CN103260805A - Saw blade for jigsaw - Google Patents
Saw blade for jigsaw Download PDFInfo
- Publication number
- CN103260805A CN103260805A CN2011800611283A CN201180061128A CN103260805A CN 103260805 A CN103260805 A CN 103260805A CN 2011800611283 A CN2011800611283 A CN 2011800611283A CN 201180061128 A CN201180061128 A CN 201180061128A CN 103260805 A CN103260805 A CN 103260805A
- Authority
- CN
- China
- Prior art keywords
- seamed edge
- saw blade
- sawing
- saw
- thorn
- 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
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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
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/12—Straight saw blades; Strap saw blades
- B23D61/128—Sabre saw blades
-
- 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
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/12—Straight saw blades; Strap saw blades
- B23D61/123—Details of saw blade body
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
A saw blade for a jigsaw has a sawing edge which extends along a partial length of the front edge of the saw blade, wherein the sawing edge is adjacent to the free end side of the saw blade and a tooth-free protective edge is provided in axial extension of the sawing edge.
Description
Technical field
The present invention relates to a kind of according to claim 1 saw blade for the thorn saw as described in the preamble.
Background technology
The thorn that hand is managed saws in other words that rise-and-fall-saw has a motor operated elevating lever, and its carries out vertical move up and down and a saw blade is fixed on this elevating lever by fixture.The thorn saw has a substrate, and it is bearing on the surface of workpiece in workpiece processing.Front side at substrate---is positioned at the front in direction of feed---and has a dead slot, and saw blade passes this dead slot.
For security reasons, this class thorn saw has a protective device at the upside of substrate usually, and this protective device is positioned at the saw blade front, in order to stop the outstanding sawing seamed edge that surpasses the substrate upside during moving up and down that contacts saw blade unintentionally.Be known that for example wire shelf between substrate and the saw of the thorn on substrate housing.
But protective device can influence the carrying of the ergonomics of thorn saw.Observability to the cutting part in the workpiece is restricted, and it is difficult that the swing of this Outer Bottom Plating may become.For the purpose of safety, protective device normally utensil part and only allow to be removed with cutter.This process is difficult execution for the operator.Have following danger in addition, namely protective device is not loaded onto after dismounting again.
Summary of the invention
Task of the present invention is, improves at the security that contacts the sawing seamed edge that stings the barbed saw bit of sawing the substrate top unintentionally with simple measure.
This task solves by the feature of claim 1.Dependent claims provides suitable expanded configuration.
Be suitable for use in thorn saw or the rise-and-fall-saw according to saw blade of the present invention, wherein saw blade in workpiece processing, carry out about in the of one, the sawing campaign of straight line.Such thorn saw or rise-and-fall-saw have a substrate or base plate, and it is connected with the housing of saw and is bearing on the upside of workpiece in workpiece processing.Offer a dead slot at base plate, saw blade passes this dead slot.Saw blade is fixed on the elevating lever that the motor of saw drives and by elevating lever and places working motion up and down.
Saw blade has a sawing seamed edge with sawtooth at its preceding seamed edge, and this sawing seamed edge only extends at the partial-length of preceding seamed edge according to the present invention.Sawing seamed edge and free end side are adjacent, and this free end side deviates from the elevating lever of saw in installment state, thereby the sawing seamed edge with sawtooth only extends in the compresses lower section of saw blade.In the working motion up and down of saw blade, the sawing seamed edge is positioned at the last side-lower of base plate fully.Even if in top dead-centre, the sawtooth of sawing seamed edge does not stretch out above the upside of base plate yet and can not jeopardize operating personnel thus.This can realize following situation, namely saves in the front area of saw, the additional protection means that is used for covering saw blade between the front side of base plate and housing especially.Simplify the structure of saw thus, had better sight line situation on the working region in this external workpiece.Saw especially is enhanced along the guiding of the line of cut of straight line.
Connect an anodontia protection seamed edge in the direction that is provided with on the sawing seamed edge of sawtooth towards the fixedly section of saw blade; the length of this protection seamed edge determined in this wise, even if make in installment state in the top dead-centre of saw blade protection seamed edge also extend the upside up to base plate at least.Even if touching protection during the working motion of saw blade unintentionally also gets rid of during seamed edge or has reduced injury at least to a great extent.The protection seamed edge constitutes aptly point-blank, and it is when needed towards the direction of feed sphering, in order to reduce injury risk as far as possible.Suitable may be, the protection seamed edge arranges with respect to the sawing seamed edge with staggering, and exactly lifting direction and the direction of feed about saw blade staggers forward in the horizontal and/or about direction of feed.But passable is, the protection seamed edge is constituted in this wise, namely protect seamed edge side that direction of feed is positioned at the front just and the crown of the sawtooth of sawing seamed edge be positioned on a line or the extended line.
Saw blade can be connected by the fixing section elevating lever with the thorn saw, the embodiment favourable according to another kind, and the sawing seamed edge is stinging on the direction of feed of sawing with respect to fixedly section setting forward with staggering.Saw blade has a planar embodiment in direction of feed, wherein, for at fixing section and not only forward but also the connection between the sawing seamed edge that staggers downwards, be advantageously provided a plurality of connection contact pin, they especially extend transverse to longitudinal axis and between them dead slot can be arranged.Connect contact pin and be responsible for being rigidly connected between the seamed edge before the fixedly section and saw blade on the one hand, on the other hand owing to be positioned at the smaller weight that middle dead slot has been guaranteed saw blade.Connect contact pin and especially extend between the preceding seamed edge in the zone of the trailing edge of saw blade and protection seamed edge, fixedly section and this trailing edge are positioned on the line, wherein, connect contact pin when needed and also can extend in the zone of sawing seamed edge.Connect contact pin and can tilt for example 30 ° with respect to the vertical line of the longitudinal axis of saw blade.
Description of drawings
Other advantage and suitable embodiment are drawn by other claim, description of drawings and accompanying drawing.It illustrates:
Fig. 1 is at the thorn saw of the saw blade that has installation shown in the bottom dead centre of saw blade;
Fig. 2 illustrates the thorn saw with the saw blade in top dead-centre;
Fig. 3 illustrates the saw blade of sawing for thorn with detailed view, and its preceding seamed edge is by the sawing seamed edge with sawtooth and do not have the protection seamed edge of sawtooth to form.
The specific embodiment
Identical in the drawings parts are provided with identical Reference numeral.
Saw 1 that manage at the hand shown in Fig. 1 and 2, the electricity operation refers to thorn saw or the rise-and-fall-saw with housing 2, in this housing, hold an electric drive motor, this electric drive motor is by elevating lever 3 of actuator drives, and this elevating lever 3 comprises the elevating movement that saw blade fixed thereon 5 is carried out a quadrature or vertically pointed to respect to the direction of feed 7 of thorn saw 1.
A base plate or substrate 6 are set in addition, and it is connected with the housing 2 of thorn saw 1 and is bearing on the surface of workpiece in workpiece processing.Base plate 6 is arranged in region in front in direction of feed 7 and has a dead slot, and saw blade 5 passes this dead slot.Stinging the in service of saw 1, saw blade 5 is owing to the elevating movement of elevating lever 3 is moved at the bottom dead centre shown in Fig. 1 with between the top dead-centre shown in Fig. 2.The preceding seamed edge of saw blade 5 is adjacent with the front side of base plate 6 in installment state.
Can draw in conjunction with above figure as Fig. 3, saw blade 5 has the fixedly section 8 of a tab shaped, saw blade is connected with elevating lever 3 by fixture by it.Fixedly section 8 is positioned on the free end side or most advanced and sophisticated 9 axial opposed side of saw blade, it in installment state from base plate 6 refer to from.
The preceding seamed edge of saw blade 5---about direction of feed 7---is formed from free end side 9 sawing seamed edge 10 and one the protection seamed edge 11 that extends out by one, protects seamed edge to be directly connected on the sawing seamed edge 10 with sawtooth.The whole preceding seamed edge of saw blade is made up of sawing seamed edge 10 and protection seamed edge 11.Length between sawing seamed edge 10 and the protection seamed edge 11 is than being determined size in this wise; even if make in installment state sawing seamed edge 10 in top dead-centre (Fig. 2), also not stretch out the upside above base plate 6, extend in the baseplate zone in other words but extend in floor below fully.In this embodiment, the length of sawing seamed edge 10 is less times greater than the length of protection seamed edge 11.In top dead-centre, the protection seamed edge 11 that does not only have sawtooth is positioned at base plate 6 tops.This makes following can realization, namely cancels the protective device in the front area of thorn saw 1, this protective device otherwise should stop by mistake contact the sawing seamed edge above base plate 6.
Fixedly section 8 be arranged in saw blade 5 the trailing edge extended line and stagger with respect to preceding seamed edge is parallel.For with the fixedly section 8 of saw blade in other words the trailing edge be connected with the preceding seamed edge of being formed by sawing seamed edge 10 and protection seamed edge 11; one row are set connect contact pin 12; their space distances are positioned at middle, parallel dead slot 13 thereby form between per two connection contact pin 12.Connect contact pin 12 transverse to the preceding seamed edge of saw blade 5 in other words the trailing edge extend, they but with respect to tilt maximum 30 ° angle of the vertical line of preceding seamed edge or the trailing edge.Connect contact pin 12 and extend up to the zone of sawing seamed edge 10 through the whole axial region of overprotection seamed edge 11 from the distolateral of protection seamed edge 11, this is distolateral mutually opposed with lower free end side 9.Jointing with an arc is connected with the lower end side of the trailing edge sawing seamed edge 10 from the free end side 9s.
Claims (9)
1. the saw blade that is used for thorn saw (1); sawing seamed edge (10) at saw blade (5) has sawtooth; it is characterized in that; the sawing seamed edge (10) that is provided with sawtooth only extends at the partial-length of the preceding seamed edge of saw blade (5); wherein, the adjacent and saw blade (5) of the free end side (9) of sawing seamed edge (10) and saw blade (5) has an anodontia protection seamed edge (11) in the side that deviates from free end side (9) on the axially-extending line of sawing seamed edge (10).
2. saw blade according to claim 1 is characterized in that, described anodontia protection seamed edge (11) arranges with respect to sawing seamed edge (10) with staggering.
3. saw blade according to claim 2 is characterized in that, described protection seamed edge (11) arranges with respect to sawing seamed edge (10) in a lateral direction about lifting direction and the direction of feed (7) of saw blade (5) with staggering.
4. according to claim 2 or 3 described saw blades, it is characterized in that described protection seamed edge (11) arranges forward with respect to sawing seamed edge (10) about the direction of feed (7) of saw blade (5) with staggering.
5. according to each described saw blade in the claim 1 to 4, it is characterized in that, described sawing seamed edge (10) arranges forward on direction of feed (7) with respect to the fixedly section (8) of saw blade (5) with staggering, this fixedly section be used for the elevating lever (3) of thorn saw (1) fixing.
6. saw blade according to claim 5 is characterized in that, described fixedly section (8) is connected with preceding seamed edge by a plurality of connection contact pin (12), wherein, has dead slot (13) between these connection contact pin (12).
7. has the thorn saw according to each described saw blade (5) in the claim 1 to 6.
8. thorn saw according to claim 7 is characterized in that, saws the in service of (1) in thorn, and the sawing seamed edge (10) of saw blade (5) is positioned at base plate (6) below of thorn saw (81), and wherein, base plate (6) work in-process is bearing on the surface of workpiece.
9. according to claim 7 or 8 described thorn saws, it is characterized in that base plate (6) is on the side that is positioned at saw blade (5) front---in direction of feed (7)---does not have protective device.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201010063935 DE102010063935A1 (en) | 2010-12-22 | 2010-12-22 | Saw blade for a jigsaw |
| DE102010063935.4 | 2010-12-22 | ||
| PCT/EP2011/070302 WO2012097896A1 (en) | 2010-12-22 | 2011-11-17 | Saw blade for a jigsaw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103260805A true CN103260805A (en) | 2013-08-21 |
Family
ID=45002944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800611283A Pending CN103260805A (en) | 2010-12-22 | 2011-11-17 | Saw blade for jigsaw |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2654999A1 (en) |
| CN (1) | CN103260805A (en) |
| DE (1) | DE102010063935A1 (en) |
| WO (1) | WO2012097896A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202013004983U1 (en) * | 2013-06-03 | 2014-05-21 | Kwb Tools Gmbh | Tool for machining a workpiece and machine tool |
| USD844984S1 (en) | 2017-01-27 | 2019-04-09 | Milwaukee Electric Tool Corporation | Wrench case |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8713847U1 (en) * | 1987-09-25 | 1987-12-03 | Maschinenfabrik Heid Ag, Stockerau, At | |
| EP0470385A2 (en) * | 1990-08-09 | 1992-02-12 | ACKERMANN + SCHMITT GmbH + CO. KG | Saw-blade for a motor-driven compass saw |
| US5855158A (en) * | 1997-08-07 | 1999-01-05 | Donofrio; Thomas H. | Modified roofing, shingle, and siding removal saw blade |
| DE29720605U1 (en) * | 1997-11-21 | 1999-03-25 | Scintilla Ag | Saw blade for a, in particular oscillating, sawing machine |
| DE29914569U1 (en) * | 1999-08-19 | 1999-12-23 | Bender Dieter | Jigsaw blade |
| DE29916244U1 (en) * | 1999-09-15 | 2000-01-05 | Chiang Chin Kun | Saw blade |
| US6149510A (en) * | 1999-03-02 | 2000-11-21 | Romagnoli; Brian A. | Abrading blade |
| EP1035942B1 (en) * | 1997-12-05 | 2002-08-28 | Stahlwerk Ergste Westig GmbH | Method for producing saw bands |
| CN1608774A (en) * | 2003-10-20 | 2005-04-27 | Gmca有限公司 | Clamp for tool components and improved crimping mechanism |
| CN101786187A (en) * | 2008-12-22 | 2010-07-28 | 罗伯特·博世有限公司 | Guiding device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1044101A (en) * | 1996-08-05 | 1998-02-17 | Ask:Kk | Cutting device |
-
2010
- 2010-12-22 DE DE201010063935 patent/DE102010063935A1/en not_active Withdrawn
-
2011
- 2011-11-17 CN CN2011800611283A patent/CN103260805A/en active Pending
- 2011-11-17 WO PCT/EP2011/070302 patent/WO2012097896A1/en active Application Filing
- 2011-11-17 EP EP11785655.9A patent/EP2654999A1/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8713847U1 (en) * | 1987-09-25 | 1987-12-03 | Maschinenfabrik Heid Ag, Stockerau, At | |
| EP0470385A2 (en) * | 1990-08-09 | 1992-02-12 | ACKERMANN + SCHMITT GmbH + CO. KG | Saw-blade for a motor-driven compass saw |
| US5855158A (en) * | 1997-08-07 | 1999-01-05 | Donofrio; Thomas H. | Modified roofing, shingle, and siding removal saw blade |
| DE29720605U1 (en) * | 1997-11-21 | 1999-03-25 | Scintilla Ag | Saw blade for a, in particular oscillating, sawing machine |
| US6244152B1 (en) * | 1997-11-21 | 2001-06-12 | Scintilla Ag | Saw blade for a saw machine especially an oscillating saw machine |
| EP1035942B1 (en) * | 1997-12-05 | 2002-08-28 | Stahlwerk Ergste Westig GmbH | Method for producing saw bands |
| US6149510A (en) * | 1999-03-02 | 2000-11-21 | Romagnoli; Brian A. | Abrading blade |
| DE29914569U1 (en) * | 1999-08-19 | 1999-12-23 | Bender Dieter | Jigsaw blade |
| DE29916244U1 (en) * | 1999-09-15 | 2000-01-05 | Chiang Chin Kun | Saw blade |
| CN1608774A (en) * | 2003-10-20 | 2005-04-27 | Gmca有限公司 | Clamp for tool components and improved crimping mechanism |
| CN101786187A (en) * | 2008-12-22 | 2010-07-28 | 罗伯特·博世有限公司 | Guiding device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012097896A1 (en) | 2012-07-26 |
| EP2654999A1 (en) | 2013-10-30 |
| DE102010063935A1 (en) | 2012-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130821 |
|
| WD01 | Invention patent application deemed withdrawn after publication |