue fracture is likely to occur due to the repeated stress. In this respect, there is a problem with the spoke strength. further,
The wheel as a whole has insufficient strength against lateral load.
As shown in FIG. 1, this is because the second bending point (31) of the bending piece (30) in the second spoke (3b) continuous to one surface of the wheel.
b) (31b) group and the second bending point (31b) (31
b) Since the distance (D2) to the group is smaller than the maximum distance (D) determined by the relationship with the wheel mounting portion by at least twice the length of the bending piece (30), one surface of the wheel 1st continuous spoke
The maximum distance (D1) between the group of the first bending points (31a) and (31a) of the bending piece (30) in (3a) and the group of the first bending points (31a) and (31a) continuous to the other surface is the maximum. The hub of the triangular truss structure part composed of the first and second spokes (3a) (3b) formed between the hub body (2) and the rim when viewed as a whole even if it is close to the distance (D). This is because the average value of the intervals on the body (2) side cannot be set sufficiently large.
【0007】[0007]
【技術的課題】本発明は、このような点に鑑みてなされ
たものであり、『ハブ筒(2a)の両端近傍にフランジ(21)
(21)を配設したハブ体(2) の前記フランジ(21)(21)とリ
ム(1)との間にスポ−ク(3)(3)を張設した形式の自転車
用車輪』において、各スポ−ク(3) の強度を向上させる
と共に、横方向荷重に対する車輪の剛性を高め、さら
に、スポ−ク(3) の生産の合理化及び、車輪の組み立て
工程の簡素化を可能ならしめることをその技術的課題と
する。[Technical Problem] The present invention has been made in view of the above-mentioned problems. "The flange (21) is provided near both ends of the hub barrel (2a)."
In the bicycle wheel of the type in which the spokes (3) and (3) are stretched between the flanges (21) and (21) of the hub body (2) provided with (21) and the rim (1) ''. , The strength of each spoke (3) is improved, the rigidity of the wheel against lateral load is increased, and the production of the spoke (3) can be rationalized and the wheel assembly process can be simplified. That is the technical issue.
【0008】[0008]
【技術的手段】上記技術的課題を解決するために講じた
本発明の技術的手段は、『各スポーク(3) は直線状軸部
の一端に係止頭部(34)を具備させた構成とし、フランジ
(21)の周縁にはハブの軸線方向に突出させた係止環(20)
を連設し、この係止環(20)に所定のピッチで多数のスポ
ーク孔(24)(24)を貫通形成し、前記各スポ−ク(3) を前
記スポーク孔(24)に係止環(20)の内周側から挿通させて
その係止頭部(34)が前記係止環(20)に係合するようにし
た』ことである。[Technical Means] The technical means of the present invention taken to solve the above technical problem is that "each spoke (3) is provided with a locking head (34) at one end of a linear shaft. And then the flange
Around the periphery of (21), a retaining ring (20) protruding in the axial direction of the hub.
A plurality of spoke holes (24) and (24) are formed through the locking ring (20) at a predetermined pitch, and the spokes (3) are locked in the spoke holes (24). The locking head (34) is inserted from the inner peripheral side of the ring (20) so as to engage with the locking ring (20). "
【0009】[0009]
【作用】本発明の上記技術的手段は次のように作用す
る。フランジ(21)(21)に連設された係止環(20)(20)とリ
ム(1) との間に多数のスポ−ク(3)(3)が張設された状態
では、各スポ−ク(3) は、その一端に設けた係止頭部(3
4)が前記係止環(20)の内周側に位置するようにスポーク
孔(24)(24)に挿通されると共に、反対側の端部がこれに
螺合させたニップル(N) によってリム(1) に緊諦され
る。The above technical means of the present invention operates as follows. When a large number of spokes (3) (3) are stretched between the locking ring (20) (20) connected to the flanges (21) (21) and the rim (1), The spoke (3) has a locking head (3
4) is inserted into the spoke holes (24) (24) so as to be located on the inner peripheral side of the locking ring (20), and the opposite end is screwed into the nipple (N). Rim (1) gives up.
【0010】自転車走行時には、各スポ−ク(3) に引張
力が作用するが、各スポ−ク(3) の軸部と係止頭部(34)
とは直線状であることから、係止頭部(34)との境界に
は、主として引張応力のみが作用する。また、車輪の横
荷重に対する強度に重要な役割を果たす、上記三角トラ
ス構造部のハブ体(2) 側の長さは、車輪の各面に連続す
るスポ−ク(3) の軸心のスポーク孔(24)(24)群の間隔(D
3)となり、上記従来技術における間隔(D1)と間隔(D2)の
平均値よりも大きくなることから、上記三角トラス構造
部の剛性は向上する。When riding a bicycle, a tensile force acts on each spoke (3), but the shaft of each spoke (3) and the locking head (34).
Since and are linear, only tensile stress mainly acts on the boundary with the locking head (34). The length of the triangular truss structure on the hub body (2) side, which plays an important role in the strength against the lateral load of the wheel, is determined by the spokes of the axial center of the spokes (3) that are continuous with each side of the wheel. Hole (24) (24) group spacing (D
3), which is larger than the average value of the interval (D1) and the interval (D2) in the above-mentioned conventional technique, so that the rigidity of the triangular truss structure portion is improved.
【0011】[0011]
【効果】本発明は上記構成であるから次の特有の効果を
有する。各スポ−ク(3) としては同一形状のものが使用
できるので、スポ−ク(3) の生産が合理化でき、ハブ体
(2) とスポ−ク(3) との組み立てを簡素化することが可
能となる。[Effects] The present invention having the above-described structure has the following unique effects. Since the same shape can be used for each spoke (3), the spoke (3) can be streamlined in production and the hub body
It is possible to simplify the assembly of (2) and the spoke (3).
【0012】また、各スポ−ク(3) の係止頭部(34)との
境界部に作用する主たる応力が引張応力のみであること
から、スポ−ク(3) の一端を屈曲片(30)としたものより
強度が向上することになる。よって、各スポ−ク(3) に
加わる繰り返し応力による疲労破壊の発生度合いは低下
する。さらに、上記三角トラス構造部のハブ体(2) 側の
間隔(D3)は、間隔(D1)と間隔(D2)の平均値よりも大きく
なることから、車軸に加わる横方向荷重に対する車輪の
剛性が向上する。Further, since the principal stress acting on the boundary between each spoke (3) and the locking head (34) is only tensile stress, one end of the spoke (3) is bent ( The strength will be improved from the one described in 30). Therefore, the degree of fatigue fracture caused by repeated stress applied to each spoke (3) is reduced. Furthermore, since the distance (D3) on the hub body (2) side of the triangular truss structure is larger than the average value of the distance (D1) and the distance (D2), the rigidity of the wheel against the lateral load applied to the axle is increased. Is improved.
【0013】[0013]
【実施例】以下本発明の実施例を図2から図15に基づ
いて説明する。 [実施例1]実施例1は、図2から図4に示すように、
ハブ軸(HL)に回動自在に軸支されたハブ体(2) から放射
状に多数のスポ−ク(3)(3)が張設された構成としたもの
である。Embodiments of the present invention will be described below with reference to FIGS. Example 1 In Example 1, as shown in FIGS. 2 to 4,
A large number of spokes (3) and (3) are radially extended from a hub body (2) rotatably supported by a hub shaft (HL).
【0014】そして、前記ハブ体(2) の両端部に設けた
フランジ(21)(21)の周縁には、ハブの軸線方向で且つ前
記周縁から外向きに突出させた係止環(20)を連設すると
共に、係止環(20)には、その周縁に沿って所定のピッチ
で多数のスポーク孔(24)(24)をハブ体(2) の半径方向に
貫通形成している。各スポ−ク(3) は、直線状軸部の一
端に、なべ頭状の係止頭部(34)が設けられた構成となっ
ており、このスポ−ク(3) が係止環(20)の内側からスポ
ーク孔(24)に挿通されて係止環(20)に抜止め状態に係合
される。そして、スポ−ク(3) のリム(1) 側の端部には
ネジ部(35)が設けられ、このネジ部(35)には、リム(1)
のスポ−ク孔に差し込まれたニップル(N) が螺合する。At the peripheral edges of the flanges (21) (21) provided at both ends of the hub body (2), there are locking rings (20) projecting in the axial direction of the hub and outward from the peripheral edges. In addition, a plurality of spoke holes (24) (24) are formed in the locking ring (20) along the peripheral edge thereof in the radial direction of the hub body (2) at a predetermined pitch. Each spoke (3) has a configuration in which a pan-head-shaped locking head (34) is provided at one end of the linear shaft portion, and this spoke (3) is a locking ring (3). It is inserted into the spoke holes (24) from the inside of 20 and is engaged with the retaining ring (20) in a retaining state. Then, a threaded portion (35) is provided at the end of the spoke (3) on the rim (1) side, and the threaded portion (35) has a rim (1).
The nipple (N) inserted in the spoke hole of is screwed.
【0015】上記構成のものでは、前記各スポーク孔(2
4)に係止環(20)の内側からスポ−ク(3) を挿入した後、
スポ−ク(3) のネジ部(35)に、ニップル(N) をリム(1)
を貫通した態様で螺合させて、この螺合度合いの調節に
より各スポ−ク(3) の張力を調節すると、スポ−ク(3)
(3)の組み付けが完成する。そして、上記のように組み
立てられた自転車用車輪の場合、既述の作用の項で説明
したように、走行時において、各スポ−ク(3) の各部に
は主として引張力のみが作用するものとなる。In the above structure, the spoke holes (2
After inserting the spoke (3) from the inside of the retaining ring (20) into 4),
Insert the nipple (N) into the rim (1) on the thread (35) of the spoke (3).
When the tension of each spoke (3) is adjusted by screwing them in a manner of penetrating, and adjusting the degree of screwing, the spokes (3)
Assembly of (3) is completed. And, in the case of the bicycle wheel assembled as described above, as described in the section of the above-mentioned action, only the tensile force mainly acts on each part of each spoke (3) during traveling. Becomes
【0016】又、左右の係止環(20)(20)の端縁間隔は、
ハブ体(2) の側方に配されるギアやフレ−ムなどとの位
置関係により設定されるが、前記端縁は、軸線方向の凹
凸がないものとなるから、又、係止環(20)によりフラン
ジ(21)の軸線方向のたわみが防止できるから、係止環(2
0)の端縁とフレ−ム等との間隔が小さく設定できる。こ
の結果、左右の係止環(20)(20)の側のスポーク係止部相
互の間隔、つまり、既述の三角トラス構造部の底辺幅
は、従来のものより大きくなる。Further, the edge spacing of the left and right retaining rings (20) (20) is
It is set according to the positional relationship with gears and frames arranged on the side of the hub body (2), but since the edge has no unevenness in the axial direction, the locking ring ( 20) prevents the flange (21) from bending in the axial direction, so the locking ring (2
The distance between the edge of 0) and the frame can be set small. As a result, the distance between the spoke locking portions on the left and right locking rings (20) (20) side, that is, the base width of the above-mentioned triangular truss structure portion becomes larger than the conventional one.
【0017】尚、上記実施例では、各スポ−ク(3) の組
み付けに際して、スポ−ク(3) が共回りする可能性があ
るが、これを防止するには、図5から図8に示す構成が
採用できる。このものは、図5および図6に示すよう
に、各スポ−ク(3) の係止頭部(34)における係止環(20)
との対接側を、半球状の基部(34a) と、この基部(34a)
から側方に突出し且つ相互が対称となるように設けた一
対の舌片(6)(6)とから構成し、図7および図8に示すよ
うに、各スポーク孔(24)における係止環(20)の内側の開
放端部に、スポーク孔(24)と同心で且つ前記基部(34a)
が丁度嵌り込む大きさの半球状の凹陥部(26)を設け、こ
れら凹陥部(26)(26)の直径線を通り且つ係止環(20)の周
縁に沿うように断面矩形状の溝(26a) を設けた構成とし
ている。尚、この溝(26a) の幅は、舌片(6)(6)が丁度嵌
り込む大きさに設定している。In the above embodiment, there is a possibility that the spokes (3) may rotate together when the spokes (3) are assembled. The configuration shown can be adopted. As shown in FIG. 5 and FIG. 6, this has a retaining ring (20) in the retaining head (34) of each spoke (3).
The hemispherical base (34a) and the base (34a)
And a pair of tongues (6) and (6) protruding laterally from each other so as to be symmetrical to each other, and as shown in FIGS. 7 and 8, the locking ring in each spoke hole (24). At the inner open end of (20), concentric with the spoke holes (24) and said base (34a)
Is provided with a hemispherical recessed portion (26) of a size that fits in exactly, and a groove having a rectangular cross section that passes through the diameter line of these recessed portions (26) (26) and along the peripheral edge of the locking ring (20). (26a) is provided. The width of the groove (26a) is set so that the tongues (6) and (6) fit exactly.
【0018】このものでは、スポ−ク(3) をスポーク孔
(24)に挿入して、舌片(6)(6)が溝(26a) に嵌入係合され
た状態とすると、スポーク(3) の回動が前記係合により
阻止され、ニップル(N) をネジ部(35)に螺合する際にス
ポ−ク(3) が共回りすることがない。尚、上記構成のも
のにおいて、ハブ体(2) の生産性を高めるために、溝(2
6a)を、基部(34a) の断面に適合する半円形の断面と
し、この溝(26a) に係止頭部(34)の基部(34a) 及び舌片
(6)(6)が収容される構成としてもよい。In this case, the spoke (3) is provided with a spoke hole.
When the tongue pieces (6) and (6) are inserted into the groove (26a) and engaged with the tongue pieces (6) and (24), rotation of the spokes (3) is blocked by the engagement, and the nipple (N) The spoke (3) does not rotate together when the screw is screwed into the screw part (35). In addition, in order to increase the productivity of the hub body (2), the groove (2
6a) has a semi-circular cross section that matches the cross section of the base (34a), and the groove (26a) is fitted with the base (34a) of the locking head (34) and the tongue piece.
(6) (6) may be accommodated.
【0019】このものでは、スポ−ク(3) をスポーク孔
(24)に挿入して、係止頭部(34)が溝(26a) に嵌入係合さ
れた状態とすると、舌片(6)(6)が溝(26a) の中央部で溝
(26a) と平行な姿勢となる。そして、この状態でスポ−
ク(3) に回動力が作用しても、前記舌片(6)(6)が溝(26
a) の壁面中央部に当接することとなるから、これ以上
には、係止頭部(34)は回動されない。従って、前記螺合
に際して、スポ−ク(3)が共回りすることがない。 [実施例2]図9から図11に示す実施例2は、スポ−
ク(3)(3)の張設形式を、スポ−ク(3)(3)がフランジ(21)
の接線方向に張設され且つ隣接するスポ−ク(3)(3)が交
差された綾取り形式とし、そして、スポ−ク(3) の共回
り防止のために、係止頭部(34)を、スポ−ク(3) の直線
軸部と直交するように設けられた円柱体とすると共に、
スポ−ク孔(24)における係止環(20)の内側の開放端部
に、前記係止頭部(34)が丁度嵌り込む大きさの断面円弧
状に形成された凹陥部(27)を設けたものである。In this case, the spoke (3) is provided with a spoke hole.
When inserted into (24) and the locking head (34) is fitted and engaged in the groove (26a), the tongues (6) and (6) are located at the center of the groove (26a).
The posture is parallel to (26a). And in this state
Even if the turning force acts on the hook (3), the tongues (6) (6) are
Since it comes into contact with the center of the wall surface of a), the locking head (34) is not rotated any further. Therefore, the spokes (3) do not rotate together during the screwing. [Embodiment 2] Embodiment 2 shown in FIGS.
Spoke (3) (3) is installed on the spoke (3) (3) with a flange (21).
Tangential direction and adjacent spokes (3) (3) are crossed, and the locking head (34) is provided to prevent co-rotation of the spokes (3). Is a cylinder provided so as to be orthogonal to the linear shaft of the spoke (3), and
At the open end of the inside of the retaining ring (20) in the spoke hole (24), there is formed a recessed portion (27) formed in an arc-shaped cross section having a size to fit the retaining head (34). It is provided.
【0020】前記凹陥部(27)は、係止環(20)の周縁に沿
ってこの周縁の内周面に連続形成されており、その一端
は前記周縁に開放している。そして、この凹陥部(27)の
略中央部には、前記周縁と略平行なスポーク孔(24)とし
ての長孔が形成されている。このものでは、係止頭部(3
4)が凹陥部(27)に嵌入係合された状態では、スポ−ク
(3) に回動力が作用しても、前記係合によりスポ−ク
(3) の回動が阻止されるから、スポ−ク(3) の共回りが
防止される。The concave portion (27) is formed continuously along the peripheral edge of the locking ring (20) on the inner peripheral surface of this peripheral edge, and one end thereof is open to the peripheral edge. An elongated hole as a spoke hole (24) substantially parallel to the peripheral edge is formed at a substantially central portion of the recess (27). In this one, the locking head (3
4) is engaged with the recess (27), the spoke is
Even if a rotational force acts on (3), the spokes will be engaged due to the engagement.
Since the rotation of (3) is blocked, co-rotation of the spoke (3) is prevented.
【0021】尚、このものでは、スポ−ク(3)(3)を上記
の綾取り形式とするために、隣接するスポーク孔(24)(2
4)の係止環(20)の端縁からの距離が、交互に、スポ−ク
(3)の軸径分ずれた構成としている。そして、この自転
車用車輪の場合、スポ−ク(3)(3)の張設形式が綾取り形
式となっていることから、車輪が接地した状態でハブ体
(2) に回転駆動力を作用させても、ハブ体(2) の回転駆
動力がリム(1) 側に効果的に伝達される。In this case, in order to make the spokes (3) and (3) into the above-mentioned traverse type, the spoke holes (24) and (2) which are adjacent to each other are provided.
The distance from the edge of the retaining ring (20) of 4) alternates with the spoke.
The configuration is shifted by the shaft diameter of (3). In the case of this bicycle wheel, the spokes (3) and (3) are tensioned, so that the hub body can be grounded while the wheels are grounded.
Even if the rotational drive force is applied to (2), the rotational drive force of the hub body (2) is effectively transmitted to the rim (1) side.
【0022】尚、スポ−ク(3) の係止頭部(34)の近傍の
直線軸部をたわみ得る素材又は形状により構成すれば、
前記ずれは不要である。又、上記した凹陥部(27)は、係
止環(20)の周縁に開放する形状であるから、ハブ体(2)
の鍛造と同時に成形できる。尚、上記した実施例1及び
実施例2においては、係止環(20)の端縁の内周側あるい
は外周側に環状フランジ(22)が連設された構成とするこ
とによって、前記係止環(20)に作用する半径方向外向き
の力に対する強度を向上させている。従って、スポーク
(3)(3)に大きな引張力が作用した場合でも、係止環(20)
の端縁部が破損することがない。 [実施例3]図12から図14に示す実施例3は、スポ
ーク(3)(3)をハブ体(2) に組み付ける際の作業性を改善
したものである。If the linear shaft portion near the engaging head portion (34) of the spoke (3) is made of a flexible material or shape,
The shift is unnecessary. Further, since the above-mentioned recessed portion (27) is shaped to open to the peripheral edge of the locking ring (20), the hub body (2)
Can be formed at the same time as forging. In the first and second embodiments described above, the locking flange (20) is configured such that the annular flange (22) is continuously provided on the inner peripheral side or the outer peripheral side of the edge of the locking ring (20). The strength against the radially outward force acting on the ring (20) is improved. Therefore, the spoke
(3) Even if a large tensile force is applied to (3), the retaining ring (20)
The edge of the will not be damaged. [Embodiment 3] Embodiment 3 shown in FIGS. 12 to 14 is to improve workability when assembling the spokes (3) and (3) to the hub body (2).
【0023】このものは、図12に示すように、スポー
ク(3) を、その直線軸部と係止頭部(34)との間に、軸部
よりも大径で且つ係止頭部(34)より小径の首部(36)を設
けた構成とすると共に、各スポーク孔(24)から、ハブ体
(2) の軸線と平行な方向に係止環(20)の端縁に開放する
スリット(S) を形成し、このスリット(S) の幅を、スポ
ーク(3) の軸径よりも僅かに大きく且つ首部(36)よりも
小さく設定し、又、前記スポーク孔(24)の径を、首部(3
6)が丁度挿入可能な直径に設定したものである。As shown in FIG. 12, this one has a spoke (3) between the linear shaft portion and the locking head portion (34) having a larger diameter than the shaft portion and the locking head portion (34). 34) A neck portion (36) with a smaller diameter than that of the hub body is provided from each spoke hole (24).
Form a slit (S) that opens at the edge of the retaining ring (20) in a direction parallel to the axis of (2), and make the width of this slit (S) slightly smaller than the diameter of the spoke (3). The diameter of the spoke hole (24) is set larger than that of the neck (36) and smaller than that of the neck (36).
6) is set to a diameter that allows just insertion.
【0024】このものでは、スポーク(3) における首部
(36)の近傍の直線軸部を、スリット(S) の開放端からス
ライドさせてスポーク孔(24)に入れた後に、このスポー
ク(3) を係止環(20)の外周側に僅かに引っ張ると、係止
頭部(34)が凹陥部(26)にセットされると共に、首部(36)
がスポーク孔(24)に嵌入係合され、スポーク(3) が係止
環(20)に抜止め状態に係合される。In this one, the neck of the spoke (3)
Slide the linear shaft near the (36) into the spoke hole (24) by sliding it from the open end of the slit (S), and then slightly move the spoke (3) to the outer peripheral side of the locking ring (20). When pulled, the locking head (34) is set in the recess (26) and the neck (36)
Is engaged with the spoke hole (24), and the spoke (3) is engaged with the locking ring (20) in a retaining state.
【0025】従って、長いスポーク(3) を、ネジ部(35)
からスポーク孔(24)に挿通する必要がある実施例1及び
実施例2のものに比べて、スポーク(3) の組み付けの作
業性が向上する。そして、このものでは、スポーク(3)
が係止環(20)に係合されると、首部(36)がスポーク孔(2
4)に嵌入係合された状態となっているが、この状態で
は、スポーク(3) にフランジ(21)の外向きの力が作用し
ても、スリット(S) の幅が首部(36)の径よりも小さく設
定されていることから、この首部(36)が、スポーク孔(2
4)内からスリット(S) 内にずれることがなく、上記組み
付けの作業性が一層向上する。Therefore, attach the long spokes (3) to the threaded parts (35).
The workability of assembling the spokes (3) is improved as compared with the first and second embodiments in which the spokes (24) need to be inserted through. And in this one, the spokes (3)
Is engaged with the retaining ring (20), the neck (36) moves into the spoke hole (2
4) It is in the state of being fitted and engaged in this state, but in this state, even if the outward force of the flange (21) acts on the spoke (3), the width of the slit (S) becomes smaller than the neck (36). The neck (36) is smaller than the diameter of the spoke hole (2).
4) There is no deviation from the inside of the slit (S), and the workability of the above assembly is further improved.
【0026】尚、実施例1及び実施例2のスポーク孔(2
4)をスリット(S) を具備する形式とすることが可能であ
ることは言うまでもない。更に、この形式のものにおい
ては、図13に示すように、係止環(20)をフランジ(21)
の周縁から外向きに突出させた構成とすると共に、中央
にハブ筒(2a)の挿通孔を具備する皿状の補強円盤(C) を
前記係止環(20)の開放端部に、圧入あるいはネジ接続に
より密に外嵌させる構成とすれば、スリット(S) により
分断された前記係止環(20)の端縁の各部が連結されるこ
ととなるから、係止環(20)の半径方向外向きの力に対す
る強度が向上する。In addition, the spoke holes (2
It goes without saying that 4) can be a type having a slit (S). Further, in this type, as shown in FIG. 13, the locking ring (20) is attached to the flange (21).
It is configured to project outward from the peripheral edge of, and a dish-shaped reinforcing disk (C) having a hub tube (2a) insertion hole in the center is press-fitted into the open end of the locking ring (20). Alternatively, if it is configured to be tightly fitted by screw connection, each part of the edge of the locking ring (20) divided by the slit (S) will be connected, so that the locking ring (20) The strength against a radially outward force is improved.
【0027】又、このものでは、係止環(20)の端縁に多
数露出したスリット(S) の開放端が補強円盤(C) によっ
て被覆されるから、前記露出部の見苦しさが解消され
る。尚、この補強円盤(C) は、この実施例3以外のもの
にも採用可能である。更に、この実施例3の構成を採用
することによって、図14に示すように、ハブ体(2) の
両端部のフランジ(21)(21)の周縁に連設される係止環(2
0)の突出方向を前記周縁から内向きとした構成とするこ
とができる。 [実施例4]図15に示す実施例4は、実施例3におけ
るスリット(S) を、各スポーク孔(24)からフランジ(21)
の外周部に至る範囲に渡って形成し、フランジ(21)にお
ける前記スリット(S) の端部開口(28)をスポーク(3) の
係止頭部(34)及び首部(36)までが通過できる形状とした
ものである。Further, in this structure, since the open ends of the slits (S), which are exposed at the end edges of the locking ring (20), are covered with the reinforcing disc (C), the unsightly appearance of the exposed portion is eliminated. It The reinforcing disk (C) can be used for other than the third embodiment. Furthermore, by adopting the configuration of the third embodiment, as shown in FIG. 14, the locking rings (2) continuously provided on the peripheral edges of the flanges (21) (21) at both ends of the hub body (2).
The protruding direction of 0) may be inward from the peripheral edge. [Embodiment 4] In Embodiment 4 shown in FIG. 15, the slit (S) in Embodiment 3 is formed from each spoke hole (24) to the flange (21).
It is formed over the range to the outer peripheral part of the flange (21) and passes through the end opening (28) of the slit (S) in the flange (21) up to the locking head (34) and neck (36) of the spoke (3). It has a shape that allows it.
【0028】このものでは、上記実施例3と同様にして
組み付けられ、しかも、係止環(20)の外側端縁が実施例
3のようにスリット(S) により分断されないことから、
この係止環(20)の強度が向上する。This is assembled in the same manner as the third embodiment, and the outer edge of the retaining ring (20) is not divided by the slit (S) as in the third embodiment.
The strength of this locking ring (20) is improved.
【図1】従来技術におけるハブ体(2) とスポ−ク(3)(3)
との係合を示す説明図FIG. 1 Hub body (2) and spokes (3) (3) in the prior art
Explanatory diagram showing engagement with
【図2】実施例1におけるハブ体(2) の構成を示す説明
図FIG. 2 is an explanatory diagram showing the configuration of the hub body (2) in the first embodiment.
【図3】リム(1) とハブ体(2) の間にスポ−ク(3)(3)を
張設する方法の説明図FIG. 3 is an explanatory view of a method of tensioning the spokes (3) and (3) between the rim (1) and the hub body (2).
【図4】ハブ体(2) がハブ軸(HL)で軸支される状態を示
す説明図FIG. 4 is an explanatory view showing a state in which the hub body (2) is pivotally supported by the hub shaft (HL).
【図5】スポ−ク(3) の側面図FIG. 5: Side view of spoke (3)
【図6】スポ−ク(3) の正面図FIG. 6 is a front view of the spoke (3).
【図7】凹陥部(26)を示す要部断面図FIG. 7 is a cross-sectional view of a main part showing a recess (26).
【図8】溝(26a) を示す要部断面図FIG. 8 is a sectional view of a main part showing a groove (26a).
【図9】実施例2の係止環(20)の要部断面図FIG. 9 is a sectional view of an essential part of a locking ring (20) of Example 2.
【図10】実施例2の係止頭部(34)と凹陥部(27)の係合
を示す要部断面図FIG. 10 is a cross-sectional view of essential parts showing engagement of the locking head portion (34) and the recessed portion (27) of the second embodiment.
【図11】スポ−ク(3)(3)の交差を示す要部側面図FIG. 11 is a side view of an essential part showing an intersection of the spokes (3) and (3).
【図12】実施例3のスポーク(3) 及び係止環(20)を示
す要部説明図FIG. 12 is an explanatory view of essential parts showing a spoke (3) and a locking ring (20) of Example 3.
【図13】端縁全体を補強した係止環(20)の要部断面図FIG. 13 is a cross-sectional view of the main part of the locking ring (20) which has reinforced the entire edge.
【図14】フランジ(21)(21)の他の形式を示す説明図FIG. 14 is an explanatory view showing another form of the flange (21) (21).
【図15】実施例4のスポーク(3) 及び係止環(20)を示
す要部説明図FIG. 15 is an explanatory view of the essential parts showing the spokes (3) and the locking ring (20) of the fourth embodiment.
(1) ・・・リム (2) ・・・ハブ体 (3) ・・・スポ−ク (2a)・・・ハブ筒 (21)・・・フランジ (24)・・・被係止孔 (34)・・・係止頭部 (S) ・・・スリット (28)・・・端部開口 (C) ・・・補強円盤 (1) ・ ・ ・ Rim (2) ・ ・ ・ Hub body (3) ・ ・ ・ Spoke (2a) ・ ・ ・ Hub tube (21) ・ ・ ・ Flange (24) ・ ・ ・ Locked hole ( 34) ・ ・ ・ Locking head (S) ・ ・ ・ Slit (28) ・ ・ ・ End opening (C) ・ ・ ・ Reinforcing disk
【手続補正書】[Procedure amendment]
【提出日】平成5年7月14日[Submission date] July 14, 1993
【手続補正1】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】特許請求の範囲[Name of item to be amended] Claims
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【特許請求の範囲】[Claims]
【手続補正2】[Procedure Amendment 2]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】0017[Correction target item name] 0017
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【0017】尚、上記実施例では、各スポ−ク(3) の組
み付けに際して、スポ−ク(3) が共回りする可能性があ
るが、これを防止するには、図5から図8に示す構成が
採用できる。このものは、図5および図6に示すよう
に、各スポ−ク(3) の係止頭部(34)における係止環(20)
との対接側を、半球状の基部(34a) と、この基部(34a)
から側方に背向突出させた一対の略三角形状の舌片(6)
(6)とから構成し、その下縁(61)はスポーク(3) の軸線
に対して略直角に設定されている。又、図7および図8
に示すように、各スポーク孔(24)における係止環(20)の
内側の開放端部には、スポーク孔(24)と同心で且つ前記
基部(34a) が丁度嵌り込む大きさの半球状の凹陥部(26)
を設け、これら凹陥部(26)(26)の直径線を通り且つ係止
環(20)の周縁に沿うように断面矩形状の溝(26a) を設け
た構成としている。尚、この溝(26a) の幅は、舌片(6)
(6)が丁度嵌り込む大きさに設定している。In the above embodiment, there is a possibility that the spokes (3) may rotate together when the spokes (3) are assembled. The configuration shown can be adopted. As shown in FIG. 5 and FIG. 6, this has a retaining ring (20) in the retaining head (34) of each spoke (3).
The hemispherical base (34a) and the base (34a)
A pair of generally triangular tongues protruding laterally from (6)
(6) and its lower edge (61) is the axis of the spoke (3)
Is set at a right angle to. In addition, FIGS. 7 and 8
As shown in, the open end of the inner retaining ring (20) in each spoke hole (24), spoke holes (24) concentric with and said base (34a) just fits Komu size of hemispherical Recesses (26)
Is provided, and a groove (26a) having a rectangular cross section is provided so as to pass through the diameter lines of the recessed portions (26) (26) and along the peripheral edge of the locking ring (20). The width of this groove (26a) is the width of the tongue (6).
(6) is set to fit exactly.
【手続補正3】[Procedure 3]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】0018[Correction target item name] 0018
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【0018】このものでは、スポ−ク(3) をスポーク孔
(24)に挿入して、舌片(6)(6)が溝(26a) に嵌入係合され
た状態とすると、スポーク(3) の回動が前記係合により
阻止され、ニップル(N) をネジ部(35)に螺合する際にス
ポ−ク(3) が共回りすることがない。尚、上記ハブ体
(2) の生産性を高めるために、前記溝(26a) を、基部(3
4a) の断面に適合する半円形の断面とし、この溝(26a)
に係止頭部(34)の基部(34a) 及び舌片(6)(6)が収容され
る構成としてもよい。この場合は、上記実施例と同様
に、溝(26a) の断面の底部中央部にスポーク孔(24)(24)
が形成されることとなるが、上記のように、基部(34a)
は半球状となっており、これの断面と溝(26a) の半円形
の断面とが適合することから、この溝(26a) が上記の凹
陥部(26)としても機能する。 In this case, the spoke (3) is provided with a spoke hole.
When the tongue pieces (6) and (6) are inserted into the groove (26a) and engaged with the tongue pieces (6) and (24), rotation of the spokes (3) is blocked by the engagement, and the nipple (N) The spoke (3) does not rotate together when the screw is screwed into the screw part (35). The above hub body
In order to increase the productivity of (2), the groove (26a) is formed in the base (3
A semi-circular cross section that matches the cross section of 4a), and this groove (26a)
The base portion (34a) of the locking head portion (34) and the tongue pieces (6) and (6) may be housed inside. In this case, the same as in the above embodiment
At the bottom center of the groove (26a) cross section, the spoke holes (24) (24)
However, as described above, the base (34a) is formed.
Is a hemisphere, its cross section and the semicircle of the groove (26a)
This groove (26a) is
It also functions as a recess (26).
【手続補正4】[Procedure amendment 4]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】0019[Correction target item name] 0019
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【0019】このものでは、スポ−ク(3) をスポーク孔
(24)に挿入して、係止頭部(34)が溝(26a) に嵌入係合さ
れた状態とすると、舌片(6)(6)の下縁(61)が溝(26a) の
断面の中心線上に位置することとなる。この状態で、こ
の舌片(6)(6)の下縁(61)が溝(26a) 内で旋回するには、
これの対接面が平行でなければならないが、溝(26a)
は、上記のように、半円形断面となっていることから、
回動が阻止される。従って、前記螺合に際して、スポ−
ク(3) が共回りすることがない。 [実施例2]図9から図11に示す実施例2は、スポ−
ク(3)(3)の張設形式を、スポ−ク(3)(3)がフランジ(21)
の接線方向に張設され且つ隣接するスポ−ク(3)(3)が交
差された綾取り形式とし、そして、スポ−ク(3) の共回
り防止のために、係止頭部(34)を、スポ−ク(3) の直線
軸部と直交するように設けられた円柱体とすると共に、
スポ−ク孔(24)における係止環(20)の内側の開放端部
に、前記係止頭部(34)が丁度嵌り込む大きさの断面円弧
状に形成された凹陥部(27)を設けたものである。In this case, the spoke (3) is provided with a spoke hole.
When it is inserted into (24) and the locking head (34) is fitted and engaged in the groove (26a), the lower edges (61) of the tongues (6) and (6 ) are aligned with the groove (26a).
It will be located on the center line of the cross section. In this state,
The lower edge (61) of the tongues (6) (6) of the swivel in the groove (26a)
Grooves (26a) although their facing surfaces must be parallel
Is a semi-circular cross section as described above,
Rotation is blocked. Therefore, at the time of screwing,
Ku (3) does not rotate together. [Embodiment 2] Embodiment 2 shown in FIGS.
Spoke (3) (3) is installed on the spoke (3) (3) with a flange (21).
Tangential direction and adjacent spokes (3) (3) are crossed, and the locking head (34) is provided to prevent co-rotation of the spokes (3). Is a cylinder provided so as to be orthogonal to the linear shaft of the spoke (3), and
At the open end of the inside of the retaining ring (20) in the spoke hole (24), there is formed a recessed portion (27) formed in an arc-shaped cross section having a size to fit the retaining head (34). It is provided.
【手続補正5】[Procedure Amendment 5]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図5[Name of item to be corrected] Figure 5
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【図5】 [Figure 5]
Claims (7)
1)を配設したハブ体(2) の前記フランジ(21)(21)とリム
(1) との間にスポ−ク(3)(3)を張設した形式の自転車用
車輪において、各スポーク(3) は直線状軸部の一端に係
止頭部(34)を具備させた構成とし、フランジ(21)の周縁
にはハブの軸線方向に突出させた係止環(20)を連設し、
この係止環(20)に所定のピッチで多数のスポーク孔(24)
(24)を貫通形成し、前記各スポ−ク(3) を前記スポーク
孔(24)に係止環(20)の内周側から挿通させてその係止頭
部(34)が前記係止環(20)に係合するようにした自転車用
車輪。1. A flange (21) (2) near both ends of the hub barrel (2a).
The flange (21) (21) and the rim of the hub body (2) in which 1) is arranged
In a bicycle wheel in which the spokes (3) and (3) are stretched between the spokes (3) and (1), each spoke (3) has a locking head (34) at one end of the linear shaft. With the above configuration, a locking ring (20) protruding in the axial direction of the hub is continuously provided on the periphery of the flange (21).
This spoke ring (20) has a large number of spoke holes (24) at a specified pitch.
(24) is formed so that the spokes (3) are inserted into the spoke holes (24) from the inner peripheral side of the locking ring (20), and the locking heads (34) are locked. Bicycle wheel adapted to engage the annulus (20).
4)との間に回り止め手段を介在させた請求項1に記載の
自転車用車輪。2. The retaining ring (20) and the retaining head (3) of the spoke (3).
The bicycle wheel according to claim 1, wherein a detent means is interposed between the wheel and the bicycle wheel.
4)との対接部に於いて前記係止環(20)の内周面に形成し
た溝(26a) と、前記係止頭部(34)から突出して前記溝(2
6a) 内に嵌入する舌片(6) とから構成した請求項2に記
載の自転車用車輪。3. The detent means comprises a retaining ring (20) and a retaining head (3).
4) a groove (26a) formed on the inner peripheral surface of the locking ring (20) at a portion facing the locking ring (20) and the groove (2a) protruding from the locking head (34).
A bicycle wheel according to claim 2, characterized in that it comprises a tongue (6) fitted inside.
して直交する略円柱状の係止頭部(34)と、係止環(20)の
両端内周側にハブ体(2) の軸線と平行に配設され且前記
係止頭部(34)の断面の一部を収容する円弧状断面の凹陥
部(26)との組み合わせとした請求項2に記載の自転車用
車輪。4. The locking means comprises a substantially cylindrical locking head (34) orthogonal to the shaft of the spoke (3), and a hub on the inner peripheral side of both ends of the locking ring (20). A bicycle according to claim 2, in combination with a recess (26) having an arcuate cross section which is arranged parallel to the axis of the body (2) and accommodates a part of the cross section of the locking head (34). Wheels.
縁に開放するスリット(S) を形成し、このスリット(S)
の幅を、スポーク(3) の軸径よりも僅かに大きく且つ係
止頭部(34)より小さく設定した請求項1から請求項4に
記載の自転車用車輪。5. A slit (S) that opens from the end of the retaining ring (20) is formed from each spoke hole (24), and this slit (S) is formed.
The bicycle wheel according to any one of claims 1 to 4, wherein the width of the wheel is set to be slightly larger than the shaft diameter of the spoke (3) and smaller than the locking head (34).
ランジ(21)の外周部に至る範囲に渡って形成し、フラン
ジ(21)における前記スリット(S) の端部開口(28)の大き
さをスポーク(3) の係止頭部(34)が遊挿可能な大きさに
設定した請求項5に記載の自転車用車輪。6. The slit (S) is formed over the range from each spoke hole (24) to the outer periphery of the flange (21), and the end opening (28) of the slit (S) in the flange (21). The bicycle wheel according to claim 5, wherein the size of the wheel is set so that the locking heads (34) of the spokes (3) can be loosely inserted.
向きに突出させ、中央に車軸挿通孔を具備する皿状の補
強円盤(C) を前記係止環(20)の開放端部に密に外嵌した
請求項1から請求項5に記載の自転車用車輪。7. A dish-shaped reinforcing disk (C) having an axle insertion hole at the center thereof, wherein a retaining ring (20) is projected outward from the peripheral edge of the flange (21), and a dish-shaped reinforcing disc (C) is provided on the retaining ring (20). The bicycle wheel according to any one of claims 1 to 5, which is tightly fitted on the open end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14225593A JPH06219101A (en) | 1992-12-02 | 1993-06-14 | Bicycle wheel |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4-323439 | 1992-12-02 | ||
JP32343992 | 1992-12-02 | ||
JP14225593A JPH06219101A (en) | 1992-12-02 | 1993-06-14 | Bicycle wheel |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH06219101A true JPH06219101A (en) | 1994-08-09 |
Family
ID=26474325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14225593A Pending JPH06219101A (en) | 1992-12-02 | 1993-06-14 | Bicycle wheel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH06219101A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006021765A (en) * | 2004-07-09 | 2006-01-26 | Campagnolo Spa | Hub body for bicycle wheel, and hub having the hub body |
US7374251B2 (en) * | 2005-10-20 | 2008-05-20 | Shimano Inc. | Connection of Spokes to hub and rim in bicycle wheel |
JP2008285158A (en) * | 1995-05-26 | 2008-11-27 | Campagnolo Spa | Hub for bicycle and wheel furnished with the hub |
US20120242139A1 (en) * | 2009-09-07 | 2012-09-27 | Guido Cappellotto | Wheel spoke |
WO2013114779A1 (en) * | 2012-02-03 | 2013-08-08 | 株式会社近藤機械製作所 | Bicycle hub unit |
-
1993
- 1993-06-14 JP JP14225593A patent/JPH06219101A/en active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008285158A (en) * | 1995-05-26 | 2008-11-27 | Campagnolo Spa | Hub for bicycle and wheel furnished with the hub |
JP2006021765A (en) * | 2004-07-09 | 2006-01-26 | Campagnolo Spa | Hub body for bicycle wheel, and hub having the hub body |
US7967392B2 (en) | 2004-07-09 | 2011-06-28 | Campagnolo S.R.L. | Hub body for a bicycle wheel and hub comprising such a hub body |
US7374251B2 (en) * | 2005-10-20 | 2008-05-20 | Shimano Inc. | Connection of Spokes to hub and rim in bicycle wheel |
US20120242139A1 (en) * | 2009-09-07 | 2012-09-27 | Guido Cappellotto | Wheel spoke |
US9056521B2 (en) * | 2009-09-07 | 2015-06-16 | Alpina Raggi, S.P.A. | Wheel spoke |
WO2013114779A1 (en) * | 2012-02-03 | 2013-08-08 | 株式会社近藤機械製作所 | Bicycle hub unit |
JP2013159189A (en) * | 2012-02-03 | 2013-08-19 | Kondo Kikai Seisakusho:Kk | Bicycle hub unit |
EP2810788A4 (en) * | 2012-02-03 | 2016-03-30 | Kondo Machine Co Ltd | Bicycle hub unit |
AU2012368534B2 (en) * | 2012-02-03 | 2017-01-05 | Kondo Machine Co., Ltd | Bicycle hub unit |
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