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1. 发明授权

US6029774A Ladder stabilizing assembly 失效
标题翻译：梯子稳定装配
公开(公告)号：US6029774A
公开(公告)日：2000-02-29
申请号：US206410
申请日：1998-12-07
申请人： Larry G. Cothern
发明人： Larry G. Cothern
IPC分类号： E06C7/18 , E06C7/48
CPC分类号： E06C7/486 , E06C7/188
摘要： A safety assembly for stabilizing the legs of a ladder is disclosed which includes an elongated support bar, a pair of U-shaped, spaced apart, ladder leg coupling elements mounted on opposite end portions of the support bar and means, such as a pair of brackets, for attaching the support bar to a building or structure against which a ladder is to be operatively positioned. The coupling elements confine the legs of the ladder therein to prevent the ladder from tilting sideways as a person climbs off of or onto the ladder onto or off of the structure. An additional safety feature includes a pair of ladder leg snugging pins which are removably inserted laterally through the legs of the coupling elements to tightly or snuggly confine the ladder legs in the coupling elements. Still another safety feature includes a pair of pivotally movable latches which have a closed position across the otherwise open ends of the coupling elements, which latches can be swung inwardly by means of a pull cord to an open position so that the ladder legs can be removed from the coupling elements by a person standing on the ground in front of the ladder. A pair of springs bias the gates to a normally closed position against a stop member.
摘要翻译：公开了一种用于稳定梯子腿部的安全组件，其包括细长支撑杆，安装在支撑杆的相对端部上的一对U形间隔开的梯形腿联接元件和装置，例如一对支架，用于将支撑杆附接到梯子可操作定位的建筑物或结构上。耦合元件将梯子的腿限制在其中，以防止梯子在梯子上爬上或离开结构时侧向倾斜。附加的安全特征包括一对梯形腿痉挛销，其可以可拆卸地插入连接元件的腿部以紧紧地或紧密地将梯子限制在联接元件中。另一个安全特征包括一对可枢转地移动的闩锁，这些闩锁在耦合元件的另外的开口端处具有闭合位置，该闩锁可以通过拉绳向内摆动到打开位置，从而可以移除梯腿从耦合元件由一个站立在梯子前面的地面上的人。一对弹簧将门偏置到靠近止动件的常闭位置。

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