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

IPC分类号： E06C5/36 ,  E06C7/12

CPC分类号： E06C7/12 ,  E06C5/36

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。

公开(公告)号：US4523685A

公开(公告)日：1985-06-18

申请号：US612780

申请日：1984-05-22

申请人： Fusaji Terayama ,  Tetsuo Kohzai ,  Naoyuki Murai

发明人： Fusaji Terayama ,  Tetsuo Kohzai ,  Naoyuki Murai

IPC分类号： E06C5/00 ,  B66F9/06 ,  B66F11/04 ,  E06C5/40 ,  B66C23/78

CPC分类号： B66F11/044 ,  E06C5/40

摘要： A revolving block with an inclination correcting mechanism housed therein for a high place working vehicle having a working implement such as a revolving ladder or boom mounted thereon.

摘要翻译： 具有倾斜校正机构的旋转块，用于具有诸如安装在其上的旋转梯或悬臂的作业工具的高位作业车辆。

公开(公告)号：US3980156A

公开(公告)日：1976-09-14

申请号：US607552

申请日：1975-08-25

申请人： Fusaji Terayama ,  Seiichi Nakagawa

发明人： Fusaji Terayama ,  Seiichi Nakagawa

IPC分类号： E06C5/36 ,  E06C5/06 ,  E06C7/06

CPC分类号： E06C5/36

摘要： There is provided a device for preventing the jutting-out of the ladder of a ladder truck, wherein when the extending and contracting operation of an extensible ladder is completed and a ladder extending and contracting changeover valve is returned to its neutral position, locking levers are automatically turned to their locking position with respect to several stage ladders required to be prevented from jutting out, thereby providing for prevention of jutting-out, whereas at the time of extension and contraction of the extensible ladder said locking levers are turned to their retracted position to enable the extension and contraction to be effected without hindrance.

摘要翻译： 提供了一种用于防止梯子卡车梯子突出的装置，其中当伸展梯的伸缩操作完成并且梯子伸缩转换阀返回到其中立位置时，锁定杆是 自动地转动到相对于需要防止突出的几个梯台的锁定位置，从而防止突出，而在伸展梯子的伸展和收缩时，所述锁定杆转动到其缩回位置 以使得能够不受妨碍地进行伸缩。