Paper binder
FIG. 1 is a perspective view of a paper binder showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a magnified plan view showing a part taken along line 8--8 in FIG. 2;
FIG. 9 is a cross sectional view taken along line 9--9 in FIG. 8;
FIG. 10 is a cross sectional view taken along line 10--10 in FIG. 8;
FIG. 11 is a perspective view of the paper binder in a state that the paper binder is closed;
FIG. 12 is a perspective view of the paper binder in a state that a lever thereof is lifted up;
FIG. 13 is a top plan view of another embodiment of the paper binder;
FIG. 14 is a front view thereof;
FIG. 15 is a rear view thereof;
FIG. 16 is a left side view thereof;
FIG. 17 is a right side view thereof;
FIG. 18 is a perspective view of the paper binder shown in FIGS. 13-17 in a state that the paper binder is closed; and,
FIG. 19 is a perspective view of the paper binder shown in FIGS. 13-18 in a state that a the paper binder is opened.
Type: Grant
Filed: Mar 26, 1996
Date of Patent: Dec 23, 1997
Inventor: Hisao Sato (Nerima-ku, Tokyo)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Pamela Burgess
Law Firm: Kanesaka & Takeuchi
Application Number: 0/52,189