| 摘要 |
<p>A dental floss bow consisting of a bow body (1), a tapered-hole body (2), a grip nut (3), a cone-shaped body (4) and a tightening nut (5) is provided The upper portion of the bow body is a U-shaped fork (1b) with a groove The lower portion of the bow body is a bin (Id) containing a roll of dental floss The bow body also has a square hole (1g) for receiving the lower part of the cone-shaped body, a wicket (1g) for receiving the tightening nut and a round hole (If) for being passed through by the cone-shaped body There is a tapered hole (2a) in the upper portion of the tapered-hole body The lower portion of the tapered-hole body is a screwed dowel (2b) The cone-shaped body has a cone-shaped portion (4a), a cylindrical portion (4b), a shoulder (4f), a threaded shaft (4c) and a square pin (4d) which is mounted in the square hole (1g) of the bow body The cone-shaped portion and the cylindrical portion of the cone-shaped body are mounted in the tapered hole (2a) of the tapered-hole body with a clearance for the dental floss to go through The grip nut (3) is engaged with the screwed dowel (2b) of the tapered-hole body The tightening nut (5) limited in the wicket (1c) vertically is engaged with the threaded shaft (4c) of the cone-shaped body The shoulder (4f) of the cone-shaped body is supported on the inner bottom surface of the grip nut This product enables gripping and tightening the dental floss conveniently by adjusting the grip nut and the tightening nut</p> |
