Patent
   D333472
Priority
Aug 30 1989
Filed
Feb 28 1990
Issued
Feb 23 1993
Expiry
Feb 23 2007
Assg.orig
Entity
unknown
5
4
n/a
The ornamental design for an air cylinder, as shown and described.

FIG. 1 is a front elevational view of an air cylinder showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a right side elevational view;

FIG. 5 is a rear elevational view;

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

FIG. 7 is a cross sectional view taken along the lines of 7--7 of FIG. 4;

FIG. 8 is a top, front and right perspective view;

FIG. 9 is a right side elevational view of an air cylinder showing a second embodiment of my new design wherein the only difference from the embodiment shown in FIGS. 1 through 8 is the variation in length;

FIG. 10 is a right side elevational view of an air cylinder showing a third embodiment of my new design wherein the only difference from the embodiment shown in FIGS. 1 through 9 is the variation in length;

FIG. 11 is a front elevational view of an air cylinder showing a fourth embodiment of my new design;

FIG. 12 is a top plan view of FIG. 11;

FIG. 13 is a right side elevational view of FIG. 11;

FIG. 14 is a left side elevational view of FIG. 11;

FIG. 15 is a bottom plan view of FIG. 11;

FIG. 16 is a rear elevational view of FIG. 11;

FIG. 17 is a cross sectional view taken along the lines 16--16 of FIG. 11;

FIG. 18 is a sectional view taken along the lines 17--17 of FIG. 13;

FIG. 19 is a top, front right side perspective view of FIG. 11;

FIG. 20 is a right side elevational view of an air cylinder showing a fifth embodiment of my new design wherein the only difference from the embodiment shown in FIGS. 11 through 18 is the variation in length; and,

FIG. 21 is a right side elevational view of an air cylinder showing a sixth embodiment of my new design wherein the only difference from the embodiment shown in FIGS. 11 through 18 is the variation in length.

Aizawa, Akira

Patent Priority Assignee Title
D370683, Jul 05 1995 Ingersoll-Rand Company Pneumatic cylinder
D373364, Nov 30 1994 SMC Corporation Rodless cylinder
D373366, Feb 24 1995 Sanden Corp. Refrigerant compressor
D442607, Aug 18 2000 Graco Minnesota Inc.; Graco Minnesota Inc Air operated piston pump
D817474, Oct 09 2013 Control Devices, LLC Condensate trap housing
Patent Priority Assignee Title
4597721, Oct 04 1985 VALCO CINCINNATI, INC. Double acting diaphragm pump with improved disassembly means
D244681, Aug 14 1975 Vapor Corporation Fluid pump or similar article
D264972, Jan 31 1980 The Coca-Cola Company; The Cornelius Company Fluid pump
D295753, Apr 28 1986 Peninsular, Inc. Air cylinder
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 28 1990SMC Corporation(assignment on the face of the patent)
Mar 20 1990AIZAWA, AKIRASMC CorporationASSIGNMENT OF ASSIGNORS INTEREST 0063370134 pdf
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