Diamond circular saw blade

Description

FIG. 1 is a plan view of a diamond circular saw blade in accordance with the present design;

FIG. 2 is a front view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a sectional view taken along line 6--6 of FIG. 2;

FIG. 7 is a sectional view taken along line 7--7 of FIG. 2; and

FIG. 8 is an enlarged sectional view enclosed by lines 8--8 of FIG. 6.

A rear view is omitted because it is symmetrical to the front view.

FIG. 9 is a plan view of another diamond circular saw blade in accordance with the present design;

FIG. 10 is a front view thereof;

FIG. 11 is a bottom view thereof;

FIG. 12 is a left side view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a sectional view taken along line 14--14 of FIG. 10;

FIG. 15 is a sectional view taken along line 15--15 of FIG. 10; and

FIG. 16 is an enlarged sectional view enclosed by lines 16--16 and of FIG. 14;

FIG. 17 is a plan view of a further diamond circular saw blade in accordance with the present design;

FIG. 18 is a front view thereof;

FIG. 19 is a bottom view thereof;

FIG. 20 is a left side view thereof;

FIG. 21 is a right side view thereof;

FIG. 22 is a sectional view taken along line 22--22 of FIG. 18;

FIG. 23 is a sectional taken along line 23--23 of FIG. 18; and,

FIG. 24 is an enlarged sectional view enclosed by lines 24--24 and of FIG. 22.

The rear views are omitted because it is symmetrical to the front view.

Referenced Cited
U.S. Patent Documents
D364791 December 5, 1995 Dorma
D368419 April 2, 1996 Dorma
D392864 March 31, 1998 Koike et al.
3203140 August 1965 Hallez
3363617 January 1968 Hoerer
5477845 December 26, 1995 Zuzelo
5871005 February 16, 1999 Sueta
Foreign Patent Documents
63-6245 July 1984 JPX
65-7664 May 1985 JPX
770171 June 1989 JPX
946990 November 1995 JPX
Patent History
Patent number: D422865
Type: Grant
Filed: Feb 19, 1999
Date of Patent: Apr 18, 2000
Assignee: Osaka Diamond Industrial Co., Ltd. (Osaka)
Inventors: Akihiro Koike (Osaka), Tamotsu Nakano (Osaka), Mineo Ohnishi (Osaka)
Primary Examiner: Antoine Duval Davis
Law Firm: Wenderoth, Lind & Ponack, L.L.P.
Application Number: 0/100,876
Classifications
Current U.S. Class: D 8/70; Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: 0801;