VARIABLE INDICATING DEVICE FOR WRITING BOARD, AND WRITING BOARD

摘要

PROBLEM TO BE SOLVED: To permit the changing of the arrangement (interval) of a bottom shaped member and a top shaped member by making the bottom shaped member and the top shaped member differently and connecting them through a joint member. ;SOLUTION: A variable indicating device 9 for a writing board is constituted of a rail member 13, constituted of an L-shape bottom shaped member 10 consisting of a horizontal lower plate 10y projected from the lower rim of a vertical back plate 10x, a reverse L-shape top shaped member 11 consisting of a horizontal upper plate 11y projected from the upper rim of the vertical back plate 10x, and a joint member 12 for connecting both of the bottom shaped member 10 and the top shaped member 11 integrally, and an indicating member 14, arranged in an area between the lower plate 10y and the upper plate 11y under lengthwisely movable condition.;COPYRIGHT: (C)2000,JPO