JPS61116378U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an embodiment of the present invention, Fig. 2 is a perspective view of its disassembled state, Fig. 3 is an enlarged longitudinal cross-sectional view of its connecting part, and Fig. 4 is a window frame of a memorization tool. 5 to 8 are respectively plan views of the state of use, FIG. 9 is a plan view of the device placed directly on the memorization paper, FIG. 10 is a perspective view of another example, and FIG. 11 12 is a vertical cross-sectional view of a main part showing another example of the connecting portion, and FIG. 12 is a perspective view of still another example. 1: Blind base piece, 1a, 1b, 2a, 2b: Blind sheet, 1c, 2c: Projection, 1d: Engagement piece, 3:
Concealment sheet, K: memorization tool, Ka: window frame, T: memorization book.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) In a memorization book or the like, which is used by being arranged on a memorization paper surface, a plurality of pieces are provided with shielding protrusions at different positions depending on the arrangement of the memorization paper surface. A blindfold board for memorization, characterized in that blindfold sheets are connected to each other so that they can be polymerized and separated. (2) One blindfold sheet is used as a base piece for fixing,
Utility Model Registration Claim 1: Engaging pieces for engaging with the window frame of the memorization tool and sliding the base piece are provided on both ends of the side where no protrusion is provided. Blindfold board as described in the section. (3) The blinding board according to claim 1 or 2 of the utility model registration claim, in which a concealing sheet capable of concealing the memorization sheet is connected between a plurality of blinding sheets.