JPH0354413U

JPH0354413U -

Info

Publication number: JPH0354413U
Application number: JP11264189U
Authority: JP
Priority date: 1989-09-26
Filing date: 1989-09-26
Publication date: 1991-05-27

Description

[Brief explanation of drawings]

第１図〜第３図はこの考案の実施例を示し、第
１図は分解斜視図、第２図は平面図、第３図は第
２図の−線にそう断面図、第４図は従来例を
示す第１図相当の分解斜視図である。１１，１２…材木、１１ａ，１２ａ…木肌面、
１１ｂ，１２ｂ…上面、１１ｃ，１２ｃ…下面、
１１ｄ，１２ｄ…側面、２１，２２…突条、３１
，３２…溝、５１…嵌合凹部、５２…嵌合突出部
。 Figures 1 to 3 show an embodiment of this invention; Figure 1 is an exploded perspective view, Figure 2 is a plan view, Figure 3 is a sectional view taken along the - line in Figure 2, and Figure 4 is a cross-sectional view taken along the - line in Figure 2. FIG. 2 is an exploded perspective view corresponding to FIG. 1 showing a conventional example. 11, 12... Timber, 11a, 12a... Wood surface,
11b, 12b...upper surface, 11c, 12c...lower surface,
11d, 12d...side surface, 21, 22...projection, 31
, 32...Groove, 51...Fitting recess, 52...Fitting protrusion.

Claims

[Scope of utility model registration request]

One surface is left as the wooden surface 11a, 12a, and the remaining three surfaces are flat horizontal upper surfaces 11b, 12b, lower surfaces 11c, 12c, and vertical side surfaces 11d, 1.
2d, the first timbers 11 are stacked in a crosswise manner at one end, and the first timbers 11 facing each other extend in the same direction. In between, a second lumber 12 is interposed to fill the gap, and the first lumber 12
A protrusion 21 extending in the length direction of the first lumber 11 is formed on the upper surface 11b of the lumber 11, excluding the stacked portion thereof, and a protrusion 21 is formed on the upper surface 12b of the second lumber 12 over the entire length of the second lumber 12. Projections 2 extending in the length direction of
2 are respectively formed, and both timbers 11
, 12 on the lower surfaces 11c, 12c of both protrusions 21, 2.
Grooves 31 and 32 are formed, respectively, so that the protrusion 21 of the first lumber 11 is in the groove 32 of the second lumber 12 immediately above it, and the protrusion 22 of the second lumber 12 is in the groove 32 of the second lumber 12 immediately above it. A fitting recess 51 is formed on the side surface 11d of the stacked portion of the first lumber 11, and a fitting protrusion 52 is formed on the end face of the second lumber 12, which An assembled structure made of log-like timber that is fitted into a fitting recess 51.