Piston for refrigerant compressors
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FIG. 1 is a front elevational view of a piston for refrigerant compressors showing my new design;
FIG. 2 is a rear elevational view;
FIG. 3 is a left side elevational view;
FIG. 4 is a top plan view;
FIG. 5 is a bottom plan view;
FIG. 6 is a cross-sectional view taken along the line 6—6 of FIG. 1; and
FIG. 7 is a perspective view;
FIG. 8 is a front elevational view of a piston for refrigerant compressors showing a second embodiment of my new design;
FIG. 9 is a rear elevational view of FIG. 8;
FIG. 10 is a left side elevational view of FIG. 8;
FIG. 11 is a top plan view of FIG. 8;
FIG. 12 is a bottom plan view of FIG. 8;
FIG. 13 is a cross-sectional view taken along the line 13—13 of FIG. 8; and,
FIG. 14 is a perspective view of FIG. 8.
Claims
The ornamental design for pistons for refrigerant compressors, as shown.
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| 5490767 | February 13, 1996 | Kanou et al. |
| D371562 | July 9, 1996 | Rushfeldt |
| D402295 | December 8, 1998 | Kayukawa et al. |
| D417225 | November 30, 1999 | Kimura et al. |
| 5988041 | November 23, 1999 | Hiramatsu et al. |
| D417876 | December 21, 1999 | Kayukawa et al. |
| D436113 | January 9, 2001 | Kayukawa et al. |
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Type: Grant
Filed: Dec 20, 2001
Date of Patent: Mar 4, 2003
Assignee: Sanden Corporation (Gunma)
Inventor: Masataka Tsunoda (Isesaki)
Primary Examiner: Ralf Seifert
Attorney, Agent or Law Firm: Baker Botts L.L.P.
Application Number: 29/152,372
