Birch, Stewart, Kolasch & Birch, LLP
Groundwork frame structure
An improved groundwork frame comprises a protruded bar each disposed in the middle of the top of an upper board and a lower board; an embedding groove being disposed in the middle of the bottom of the groundwork frame and corresponsive to the protruded bar; an upper groove and a lower groove respectively disposed on both sides of each floor board to define an embedded assembly; an opening being disposed on each corresponding edge of adjacent boards; an elastic clamp for clipping and securing the groundwork frame, and each floor board having a chamber; a screw hole and an adjusting screw hole being disposed on both sides of the chamber, such that the lower board on the floor being sheathed in the latch and an adjusting screw rod for adjusting the floor to an appropriate height.
E
E02D
inventional
Yueh-Chu
Chen