JPS6428615U

JPS6428615U -

Info

Publication number: JPS6428615U
Application number: JP12446787U
Authority: JP
Priority date: 1987-08-14
Filing date: 1987-08-14
Publication date: 1989-02-20

Description

【図面の簡単な説明】第１図は、この考案にかかる好適な一実施例の
要部断面表示の概略斜視図、第２図は、この考案
にかかる一実施例をハンドピースに取付けた時の
斜視図、第３図は、その要部断面図、第４図は、
この考案にかかる一実施例を、保存または運搬す
る時の一収納形態を示す斜視図、第５図は歯科用
ユニツトに備わるハンドピースの一例を図示した
斜視図である。図面の主要な符号、１……被覆カバー、１１…
…ヘツド部、１１１……ドリル穴、１１２……排
気スリツト、１１３……ノズル穴。[BRIEF DESCRIPTION OF THE DRAWINGS] Fig. 1 is a schematic perspective view showing a cross-section of the main parts of a preferred embodiment of this invention, and Fig. 2 shows a state in which the embodiment of this invention is attached to a handpiece. Fig. 3 is a sectional view of the main part, Fig. 4 is a perspective view of
FIG. 5 is a perspective view illustrating an example of a storage configuration for storing or transporting an embodiment of this invention, and FIG. 5 is a perspective view illustrating an example of a handpiece provided in a dental unit. Main symbols in the drawings: 1...Coating cover, 11...
...Head portion, 111...Drill hole, 112...Exhaust slit, 113...Nozzle hole.

Claims

[Scope of Claim for Utility Model Registration] (1) An elongated cylindrical hand grip part, an operating head part extending from the front end of this hand grip part and holding a drill rotating at high speed, and an attached part of this operating head part near the drill. A covering cover attached to a dental handpiece, which is composed of a fountain nozzle section that spouts cooling and cleaning water, and a power supply mechanism and a water supply mechanism that are brought into contact with the rear end of the handgrip section, the covering The cover is formed of a flexible elastic material into a hollow cylinder with an extremely thin wall thickness, and integrally covers the area from the front end of the operating head section to near the rear end of the hand grip section, and also covers the operating head section from the front end to near the rear end of the hand grip section. A covering cover for a dental handpiece, characterized in that a head cover portion corresponding to the dental handpiece is provided, a through hole through which the drill is inserted is formed in the head cover portion, and a discharge port for the cooling and cleaning water is formed in the head cover portion. (2) The covering cover according to claim 1, wherein the head cover part is bent at a predetermined angle with respect to other parts. (3) The covering cover according to claim 1, wherein the head cover part is formed in a straight line with other parts. (4) The covering cover according to claim 1 of the utility model registration claim, wherein the cooling/washing water outlet has a diameter slightly smaller than the maximum diameter of the fountain nozzle of the handpiece. . (5) The covering cover according to any one of claims 1 to 4, wherein the through hole has a diameter approximately equal to the diameter of a drill of the handpiece. (6) The head cover part is formed with an exhaust port corresponding to the exhaust hole of the handpiece, and the exhaust hole opens and closes according to the pressure inside the cover, and the exhaust port is opened and closed by the exhaust pressure during exhaust. The covering cover according to claim 5, which is characterized by having an exhaust port closing means that releases the exhaust port. (7) The utility model according to claim 6, wherein the means for closing the exhaust port is a slit-shaped exhaust slit formed in the cover and opened and closed by pressure inside the cover. coated cover.