JPH0290006U - - Google Patents

Info

Publication number
JPH0290006U
JPH0290006U JP16924688U JP16924688U JPH0290006U JP H0290006 U JPH0290006 U JP H0290006U JP 16924688 U JP16924688 U JP 16924688U JP 16924688 U JP16924688 U JP 16924688U JP H0290006 U JPH0290006 U JP H0290006U
Authority
JP
Japan
Prior art keywords
saw
thickness
body part
sum
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP16924688U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP16924688U priority Critical patent/JPH0290006U/ja
Publication of JPH0290006U publication Critical patent/JPH0290006U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)

Description

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

第１図は一実施例のホールソーの分解側面図、
第２図は挿入部における拡大縦断面図、第３図は
係合溝部における拡大縦断面図、第４図、第５図
は夫々他の実施例のホールソー内周面からみた説
明図である。 １……シヤンク、２……ガイドドリル固定部分
、３……ボデイ部分、４……ガイドドリル、５…
…鋸部、２１……挿入孔、２２……ネジ穴、３１
……段差部、３２ａ……支持部、３２ｂ……係合
溝部、３３……凹条、４１……ネジ受け部分、４
２……ドリル部分、５１……チツプ（刃）、５２
……ブレード、５３……突起、５５，５６……係
合突起。 FIG. 1 is an exploded side view of a hole saw according to one embodiment.
FIG. 2 is an enlarged longitudinal cross-sectional view of the insertion portion, FIG. 3 is an enlarged longitudinal cross-sectional view of the engagement groove, and FIGS. 4 and 5 are explanatory views of other embodiments as viewed from the inner circumferential surface of the hole saw. 1...Shank, 2...Guide drill fixed part, 3...Body part, 4...Guide drill, 5...
...Saw portion, 21...Insertion hole, 22...Screw hole, 31
...Step part, 32a... Support part, 32b... Engagement groove part, 33... Concave strip, 41... Screw receiving part, 4
2... Drill part, 51... Chip (blade), 52
...Blade, 53...Protrusion, 55, 56...Engagement protrusion.

Claims (1)

【実用新案登録請求の範囲】 筒状のボデイ部分と、ボデイ部分の基端側に配
され回転工具に受容されるシヤンクと、ボデイ部
分から先端側にのびるガイドドリルとを備えた本
体と、ボデイ部分の先端に着脱可能に取り付けら
れその先端縁に多数の切削刃を有する鋸部とから
構成されたホールソーにおいて、 鋸部が円筒形をなすと共にその内周面に突出す
る少なくとも一つの係合突部を備え、 他方、ボデイ部分が、その先端に、鋸部内に嵌
入される支持部と、この支持部間に形成されると
共に上記係合突部と係合する係合溝部とを有し、 上記刃の刃幅が、鋸部の厚みと係合突部の厚み
の和、鋸部の厚みと支持部の厚みの和、及び、ボ
デイ部分の厚みのいずれより大きいことを特徴と
するホールソー。[Claims for Utility Model Registration] A body comprising a cylindrical body part, a shank disposed at the proximal end of the body part and received by a rotary tool, and a guide drill extending from the body part to the distal end side; In a hole saw, the saw part is removably attached to the tip of a part and has a number of cutting blades on its tip edge, and the saw part has a cylindrical shape and at least one engagement protrusion protruding from the inner circumferential surface of the saw part. on the other hand, the body portion has at its distal end a support portion that is fitted into the saw portion, and an engagement groove that is formed between the support portions and that engages with the engagement protrusion; A hole saw characterized in that the blade width of the blade is larger than any of the sum of the thickness of the saw part and the engaging protrusion, the sum of the thickness of the saw part and the support part, and the thickness of the body part.
JP16924688U 1988-12-29 1988-12-29 Pending JPH0290006U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16924688U JPH0290006U (en) 1988-12-29 1988-12-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16924688U JPH0290006U (en) 1988-12-29 1988-12-29

Publications (1)

Publication Number Publication Date
JPH0290006U true JPH0290006U (en) 1990-07-17

Family

ID=31459130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16924688U Pending JPH0290006U (en) 1988-12-29 1988-12-29

Country Status (1)

Country Link
JP (1) JPH0290006U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0636805U (en) * 1992-10-23 1994-05-17 大見工業株式会社 Hole cutter
KR20150095913A (en) * 2012-12-21 2015-08-21 힐티 악티엔게젤샤프트 Drill bit with an exchangeable cutting portion
JP2016504206A (en) * 2012-12-21 2016-02-12 ヒルティ アクチエンゲゼルシャフト Drill tool with replaceable cutting part
KR20160100394A (en) * 2013-12-20 2016-08-23 힐티 악티엔게젤샤프트 Drill bit having an exchangeable cutting portion
CN110593775A (en) * 2012-12-21 2019-12-20 喜利得股份公司 Cutting section for a drill bit

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0636805U (en) * 1992-10-23 1994-05-17 大見工業株式会社 Hole cutter
US10201860B2 (en) 2012-12-21 2019-02-12 Hilti Aktiengesellschaft Drill bit with an exchangeable cutting portion
CN104955598A (en) * 2012-12-21 2015-09-30 喜利得股份公司 Drill bit with an exchangeable cutting portion
JP2016502937A (en) * 2012-12-21 2016-02-01 ヒルティ アクチエンゲゼルシャフト Drill tool with replaceable cutting part
JP2016504206A (en) * 2012-12-21 2016-02-12 ヒルティ アクチエンゲゼルシャフト Drill tool with replaceable cutting part
US10201858B2 (en) 2012-12-21 2019-02-12 Hilti Aktiengesellschaft Drill bit with an exchangeable cutting portion
KR20150095913A (en) * 2012-12-21 2015-08-21 힐티 악티엔게젤샤프트 Drill bit with an exchangeable cutting portion
CN110593775A (en) * 2012-12-21 2019-12-20 喜利得股份公司 Cutting section for a drill bit
US10717137B2 (en) 2012-12-21 2020-07-21 Hilti Aktiengesellschaft Drill bit with an exchangeable cutting portion
KR20160100394A (en) * 2013-12-20 2016-08-23 힐티 악티엔게젤샤프트 Drill bit having an exchangeable cutting portion
JP2017501894A (en) * 2013-12-20 2017-01-19 ヒルティ アクチエンゲゼルシャフト Drill bit with replaceable cutting member
US10065252B2 (en) 2013-12-20 2018-09-04 Hilti Aktiengesellschaft Drill bit with a replaceable cutting portion
EP3083116B1 (en) * 2013-12-20 2019-10-09 Hilti Aktiengesellschaft Annular drill bit with a replaceable cutting section

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