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    DUAL TRACK LADDER WITH BRAKE MECHANISM THAT IS AUTOMATICALLY APPLIED TO THE UPPER TRACKS TO HOLD THE LADDER IN PLACE DURING USE
    2.
    发明申请
    DUAL TRACK LADDER WITH BRAKE MECHANISM THAT IS AUTOMATICALLY APPLIED TO THE UPPER TRACKS TO HOLD THE LADDER IN PLACE DURING USE 有权
    具有制动机构的双轨踏步机在自动应用于上坡轨道上以在使用期间将梯子保持在位置

    公开(公告)号：US20100252362A1

    公开(公告)日：2010-10-07

    申请号：US12814961

    申请日：2010-06-14

    申请人： James F. Kerr

    发明人： James F. Kerr

    IPC分类号： E04G1/38 ,  E06C1/397

    CPC分类号： E06C1/397 ,  E06C7/182 ,  E06C7/183 ,  E06C9/12

    摘要： A ladder system includes an overhead track system, a ladder, a latch and a carriage. The overhead track system includes a first guide track and a second guide track. The carriage is operatively configured to move longitudinally along the first and second guide tracks and to move laterally between the first and second guide tracks. The ladder is pivotally mounted to the overhead track system. A lateral carriage brake is provided which prevents lateral movement of the ladder, and a longitudinal carriage brake is provided to prevent longitudinal movement of the ladder. The latch is operatively configured to affix the ladder to the carriage.

    摘要翻译： 梯子系统包括架空轨道系统，梯子，闩锁和滑架。 架空轨道系统包括第一导轨和第二导轨。 滑架可操作地构造成沿着第一和第二导轨纵向移动并且在第一和第二导轨之间横向移动。 梯子可枢转地安装在架空轨道系统上。 提供横向滑架制动器，其防止梯子的横向运动，并且设置纵向滑架制动器以防止梯子的纵向移动。 闩锁可操作地构造成将梯子固定到托架上。

    Multi-position ladder and support therefor
    3.
    发明授权
    Multi-position ladder and support therefor 失效
    多位置梯子和支持

    公开(公告)号：US6105720A

    公开(公告)日：2000-08-22

    申请号：US322592

    申请日：1999-05-28

    申请人： Don A. Kumher ,  Boyd S. Kumher

    发明人： Don A. Kumher ,  Boyd S. Kumher

    IPC分类号： E06C5/02 ,  E06C9/12 ,  E06C5/00 ,  E04G3/14

    CPC分类号： E06C5/02 ,  E06C9/12

    摘要： A multi-position ladder includes a ladder, a longitudinally extending support member for supporting the ladder, and a connecting member connecting the support member and the ladder. The connecting member includes a sliding bar, a pivot bar, and a rotating arm, the sliding bar being in sliding engagement with the support member for permitting lateral shifting movement of the ladder along the support member to one of multiple generally vertical use positions, the pivot bar extending laterally outwardly from the sliding bar for permitting pivotable movement of the ladder about the pivot bar between a generally vertical use position and one of multiple storage positions, and the rotating arm providing tilting movement of the ladder towards or away from a wall to which the support member is attached. The ends of the rotating arm are slidably received in elongated slots in the uprights of the ladder for permitting sliding movement of the ladder relative to the rotating arm. A locking assembly permits selective securing of the free end of the ladder to the support member in a storage position.

    摘要翻译： 多位置梯子包括梯子，用于支撑梯子的纵向延伸的支撑构件以及连接支撑构件和梯子的连接构件。 连接构件包括滑动杆，枢转杆和旋转臂，滑动杆与支撑构件滑动接合，用于允许梯子沿着支撑构件横向移动到多个大致垂直的使用位置之一， 枢轴杆从滑动杆横向向外延伸，以允许梯子围绕枢转杆在大致垂直的使用位置和多个存储位置中的一个之间枢转运动，并且旋转臂提供梯子朝向或远离壁的倾斜运动， 支撑构件附接。 旋转臂的端部可滑动地容纳在梯子的立柱中的细长槽中，以允许梯子相对于旋转臂的滑动运动。 锁定组件允许在存储位置中将梯子的自由端选择性地固定到支撑构件。

    Movable ladder support assembly
    4.
    发明授权
    Movable ladder support assembly 失效
    活动梯子支撑组件

    公开(公告)号：US5960906A

    公开(公告)日：1999-10-05

    申请号：US63220

    申请日：1998-04-20

    申请人： Arlanders Henderson

    发明人： Arlanders Henderson

    IPC分类号： E06C7/42 ,  E06C9/12 ,  A63C5/08

    CPC分类号： E06C7/423 ,  E06C9/12

    摘要： A ladder support system, comprising a free-standing frame having an upper and lower horizontal member, and a ladder that is supported on the upper horizontal member and lower horizontal member. The frame further has a pair of ends which each have two legs joined by a top joint which forms an acute angle between the two legs which are both perpendicular to the upper horizontal member, which is also attached to the top joint. The upper horizontal member is parallel to the lower horizontal member. The ladder has wheel assemblies which engage the upper horizontal member and lower horizontal member so that the ladder may move laterally along the frame. A movement mechanism comprises a pair of end pulleys located at the ends, and a rope having a pair of rope extremities. The rope is threaded through the end pulleys with the rope extremities available to a workmen on the ladder, so that the workmen can move the ladder laterally along the frame without climbing down the ladder.

    摘要翻译： 梯子支撑系统，包括具有上下水平构件的独立框架和支撑在上水平构件和下水平构件上的梯子。 框架还具有一对端部，每个端部具有由顶部接头连接的两个腿部，顶部接头在两个腿部之间形成锐角，两个腿部垂直于上部水平构件，该上部水平构件也附接到顶部接头。 上水平构件平行于下水平构件。 梯子具有与上部水平构件和下部水平构件接合的轮组件，使得梯子可沿框架横向移动。 移动机构包括位于端部的一对端滑轮和具有一对绳索末端的绳索。 绳索穿过末端滑轮，绳索末端可用于梯子上的工人，以便工人可以沿着框架横向移动梯子而不爬下梯子。

    Dual track mounted ladder system
    5.
    发明授权
    Dual track mounted ladder system 失效
    双轨安装梯子系统

    公开(公告)号：US5480002A

    公开(公告)日：1996-01-02

    申请号：US354603

    申请日：1994-12-13

    申请人： James F. Kerr

    发明人： James F. Kerr

    IPC分类号： E06C9/12 ,  E06C7/00

    CPC分类号： E06C9/12

    摘要： The ladder system is located adjacent the front face of a storage rack. The ladder is carried by a cantilever supported carriage assembly. The ladder may move longitudinally along the front face of the storage rack and may also be moved laterally in a direction extending perpendicular to the front face of the storage rack. The carriage assembly includes a horizontal ladder support track upon which the ladder is mounted by means of two sets of rollers. With such a construction, the ladder may pivot about the support track to avoid obstructions in the aisle or projecting from the storage rack. In this way, a user can quickly and easily position the ladder at any position along the storage rack for accessing items stored on the shelves. This ladder system is particularly useful in crowded warehouse-type retail outlets which are now in popular use across the United States of America.

    摘要翻译： 梯子系统位于存储架前面附近。 梯子由悬臂支撑的托架组件承载。 梯子可以沿着存储架的前表面纵向移动，并且还可以在垂直于存储架的前表面延伸的方向上横向移动。 托架组件包括一个水平的梯子支撑轨道，梯子通过两组滚子安装在该梯子上。 通过这样的结构，梯子可以围绕支撑轨道枢转，以避免过道中的障碍物或从存储架突出。 以这种方式，用户可以快速且容易地将梯子放置在沿着存储架的任何位置，以访问存储在货架上的物品。 这种梯子系统在拥挤的仓库型零售店中特别有用，这些零售店现在在美利坚合众国普遍使用。