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公开(公告)号：US09482053B2
公开(公告)日：2016-11-01
申请号：US14078818
申请日：2013-11-13
申请人： William D. Polzen
发明人： William D. Polzen
IPC分类号： E06C1/00 , E06C7/18 , E06C7/42 , A47F5/00 , E04G25/00 , F16M13/00 , E06C7/44 , E06C7/08 , E06C7/50 , E06C1/20 , E06C1/22
摘要： According to principles of the present inventive concepts, a ladder safety device can include one or more stabilizing legs configured to be removably or permanently attached to a ladder. In a preferred embodiment, an attachment mechanism of the ladder safety device removably attaches to the ladder through rung holes already present in the ladder. The stabilizing legs are preferably secured in the attachment mechanism such that they can be securely oriented at a desired angle extending away from the ladder legs and can be independently extended to have a desired length.
摘要翻译： 根据本发明构思的原理，梯子安全装置可以包括构造成可拆卸地或永久地附接到梯子的一个或多个稳定腿。 在一个优选实施例中，梯子安全装置的安装机构通过已经存在于梯子中的梯形孔可移除地附接到梯子。 稳定腿优选地固定在附接机构中，使得它们可以以远离梯子腿延伸的期望角度被牢固地定向，并且可以独立地延伸以具有期望的长度。
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公开(公告)号：US20200087985A1
公开(公告)日：2020-03-19
申请号：US16132770
申请日：2018-09-17
申请人： William D. Polzen
发明人： William D. Polzen
摘要： According to principles of the present inventive concepts, various improvements to a ladder safety device are provided. In one embodiment, a simplified attachment mechanism can be provided where an angled leg bracket is aligned with and then permanently affixed to base bracket. The base bracket may include sidewalls to bracket around opposite sides of a ladder leg. An attachment mechanism of the ladder safety device may removably attach to the ladder through rung holes already present in the ladder using alignment tubes, one of which is threaded to receive a bolt. In other embodiments, the attachment mechanism may comprise an inner and outer mount configured to securely sandwich the ladder leg between the mounts. Enlarged foot pads, leg extensions, level mounts, and other accessories may also be provided to further improve the ladder safety device.
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公开(公告)号：US20140131541A1
公开(公告)日：2014-05-15
申请号：US14078818
申请日：2013-11-13
申请人： William D. Polzen
发明人： William D. Polzen
IPC分类号： E06C7/18
摘要： According to principles of the present inventive concepts, a ladder safety device can include one or more stabilizing legs configured to be removably or permanently attached to a ladder. In a preferred embodiment, an attachment mechanism of the ladder safety device removably attaches to the ladder through rung holes already present in the ladder. The stabilizing legs are preferably secured in the attachment mechanism such that they can be securely oriented at a desired angle extending away from the ladder legs and can be independently extended to have a desired length.
摘要翻译： 根据本发明构思的原理，梯子安全装置可以包括构造成可拆卸地或永久地附接到梯子的一个或多个稳定腿。 在一个优选实施例中，梯子安全装置的安装机构通过已经存在于梯子中的梯形孔可移除地附接到梯子。 稳定腿优选地固定在附接机构中，使得它们可以以远离梯子腿延伸的期望角度被牢固地定向，并且可以独立地延伸以具有期望的长度。
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