JPS61905U

JPS61905U - drill bit guide

Info

Publication number: JPS61905U
Application number: JP8577184U
Authority: JP
Inventors: 信幸大橋; 勝男小泉
Original assignee: 日立工機株式会社
Priority date: 1984-06-08
Filing date: 1984-06-08
Publication date: 1986-01-07

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のドリルビットガイドの斜視図、第２図は
被削材に墨付けをした状態の斜視図、第３図は、第１図
のＤ部の拡大図、第４図は、従来のビットガイドにおい
てガイドにドリルビットを挿入した際の断面図である。第５図本考案ドリルビットガイドにドリルビットを挿入
した断面図である。１はドリルビットガイド、２はガイド、３は穴、４はプ
レート、５はベース、６は定規、７はボルト、８は被削
材、９はドリルビット、１ｏは支点、１１，１２は墨線
、１３，１４は角度、１５は角度マーク、１６はガイド
、１７はプレートである。Fig. 1 is a perspective view of a conventional drill bit guide, Fig. 2 is a perspective view of the workpiece with markings, Fig. 3 is an enlarged view of section D in Fig. 1, and Fig. 4 is a perspective view of a conventional drill bit guide. FIG. 3 is a cross-sectional view of a conventional bit guide when a drill bit is inserted into the guide. FIG. 5 is a sectional view of the drill bit inserted into the drill bit guide of the present invention. 1 is a drill bit guide, 2 is a guide, 3 is a hole, 4 is a plate, 5 is a base, 6 is a ruler, 7 is a bolt, 8 is a workpiece, 9 is a drill bit, 1o is a fulcrum, 11 and 12 are ink lines , 13 and 14 are angles, 15 is an angle mark, 16 is a guide, and 17 is a plate.

Claims

[Scope of utility model registration request]

During machining, in a drill bit guide including a base serving as a reference surface and a cylindrical guide movably supported by the base and guiding the drill bit, the drill bit guide surface of the cylindrical guide is made harder than the drill bit. Drill bits and guides that are characterized by being hard.