JPH0199519U

JPH0199519U -

Info

Publication number: JPH0199519U
Application number: JP19481087U
Authority: JP
Priority date: 1987-12-24
Filing date: 1987-12-24
Publication date: 1989-07-04

Description

[Brief explanation of the drawing]

第１図は本考案一実施例の縦断面図、第２図は
第１図方向からの矢視図、第３図は第１図方
向からの矢視図、第４図は本考案に係る裏座ぐり
カツターの刃体を拡開した状態を示す縦断面図、
第５図は第４図方向からの矢視図、第６図は第
４図方向からの矢視図、第７図イ，ロ，ハ，ニ
，ホ，ヘ，トは本考案に係る裏座ぐりカツターに
よる裏座ぐり加工の説明図である。１はカツター本体、５は刃体収容部、７は刃体
、１２は刃体閉じ手段、１６は刃体拡開手段。 Fig. 1 is a longitudinal sectional view of one embodiment of the present invention, Fig. 2 is a view taken from the direction of Fig. 1, Fig. 3 is a view taken from the direction of Fig. 1, and Fig. 4 is a view according to the present invention. A vertical cross-sectional view showing the blade of the back counterbore cutter in an expanded state;
Fig. 5 is a view taken from the direction of Fig. 4, Fig. 6 is a view taken from the direction of Fig. 4, and Fig. 7 shows the back side of the present invention. It is an explanatory view of back counterbore processing by a counterbore cutter. 1 is a cutter main body, 5 is a blade housing part, 7 is a blade, 12 is a blade closing means, and 16 is a blade expanding means.

補正昭６３．４．４図面の簡単な説明を次のように補正する。明細書中第８頁第８行目〜１０行目の「第７図
イ，ロ，ハ，ニ，ホ，ヘ，ト」を「第７図イ，ロ
，ハ，ニ，ホ，ヘ」と補正する。Amendment April 4, 1983 The brief description of the drawing is amended as follows. "Figure 7 A, B, Ha, Ni, Ho, He, To" on page 8, line 8 to line 10 of the specification is changed to "Figure 7 A, B, Ha, Ni, Ho, He". and correct it.

Claims

[Scope of utility model registration request]

The cutter body 1 is formed with a blade accommodating portion 5 that opens on the side surface of the cutter body 1, and the end face 5a of the blade accommodating portion 5 is perpendicular to the axis of the cutter body 1. , the cutter body 1 is provided with a blade 7 which is rotated about a rotational fulcrum from a state housed in the blade housing portion 5 and becomes in use in a state where it collides with the end surface 5a; Blade closing means 1 for storing the blade body 7 in the blade housing portion 5
2, and a blade expanding means 16 for expanding the blade 7 from inside the blade housing 5 to the outside.