Stair tread structure

Abstract

A stair tread structure includes a tread body made up of a core layer, a plurality of lateral connecting members, a tread end member, a plurality of external connecting sheets, and an elongate nose member wherein the core layer and the tread end member are respectively made up of one or more than one board bodies of recycled wood, plywood, sawdust, and other lower quality materials that are integrally processed and firmly bonded into one piece. The core layer has a pair of lateral coupling portions symmetrically protruding at both lateral end surfaces thereon, and the lateral connecting member is provided with a coupling groove indented at one lateral end surface to correspondingly match with the coupling portions of the core layer for close engagement therewith. Therefore, via the aforementioned structure thereof, the tread body obtained thereby is efficiently manufactured in an easier and speedier manner and economically processed with the best use of recycled resources for environmental protection thereof.

Description

BACKGROUND OF THE INVENTION [0001] The present invention is related to a stair tread structure, including a tread body made up of a core layer, a plurality of lateral connecting members, a tread end member, a plurality of external connecting sheets, and an elongate nose member wherein the core layer and the tread end member are respectively made up of one or more than one board bodies of recycled wood, plywood, sawdust, and other lower quality materials that are integrally processed and firmly bonded into one piece with the lateral connecting members, the external connecting sheets, and the tread nose member securely glued thereto via synthetic adhesive, facilitating an easier and speedier manufacturing process of the tread body to achieve economical efficiency as well as environmental protection thereof. [0002] Please refer to FIG. 1. A conventional stair tread structure as disclosed in U.S. Pat. No. 5,985,398 comprises a tread body 10 made up of an elongate nose member 11, and a p...

AI Technical Summary

Benefits of technology

"The present invention provides a stair tread structure that is made up of a core layer, lateral connecting members, tread end member, external connecting sheets, and an elongate nose member. The core layer and tread end member are made of recycled wood or other lower quality materials that are integrally processed and bonded together, efficiently making the best use of recycled resources for environmental protection. The elongate nose member is integrally processed and quickly bonded together via synthetic adhesive, facilitating an easier and speedier manufacturing thereof to achieve the economical efficiency and avoid the risk of detachment and deformation of the stair body thereof. The elongate nose member is also provided with a curved front flange that can be alternatively made to provide various decorative patterns thereon, achieving the stylistic change and beauty of the stair tread thereof."

Problems solved by technology

There are some drawbacks to such conventional stair tread structure.

First, the tread body 10 is made up of multiple tread pieces 12 that are glued laterally adjacent to each other before the nose member 11 is applied and bonded thereto, which is quite tedious and complicated in the manufacturing process and uneconomical in terms of efficiency thereof.

Second, the tread body 10 with the tread pieces 12 and the nose member 11 simply glued together provides a rather poor and inconsistent bonding that can cause the connected tread pieces 12 to dissever and make the tread body 10 inconvenient in use.

There are some disadvantages to the second conventional stair tread structure.

The stair tread obtained thereby is, therefore, characterized by a complicated manufacturing process that, taking a lot of time and efforts, is rather uneconomical in terms of efficiency.

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