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:
Jan. 31, 2012
Filed:
Jan. 23, 2007
David Mosimann, Bienne, CH;
Vincent Mosimann, Legal Representative, La Neuveville, CH;
Luc Maître, Epauvilliers, CH;
David Mosimann, Bienne, CH;
Vincent Mosimann, legal representative, La Neuveville, CH;
Luc Maître, Epauvilliers, CH;
Bien-Air Holding SA, Bienne, CH;
Abstract
A hand-held instrument, for dental or surgical use, intended to rotate a rectilinear detachable tool () includes a tubular sheath (); a hollow shaft () rotatably mounted inside the sheath with an upstream portion () and a downstream portion () which in turn includes an upstream portion () partially clamped around the upstream portion () of the shaft and a downstream portion () of which the inside diameter substantially matches the outside diameter of the tool (); a clamp () rigidly rotationally connected to the shaft () but movable along the axis thereof, which clamp is placed inside and concentric with the upstream portion () of the shaft; and elements for moving the clamp () longitudinally so that the jaws () thereof penetrate under the upstream portion () of the shaft () thereby gripping the tool.