JPS6171304U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の実施例を示す断面図、第２図
は第１図のＡ−Ａ矢視図、第３図は第１図のＢ−
Ｂ線断面図である。 図面中、１はホルダ、２は収納穴、３はバー、
５は刃具、７は当接面、８はストツパピン、９は
締付ボルトである。 FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is a view taken along the line A-A in FIG. 1, and FIG. 3 is a view taken along the line B--
It is a sectional view taken along the B line. In the drawing, 1 is a holder, 2 is a storage hole, 3 is a bar,
5 is a cutting tool, 7 is a contact surface, 8 is a stopper pin, and 9 is a tightening bolt.

Claims (1)

【実用新案登録請求の範囲】 柱状体の一端面から軸心に対し傾斜した方向に
伸びる収納穴が形成されているホルダと、 出退自在に前記収納穴に挿入されるとともに収
納穴外に突出する先端部に刃具が取り付けられる
バーと、 前記ホルダに径方向に挿入されて周面が前記収
納穴に臨むストツパピン及びこのストツパピンに
当接するようバーの周面に形成した当接面でなる
ストツパ部と、 前記ホルダの外周面から径方向に螺入してバー
をホルダに固定する締付ボルトと、 でなることを特徴とするボーリングバー。[Claims for Utility Model Registration] A holder in which a storage hole is formed extending from one end surface of a columnar body in a direction oblique to the axis, and the holder is inserted into the storage hole so as to be freely retractable and protrude outside the storage hole. a bar to which a cutting tool is attached to the tip thereof; a stopper pin that is inserted into the holder in the radial direction so that its circumferential surface faces the storage hole; and a stopper portion comprising an abutment surface formed on the circumferential surface of the bar so as to come into contact with the stopper pin. and a tightening bolt that is screwed into the outer peripheral surface of the holder in a radial direction to fix the bar to the holder.