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. 11, 1989
Filed:
Apr. 01, 1987
Other;
Abstract
A dental instrument employs a tool having an upper portion for use in contacting teeth and a lower portion defining a shank with a lower end, a hollow elongated gripping holder having an opening at one end, a device in the holder communicating with the opening in the holder to removably receive said part of the shank, including the lower end; and a manually operated coupling mechanism having a first section connected to the holder and a second section on the shaft, the mechanism having a lock position at which the first section engages the second section in such a manner that the tool is locked in the holder in position for use, and having a release position at which the first and second sections are disengaging and the tool can be removed from the holder.