This application claims priority to Canadian Patent Application No. 2,928,680, entitled Post Holder, filed May 4, 2016, the disclosure of which is hereby incorporated in its entirety by reference.
The invention relates to railings, and more particularly to post holders for securing posts for railing systems.
Railings on platforms, such as, stairs, stoops, porches and balconies, may prevent individuals from falling off of a platform, and also provide support. Railing systems typically comprise main vertical posts supporting a top hand railing and in between the main posts a railing barrier, such as, glass panels, more posts or other barrier. Certain building codes allow only a clearance of at most four inches from the platform to the bottom of a railing system. The main vertical posts need to be attached to the platform (e.g. concrete slab or wooden deck etc.).
In a prior art system for attaching a post to a platform shown in
In another prior art system for attaching a post to a platform as shown in
In the prior art systems, in order to adjust a post's height (e.g. to keep the hand rail even), shims may be used under the base plate. In the prior art system shown in
Canadian Patent No. 2,200,265 entitled “Railing Assembly” demonstrates the use of a square base and Canadian Patent Application No. 2,648,348 entitled “Railings” demonstrates the use of a circular base, but in both instances the bases are screwed or bolted into the platform.
In Canadian Patent Application No. 2,650,097 entitled “Railing Post and Methods for Making and Using Same”, a post is screwed onto a base plate with four screws extending into the four corners of the post from below the base plate. Canadian Patent Application No. 2,706,896 entitled “A Post Holder” provides a post holder with a sturdy base extending outwardly and a sleeve for insertion of a post. Canadian Patent No. 1285739 entitled “Post Holder Bracket” does not include a sleeve, but rather a two sided bracket.
In U.S. patent application Ser. No. 09/838,188 (Publication No. 2002/0152713) entitled “Baluster” the post is not attached to a base plate but rather elongated for attachment to the side of the base platform through securing means through the side of the bottom of the elongated post.
In an embodiment of the present invention, there is a post holder for a hollow post, said post holder comprising a shaft joined to a base, said shaft having a diameter less than the inner diameter of said hollow post.
The shaft of the post holder may additionally comprise an open channel running from a top to a bottom of the shaft. The shaft may be joined to said base with a weld, or the shaft and base may be manufactured together as one part.
In an embodiment of the invention, the shaft of the post holder is twelve inches in height, and in another embodiment the shaft is the same height as the post.
The base may be predrilled with at least one hole to be used to pass at least one bolt through the base into a platform, such as concrete slab.
The shaft and/or base of the post holder may be made of aluminum.
A post holder of the present invention may comprise a shaft having a first end and a second end, and a base supporting said second end of said shaft, said shaft having an open channel running from said first end of said shaft to said second end of said shaft.
In an embodiment of the present invention there is provided a kit of a post holder and a hollow post, said post holder comprising a shaft joined to a base, said shaft having a diameter less than the inner diameter of said hollow post, and said post capable of fitting over the post holder.
These and other aspects of the present invention will be apparent from the brief description of the drawings and the following detailed description in which:
As shown in
The shaft 20 may additionally include a weld 50 at the bottom of the shaft to attach it to the base 30, or alternatively the shaft and base can be manufactured in one piece together. When the post holder 10 is covered by a post, the weld 50 may prevent a post from being flush with the base at the bottom. For example, the weld could be 5/16 of an inch.
In this embodiment, the shaft 20 has an open channel 40 running along its length. The open channel 40 is not required, but is helpful if a railing barrier (not shown), such as a glass panel, is installed between posts since the means to attach the railing barrier to the post can extend into the open channel 40 and not interfere with the movement of the post along the post holder 10. If the shaft 20 does not include an open channel 40, a post can include a J-channel attached to it for attachment of a railing barrier so that the post may still slide unimpeded up and down the post holder 10.
The post holder can be comprised of any material which allows it to be rigid enough to support a post, for example, aluminum, steel or composites, but plastics and even wood could provide such support.
As shown in
The shaft 20 has a diameter which is smaller than the inner diameter of a post 70 in order for a post to slide along it. Although a square post is shown, it will be understood that the present invention also relates to other shapes of post, e.g. circular or rectangular, since the post holder of the present invention can be adapted to the particular posts 70 being used in the railing system.
For example, a post with a circular perimeter would have a corresponding post holder with a shaft having a circular outer edge over which the post fits.
The base 30 shown in this embodiment is square, but it will be understood that the base 30 could be any shape, for example, circular, square or rectangular, that allows the shaft to be attached to the base and the base to be attached to a platform.
A hand rail 100 is shown in
The post holder is attached to a platform 110, such as a concrete slab, by base securing means 120, such as a bolt, through the base 30. The base 30 may be attached to the platform 110 with the base securing means 120 before adding the post 70, and at least one bolt and preferably two bolts may be used to secure the base 30 to the platform 120. The base 30 may be pre-punched with holes (not shown) for ease of attaching the base 30 to a platform 110. In
In
In this embodiment of the post holder 10, the shaft 20 has a profile as shown in
In an embodiment of the present invention, the post holder 10 has a twelve inch shaft 20 and the post 70 slides over the top 90 and flat down onto the base 30 or resting on a weld 50. The shaft 20 may be a variety of heights and adjusted depending on the particular railing system. If a building code requires that the space between a platform 110 and the bottom of a railing barrier is no more than 4 inches, and the railing barrier is attached to the post, the post can slide up and down the shaft 20 to ensure that there is no more than four inches clearance (and much less if desired). When the position of a post 70 is adjusted along the shaft 20 of a post holder, the post needs to be secured in that position, which can be accomplished with one or more screws (not shown) through the side of the post into the shaft. Even if a post 70 is flush with the base 30 or weld 50 at the bottom of the post, the post can be attached to the shaft 20 with self-tapping screws. For example, for a post 70 and shaft 20 made of aluminum, such screw(s) can be stainless steel self-drilling screws and two such screws can be used.
The ability to adjust a post 70 along a post holder 10 allows accommodation for a platform's 110 curvature, slope or unevenness and removes the need to use shims which means that the base 30 sits directly on the platform 110 rather than on any shims.
As shown in
Although there is no shoe in the prior art means shown in
While embodiments of the invention have been described in the detailed description, the scope of the claims should not be limited by the preferred embodiments set forth in the examples, but should be given the broadest interpretation consistent with the description as a whole.
Number | Date | Country | Kind |
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2,928,680 | May 2016 | CA | national |