The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 09, 2010

Filed:

Dec. 21, 2005
Applicants:

James C. Schroeder, Ramsey, MN (US);

Eric J. Finstad, Rogers, MN (US);

Neil A. Taylor, Elk River, MN (US);

Robert J. Gundersen, Otsego, MN (US);

Inventors:

James C. Schroeder, Ramsey, MN (US);

Eric J. Finstad, Rogers, MN (US);

Neil A. Taylor, Elk River, MN (US);

Robert J. Gundersen, Otsego, MN (US);

Assignee:

Graco Minnesota Inc., Minneapolis, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01C 23/16 (2006.01); E01C 23/22 (2006.01); B05B 9/04 (2006.01); B05B 1/28 (2006.01); E01H 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A line striper () is provided with a relatively small engine () operating a reciprocating piston pump () and having a centrifugal clutch () which actuates when a predetermined engine speed has been reached. A pressure bypass device () which opens at either a fixed or adjustable pressure is provided to bleed off excess pressure and maintain a consistent spraying pressure. A double acting trigger () is provided for the operator to actuate the spray gun () and raise the engine speed simultaneously.


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