Guide bar for chain saw

- Sugihara Rinki Co., Ltd.

Latest Sugihara Rinki Co., Ltd. Patents:

Description

FIG. 1 is a left side elevational view of a guide bar for chain saw showing my new design, the right side being a mirror image thereof;

FIG. 2 is a top plan view of FIG. 1, the bottom being a mirror image thereof;

FIG. 3 is a rear elevational view of FIG. 1;

FIG. 4 is a front elevational view of FIG. 1; and

FIG. 5 is a perspective view of FIG. 1;

FIG. 6 is a left side elevational view of a second embodiment of a guide bar for chain saw showing my new design of FIGS. 1-5, the right side being a mirror image thereof;

FIG. 7 is a top plan view of FIG. 6, the bottom being a mirror image thereof;

FIG. 8 is a rear elevational view of FIG. 6;

FIG. 9 is a front elevational view of FIG. 6; and

FIG. 10 is a perspective view of FIG. 6;

FIG. 11 is a left side elevational view of a third embodiment of a guide bar for chain saw showing my new design of FIGS. 6-10, the right side being a mirror image thereof;

FIG. 12 is a top plan view of FIG. 11, the bottom being a mirror image thereof;

FIG. 13 is a rear elevational view of FIG. 11;

FIG. 14 is a front elevational view of FIG. 11; and

FIG. 15 is a perspective view of FIG. 11;

FIG. 16 is a left side elevational view of a fourth embodiment of a guide bar for chain saw showing my new design of FIGS. 11-15, the right being a mirror image thereof;

FIG. 17 is a top plan view of FIG. 16, the bottom being a mirror image thereof;

FIG. 18 is a rear elevational view of FIG. 16;

FIG. 19 is a front elevational view of FIG. 16; and

FIG. 20 is a perspective view of FIG. 16;

FIG. 21 is a left side elevational view of a fifth embodiment of a guide bar for chain saw showing my new design of FIGS. 16-20, the right being a mirror image thereof;

FIG. 22 is a top plan view of FIG. 21, the bottom being a mirror image thereof;

FIG. 23 is a rear elevational view of FIG. 21;

FIG. 24 is a front elevational view of FIG. 21; and

FIG. 25 is a perspective view of FIG. 21;

FIG. 26 is a left side elevational view of a sixth embodiment of a guide bar for chain saw showing my new design of FIGS. 21-25, the right being a mirror image thereof;

FIG. 27 is a top plan view of FIG. 26, the bottom being a mirror image thereof;

FIG. 28 is a rear elevational view of FIG. 26;

FIG. 29 is a front elevational view of FIG. 26; and

FIG. 30 is a perspective view of FIG. 26.

Referenced Cited
U.S. Patent Documents
2811342 October 1987 McCallum
3545505 December 1970 De Weese et al.
3762047 October 1973 Scott-Jackson
3955279 May 11, 1976 Pierson
4159569 July 3, 1979 Sundstrom
4321750 March 30, 1982 Sugihara
4381606 May 3, 1983 Ekrud et al.
4489493 December 25, 1984 Tsumura
4611401 September 16, 1986 Piller
4651424 March 24, 1987 Yamada
4693007 September 15, 1987 Apfel et al.
4722141 February 2, 1988 Lim et al.
Foreign Patent Documents
657445 February 1963 CAX
850803 DEX
57-13509 JPX
41-37792 JPX
496797 March 1979 JPX
Patent History
Patent number: D321819
Type: Grant
Filed: Mar 1, 1988
Date of Patent: Nov 26, 1991
Assignee: Sugihara Rinki Co., Ltd. (Gifu)
Inventor: Mitsukazu Takishita (Gifu)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Gary D. Watson
Law Firm: Jordan and Hamburg
Application Number: 7/162,460
Classifications
Current U.S. Class: D 8/70