Patent ID: 7201173
Filing Date: 2007-04-10
Classification: A61C

Abstract:
1. A dental floss holder, comprising: a main body; a retractable member movably mounted on a first end of the main body; a rotation member rotatably mounted in the main body and having a first end engaged with the retractable member to move the retractable member axially relative to the main body by rotation of the rotation member; and a control member rotatably mounted on a second end of the main body and engaged with a second end of the rotation member to rotate the rotation member; wherein the first end of the main body is formed with a first tube having an inner wall formed with a square hole, and the retractable member has a first end formed with a square bar movably mounted in the square hole of the main body; the square bar of the retractable member is formed with a screw bore, and the first end of the rotation member is formed with a threaded rod screwed into the screw bore of the square bar; the inner wall of the first tube of the main body has an end formed with a plurality of downward extended elastic locking hooks, and the first end of the rotation member is formed with a tapered locking portion located under the threaded rod and locked on the locking hooks of the first tube of the main body.