JP2012030356A - 丸鋸 - Google Patents
丸鋸 Download PDFInfo
- Publication number
- JP2012030356A JP2012030356A JP2011168740A JP2011168740A JP2012030356A JP 2012030356 A JP2012030356 A JP 2012030356A JP 2011168740 A JP2011168740 A JP 2011168740A JP 2011168740 A JP2011168740 A JP 2011168740A JP 2012030356 A JP2012030356 A JP 2012030356A
- Authority
- JP
- Japan
- Prior art keywords
- protective cover
- circular saw
- saw blade
- workpiece
- saw
- 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.)
- Granted
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 75
- 230000002093 peripheral effect Effects 0.000 claims description 26
- 229920003002 synthetic resin Polymers 0.000 claims description 10
- 239000000057 synthetic resin Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 abstract description 41
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 30
- 238000011109 contamination Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
- B23D59/006—Accessories specially designed for sawing machines or sawing devices for removing or collecting chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/16—Hand-held sawing devices with circular saw blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B9/00—Portable power-driven circular saws for manual operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
- B27G19/02—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for circular saws
- B27G19/04—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for circular saws for manually-operated power-driven circular saws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G3/00—Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/768—Rotatable disc tool pair or tool and carrier
- Y10T83/7734—With guard for tool
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Sawing (AREA)
Abstract
【解決手段】丸鋸、特に手持ち式丸鋸10であって、加工材載置面24と、鋸刃20と、加工すべき加工材36の上方領域における鋸刃20をカバーする保護カバー22とを備える丸鋸において、鋸刃20に対する保護カバー22の幾何学的形状および位置は、鋸刃外周縁と加工材載置面24との交点から延びる接線Tにおける保護カバー22の第1反射が、加工材載置面24に対する垂線に対して最大で30°、特に20°の角度αをなすように構成する。加工材載置面の領域18における保護カバー22の内周面37は、加工材36から保護カバー22に衝突する位置における、鋸刃20の外周縁に対する最小間隔Xが最大で10mm、および/または、接線Tの長さが最大20mmの間隔Lとなるよう構成するとよい。
【選択図】図2
Description
本発明の他の特徴および利点は、以下の説明および関連する添付図面から明らかになるであろう。
12 ハンドグリップ
14 駆動ユニット
16 バッテリ
18 載置プレート
20 鋸刃
22 保護カバー
23 鋸刃の回転方向
24 加工材載置面
26 ヘッド部
28 透視可能領域
30 側壁
32 側壁
34 連結部分
35 鋸歯
36 加工材
37 保護カバーの内周面
40 衝突プレート
42 枠縁
44 枠縁
D 切り込み深さ
L 加工材からの反射ポイント
M 中心点
R 半径
T 接線
U 鋸刃外周縁
X 鋸刃に対する保護カバーの最小間隔
Claims (10)
- 丸鋸、特に手持ち式丸鋸(10)であって、加工材載置面(24)と、鋸刃(20)と、加工すべき加工材(36)の上方領域における前記鋸刃(20)をカバーする保護カバー(22)とを備える丸鋸において、
前記鋸刃(20)に対する前記保護カバー(22)の幾何学的形状および位置は、前記鋸刃外周縁と前記加工材載置面(24)との交点から延びる接線(T)における前記保護カバー(22)の第1反射が、前記加工材載置面(24)における鉛直線に対して最大で30°、特に20°の角度(α)をなすように構成としたことを特徴とする丸鋸。 - 請求項1に記載の丸鋸において、前記加工材載置面の領域(18)における前記保護カバー(22)の内周面(37)は、前記加工材(36)から前記保護カバー(22)に衝突する位置における、前記鋸刃(20)の外周縁に対する最小間隔(X)が最大で10mm、および/または、前記接線(T)の長さが最大20mmの間隔(L)となるよう構成としたことを特徴とする丸鋸。
- 請求項1または2、特に請求項1の前段に記載の丸鋸において、前記保護カバー(22)が、前記鋸刃(20)を軸線方向において部分的にカバーする側壁(30,32)を有し、該側壁(30,32)の内側から前記鋸刃外周縁に向け、軸線方向に互いに対向し、しかも好適には前記鋸刃(20)に対して同心状に枠縁(42,44)を突設したことを特徴とする丸鋸。
- 請求項1〜3のいずれか一項に記載の丸鋸において、前記保護カバー(22)が透視可能領域(28)を有し、該透視可能領域(28)を、好適には前記加工材載置面(24)に隣接させたことを特徴とする丸鋸。
- 請求項1〜4のいずれか一項に記載の丸鋸において、前記加工材(36)に隣接する領域における前記保護カバー(22)の前記内周面(37)に、特に金属製の衝突プレート(40)を設けたことを特徴とする丸鋸。
- 請求項5に記載の丸鋸において、前記保護カバー22を、少なくとも衝突プレート(40)領域またはその周囲において、透明な合成樹脂で形成したことを特徴とする丸鋸。
- 請求項5または6に記載の丸鋸において、前記衝突プレート(40)を、前記保護カバー(22)の残りの部分における内周面に固定したことを特徴とする丸鋸。
- 請求項5〜7のいずれか一項に記載の丸鋸において、前記衝突プレート(40)を交換可能に固定したことを特徴とする丸鋸。
- 請求項1〜8のいずれか一項に記載の丸鋸において、前記保護カバー(22)の工具側に向けて保護カバーを固定するためのヘッド部(26)を備え、好適には該ヘッド部(26)を不透明な材料で構成したことを特徴とする丸鋸。
- 請求項9に記載の丸鋸において、前記ヘッド部(26)は、前記透視可能領域(28)用の切除部を有する構成としたことを特徴とする丸鋸。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010038676A DE102010038676A1 (de) | 2010-07-30 | 2010-07-30 | Kreissäge |
DE102010038676.6 | 2010-07-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012030356A true JP2012030356A (ja) | 2012-02-16 |
JP5893284B2 JP5893284B2 (ja) | 2016-03-23 |
Family
ID=44675451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011168740A Active JP5893284B2 (ja) | 2010-07-30 | 2011-08-01 | 丸鋸 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10259061B2 (ja) |
EP (1) | EP2412502B1 (ja) |
JP (1) | JP5893284B2 (ja) |
CN (1) | CN102343580B (ja) |
DE (1) | DE102010038676A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010038676A1 (de) | 2010-07-30 | 2012-02-02 | Hilti Aktiengesellschaft | Kreissäge |
EP3173187A1 (de) * | 2015-11-25 | 2017-05-31 | HILTI Aktiengesellschaft | Tragbare, handgeführte trennschleifmaschine |
EP4324583A2 (en) * | 2018-04-27 | 2024-02-21 | Milwaukee Electric Tool Corporation | Compact multi-material cut-off tool |
JP7171233B2 (ja) * | 2018-05-15 | 2022-11-15 | 株式会社マキタ | 金工用携帯用マルノコ |
AT16565U1 (de) * | 2018-12-28 | 2020-01-15 | Lettner Josef | Wippkreissäge |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6187901U (ja) * | 1984-11-16 | 1986-06-09 | ||
JPS61175408U (ja) * | 1985-04-19 | 1986-11-01 | ||
EP0407339A1 (de) * | 1989-07-01 | 1991-01-09 | HILTI Aktiengesellschaft | Handgerät mit Trenn- oder Schleifscheibe |
JPH0311518U (ja) * | 1989-06-17 | 1991-02-05 | ||
US5327649A (en) * | 1993-02-11 | 1994-07-12 | Skinner Christopher L | Circular saw with dust collector |
US5537748A (en) * | 1991-07-09 | 1996-07-23 | Ryobi Limited | Cover structure for electric circular saw |
US20040134076A1 (en) * | 2001-04-06 | 2004-07-15 | Keith Moore | Metal cutting circular saw with integral sight window |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4466187A (en) * | 1981-04-30 | 1984-08-21 | Shindaiwa Kogyo Company, Ltd. | Portable circular saw |
US4675999A (en) * | 1984-11-16 | 1987-06-30 | Hitachi Koki Company, Ltd. | Portable power tool equipped with dust collector |
DE3500371A1 (de) * | 1985-01-08 | 1986-07-10 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Tragbare elektrische handkreissaege |
CA1266601A (en) * | 1985-10-18 | 1990-03-13 | Norman John Heatley | Safety guard for portable power saws |
JPS637218A (ja) * | 1986-06-27 | 1988-01-13 | Hitachi Koki Co Ltd | 携帯用電動工具の集じん機構 |
US5794351A (en) * | 1996-05-31 | 1998-08-18 | Black & Decker, Inc. | Window assembly and lower saw guard for circular saw |
JP4119601B2 (ja) * | 2000-07-07 | 2008-07-16 | 日立工機株式会社 | 携帯用丸鋸 |
US6536120B1 (en) * | 2000-10-27 | 2003-03-25 | Steven J. Langis | Powered circular saw for left or right handed operation |
DE10261743A1 (de) * | 2002-12-30 | 2004-07-22 | Robert Bosch Gmbh | Handkreissägemaschine B27B |
JP4113538B2 (ja) * | 2005-07-20 | 2008-07-09 | リョービ株式会社 | 切断機 |
JP2007190710A (ja) * | 2006-01-17 | 2007-08-02 | Hitachi Koki Co Ltd | 卓上切断機 |
DE102010038676A1 (de) | 2010-07-30 | 2012-02-02 | Hilti Aktiengesellschaft | Kreissäge |
-
2010
- 2010-07-30 DE DE102010038676A patent/DE102010038676A1/de not_active Ceased
-
2011
- 2011-07-08 EP EP11173176.6A patent/EP2412502B1/de active Active
- 2011-07-27 CN CN201110211156.0A patent/CN102343580B/zh active Active
- 2011-07-28 US US13/193,324 patent/US10259061B2/en active Active
- 2011-08-01 JP JP2011168740A patent/JP5893284B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6187901U (ja) * | 1984-11-16 | 1986-06-09 | ||
JPS61175408U (ja) * | 1985-04-19 | 1986-11-01 | ||
JPH0311518U (ja) * | 1989-06-17 | 1991-02-05 | ||
EP0407339A1 (de) * | 1989-07-01 | 1991-01-09 | HILTI Aktiengesellschaft | Handgerät mit Trenn- oder Schleifscheibe |
US5537748A (en) * | 1991-07-09 | 1996-07-23 | Ryobi Limited | Cover structure for electric circular saw |
US5327649A (en) * | 1993-02-11 | 1994-07-12 | Skinner Christopher L | Circular saw with dust collector |
US20040134076A1 (en) * | 2001-04-06 | 2004-07-15 | Keith Moore | Metal cutting circular saw with integral sight window |
Also Published As
Publication number | Publication date |
---|---|
DE102010038676A1 (de) | 2012-02-02 |
US20120023760A1 (en) | 2012-02-02 |
CN102343580B (zh) | 2016-09-07 |
CN102343580A (zh) | 2012-02-08 |
EP2412502A1 (de) | 2012-02-01 |
JP5893284B2 (ja) | 2016-03-23 |
US10259061B2 (en) | 2019-04-16 |
EP2412502B1 (de) | 2013-11-20 |
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