Patent ID: 8590250
Filing Date: 2013-11-26
Classification: E04F

Abstract:
1. A flooring material formed by assembling a plurality of flooring panels with one another, comprising: a recessed part formed at one end of a flooring panel; a tongue part formed at one end of another flooring panel so as to be assembled in the recessed part; an accommodating recess formed in the recessed part; and a rotational body which is rotatably accommodated in the accommodating recess, wherein the rotational body comprises an elongate structure divided into first and second halves with respect to a longitudinal central position thereof, wherein the first and second halves are asymmetrical to each other in a shape, wherein the rotational body secures the tongue part by being rotated in one direction when the tongue part is assembled in the recessed part, and releases the tongue part from the secured state by being rotated in the opposite direction when the tongue part is separated from the recessed part.