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. 16, 1986
Filed:
Jan. 14, 1985
Applicant:
Inventors:
Joseph P Lares, Redwood City, CA (US);
Mark Cowell, San Carlos, CA (US);
Assignee:
Lares Research, San Carlos, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C / ;
U.S. Cl.
CPC ...
433129 ; 279123 ;
Abstract
A dental handpiece grips a removable dental tool by teeth within the end of a resilient quill carried within the spindle of said handpiece and when rotated in one direction by the handpiece turbine providing an axial force on the dental tool tending to draw the tool axially into the quill despite any opposite pull due to teeth on the dental tool.