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    • 41. 发明授权
    • Bicycle crank arm parts/assembly and assembly tools
    • 自行车曲柄臂部件/组装和装配工具
    • US06276885B1
    • 2001-08-21
    • US08890744
    • 1997-07-11
    • Masahiro Yamanaka
    • Masahiro Yamanaka
    • F16B2300
    • F16B35/048B25B13/48B25B27/0071B62M3/00B62M3/003F16B35/06F16B2037/007Y10T74/2164Y10T74/2165
    • A crank axle includes an axle body having first and second ends, a first rotary linkage member disposed at the first end of the axle body for nonrotatably fitting a first crank arm thereto, and a first centering structure disposed at the first end of the axle body in close proximity to the first rotary linkage member. If desired, the rotary linkage member may be formed as a plurality of splines, and the same structure may be formed at the second end. A crank arm for fitting to the crank axle includes a crank axle mounting section having a centering structure for centering the crank axle mounting section to an end of a crank axle, and a rotary linkage member for nonrotatably fitting the crank axle mounting section to the end of the crank axle, a special bolt is used to fix the crank arm to the crank axle. The bolt includes a head, a threaded section having a diameter greater than or equal to the head, and a flange disposed between the head and the threaded section. The flange preferably has a diameter greater than the diameter of the threaded section, and the head defines a multiple-sided tool-engaging hole which extends axially into the threaded section to maximize the tool engaging surface. The crank axle mounting section of the crank arm preferably includes a stop ring or similar structure located so that the flange of the bolt is disposed between the stop ring and the first end of the axle body. As a result, the bolt flange presses the crank arm apart from the crank axle when the bolt is loosened. Special tools may be provided to allow easy installation and removal of the components.
    • 曲柄轴包括具有第一和第二端的轴体,设置在车轴主体的第一端处的第一旋转连杆构件,用于不可转动地将第一曲柄臂装配到其上,以及设置在车轴主体的第一端的第一定心结构 紧邻第一旋转连杆构件。 如果需要,旋转连杆构件可以形成为多个花键,并且在第二端可以形成相同的结构。 用于装配到曲轴的曲柄臂包括具有定心结构的曲柄轴安装部分,该定心结构用于将曲柄轴安装部分对准曲柄轴的端部;以及旋转连杆部件,用于将曲柄轴安装部分不可旋转地装配到末端 曲柄轴的一个特殊的螺栓用于将曲柄臂固定到曲轴上。 螺栓包括头部,具有大于或等于头部直径的螺纹部分,以及设置在头部和螺纹部分之间的凸缘。 凸缘优选地具有大于螺纹部分的直径的直径,并且头部限定了多边工具接合孔,其轴向延伸到螺纹部分中以最大化工具接合表面。 曲柄臂的曲柄轴安装部优选地包括止动环或类似的结构,其定位成使得螺栓的凸缘设置在止动环和轴体的第一端之间。 结果,当螺栓松动时,螺栓法兰将曲柄臂压向曲柄轴。 可以提供特殊工具以允许容易地安装和拆卸部件。
    • 42. 发明授权
    • Hollow bicycle crank and method for manufacturing same
    • 空心自行车曲柄及其制造方法
    • US6058803A
    • 2000-05-09
    • US993448
    • 1997-12-18
    • Masahiro Yamanaka
    • Masahiro Yamanaka
    • B62M3/00G05G1/14
    • B21J5/00B21J5/002B21K17/00B21K21/00B22D21/007B22D23/00B22D31/002B62M3/00Y10T29/49622Y10T29/49989Y10T29/49995Y10T74/2164
    • A crank arm for a bicycle includes a crank arm body having a pedal attachment hole on a first end thereof and a spindle attachment hole on a second end thereof. The crank arm body defines an elongated interior cavity, wherein the interior cavity is open to an exterior of the crank arm body. The opening can be used to access the cavity during and after manufacturing. In the method used to form the crank arm body according to the present invention, a sand mold core is positioned into a casting mold so that a melt space is formed around the sand mold core, molten metal is poured into the casting mold, and the molten metal is solidified to form a crank billet. Sand is preferably removed through an opening in the crank billet. This may be accomplished by drilling the crank billet to form the pedal attachment hole in a location that communicates with the sand mold and then removing sand through the pedal attachment hole.
    • 用于自行车的曲柄臂包括:曲柄臂本体,其在其第一端上具有踏板安装孔,在其第二端具有主轴安装孔。 曲柄臂体限定细长的内部空腔,其中内部空腔向曲柄臂主体的外部敞开。 该开口可用于在制造期间和之后进入空腔。 在根据本发明的用于形成曲柄臂主体的方法中,将砂模芯定位在铸模中,使得在砂模芯周围形成熔融空间,将熔融金属倒入铸模中, 熔融金属固化形成曲柄坯料。 沙子优选通过曲柄坯料中的开口去除。 这可以通过钻出曲柄坯料以在与砂模连通并且然后通过踏板附接孔除去砂的位置形成踏板附接孔来实现。
    • 43. 发明授权
    • Bicycle crank arm
    • 自行车曲柄臂
    • US5904072A
    • 1999-05-18
    • US770501
    • 1996-12-20
    • Masahiro Yamanaka
    • Masahiro Yamanaka
    • B62M3/00G05G1/14
    • B62M3/00Y10T74/2164Y10T74/2165
    • A bicycle crank arm assembly for a bicycle which is designed for mounting a sprocket thereto. The crank arm has a centrally located hub portion, a crank portion extending radially outwardly from the hub portion and at least three fastening fingers extending radially outwardly from the hub portion. The fastening fingers are designed to have substantially the same stiffness at their free ends. This can be accomplished in a variety of ways such as change the cross-section of the fastening fingers adjacent the crank portion or changing the shape of the sprocket mounting portions of the fastening fingers. Also, in certain embodiments, the fastening fingers adjacent the crank portion are constructed such that their rear surfaces lie in the same plane as the rear surface of the crank portion adjacent thereto, or in a lower plane.
    • 一种用于自行车的自行车曲柄臂组件,其被设计用于将链轮安装到其上。 曲柄臂具有中心定位的轮毂部分,曲柄部分从轮毂部分径向向外延伸,并且至少三个紧固指状件从轮毂部分径向向外延伸。 紧固指被设计成在其自由端处具有基本相同的刚度。 这可以以各种方式实现,例如改变邻近曲柄部分的紧固指的横截面或改变紧固指的链轮安装部分的形状。 而且,在某些实施例中,紧邻曲柄部分的紧固指的构造使得它们的后表面位于与相邻的曲柄部分的后表面相同的平面中,或者在下平面中。
    • 47. 发明授权
    • Bicycle bottom bracket assembly
    • 自行车底托组件
    • US08267417B1
    • 2012-09-18
    • US13208386
    • 2011-08-12
    • Masahiro Yamanaka
    • Masahiro Yamanaka
    • B62M1/02
    • B62M3/003Y10T74/2164
    • A bicycle bottom bracket assembly is at least provided with a first support member and a first bearing unit. The first support member includes a first hanger mounting part and a first bearing mounting part. The first bearing unit is coupled to the first bearing mounting part. The first hanger mounting part has a first outer circumferential surface that is configured and arranged to be press-fitted into a first open end of a hanger part of a bicycle frame. The first hanger mounting part has a first slit extending in an axial direction relative to a rotational axis of the first bearing unit from an open axial innermost end of the first slit at least up to a region that is located radially outwardly from the first bearing unit in a radial direction relative to the rotational axis of the first bearing unit.
    • 自行车底托架组件至少设置有第一支撑构件和第一轴承单元。 第一支撑构件包括第一悬挂架安装部和第一轴承安装部。 第一轴承单元联接到第一轴承安装部。 第一衣架安装部具有第一外周面,其被构造和布置成压配合到自行车车架的吊架部分的第一开口端中。 第一衣架安装部分具有第一狭缝,其相对于第一轴承单元的旋转轴线在轴向方向上从第一狭缝的开放的轴向最内端延伸,至少直到第一轴承单元径向向外定位的区域 在相对于第一轴承单元的旋转轴线的径向方向上。
    • 48. 发明授权
    • Bicycle crank axle with a radial projection
    • 自行车曲轴与径向投影
    • US07856903B2
    • 2010-12-28
    • US11613130
    • 2006-12-19
    • Masahiro YamanakaEtsuyoshi Watarai
    • Masahiro YamanakaEtsuyoshi Watarai
    • B62M3/00
    • B62M3/003B62M3/00Y10T74/2164Y10T74/2165Y10T74/2168
    • A bicycle crank axle comprises an axle body having first and second end portions, a plurality of first splines disposed at the first end portion of the axle body, a plurality of second splines disposed at the second end portion of the axle body, and a projection extending radially outwardly from the first end portion of the axle body, wherein the projection is structured to abut against a lateral outer surface of a bicycle crank arm to prevent the bicycle crank arm from moving axially outward. A separate projecting member is mounted to the first end of the axle body to form the projection. The plurality of first splines extend radially outwardly from an outer peripheral surface of the axle body for engaging a splined surface of the bicycle crank arm, but the plurality of second splines do not extend radially outwardly relative to the outer peripheral surface of the axle body.
    • 一种自行车曲柄轴包括具有第一和第二端部的轴体,设置在轴体的第一端部处的多个第一花键,设置在车轴主体的第二端部处的多个第二花键,以及突出部 从所述车轴的所述第一端部径向向外延伸,其中所述突起被构造成抵靠自行车曲柄臂的侧向外表面,以防止所述自行车曲柄臂轴向向外移动。 单独的突出构件安装到车轴的第一端以形成突起。 多个第一花键从轴体的外周表面径向向外延伸,用于接合自行车曲柄臂的花键表面,但是多个第二花键不相对于车轴外周表面径向向外延伸。
    • 49. 发明申请
    • FAULT DETECTION AND SHUTDOWN CONTROL CIRCUITS AND METHODS FOR ELECTRONIC BALLASTS
    • 故障检测和关断控制电路及电子绕线方法
    • US20100270932A1
    • 2010-10-28
    • US12767540
    • 2010-04-26
    • Naoki OnishiHiroyuki AsanoTetsuya HamanaMasahiro Yamanaka
    • Naoki OnishiHiroyuki AsanoTetsuya HamanaMasahiro Yamanaka
    • H05B41/36
    • H05B41/295H05B41/2981
    • An electronic ballast is capable of inhibiting ballast shutdown caused by erroneously determining a fault condition. The ballast includes a DC power supply circuit for outputting DC power, a power conversion circuit that appropriately converts DC power outputted by the DC power supply circuit and outputs it to a discharge lamp, a DC voltage droop detection circuit for determining existence/absence of a fault condition in the DC power supply circuit 1, a lamp end of life detection circuit for determining existence/absence of a fault condition of the discharge lamp; and a sequence control circuit and a shutdown control circuit that control at least the power conversion circuit according to detection by the DC voltage droop detection circuit the discharge lamp life detection circuit. When a fault is determined in both the DC voltage droop detection circuit and the discharge lamp life detection circuit, an operation according to the detection of the DC voltage droop detection circuit, the sequence control circuit lowers the output of the power conversion circuit 2 is performed in priority to an operation that, according to the detection of the discharge lamp life detection circuit, the shutdown control circuit shuts down the power conversion circuit
    • 电子镇流器能够抑制由错误地确定故障状况引起的镇流器关闭。 镇流器包括用于输出直流电力的DC电源电路,适当地转换由直流电源电路输出的直流电力并将其输出到放电灯的电力转换电路,用于确定是否存在直流电源的直流电压下降检测电路 直流电源电路1中的故障状态,用于确定放电灯的故障状况的存在/不存在的寿命检测电路的灯端; 以及根据直流电压下降检测电路检测放电灯寿命检测电路的至少控制功率转换电路的顺序控制电路和停机控制电路。 当在直流电压下降检测电路和放电灯寿命检测电路中确定故障时,根据直流电压下降检测电路的检测进行的操作,顺序控制电路降低电力转换电路2的输出 优选的是,根据放电灯寿命检测电路的检测,关闭控制电路关闭电力转换电路
    • 50. 发明申请
    • BICYCLE AXLE ASSEMBLY
    • 自行车轴组件
    • US20080247695A1
    • 2008-10-09
    • US11697331
    • 2007-04-06
    • Masahiro Yamanaka
    • Masahiro Yamanaka
    • F16C3/08
    • F16C3/08
    • A bicycle axle assembly is provided with an axle including a rotational axis, a bearing, a bearing adapter and a conical element. The bearing includes a cone disposed on the axle, a cup and a plurality of roller elements disposed between the cone and the cup such that the cup rotates relative to the cone about the rotational axis. The bearing adapter includes a tubular mounting section for mounting to a tubular member and a bearing housing section housing the bearing therein. The bearing housing section has a tapered abutment angled relative to the rotational axis at a first abutment angle and contacting a tapered contact surface of the cup. The conical element is disposed on the axle. The conical element has a tapered abutment angled relative to the rotational axis at a second abutment angle and contacting a tapered contact surface of the first cone. The second abutment angle of the tapered abutment of the conical element is smaller than the first abutment angle of the bearing housing section.
    • 自行车车轴组件设置有包括旋转轴线,轴承,轴承适配器和圆锥形元件的轴。 轴承包括设置在轴上的锥体,杯和设置在锥体和杯之间的多个辊元件,使得杯相对于锥体围绕旋转轴线旋转。 轴承适配器包括用于安装到管状构件的管状安装部分和将轴承容纳在其中的轴承壳体部分。 轴承壳体部分具有相对于旋转轴线以第一邻接角度成角度的锥形支座,并接触杯的锥形接触表面。 锥形元件设置在轴上。 圆锥形元件具有相对于旋转轴线在第二邻接角度处成角度的锥形邻接并接触第一锥体的锥形接触表面。 锥形元件的锥形接合部的第二抵接角度小于轴承座部分的第一邻接角度。