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公开(公告)号：US06213425B1
公开(公告)日：2001-04-10
申请号：US08869054
申请日：1997-06-04
IPC分类号： B65H7512
CPC分类号： G11B23/08728 , G11B23/037
摘要： A tape reel for a tape cassette capable of substantially preventing deformation thereof, even when it is thin-walled to substantially reduce a cycle time required for a molding step of the tape reel. The tape reel includes a reel hub and a disc-like flange. Reinforcing ribs include an annular rib arranged on an outer periphery of a disc-like flange and a plurality of linear ribs arranged on an outer surface of the disc-like flange so as to extend from a core stabilizing surface rib to the annular rib. The linear ribs are so arranged that each of the linear ribs intersects at least one of the other linear ribs at a position which is further than a midpoint between the core stabilizing surface rib and the annular rib.
摘要翻译： 即使是薄壁化，也能够大幅度地防止其变形的磁带盒用磁带卷盘，从而大大减少了磁带卷盘的成型步骤所需的循环时间。 磁带卷盘包括一个卷轴轮毂和一个盘形凸缘。 加强肋包括布置在盘形凸缘的外周上的环形肋和布置在盘形凸缘的外表面上的多个直线肋，以便从芯稳定表面肋延伸到环形肋。 线性肋被布置成使得每个线性肋条在至少一个其它线性肋条之间的位置比在芯子稳定表面肋和环形肋条之间的中点更远的位置相交。
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公开(公告)号：US5593103A
公开(公告)日：1997-01-14
申请号：US245488
申请日：1994-05-18
申请人： Masatoshi Okamura , Hiroshi Kaneda
发明人： Masatoshi Okamura , Hiroshi Kaneda
IPC分类号： G11B23/087 , F16F1/18 , G11B23/03 , G11B23/04
CPC分类号： F16F1/185 , G11B23/0307 , G11B23/044
摘要： A reel spring for tape cassettes includes at least two mounting holes which are formed in the base portion at opposite sides with respect to a tape reel centerline connecting reel centers and in such a manner to be spaced in the direction of the tape reel centerline, and which is used for melt-bonding with the cassette housing. The base portion is arranged so as to have a center laid on the tape reel centerlines, respective end portions are arranged so as to have their centerlines passed through respective contact points for urging a pair of tape reels, extended in parallel with each other and deviated with respect to the tape reel centerlines. The width of the base portion is substantially the same as that of the end portions. The reel spring is prepared through a cutting step for cutting a stock up to positioning holes from opposite edges of the stock so that the cutting is made with the same width as the width of a reel spring end portion, along separation lines which deviate with respect to the tape reel centerline, extend in parallel with one another and pass in the vicinity of the mounting holes, the separation lines including separation lines for reel spring end portions at one side and separation lines for reel spring end portions at the other side which are out of alignment.
摘要翻译： 用于带盒的卷轴弹簧包括至少两个安装孔，该安装孔相对于连接卷轴中心的带卷轴中心线的相对侧的基部形成，并且沿着磁带卷轴中心线的方向间隔开，并且 其用于与盒壳体熔融粘合。 基部被布置成具有放置在带卷轴中心线上的中心，各个端部布置成使其中心线通过各自的接触点，用于推动彼此平行延伸的一对带盘，并且偏离 相对于磁带卷轴中心线。 基部的宽度与端部的宽度基本相同。 通过切割步骤准备卷轴弹簧，该切割步骤用于从库存的相对边缘切割库存定位孔，使得切割以与卷轴弹簧端部的宽度相同的宽度，沿着相对于 磁带卷轴中心线彼此平行地延伸并通过安装孔附近，分离线包括用于一侧的卷轴弹簧端部的分离线和另一侧的卷轴弹簧端部的分离线 不对齐。
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公开(公告)号：US5540399A
公开(公告)日：1996-07-30
申请号：US177317
申请日：1994-01-04
申请人： Hiroshi Kaneda , Masatoshi Okamura
发明人： Hiroshi Kaneda , Masatoshi Okamura
IPC分类号： G11B23/087 , G11B23/04
CPC分类号： G11B23/08785 , G11B23/08757
摘要： A tape cassette comprises a cassette casing composed of an upper casing and a lower casing; a pair of tape reels rotatably installed in the cassette casing and wound with a tape; a guide pin for controlling a running position of the tape; and a rotatable opening and closing lid for covering an opening portion of the cassette casing for drawing out the tape. A protrusion or protrusions are provided for restraining a height of the guide pin on a bottom face of a recess for inserting the guide pin provided on an inner face of the upper casing.
摘要翻译： 磁带盒包括由上壳体和下壳体组成的盒壳体; 一对可旋转地安装在盒壳体中并用带缠绕的磁带盘; 用于控制带的运行位置的引导销; 以及可旋转的打开和关闭盖，用于覆盖盒壳体的开口部分以拉出带子。 提供了一个突起或凸起，用于将引导销的高度限制在用于插入设置在上壳体的内表面上的引导销的凹槽的底面上。
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公开(公告)号：US5189583A
公开(公告)日：1993-02-23
申请号：US673079
申请日：1991-03-21
申请人： Masatoshi Okamura , Hiroshi Kaneda
发明人： Masatoshi Okamura , Hiroshi Kaneda
IPC分类号： G11B23/087
CPC分类号： G11B23/08785 , G11B23/08728
摘要： A magnetic tape cassette comprises a casing formed with upper and lower half casings and reel hubs rotatably supported in the casing to wind and rewind a magnetic tape, wherein at least one of the upper and lower half casings has ribs in the reel areas in the inner sufrface of the base plate so that a number of recesses are formed by the ribs, and wherein the depth of the recesses produced by forming the ribs is varied in correspondence to the degree of roughness of the outer surface of the base plate which is determined by requirements in designing the half casing having the ribs.
摘要翻译： 磁带盒包括形成有上半壳体和下半壳体的壳体和可旋转地支撑在壳体中的卷轴毂，以卷绕和重绕磁带，其中上半壳体和下半壳体中的至少一个在内部的卷轴区域中具有肋 使得通过肋形成多个凹部，并且其中通过形成肋而产生的凹部的深度对应于基板的外表面的粗糙程度而变化，该粗糙度由 设计具有肋的半壳体的要求。
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公开(公告)号：US5068146A
公开(公告)日：1991-11-26
申请号：US318260
申请日：1989-03-03
IPC分类号： B32B9/00 , C08F2/00 , C08F2/44 , C08F2/52 , C08J7/18 , C23C16/44 , C23C16/50 , C23C16/511 , G11B23/02 , G11B23/03 , G11B23/087
CPC分类号： G11B23/08764 , Y10S428/90 , Y10T428/265 , Y10T428/31678
摘要： A plasma-polymerized film is formed by depositing and polymerizing a metal element-containing material forming an electrode and a gaseous polymerizable carbon-containing reactant in a plasma atmosphere. The polymerized film contains the metal element Mt and carbon C in an atomic ratio Mt/(C+Mt) of at least 1/100. The polymerized film is prepared under a condition W/(F.M) of at least 10.sup.8 joule/kg wherein W is a power applied for plasma generation in joule/sec., F is a flow rate of the gaseous reactant, and M is the molecular weight of the gaseous reactant, F.M being expressed in kg/sec. Such a polymerized film is advantageously applied as a coating to a surface of a member which constructs or is disposed in a casing in which a tape or disk-shaped medium is received for travel or rotating motion.
摘要翻译： 通过在等离子体气氛中沉积并聚合形成电极和气态可聚合含碳反应物的含金属元素的材料来形成等离子体聚合膜。 聚合膜含有原子比Mt /（C + Mt）至少为1/100的金属元素Mt和碳C。 在至少108焦耳/ kg的条件W /（FM）下制备聚合的膜，其中W是焦耳/秒中等离子体产生的功率，F是气态反应物的流速，M是分子 气体反应物的重量，FM以kg / sec表示。 这种聚合膜有利地作为涂层施加到构造或设置在壳体中的构件的表面，其中接收带或盘形介质用于行进或旋转运动。
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公开(公告)号：US4863116A
公开(公告)日：1989-09-05
申请号：US457257
申请日：1983-01-12
申请人： Michio Iizuka , Haruo Shiba , Masatoshi Okamura
发明人： Michio Iizuka , Haruo Shiba , Masatoshi Okamura
IPC分类号： G11B23/087
CPC分类号： G11B23/08757 , Y10S242/914
摘要： An improved guide member assembly in a cassette for guiding the travel of web-like data carrying material includes a support base provided on the cassette, a supporting shaft mounted on the support base, guide means rotatably mounted on the supporting shaft having a peripheral data carrying material guiding surface and fluid lubricant disposed between the supporting shaft and guide means. A device is provided for reliably preventing any of such fluid lubricant from accumulating on and adhering to the data carrying material guiding surface of the guide means.
摘要翻译： 用于引导网状数据承载材料的行进的盒中的改进的引导构件组件包括设置在盒上的支撑基座，安装在支撑基座上的支撑轴，可旋转地安装在支撑轴上的引导装置， 配置在支承轴与引导装置之间的材料引导面和流体润滑剂。 提供了一种用于可靠地防止任何这种流体润滑剂积聚并附着在引导装置的数据承载材料引导表面上的装置。
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公开(公告)号：US4546936A
公开(公告)日：1985-10-15
申请号：US589315
申请日：1984-03-14
IPC分类号： G11B23/087 , G03B1/04 , G11B15/32
CPC分类号： G11B23/087
摘要： A magnetic tape cassette comprises upper and lower casings to be assembled together and tape reels held in the assembled casings wherein the lower casing is provided with first reference holes at positions corresponding to reference pins formed in a magnetic tape cassette deck, to be fitted into the pins and second reference holes are formed in the upper casing so as to have the same center axis as that of the first reference holes, dimensions of all structural elements of the upper and lower casings being determined on the basis of both the reference holes.
摘要翻译： 磁带盒包括要组装在一起的上壳体和下壳体，以及保持在组装壳体中的磁带盘，其中下壳体在对应于形成在磁带盒甲板中的参考销钉的位置处设置有第一参考孔，以装配到 销和第二参考孔形成在上壳体中以具有与第一参考孔相同的中心轴，上壳体和下壳体的所有结构元件的尺寸基于两个参考孔确定。
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公开(公告)号：US4457474A
公开(公告)日：1984-07-03
申请号：US382764
申请日：1982-05-27
申请人： Masatoshi Okamura , Haruo Shiba
发明人： Masatoshi Okamura , Haruo Shiba
IPC分类号： G11B23/087 , G11B15/32
CPC分类号： G11B23/08728 , Y10S242/912
摘要： A combination of feeding and take-up reels in a magnetic tape cartridge comprises a feeding reel constructed with an upper flange, a lower flange, a reel drum for connecting said upper and lower flanges, and a center boss projecting from the top surface of said upper flange and a take-up reel constructed with an upper flange, a lower flange, a reel drum having a larger breadth than that of the reel drum in said feeding reel and for connecting said upper and lower flanges, and a center boss projecting from the top surface of said upper flange and being colored in a different color from that of the center boss of said feeding reel.
摘要翻译： 磁带盒中的馈送卷取机的组合包括一个馈送卷轴，该馈送卷轴由上凸缘，下凸缘，用于连接所述上凸缘和下凸缘的卷轴滚筒构成，以及从所述上凸缘的顶表面突出的中心凸台 上凸缘和卷取卷轴，其构造有上凸缘，下凸缘，具有比所述进给卷轴中的卷筒滚筒宽的宽度的卷轴滚筒和用于连接所述上和下凸缘的卷轴卷轴，以及从所述上凸缘和 所述上凸缘的顶表面和与所述馈送卷轴的中心凸台的颜色不同的颜色着色。
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公开(公告)号：US4422119A
公开(公告)日：1983-12-20
申请号：US285835
申请日：1981-07-22
摘要： A leader tape for magnetic recording tape, characterized in that a coating film, consisting of a polymeric binder, an inorganic powder having a Mohs' hardness of 5 or above in an amount of not more than 5% by weight on the basis of the binder weight, and an antistatic agent, is formed on a plastic base.
摘要翻译： 一种磁记录带的导带，其特征在于，由粘合剂组成的涂膜，莫氏硬度为5以上的无机粉末的量不超过基于粘合剂的5重量％ 重量和抗静电剂形成在塑料基材上。
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公开(公告)号：US4227622A
公开(公告)日：1980-10-14
申请号：US41880
申请日：1979-05-23
申请人： Masatoshi Okamura , Haruo Shiba , Kimio Tanaka
发明人： Masatoshi Okamura , Haruo Shiba , Kimio Tanaka
IPC分类号： G11B23/087 , G11B23/06 , B65D6/32 , B65H17/48
CPC分类号： G11B23/087
摘要： A tape cassette comprises an upper half casing and a lower half casing and male hollow cylindrical projections having a notch mounted on either of the upper half casing or the lower half casing and female hollow recesses mounted on the other half casing at the corresponding positions. The upper and lower half casings are superposed to fit the male hollow cylindrical projects into the corresponding female hollow recesses and are fixed together by screwing self-tap bolts from the female hollow recesses into the male hollow cylindrical projections having notches to fix the projections on the inner surfaces of the female hollow recesses.
摘要翻译： 盒式磁带包括上半壳体和下半壳体以及安装在上半壳体或下半壳体中的任一个上的凹口和在相应位置处安装在另一半壳体上的凹形中空凹槽的凸形中空圆柱形突出部。 上半壳体和下半壳体叠合以将雄性中空圆柱形突出部配合到相应的凹形中空凹部中，并且通过将自攻螺钉从凹形中空凹槽旋拧到具有凹口的凸形中空圆柱形突出部中而固定在一起，以将凸起固定在 阴凹凹槽的内表面。
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