EP0990492A2 - Machine de coupe à commande manuel, en particulier scie circulaire, à lame de coupe inclinable - Google Patents

Machine de coupe à commande manuel, en particulier scie circulaire, à lame de coupe inclinable Download PDF

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Publication number
EP0990492A2
EP0990492A2 EP99110249A EP99110249A EP0990492A2 EP 0990492 A2 EP0990492 A2 EP 0990492A2 EP 99110249 A EP99110249 A EP 99110249A EP 99110249 A EP99110249 A EP 99110249A EP 0990492 A2 EP0990492 A2 EP 0990492A2
Authority
EP
European Patent Office
Prior art keywords
base plate
guide means
motor
arch
machine tool
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
Application number
EP99110249A
Other languages
German (de)
English (en)
Other versions
EP0990492B1 (fr
EP0990492A3 (fr
Inventor
Guillermo Havenstein
Ralf Bocka
Ralf-D. Moryson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0990492A2 publication Critical patent/EP0990492A2/fr
Publication of EP0990492A3 publication Critical patent/EP0990492A3/fr
Application granted granted Critical
Publication of EP0990492B1 publication Critical patent/EP0990492B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B27B9/02—Arrangements for adjusting the cutting depth or the amount of tilting

Definitions

  • the invention relates to a motor-driven hand tool for cutting work according to the preamble of claim 1.
  • a swing bridge is attached to the hand tool, which has a backdrop stone-like at each end, part of the arcuate section web that carries in the arcuate slot of the guide link plate engages and along the arcuate guideway in the pivotal movement of the base plate relative to Housing of the hand tool is pivotally guided.
  • This hinge-like swivel guide means require a rather complex assembly.
  • the motor-driven hand machine tool according to the invention with the features of claim 1 has the advantage of a easy assembly due to the bayonet lock without auxiliary tools or additional parts, which results in a Inexpensive and easy to assemble hinge connection between the housing and the base plate.
  • each swivel guide means to fix the respective swivel position the base plate has an approximately circular arc to the swivel axis and arch gutter with arch bridge about concentric Slot and a locking screw passing through the slot assigned.
  • the approximately arcuate slot part of the connecting element be and its locking screw immediately or indirectly, e.g. B. by means of a stand on the Base plate be held.
  • This solution can e.g. B. at one of the two swivel guide means can be provided.
  • the approximately circular slot can also Be part of the base plate and the locking screw at the connecting part, e.g. B. on a punched out Bridge, be held. It can be an advantage if the base plate is adjacent to the holding part, has legs stamped out of the base plate, the contains the arcuate slot. In this form can e.g. B. the area of the other swivel guide means be designed.
  • the connecting element approximately to the pivot axis parallel holding leg, the one about contains an arcuate slot which is transverse to one about the pivot axis directed about concentric runs to adjust the depth of cut Housing can be swiveled and locked relative to the base plate is.
  • This connecting element can, for. B. one piece Be part of a connecting part.
  • the other Connecting part is a one-piece connecting element has a journal bearing, for. B. two spaced Bearing arm, for swiveling connection with the Has housing.
  • a motor-driven one, not shown completely in FIG. 1 Hand tool in the form of one in particular Circular saw 10 has a housing 11 and in it about an axis 12 by means of a not visible Motor rotatably driven cutting tool in the form of a Saw blade 13 on.
  • the base plate 14 is for executing Oblique or miter cuts in relation to the saw blade 13 pivotable about a pivot axis 16 on the housing 11 held and lockable in every swivel position.
  • the Pivot axis 16 extends transversely to axis 12 of the saw blade 13 and preferably below the bottom 15 the base plate 14, so that the cutting position when adjusting the miter angle does not move.
  • the housing 11 is also relative to the setting of the depth of cut Base plate 14 pivotable and lockable about an axis 17, which are at least substantially parallel to axis 12 and extends transversely to the pivot axis 16.
  • the base plate 14 contains one elongated passage opening 18 for the passage of the Saw blade 13, with the pivot axis 16 below the bottom 15 of the base plate 14, however, within the Passage opening 18 runs.
  • the pivot axis 16 otherwise runs parallel to the one not shown here Cutting line of sight.
  • swivel guide means are provided, generally designated 19 and 20, respectively whose parts on the housing 11 on the one hand and on the base plate 14 attack on the other hand and a backdrop Guidance along a circular arc, to the swivel axis Form 16 concentric guideway and together are connected. Except for a few, especially below highlighted deviations are the left in Fig. 1 located swivel guide means 19 and right Swivel guide means 20 designed the same.
  • bayonet lock Boyonet lock
  • the respective swivel guide means 19 or 20 and / or the components of each assigned bayonet lock for the production of are connected by stamping and / or stamping parts formed so that there are additional special components and a special attachment this does not need. This simplifies the design and reduces the costs.
  • Those engaging on the base plate 14 and assigned to it Parts of the swivel guide means 19 and 20 respectively and / or the bayonet catch are made of the material the base plate 14 is formed, in particular by stamping, Cutting, bending and the like punching.
  • the parts engaging on the housing 11 and assigned to it the swivel guide means 19, 20 and / or the associated Bayonet catch are formed as separate parts, those with the assigned parts on the base plate 14 can be connected quickly and easily.
  • These separate parts are also formed as stamped parts, in particular by embossing, cutting, bending and the like punching, these to be connected to the housing 11 Parts of the respective swivel guide means 19, 20 in training as stamped parts Stamped special connecting elements 21 and 22 respectively may have for connection to the housing 11.
  • Each swivel guide means 19 and 20 is in two parts and consists of a holding part 23 and 24 on the one hand and a connecting part 25 and 26 on the other hand, the are generally flat, plate-shaped parts.
  • the holding parts 23 and 24 are exemplary embodiments one-piece and punched-out part of the base plate 14, while the connecting parts 25 and 26 on the housing 11 Detachably attachable parts are.
  • the conditions can but also be kinematically reversed, i.e. reversed.
  • Each holding part 23 or 24 has one as an arch groove 27 or 28 trained guide groove, the arc channels 27, 28 on the facing broad sides of the two Holding parts 23, 24 are provided and on these broad sides are open in mutually facing directions.
  • the gutters 27, 28 run concentrically to the pivot axis 16.
  • the connecting parts respectively assigned to the holding parts 23, 24 25 and 26 each have one as in the arch groove 27 or 28 engaging web portion Arch bridge 29 or 30.
  • the arch bridge 29 is in the Bow gutter 27 and bow web 30 in bow gutter 28 recorded and pivotable therein about the pivot axis 16 performed, each with the arch groove 27 and the arch bridge 29 or the other arch groove 28 and the arch web 30 on a common, concentric to the pivot axis 16 Circular arc section run.
  • the depth of the gutter 27, 28 corresponds at least to the axial protrusion dimension of the assigned arch bridge 29, 30.
  • the arch grooves 27, 28 are formed from the material of the holding part 23 or 24, particularly pronounced.
  • the arch bridge is in the same way 29 and 30 from the material of the connecting part 25 or 26 shaped, especially pronounced.
  • Each holding part 23, 24 has an approximately circular arc Outer edge 31 and 32 provided in radial Distance from the arc trough 27 or 28 and concentric with it runs. As a result, each holding part 23, 24 has approximately the shape a semicircular disk projecting upward from the base plate 14. The respective outer edge 31, 32 has one convex course.
  • Each connecting part 25, 26 has a radial distance extending from the respective arch web 28 or 30, in addition concentric and approximately circular arc lower outer edge 33 or 34, which is concave.
  • the connecting part 25 is at the level of the outer edge 31 two approximately hook-shaped projections punched out there 35, 36 formed, the outer edge 31 and the then overlap the broadside from above.
  • the holding part 23 has in the region of the outer edge 31 and of the subsequent convex edge two in the circumferential direction at the same distance from one another as the projections 35, 36 arranged radial recesses 41, 42 open to the outside to which the bayonet connection is made associated projections 35 and 36 engage radially from the outside can.
  • the holding part 24 with two radial recesses 44, 45 in the area of Outer edge 32 provided the same circumferential angular distance how the projections 37, 38 have each other.
  • the connecting part 26 is on its concave outer edge 34 and the subsequent edge with a radial recess 46 (Fig. 4) provided the approximately hook-shaped projection 40 is assigned to its retraction.
  • connection part 25 can then be held in this position in Fig. 2 are pivoted upwards, the hook-like Projections 35, 36 adjacent to the outer edge 31 overlap convex edge and the lower Projection 39 adjacent to the outer edge 33 overlaps concave edge. Due to the hook shape of the projections 35, 36 and 39 is now the bayonet connection manufactured and secured so that the connecting part 25th is axially captive with the holding part 23 and so connected that a relative pivoting movement about the pivot axis 16 is possible.
  • the respective bayonet lock of the swivel guide means 19 or 20 is simple, inexpensive and enables easy assembly and disassembly without special auxiliary tools, Additional parts or the like ..
  • Each swivel guide means 19, 20 is for locking the relative swivel position between the Housing 11 and the base plate 14 an approximately circular arc, to the swivel axis 16 and arc channel 27, 28 with assigned arch web 29 or 30 approximately concentric Slit 47 and 48 and a penetrating this slot Locking screw 49 or 50 assigned.
  • swivel guide means 20 arranged on the right the slot 48 there is part of the connecting element 22, which carries the connecting part 26 integral therewith.
  • the associated locking screw 50 can be directly on the base plate 14 can be held or this happens as in the embodiment shown in FIG.
  • the slot 47 is part of the base plate 14, and in such a way that the base plate 14 one Holding part 23 at a distance from the base plate 14 has punched and protruding legs 52, which contains the arcuate slot 47.
  • the assigned locking screw 49 is here on the connecting part 25, e.g. B. on a punched-out bridge 53, held. By tightening the locking screw 49 the leg 52 of the base plate 14 on the bridge 53 clamped and thereby secured the swivel position.
  • the connecting element 21 designed as a stamped part has one running approximately parallel to the pivot axis 16 towering support leg 54 of an approximately circular arc Includes slot 55.
  • the slot 55 runs approximately concentric to axis 17, about which by means of a further shown pin the housing 11 relative to the base plate 14 swiveling for setting the cutting depth and is noticeable.
  • Locking screw serve the circular arc Slot 55 penetrates and when tightening the holding leg 54 clamped with part of the housing 11.
  • the connecting element 22 formed as a stamped part Swivel guide means 20 has a z. B. from two spaced bearing legs 56, 57 formed journal bearing for pivoting connection to the housing 11.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
EP99110249A 1998-09-30 1999-05-27 Machine de coupe à commande manuel, en particulier scie circulaire, à lame de coupe inclinable Expired - Lifetime EP0990492B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19844807A DE19844807A1 (de) 1998-09-30 1998-09-30 Motorgetriebene Handwerkzeugmaschine für Trennarbeiten, insbesondere Handkreissäge
DE19844807 1998-09-30

Publications (3)

Publication Number Publication Date
EP0990492A2 true EP0990492A2 (fr) 2000-04-05
EP0990492A3 EP0990492A3 (fr) 2002-01-23
EP0990492B1 EP0990492B1 (fr) 2004-11-10

Family

ID=7882766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99110249A Expired - Lifetime EP0990492B1 (fr) 1998-09-30 1999-05-27 Machine de coupe à commande manuel, en particulier scie circulaire, à lame de coupe inclinable

Country Status (2)

Country Link
EP (1) EP0990492B1 (fr)
DE (2) DE19844807A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005025821A1 (fr) * 2003-09-12 2005-03-24 Robert Bosch Gmbh Plaque de montage d'un outil electrique et son procede de production
WO2009013056A1 (fr) * 2007-07-25 2009-01-29 Robert Bosch Gmbh Machine-outil à main
CN107263591A (zh) * 2017-08-10 2017-10-20 林亚梅 一种自动pvc管直口切割机
US10189174B2 (en) 2012-07-13 2019-01-29 Positec Power Tools (Suzhou) Co., Ltd. Portable cutting tool
US20220184843A1 (en) * 2020-12-11 2022-06-16 Techtronic Cordless Gp Circular saw with adjustable base
CN115042017A (zh) * 2022-05-17 2022-09-13 羽林研创(威海)智能科技有限公司 一种用于多线切割设备的调距机构及多线切割设备
USD1101004S1 (en) 2022-01-07 2025-11-04 Techtronic Cordless Gp Circular saw base plate

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004050491B4 (de) * 2004-10-15 2008-08-21 Ege Bau Gesellschaft Mbh Handwerkzeugmaschine zum Trennen und/oder Einbringen von Fugen in Stoßbereiche von aneinander winklig angrenzenden Bauteilen
DE202009006860U1 (de) * 2009-05-12 2010-09-30 Makita Corp., Anjo Bodenplatte
CN104014868B (zh) * 2013-03-01 2017-09-26 博世电动工具（中国）有限公司 圆锯
DE102014010487A1 (de) * 2014-07-15 2016-01-21 Festool Gmbh Hand-Trennmaschine mit zwei Gehrungslagern
DE102014010484A1 (de) * 2014-07-15 2016-01-21 Festool Gmbh Hand-Trennmaschine mit einer fixierbaren Gehrungslageranordnung
US12263615B2 (en) 2020-11-23 2025-04-01 Milwaukee Electric Tool Corporation Circular saw
US12465982B2 (en) 2022-02-24 2025-11-11 Techtronic Cordless Gp Track saw including plunge lockout mechanism
US12083613B2 (en) 2022-10-18 2024-09-10 Techtronic Cordless Gp Track saw including plunge lockout mechanism

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4124231A1 (de) * 1991-07-22 1993-01-28 Bosch Gmbh Robert Handwerkzeugmaschine mit schwenkbarer grundplatte
NL1001299C2 (nl) * 1995-09-26 1997-03-28 Skil Europ Bv Verbeterde cirkelzaag.
JP2000317905A (ja) * 1999-05-11 2000-11-21 Ryobi Ltd ジグソー

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005025821A1 (fr) * 2003-09-12 2005-03-24 Robert Bosch Gmbh Plaque de montage d'un outil electrique et son procede de production
WO2009013056A1 (fr) * 2007-07-25 2009-01-29 Robert Bosch Gmbh Machine-outil à main
US10189174B2 (en) 2012-07-13 2019-01-29 Positec Power Tools (Suzhou) Co., Ltd. Portable cutting tool
US11192270B2 (en) 2012-07-13 2021-12-07 Positec Power Tools (Suzhou) Co., Ltd. Portable cutting tool
CN107263591A (zh) * 2017-08-10 2017-10-20 林亚梅 一种自动pvc管直口切割机
US20220184843A1 (en) * 2020-12-11 2022-06-16 Techtronic Cordless Gp Circular saw with adjustable base
US11613040B2 (en) * 2020-12-11 2023-03-28 Techtronic Cordless Gp Circular saw with adjustable base
US12377569B2 (en) 2020-12-11 2025-08-05 Techtronic Cordless Gp Circular saw with adjustable base
USD1101004S1 (en) 2022-01-07 2025-11-04 Techtronic Cordless Gp Circular saw base plate
CN115042017A (zh) * 2022-05-17 2022-09-13 羽林研创(威海)智能科技有限公司 一种用于多线切割设备的调距机构及多线切割设备

Also Published As

Publication number Publication date
EP0990492B1 (fr) 2004-11-10
DE19844807A1 (de) 2000-04-13
DE59911036D1 (de) 2004-12-16
EP0990492A3 (fr) 2002-01-23

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