Heavy wood construction block has two lumps on upper part and two flutings in lower part and assembled end to end by false tongue housing, reamed holes allow passage of screw connecting block to support

摘要

The heavy wood construction block has two lumps (1) on its upper part and two flutings (2) in its lower part. Its end to end assembly is made by a false tongue housing (8). Two holes (10) are reamed in the upper part and at the two ends enabling the passage of a screw for connecting the block to the support.