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.
Patent No.:
Date of Patent:
Apr. 23, 2013
Filed:
Jun. 11, 2010
Daniel Richard Higgins, Tigard, OR (US);
Michael J. Kranda, Beaverton, OR (US);
Daniel Richard Higgins, Tigard, OR (US);
Michael J. Kranda, Beaverton, OR (US);
Other;
Abstract
An improved apparatus for cleaning linearly translating rods is described. Embodiments of the invention are suitable for use where a rod, such as a cleaning rod, is moved linearly through a stationary support, generally a cylindrical tube, such as a pneumatic cylinder, with bushings fixed inside the tube through which the rod slides. Preferred embodiments of the present invention allow the rod scraper to be attached or removed without disassembling the complete hydraulic cylinder rod apparatus. Preferred embodiments of the present invention also allow the rod scraper to float radially while its motion is constrained axially. This allows the invention to compensate for lateral displacement of a translating cylindrical cleaning rod due to normal working clearances between the cleaning rod and bushings or by bushing wear over time.