Rotary spool valve

- A-Dec, Inc.
Description

FIG. 1 is a top perspective view of a rotary spool valve showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right end elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a left side elevational view thereof.

Referenced Cited
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Patent History
Patent number: D320257
Type: Grant
Filed: Jan 23, 1989
Date of Patent: Sep 24, 1991
Assignee: A-Dec, Inc. (Newberg, OR)
Inventors: George K. Austin, Jr. (Newberg, OR), Charles A. Nelson, Jr. (Tigard, OR)
Primary Examiner: James R. Largen
Assistant Examiner: Demetrius Reynolds
Law Firm: Klarquist, Sparkman, Campbell, Leigh & Whinston
Application Number: 7/299,740