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公开(公告)号：US4031980A
公开(公告)日：1977-06-28
申请号：US604761
申请日：1975-08-14
申请人： Fusaji Terayama , Tetsuo Kozai
发明人： Fusaji Terayama , Tetsuo Kozai
摘要： There is provided a cam type braking device for a ladder lifter arranged so that as soon as the lifting wire rope for the ladder lifter is broken, a brake cam is pressed against the associated ladder rail, whereby the lifter is braked and it is securely stopped at the position on the rail which it assumed at the time of breakage of the wire rope, without causing any large fall of the lifter.
摘要翻译： 提供了一种用于梯子升降机的凸轮式制动装置，其布置成使得一旦用于梯子升降器的提升钢丝绳断裂，制动凸轮被压靠在相关联的梯子轨道上，由此升降机被制动并且其被牢固地停止 在钢丝绳断裂时假定的轨道上的位置，而不会引起升降机的任何大的跌落。
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公开(公告)号：US3961685A
公开(公告)日：1976-06-08
申请号：US536036
申请日：1974-12-23
申请人： Tetsuo Kozai
发明人： Tetsuo Kozai
摘要： There is provided a ladder working limit based ladder stopping device for a vehicle equipped with a vertically and horizontally swingable and extensible ladder (or a fire engine truck), wherein a working limit of the ladder is preset on the basis of an extended length of the ladder corresponding to a particular vertical angle assumed by the ladder, so that when the combined situation of the vertical angle and extended length of the ladder reaches said preset condition, the operating mechanism for the ladder is automatically returned to its neutral position while actuating a warning device and turning on a marker lamp, the operating mechanism being then operated toward the safety side, whereupon the marker lamp is turned off to indicate that the ladder is now safe.
摘要翻译： 提供了一种用于具有垂直和水平摆动和可伸展梯子（或消防车卡车）的车辆的梯子工作限制梯形停止装置，其中梯子的工作极限基于延长的长度 梯子对应于梯子假定的特定垂直角度，使得当梯子的垂直角度和延伸长度的组合情况达到预设状态时，梯子的操作机构自动返回到其中立位置，同时启动警告 装置并打开标记灯，然后将操作机构朝向安全侧操作，由此标记灯被关闭以指示梯子现在是安全的。
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公开(公告)号：US3949833A
公开(公告)日：1976-04-13
申请号：US522317
申请日：1974-11-08
申请人： Tetsuo Kozai
发明人： Tetsuo Kozai
摘要： A device for use with a high-altitude working vehicle provided with a vertically and horizontally revolvable and extensible ladder and an operator-carrying lifter movable up and down along the ladder, the device being characterized in that it allows the exension and contraction of the ladder only when the lifter is at a predetermined position, thereby securing safety of the operator riding in the lifter. Other advantages and details of the construction will be made clear.
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公开(公告)号：US3966018A
公开(公告)日：1976-06-29
申请号：US549299
申请日：1975-02-12
申请人： Tetsuo Kozai , Shomitsu Shiraki
发明人： Tetsuo Kozai , Shomitsu Shiraki
CPC分类号： B66F11/046 , E06C5/32 , E06C7/16
摘要： A working platform lifting apparatus for an aerial ladder truck, wherein the working platform movable up and down along the ladder is arranged so that it does not interfere with the extension and contraction of the ladder, that when it is stopped at any desired position it is automatically braked, that when it reaches its uppermost position it is automatically stopped and that in an emergency it can be lowered manually. Other merits and details of the construction will be made clear.
摘要翻译： 一种用于空中梯车的工作平台提升装置，其中沿着梯子上下移动的工作平台被布置成使其不妨碍梯子的伸缩，当其停在任何所需位置时 自动制动，当达到其最高位置时，它会自动停止，并且在紧急情况下可以手动降低。 建设的其他优点和细节将会明确。
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公开(公告)号：US3965464A
公开(公告)日：1976-06-22
申请号：US525930
申请日：1974-11-21
申请人： Tetsuo Kozai
发明人： Tetsuo Kozai
摘要： A safety device is provided for association with an aerial ladder truck assembly to automatically detect a weight overload on the ladder unit of the assembly at any given angle. The safety means are characterized by providing ladder angle detecting means in the form of a disk provided with a plurality of contacts and a pointer operatively associated with the ladder which engages a given contact at a given angle position of the ladder, and a load indicating means which actuate a pointer mounted on a disk provided with a plurality of contacts, each of which indicates a load value with the angle indicating contacts and the load indicating contacts of each disk being electrically connected to one another and an alarm device to give an alarm when there is a weight overload on the ladder unit at the angle it is positioned.
摘要翻译： 提供一种安全装置，用于与升降梯卡车组件相关联，以自动地以任何给定的角度检测组件的梯形单元的重量过载。 安全装置的特征在于提供梯形角检测装置，其具有设置有多个触点的盘形形状，以及与梯子可操作地相关联的指针，该指针在梯子的给定角度位置处接合给定的触点，以及负载指示装置 其驱动安装在设置有多个触点的盘上的指针，每个触点指示具有角度指示触点的负载值，并且每个盘的负载指示触点彼此电连接，并且报警装置发出报警， 在梯子单元上以其定位的角度存在重量过载。
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