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:
Jun. 05, 2001
Filed:
Sep. 27, 1999
Michael O. Williams, Gulfport, MS (US);
Other;
Abstract
A new expansion complex is provided for a mandibular and maxillary arch expander. The arch expander includes first and second forward orthodontic bands and a pair of rear orthodontic bands operatively connected to the forward orthodontic bands. The expansion complex includes an arm extending lingually from a lingual side of the first forward orthodontic band. An expander body is rotationally mounted on the arm to rotate about the arm. A passage extends through the body, and the arm extends into a rear end of the passage. The body passage is internally threaded near the front of the body. An expansion rod is mounted to a lingual side of the second forward orthodontic band. The expansion rod is externally threaded at a rear end thereof to be threadedly received in the threaded portion of the body passage. The expansion rod has a bore extending forwardly from the rear end of the rod which receives the arm. The back end of the body passage can be counterbored to receive a coil spring which is journaled about the arm.