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.:

US 8167616 B1

PDF
Full Text
Expired
Date of Patent:
May. 01, 2012

Filed:

Mar. 12, 2010
Applicants:

Mohammad Ali Jamnia, Pleasant Prairie, WI (US);

Neville Hammond, Schaumburg, IL (US);

Howard Wax, Deerfield, IL (US);

Ronald Saslow, Highland Park, IL (US);

Inventors:

Mohammad Ali Jamnia, Pleasant Prairie, WI (US);

Neville Hammond, Schaumburg, IL (US);

Howard Wax, Deerfield, IL (US);

Ronald Saslow, Highland Park, IL (US);

Assignee:

Hu-Friedy Mfg. Co., LLC, Chicago, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A dental hand piece with replaceable tips at either end of a tubular handle, each of the replaceable tips including a tip assembly having an instrument working tip end at a distal end of a main tip body and a shank extending from the instrument working tip end to a proximal end of the main tip body. The tip assembly may be provided with a flat-blade extension end at the proximal end of the main tip body. The flat-blade extension end passes through a keyway-shaped slot provided in a locking component, and engages locking structure provided on a cylindrical barrel member. Replaceable tips at the ends of the tubular handle may be secured in 180° orientation to one another. A spring arm member may additionally or alternatively engage notches along an interior wall of the cylindrical barrel member.


Find Patent Forward Citations

Loading…