Education and demonstration – Language – Writing or printing by hand
Patent
1994-08-09
1996-05-14
Harrison, Jessica J.
Education and demonstration
Language
Writing or printing by hand
434163, G09B 1104
Patent
active
055162916
ABSTRACT:
A letter of a correct form is engraved in a plate member in the form of a groove having a specified depth. Either a side wall on the bottom side of the groove is arranged in the form of an inclined surface inclining towards the side facing the user at a specified angle, or both of the side walls on both a top side and the bottom side of the groove are arranged in the form of inclined surfaces inclining towards the side facing the user at a specified angle. The plate member may further have indicia indicating the correct order of writing the letter and/or the bottom surface of the groove may be provided with a resistant surface providing resistance to writing. Such arrangements enable a user to naturally and effectively master correct and beautiful letters and a correct holding angle of a writing tool.
REFERENCES:
patent: 2454632 (1948-11-01), Cohn
patent: 2456632 (1948-12-01), Greenberg
patent: 3197892 (1965-11-01), Hancy
patent: 3314171 (1967-04-01), Bethune
patent: 3526975 (1970-09-01), Reeves
patent: 3774319 (1973-11-01), Sprowls
patent: 3778910 (1973-12-01), Smalligan
patent: 3869813 (1975-03-01), Hancy
patent: 4685885 (1987-08-01), Maddocks
patent: 4846688 (1989-11-01), Jones
patent: 5000688 (1991-03-01), Clamp
Harrison Jessica J.
O'Neill Michael
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