Air motor

- Graco Inc.
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a bottom perspective view of the air motor. The broken line showing is included for the purpose of illustrating environmental elements only and forms no part of the claimed design;

FIG. 2 is a top plan view threof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a right side elevation view thereof.

Referenced Cited
U.S. Patent Documents
D208594 September 1967 Zoehfeld
D323813 February 11, 1992 Keck
4060336 November 29, 1977 Theis, Jr. et al.
4921408 May 1, 1990 Kvinge et al.
Other references
  • Graco publication 303-088, Air-Powered Low Pressure Pumps 0-500 PSI .COPYRGT.1990. Submitted by applicants. Graco publication 303-077, Air-Powered Medium Pressure Pumps 500-1800 PSI .COPYRGT.1990. Submitted by applicants. Graco publication 303-066, Air-Powered High Pressure Pumps 1800-5000 PSI .COPYRGT.1990. Submitted by applicants. Graco publication 303-099, Air-Powered Drum Pumps .COPYRGT.1990. Submitted by applicants.
Patent History
Patent number: D345138
Type: Grant
Filed: Jul 31, 1992
Date of Patent: Mar 15, 1994
Assignee: Graco Inc. (Minneapolis, MN)
Inventors: Frederick A. Powers (Maple Grove, MN), Harold D. Johnson (Buffalo, MN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Attorney: Douglas B. Farrow
Application Number: 7/922,970
Classifications
Current U.S. Class: Generator, Motor Or Casing Therefor (D13/112)