Patent ID: 6547478
Filing Date: 2003-04-15
Classification: A47B,Y10T

Abstract:
A coupling plate frame integrally made of hardened high molecular material, comprising:a first plate section with an engaging hole; a second plate section, spaced from the first plate section; a vertical plate section formed integral with, and connecting the first and second plate sections, the vertical plate section having a width diminishing in a direction from the first plate section toward the second plate section, the vertical plate section having an engaging hole near the second plate and a first face with an elongated central recess extending from the first plate section to the second plate section and a second, opposite face with a rib corresponding in location to the elongated recess; and a flap plate extending from each of two opposite lateral sides of the first plate section, the vertical plate section, and the second plate section, respectively, a distance between the flap plates being greater than a width of the second plate section; whereby, the coupling plate can be lapped to another coupling plate.