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:
Sep. 02, 2008
Filed:
Mar. 15, 2007
Applicants:
Kevin J. Leary, Hamilton, MA (US);
Frank Mark Domzalski, Wellesley, MA (US);
Inventors:
Kevin J. Leary, Hamilton, MA (US);
Frank Mark Domzalski, Wellesley, MA (US);
Assignee:
ITT Manufacturing Enterprises, Inc, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 35/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a float level switch featuring a housing; an actuator shaft arranged in the housing; and a low force shaft seal assembly arranged between the actuator shaft and the housing, having a combination of disks or seals, one being made of a semi-rigid lubricious material, for maintaining a watertight seal with a substantially reduced rotational force or friction on the actuator shaft than a conventional O-ring.