Piston for compressors employed in automobile air-conditioners

Description

FIG. 1 is a front elevational view showing a piston for compressors employed in automobile air-conditioners;

FIG. 2 is a rear elevational view showing the piston of FIG. 1;

FIG. 3 is a top plan view showing the piston of FIG. 1;

FIG. 4 is a bottom plan view showing the piston of FIG. 1;

FIG. 5 is a right side elevational view showing the piston of FIG. 1, the left side view being a mirror image thereof;

FIG. 6 is a cross-sectional view taken along line 6--6 of FIG. 1;

FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 5;

FIG. 8 is a cross-sectional view taken along line 8--8 of FIG. 5;

FIG. 9 is a perspective view showing the piston of FIG. 1; and,

FIG. 10 is a cross-sectional view showing a piston according to the present invention employed in a compressor.

The broken lines in FIG. 10 are shown for illustrative purposes only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D402295 December 8, 1998 Kayukawa et al.
D417225 November 30, 1999 Kinura et al.
D417876 December 21, 1999 Kayukawa et al.
5461967 October 31, 1995 Burkett et al.
5490767 February 13, 1996 Kanou et al.
Foreign Patent Documents
07189900 July 1995 JPX
9-203378 August 1997 JPX
Patent History
Patent number: D428423
Type: Grant
Filed: Aug 12, 1999
Date of Patent: Jul 18, 2000
Assignee: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho (Aichi-ken)
Inventors: Masato Takamatsu (Kariya), Fuminobu Enokijima (Kariya)
Primary Examiner: Ralf Seifert
Law Firm: Morgan & Finnegan, L.L.P.
Application Number: 0/109,281
Classifications
Current U.S. Class: Compressor (D15/9)
International Classification: 1502;