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    Ladder system including a caster bracket and method of forming
    12.
    发明授权
    Ladder system including a caster bracket and method of forming 失效
    梯子系统包括脚轮支架和成型方法

    公开(公告)号：US5653306A

    公开(公告)日：1997-08-05

    申请号：US611281

    申请日：1996-03-06

    申请人： Roy B. Bendickson ,  Jay P. Smith

    发明人： Roy B. Bendickson ,  Jay P. Smith

    IPC分类号： E06C1/39 ,  E06C1/397 ,  E06C5/00

    CPC分类号： E06C1/397 ,  E06C1/39 ,  Y10T16/19

    摘要： A ladder system comprising a ladder having side rails and a plurality of steps disposed between the side rails. The ladder system also is comprised of at least one corner brace for supporting a bottom step of the ladder. The corner brace is attached to a side rail of the ladder and the bottom step. Additionally, the ladder system is comprised of at least one caster assembly integrally attached to the corner brace for allowing the ladder to roll. Preferably, the caster assembly and corner brace are disposed on the ladder such that a predetermined weight placed on the ladder prevents the ladder from rolling. The corner brace is preferably comprised of a first portion, a second portion connected to the first portion and a third portion connected to the second portion. The first portion is attached to a bottom of the ladder. The second portion is attached to the caster assembly. Additionally, the third portion is attached to a rail of the ladder. A caster apparatus comprises a corner brace for supporting a bottom step of a ladder. The caster apparatus is also comprised of a caster assembly integrally attached to the corner brace for allowing the ladder to roll. A method for forming a ladder system. The method comprises the steps of attaching a caster assembly to a corner brace for a ladder such that the caster assembly is in biased sliding relationship with the corner brace. Then, there is the step of fixing the corner brace having the caster assembly to a bottom step of the ladder and to a side rail of the ladder such that the rail is maintained off of ground by the caster assembly when there is essentially no weight on the ladder. Preferably, after the fixing step, there is the step of rolling the ladder on the caster assembly to a desired location.

    摘要翻译： 一种梯子系统，包括具有侧轨的梯子和设置在所述侧轨之间的多个台阶。 梯子系统还包括用于支撑梯子的底部台阶的至少一个角撑架。 拐角支架连接到梯子的侧轨和底部台阶。 另外，梯子系统由至少一个脚轮组件组成，脚轮组件整体连接到角撑架上，以允许梯子滚动。 优选地，脚轮组件和拐角支架设置在梯子上，使得放置在梯子上的预定重量可防止梯子滚动。 角撑杆优选地包括第一部分，连接到第一部分的第二部分和连接到第二部分的第三部分。 第一部分附着在梯子的底部。 第二部分连接到脚轮组件。 另外，第三部分附接到梯子的轨道上。 脚轮装置包括用于支撑梯子的底部台阶的角撑架。 脚轮装置还包括整体连接到角撑架上的脚轮组件，用于允许梯子滚动。 一种形成梯子系统的方法。 该方法包括以下步骤：将脚轮组件连接到用于梯子的角撑架上，使得脚轮组件与角撑架偏置滑动关系。 然后，将具有脚轮组件的角撑杆固定到梯子的底部台阶和梯子的侧轨上，使得当基本上没有重量时轨道被脚轮组件固定在地面之下的步骤 梯子。 优选地，在固定步骤之后，存在将脚轮组件上的梯子滚动到期望位置的步骤。

    Snips having button locking mechanism
    14.
    发明授权
    Snips having button locking mechanism 失效
    剪刀具有按钮锁定机构

    公开(公告)号：US4947553A

    公开(公告)日：1990-08-14

    申请号：US271201

    申请日：1988-11-14

    申请人： Roy B. Bendickson ,  Robert A. Seaton

    发明人： Roy B. Bendickson ,  Robert A. Seaton

    IPC分类号： A01G3/02 ,  B25B7/14 ,  B26B13/16

    CPC分类号： B26B13/16 ,  A01G3/02 ,  B25B7/14

    摘要： A hand tool according to the invention, such as a pair of snips, has a releasable locking mechanism whereby the jaws of the tool can be secured in a closed position. The locking mechanism includes a pair of projections disposed in offset, opposing positions on the handles of the tool. The projections have respective holes which are brought into alignment when the tool handles are brought together to close the jaws. A suitable mechanism, such as a rectactable button, engages both holes and holds the handles together against the force of a spring which biases the jaws towards an open position. The locking mechanism can include a groove-and-projection detent mechanism which allows the jaws to be unlocked by simply squeezing the handles.

    摘要翻译： 根据本发明的手工工具，例如一对剪刀，具有可释放的锁定机构，由此工具的爪可以固定在关闭位置。 锁定机构包括一对突出部，该对突起设置在工具手柄上的相对位置上。 这些突起具有相应的孔，当工具把手被聚集在一起以封闭钳口时，这些孔被对准。 合适的机构，例如可直接按钮，与两个孔啮合，并克服弹簧的力将手柄保持在一起，该弹簧将夹爪偏向打开位置。 锁定机构可以包括凹槽和突出的止动机构，其允许通过简单地挤压把手来解锁爪。