JPS5938004U

JPS5938004U - router bit

Info

Publication number: JPS5938004U
Application number: JP13252382U
Authority: JP
Inventors: 進和田
Original assignee: ナシヨナル住宅産業株式会社
Priority date: 1982-08-31
Filing date: 1982-08-31
Publication date: 1984-03-10

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 drawings]

第１図Ａは従来例において溝を穿設したドアパネルの斜
視図、第１図Ｂ、　Ｃは従来例に係るルータ−ビットの
底面図及び使用状態説明図、第２図Ａ、　Ｂ、　ＣＬＪ
この考案の一実施例に係るルータ−ビットの底面図、平
面図及び正面図、第３図は第２図ＢのＸ−Ｘ線断面図、
第４図Ａ、　Ｂは同実施例の使用状態説明図である。１０・・・回転軸、１１・・・ルータ−ビット、１４・
・・ビット部、１５・・・掘削刃、１６・・・切削刃、
１７ａ。１７ｂ・・・端部刃先。Figure 1A is a perspective view of a door panel with grooves drilled in the conventional example, Figures 1B and C are bottom views and explanatory views of the router bit in use according to the conventional example, and Figures 2A, B and CLJ.
A bottom view, a top view, and a front view of a router bit according to an embodiment of this invention; FIG. 3 is a sectional view taken along line X-X in FIG. 2B;
FIGS. 4A and 4B are explanatory diagrams of the usage state of the same embodiment. 10... Rotating shaft, 11... Router bit, 14...
...Bit part, 15...Drilling blade, 16...Cutting blade,
17a. 17b... End cutting edge.

Claims

[Scope of utility model registration request]

In a router bit in which a cutting blade is provided at the lower end of a bit part provided at the tip of a rotating shaft and a required number of fan-shaped cutting blades are provided on the upper surface of this bit part, the router bit rotation direction of the cutting blades is A router bit characterized in that the end cutting edge of the router bit is shorter with respect to the rotating shaft than the end cutting edge in the counter-rotation direction.