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41. 发明授权

US06644629B1 Overwinding prevention device for winch 失效
标题翻译：绞车防缠绕装置
公开(公告)号：US06644629B1
公开(公告)日：2003-11-11
申请号：US09807460
申请日：2001-05-01
申请人： Shinobu Higashi , Kazuhisa Ishida , Kouji Funato , Toshimi Sakai , Masami Ochiai , Teruo Igarashi , Akira Nakayama , Tsutomu Udagawa
发明人： Shinobu Higashi , Kazuhisa Ishida , Kouji Funato , Toshimi Sakai , Masami Ochiai , Teruo Igarashi , Akira Nakayama , Tsutomu Udagawa
IPC分类号： B66D108
CPC分类号： B66D1/48 , B66D1/56
摘要： A winch over-winding prevention apparatus includes: a winch drum that is driven for up/down hoist in response to a command issued through an operating lever; a stop switch that is activated when a suspended object raised or lowered as a hoisting cable wound around the winch drum is further taken up or fed out is hoisted up to a predetermined stop position; and a stop device that stops drive of the winch drum when the stop switch is activated, and further includes: a speed detection device that detects a hoist speed of the suspended object; a speed reduction device that reduces a drive speed of the winch drum once the suspended object reaches a predetermined speed reduction start position; and a speed reduction control device that calculates a deceleration rate of the winch drum in correspondence to the hoist speed of the suspended object detected by the speed detection device and controls drive of the speed reduction device in response to a speed reduction command corresponding to the deceleration rate.
摘要翻译：绞车过卷绕防止装置包括：响应于通过操作杆发出的指令而驱动上/下升降机的绞盘鼓; 当作为卷绕在绞盘鼓上的提升缆索升起或降低的悬挂物体进一步被卷取或送出的停止开关被提升到预定的停止位置; 以及停止装置，其在所述停止开关被启动时停止所述绞盘鼓的驱动，并且还包括：速度检测装置，其检测所述悬挂物体的提升速度; 减速装置，一旦悬挂物体到达预定的减速开始位置，就降低绞车鼓的驱动速度; 以及减速控制装置，其根据由速度检测装置检测到的悬架物体的提升速度来计算绞盘鼓的减速度，并根据对应于减速度的减速指令来控制减速装置的驱动率。

42. 发明授权

US5251444A Hydraulic drive system and valve apparatus 失效
标题翻译：液压驱动系统和阀门装置
公开(公告)号：US5251444A
公开(公告)日：1993-10-12
申请号：US768189
申请日：1991-10-16
申请人： Masami Ochiai , Takashi Kanai
发明人： Masami Ochiai , Takashi Kanai
IPC分类号： E02F9/22 , F15B11/16 , F15B13/04 , F16D31/02
CPC分类号： E02F9/2232 , E02F9/2296 , F15B11/163 , F15B11/165 , F15B13/0417 , F15B2211/20546 , F15B2211/30555 , F15B2211/31576 , F15B2211/6052
摘要： A valve apparatus (30) of a hydraulic valve system has a plurality of directional control valves (78, 79) that control the flow of the hydraulic fluid to a plurality of actuators (34, 35). Check valves (59, 60) are provided for taking out, as a first control pressure, a maximum load pressure among load pressures of the plurality of actuators, first pressure generating devices (89, 91) for generating second control pressures different from the first control pressure, and second pressure generating devices (90, 92) for generating third control pressures different from said first and second control pressures. Flow control valves (36, 39) control flow rates of the hydraulic fluid passing between supply passages (42, 43) and first passages (44, 45) dependent upon openings of variable restrictors (52, 53; 54, 55) disposed therebetween, and also for selectively communicating between second passages (50, 51) and load passages (46, 47; 48, 49), and pressure control valves (70, 71) disposed between the first passages and the second passages for controlling pressures inside the first passages.
摘要翻译： PCT No.PCT / JP91 / 00903 Sec。 371日期1991年10月16日 102（e）1991年10月16日PCT PCT 1991年7月4日PCT公布。出版物WO92 / 01163 日期：1992年1月23日。液压阀系统的阀装置（30）具有多个控制液压流体流向多个致动器（34,35）的方向控制阀（78,79）。提供止回阀（59,60），用于作为第一控制压力取出多个致动器的负载压力之间的最大负载压力，用于产生与第一控制压力不同的第二控制压力的第一压力产生装置（89,91）控制压力和用于产生与所述第一和第二控制压力不同的第三控制压力的第二压力产生装置（90,92）。流量控制阀（36,39）根据设置在其间的可变节流器（52,53,54,55）的开口来控制通过供给通道（42,43）和第一通道（44,45）之间的液压流体的流量，并且还用于选择性地连通第二通道（50,51）和负载通道（46,47; 48,49）和设置在第一通道和第二通道之间的压力控制阀（70,71），用于控制第一通道段落。

43. 发明授权

US5003776A Hydraulic drive system 失效
标题翻译：液压驱动系统
公开(公告)号：US5003776A
公开(公告)日：1991-04-02
申请号：US378493
申请日：1989-07-12
申请人： Takashi Kanai , Masami Ochiai , Morio Oshina , Mitsuo Sonoda
发明人： Takashi Kanai , Masami Ochiai , Morio Oshina , Mitsuo Sonoda
IPC分类号： B60K17/10 , B60K25/04 , B60W10/06 , B60W30/18 , F16H59/14 , F16H61/42 , F16H61/433 , F16H61/46 , F16H61/465
CPC分类号： B60W30/18 , B60W10/04 , B60W10/06 , B60W10/103 , F16H61/433 , F16H61/46 , F16H61/465
摘要： A hydraulic drive system is equipped with an engine, a plurality of hydraulic pumps adapted to be driven by the engine and including a variable displacement hydraulic pump provided with a displacement varying mechanism, a hydraulic motor connected to the variable displacement pump, a hydraulic actuator for actuating the displacement varying mechanism of the variable displacement hydraulic pump, a working fluid feeding means for feeding the hydraulic actuator with a hydraulic fluid of a pressure according to the degree of control of an accelerator lever which is adapted to instruct a target revolution number of the engine, and a low-pressure circuit for allowing the hydraulic fluid to be discharged therethrough from the hydraulic actuator. The system is provided with a maximum pressure limiting means for guiding the hydraulic fluid of the hydraulic fluid feeding means to the low-pressure circuit depending on the degree of control of the accelerator lever, thereby limiting the maximum pressure of the hydraulic fluid and a means for selectively actuating the maximum pressure limiting means.
摘要翻译：液压驱动系统配备有发动机，多个液压泵，其适于由发动机驱动，并且包括设置有位移变化机构的可变排量液压泵，连接到可变排量泵的液压马达，用于致动可变排量液压泵的排量变化机构;工作流体供给装置，用于根据加速杆的控制程度向液压致动器供给压力的液压流体，该加速杆适于指示目标转数发动机和用于允许液压流体从液压致动器排出的低压回路。该系统设置有最大压力限制装置，用于根据加速杆的控制程度将液压流体供给装置的液压流体引导到低压回路，由此限制液压流体的最大压力和装置用于选择性地启动最大压力限制装置。

44. 发明授权

US4914712A Device for supporting lift roll for fork lift truck 失效
标题翻译：叉式起重机支撑装置
公开(公告)号：US4914712A
公开(公告)日：1990-04-03
申请号：US329182
申请日：1989-03-27
申请人： Yoshihiro Ikimi , Masami Ochiai
发明人： Yoshihiro Ikimi , Masami Ochiai
IPC分类号： B66F9/08 , F16C13/00 , F16C25/06 , F16C35/063
CPC分类号： B66F9/08 , F16C13/006 , F16C25/06 , F16C35/063
摘要： This invention relates to a device for supporting a lift roll for a fork lift truck of the type in which the thrust in the fore and aft direction and in the transverse direction is supported solely by a lift roll, the contact pressure of the lateral side of the outer race with respect to the pressure-receiving section is adjusted by an adjustment screw.
摘要翻译：本发明涉及一种用于支撑用于叉车的提升辊的装置，其中前后方向和横向上的推力仅由提升辊支撑，侧面的接触压力相对于受压部的外圈由调节螺钉调节。

45. 发明授权

US4846046A Hydraulic drive circuit system 失效
标题翻译：液压驱动电路系统
公开(公告)号：US4846046A
公开(公告)日：1989-07-11
申请号：US166017
申请日：1988-03-09
申请人： Takashi Kanai , Masami Ochiai , Morio Oshina , Mitsuo Sonoda , Koji Nozaki
发明人： Takashi Kanai , Masami Ochiai , Morio Oshina , Mitsuo Sonoda , Koji Nozaki
IPC分类号： B60K17/10 , B60W10/06 , B60W30/18 , F03C1/08
CPC分类号： B60W10/06 , B60W10/04 , B60W10/103 , B60W30/18
摘要： A hydraulic drive circuit system is equipped with an accelerator pedal and an accelerator lever for respectively instructing target revolution numbers for an engine, a link plate for selecting greater one of the instruction values, and a linkage and a switch for controlling valves respectively so as to close the flow passage of a line interposed between a charge pump and a low pressure line irrespective of the instruction value of the accelerator pedal when the accelerator lever has not been controlled but for controlling the valves so as to restrict the flow passage of the line in accordance with the instruction value of the accelerator pedal when the accelerator lever has been controlled.

46. 发明申请

US20120303226A1 ELECTRICALLY-DRIVEN OPERATING DEVICE AND WORKING MACHINE INCORPORATING THE SAME 审中-公开
标题翻译：电动操作装置和与其同时使用的工作机
公开(公告)号：US20120303226A1
公开(公告)日：2012-11-29
申请号：US13575409
申请日：2011-01-31
申请人： Masaru Yamasaki , Masami Ochiai , Isao Hayase
发明人： Masaru Yamasaki , Masami Ochiai , Isao Hayase
IPC分类号： G06F17/00
CPC分类号： E02F3/425 , B66F9/08 , B66F9/20 , E02F9/207
摘要： A highly reliable electrically-driven operating device that can automatically correct balance with a simple structure having a small number of parts used, and a working machine incorporating the same are provided. A first electrically-driven actuator 1 includes a first electric motor M1 having a rotor position sensor S. A second electrically-driven actuator 2 includes a second electric motor M2 not having a rotor position sensor. Outputs of the first electrically-driven actuator 1 and the second electrically-driven actuator 2 are combined by an unequal-length link 3. The first electric motor M1 has a positional relationship between a rotor and a magnetic field under an operating condition thereof, the positional relationship producing a maximum torque of the first electric motor; and the second electric motor M2 is configured to produce torque reduced from a maximum torque of the second electric motor under an operating condition thereof by being out of a positional relationship between a rotor and a magnetic field, the positional relationship producing the maximum torque of the second electric motor.
摘要翻译：提供了一种高度可靠的电动操作装置，其能够利用具有少量部件的简单结构自动校正平衡，并且提供包括该部件的工作机器。第一电动致动器1包括具有转子位置传感器S的第一电动机M1。第二电动致动器2包括不具有转子位置传感器的第二电动机M2。第一电动致动器1和第二电驱动致动器2的输出由不等长的连杆3组合。第一电动机M1在其工作条件下具有转子和磁场之间的位置关系，产生第一电动机的最大转矩的位置关系; 并且第二电动机M2被配置为通过在转子和磁场之间的位置关系之外，在其工作条件下产生从第二电动机的最大转矩减小的转矩，产生最大转矩的位置关系第二电动机。

47. 发明申请

US20120111669A1 LINEAR ACTUATOR AND FORKLIFT TRUCK 审中-公开
标题翻译：线性执行器和叉车
公开(公告)号：US20120111669A1
公开(公告)日：2012-05-10
申请号：US13379689
申请日：2010-06-21
申请人： Isao Hayase , Kenji Hiraku , Hiroyuki Yamada , Masami Ochiai , Yuichi Yanagi
发明人： Isao Hayase , Kenji Hiraku , Hiroyuki Yamada , Masami Ochiai , Yuichi Yanagi
IPC分类号： B66F9/20 , F16H25/22
CPC分类号： B66F9/08 , F16H25/2261 , Y10T74/18576
摘要： This invention includes a screw shaft 1, a screw thread 30 formed spirally on an outer periphery of the screw shaft, main rollers 4 with rolling surfaces 4c each of which comes into contact with a flank surface 1a of the thread, the main rollers each rolling along the flank surface by rotating about a rotational axis D, roller support members 6 each supporting one main roller so as to enable the main roller to rotate about the rotational axis, and a roller cage 2 supporting the roller support member so as to enable the support member to oscillate with respect to a force transmitted from the flank surface via the rolling surface to the main roller, the roller cage being constructed to turn about the screw shaft in relative form with respect to the screw shaft when the main roller rolls. Thus, the roller and the screw shaft reliably come into linear contact with each other, even if a backlash due to dimensional errors between parts exists between the parts.
摘要翻译：本发明包括螺杆轴1，在螺杆轴的外周螺旋地形成的螺纹30，主辊4，其滚动面4c与螺纹的侧面1a接触，主辊分别滚动通过围绕旋转轴线D旋转的侧面表面，每个支撑一个主辊的辊支撑构件6，以使得主辊能够围绕旋转轴线旋转;以及滚子保持架2，其支撑辊支撑构件，所述支撑构件相对于从所述侧面经由所述滚动表面传递到所述主辊的力而摆动，所述滚子保持架被构造成当所述主辊滚动时相对于所述螺纹轴以相对于所述螺纹轴转动的所述螺杆轴。因此，即使由于部件之间存在部件之间的尺寸误差而产生的间隙，滚子和螺杆轴也可以彼此线性接触。

48. 发明申请

US20120012425A1 LINEAR ACTUATOR AND FORKLIFT TRUCK 审中-公开
标题翻译：线性执行器和叉车
公开(公告)号：US20120012425A1
公开(公告)日：2012-01-19
申请号：US13145827
申请日：2009-12-25
申请人： Isao Hayase , Kenji Hiraku , Hiroyuki Yamada , Masami Ochiai , Yuichi Yanagi , Nobuya Sekiyama
发明人： Isao Hayase , Kenji Hiraku , Hiroyuki Yamada , Masami Ochiai , Yuichi Yanagi , Nobuya Sekiyama
IPC分类号： B66F9/20 , F16H25/12
CPC分类号： B66F9/08 , B66F9/24 , F16H25/2261 , Y10T74/18576
摘要： This invention includes a screw shaft 1, a screw thread 10 formed spirally on an outer periphery of the screw shaft, a plurality of rollers 2 arranged along the thread so as to be spaced from one another in a circumferential direction of the screw shaft to roll along a flank surface la of the screw thread via a rolling surface 2c, and a roller cage 3 accommodating the plurality of rollers so as to rotate each of the rollers on respective axes and constructed so that when the rollers are made to roll, the cage moves about the screw shaft in relative form with respect thereto; wherein the rollers each have a central axis 26 fixedly positioned with respect to the roller cage so that the roller takes a posture making a line imaginarily extended from the central axis intersect the screw shaft, and so that the central axis is inclined towards the flank surface with which the rolling surface comes into contact. Thus, a linear actuator is provided that has high motive power transmission efficiency and excellent durability since significant slipping between the rollers and the screw shaft is suppressed.
摘要翻译：本发明包括螺杆轴1，在螺杆轴的外周螺旋地形成的螺纹10，多个辊2，沿着螺纹布置成沿着螺杆轴的圆周方向彼此间隔开以滚动经由滚动表面2c沿着螺纹的侧面1a和滚子保持架3，容纳多个滚子以使各滚子在各轴线上旋转，并被构造成使得当滚筒滚动时，保持架以相对于其的相对形式绕螺杆轴移动; 其特征在于，所述辊各自具有相对于所述滚子保持架固定地定位的中心轴线26，使得所述滚轮采取使从所述中心轴线观察地延伸的线与所述螺杆轴相交的姿态，并且使得所述中心轴线朝向所述侧面滚动面与其接触。因此，提供了一种线性致动器，其具有高的动力传递效率和优异的耐久性，因为抑制了辊和螺杆轴之间的显着滑动。

49. 发明申请

US20090078528A1 DRUM ROTATING APPARATUS FOR USE ON CONSTRUCTION MACHINES 审中-公开
标题翻译：鼓风机用于建筑机械
公开(公告)号：US20090078528A1
公开(公告)日：2009-03-26
申请号：US11910808
申请日：2006-07-28
申请人： Nobuo Uzawa , Atsushi Tanaka , Masami Ochiai , Tadahiro Shimozono , Yoshiomi Jojima , Takeshi Obata
发明人： Nobuo Uzawa , Atsushi Tanaka , Masami Ochiai , Tadahiro Shimozono , Yoshiomi Jojima , Takeshi Obata
IPC分类号： E02F9/02
CPC分类号： B62D55/125 , B60K7/0007 , B60K17/046 , B60K2007/0038 , B60K2007/0092 , B60L2200/40 , B60L2220/44 , B60Y2200/41 , E02F9/02 , F16D2121/22 , H02K7/1025 , H02K7/116 , Y02T10/641
摘要： A support member which is securely fixed to a truck frame is constituted by a tubular body portion and a lid portion. A couple of dry electromagnetic brakes are located in a brake accommodation room within the tubular body portion. The support member is assembled with an electric motor. A drum member which accommodates a planetary reduction gear mechanism is rotatably mounted on the outer periphery of the support member through bearings. A floating seal is provided between the support member and the drum member, and a seal ring (45) is provided between an axial bore in the support member and a coupling shaft. Thus, the two dry electromagnetic brakes are accommodated in the support member, safely shielded from lubricant oil.
摘要翻译：牢固地固定在卡车框架上的支撑部件由管状主体部分和盖部分构成。一对干式电磁制动器位于管状主体部分内的制动容纳室中。支撑构件与电动机组装在一起。容纳行星减速机构的鼓构件通过轴承可旋转地安装在支撑构件的外周上。在支撑构件和鼓构件之间设置浮动密封件，并且在支撑构件中的轴向孔和联接轴之间设置密封环（45）。因此，两个干式电磁制动器容纳在支撑构件中，安全地从润滑油屏蔽。

50. 发明授权

US07500360B2 Hydraulic driving system of construction machinery 有权
标题翻译：工程机械液压驱动系统
公开(公告)号：US07500360B2
公开(公告)日：2009-03-10
申请号：US10499307
申请日：2003-08-29
申请人： Tsutomu Udagawa , Kazuo Takiguchi , Masami Ochiai , Takashi Yagyuu , Yukihiko Sugiyama , Mitsuo Aihara
发明人： Tsutomu Udagawa , Kazuo Takiguchi , Masami Ochiai , Takashi Yagyuu , Yukihiko Sugiyama , Mitsuo Aihara
IPC分类号： E02F9/00 , E02F9/20 , F15B11/00
CPC分类号： E02F9/2228 , E02F9/2242 , E02F9/2292 , F15B11/165 , F15B11/167 , F15B11/17 , F15B21/087 , F15B2211/20576 , F15B2211/30505 , F15B2211/3056 , F15B2211/3116 , F15B2211/31576 , F15B2211/327 , F15B2211/40515 , F15B2211/40546 , F15B2211/413 , F15B2211/4159 , F15B2211/426 , F15B2211/45 , F15B2211/476 , F15B2211/50518 , F15B2211/665 , F15B2211/71
摘要： A hydraulic drive system comprises directional flow control valves (10a-f) for selectively supplying a hydraulic fluid from a first hydraulic pump (1a, 1b), inflow control valves (201-203) disposed respectively in branch lines (150A-C) branched from a supply line (100) for supplying a hydraulic fluid delivered from a second hydraulic pump (3a, 3b) to rod pushing-side chambers (5aA, 5bA, 6A, 7A) of hydraulic cylinders, a bypass flow control valve (204) disposed in a line (104) connecting the supply line (100) and a reservoir (2), and a controller (31) for computing control variables corresponding to operation command signals from control levers (32, 33) and controlling the inflow control valves (201-203) and the bypass flow control valve (204) in accordance with the computed control variables. Thus, the number of flow control valves and the length of piping required for their connection can be reduced, and a total pressure loss can be further reduced.
摘要翻译：液压驱动系统包括用于选择性地供应来自第一液压泵（1a，1b）的液压流体的定向流量控制阀（10a-f），分别设置在分支管路（150A-C）从用于将从第二液压泵（3a，3b）输送的液压油供应到液压缸的推杆侧室（5aA，5bA，6A，7A）的供给管线（100），旁通流量控制阀（204）设置在连接供应管线（100）和储存器（2）的管线（104）中，以及控制器（31），用于计算与来自控制杆（32,33）的操作命令信号相对应的控制变量，并控制流入控制阀（201-203）和旁路流量控制阀（204）。因此，可以减少流量控制阀的数量和连接所需的管道长度，并且可以进一步降低总压力损失。

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