CN105690331B - Electric circular saw cutting control device - Google Patents
Electric circular saw cutting control device Download PDFInfo
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- CN105690331B CN105690331B CN201410693460.7A CN201410693460A CN105690331B CN 105690331 B CN105690331 B CN 105690331B CN 201410693460 A CN201410693460 A CN 201410693460A CN 105690331 B CN105690331 B CN 105690331B
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Abstract
The present invention discloses a kind of electric circular saw cutting control device, is fixed on the bottom plate of electric circular saw, including saw blade support component, the saw blade support component are connected with the bottom plate and saw blade component.The saw blade support component, the movement locus by connecting rod and the linkwork control relatively described bottom plate of saw blade component for connecting connecting rod is vertical.Saw blade support component, including for supporting the movement locus of the relatively described bottom plate in the saw blade component front end be vertical first end support component, the movement locus for supporting the relatively described bottom plate in the saw blade component rear end is the second vertical end support component.The motion of saw blade opposed bottom is vertical when electric circular saw is cut in the present invention, changes the situation that saw blade movement locus in the prior art is camber line, can so make cutting more accurate, and accurately, simple link design also increases visual effect, is easy to control cutting process.
Description
Technical field
The present invention relates to field of power tools, more particularly to a kind of electric circular saw cutting control device.
Background technology
Electric circular saw is that one kind passes through transmission mechanism driving saw blade progress sawing action by power of single phase series motor
Instrument, have the characteristics that safe and reliable, rational in infrastructure, operating efficiency is high.Suitable for timber, fiberboard, plastics and soft electricity
Cable and similar material carry out sawing action.
Usually, electric circular saw track portion is that the action for realizing that saw blade is down cut is moved in arc groove by bearing,
Track is circular arc in saw blade cutting process, it is impossible to realizes vertical linear motion；It is visual poor.Required to cutting accuracy
Higher occasion, it is the huge test to electric circular saw operating personnel's experience, this problem has been increasingly becoming electric circular saw and obtained recognizes extensively
Can obstruction.
In development in science and technology rapid today, diversified, the high-precision demand that people cut to electric circular saw is increasingly apparent,
Electric circular saw field, above mentioned problem are gradually prominent and urgently to be resolved hurrily.
The content of the invention
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of electric circular saw cutting control device.
Electric circular saw cutting control device of the present invention, is fixed on the bottom plate of electric circular saw, including saw blade support component,
The saw blade support component is connected with the bottom plate and saw blade component；
The saw blade support component, it is vertical for controlling the movement locus of the relatively described bottom plate of the saw blade component.
In one of the embodiments, the electric circular saw cutting control device, in addition to for supporting the saw blade component
With the elastic parts of the bottom plate.
In one of the embodiments, the elastic parts is spring.
In one of the embodiments, the elastic parts is high elastic rubber.
In one of the embodiments, the saw blade support component, including for supporting the saw blade component front end relative
The movement locus of the bottom plate is vertical first end support component, for supporting the relatively described bottom plate in the saw blade component rear end
Movement locus be the second vertical end support component.
In one of the embodiments, the first end support component includes first connecting rod mechanism, second connecting rod mechanism；Institute
Stating the second end support component includes third connecting rod mechanism, fourth link mechanism；
The first connecting rod mechanism is used to control the saw blade component in the first move in plane；
The second connecting rod mechanism is used to control the saw blade component in the second move in plane；
The third connecting rod mechanism is used to control the saw blade component in the 3rd move in plane；
The fourth link mechanism is used to control the saw blade component to move in fourth plane；
First plane, the second plane, the 3rd plane, fourth plane are each perpendicular to the plane where the bottom plate；
First plane intersects with second plane；
3rd plane intersects with the fourth plane.
In one of the embodiments, the first connecting rod mechanism includes first connecting rod, second connecting rod；The first connecting rod
One end be connected by linkwork with the bottom plate, the other end is connected by linkwork with one end of the second connecting rod,
The other end of the second connecting rod is connected by linkwork with the saw blade component；
The second connecting rod mechanism includes third connecting rod, fourth link；One end of the third connecting rod passes through linkwork
Be connected with the bottom plate, the other end is connected by linkwork with one end of the fourth link, the fourth link it is another
End is connected by linkwork with the saw blade component；
The third connecting rod mechanism includes the 5th connecting rod, six-bar linkage；One end of the six-bar linkage passes through linkwork
Be connected on the bottom plate, the other end is connected by linkwork with one end of the 5th connecting rod, the 5th connecting rod it is another
One end is connected by linkwork with the saw blade component；
The fourth link mechanism includes seven-link assembly, the 8th connecting rod；One end of the seven-link assembly passes through linkwork
Be connected on the bottom plate, the other end is connected by linkwork with one end of the 8th connecting rod, the 8th connecting rod it is another
One end is connected by linkwork with the saw blade component.
In one of the embodiments, first plane is vertical with second plane；3rd plane with it is described
Fourth plane is vertical.
In one of the embodiments, first plane is parallel with the 3rd plane；Or second plane and institute
It is parallel to state fourth plane.
In one of the embodiments, the saw blade support component, in addition to one end are connected with the first connecting rod mechanism,
The other end is connected with the third connecting rod mechanism, or one end is connected with the second connecting rod mechanism, the other end and the described 4th
Linkage connection, for controlling the linkage unit of the saw blade component rear and front end Union Movement.
Above-mentioned electric circular saw cutting control device, by saw blade support component, saw blade component is fixed on and bottom plate position pair
In the plane answered, and saw blade component opposed bottom is controlled to be in vertical motion, to realize the cutting function of annular saw.The present invention is only
Pass through the perfection of connecting rod, ingehious design in saw blade support component so that the motion of saw blade opposed bottom is vertical when electric circular saw is cut
Straight, the situation that saw blade movement locus in the prior art is camber line is changed, can so make cutting more accurate, accurately, simply
Link design also increases visual effect, is easy to control cutting process.
Brief description of the drawings
Fig. 1 is the structural representation of electric circular saw cutting control device；
Fig. 2 is the lateral side view of electric circular saw cutting control device shown in Fig. 1；
The structure that Fig. 3 exposes bottom plate for the saw blade component when electric circular saw works of electric circular saw cutting control device shown in Fig. 1 is shown
It is intended to；
Fig. 4 is the structural representation during electric circular saw cutting control device use shown in Fig. 1；
Fig. 5 is the front view of electric circular saw cutting control device shown in Fig. 1；
Fig. 6 is the side view of electric circular saw cutting control device shown in Fig. 1.
Description of reference numerals：
First connecting rod 1, second connecting rod 2, third connecting rod 3, fourth link 4, the 5th connecting rod 5, six-bar linkage 6, seven-link assembly
7, the 8th connecting rod 8, the 9th connecting rod 9, saw blade 10, linkwork 11, spring 15, first end support component 20, the second end support group
Part 30, bottom plate 40.
Embodiment
It is below in conjunction with the accompanying drawings and preferably real further to illustrate the effect of the technological means of the invention taken and acquirement
Example is applied, to technical scheme, carries out clear and complete description.
As shown in Figure 1-2, a kind of electric circular saw cutting control device of the present embodiment, is fixed on the bottom plate 40 of electric circular saw,
Including saw blade support component, saw blade support component is connected with bottom plate 40 and saw blade component.
Saw blade support component, the fortune of saw blade component opposed bottom 40 is controlled by connecting rod and the linkwork 11 for connecting connecting rod
Dynamic rail mark is vertical.
In one of the embodiments, electric circular saw cutting control device also includes being used to support saw blade component and bottom plate 40
Elastic parts.
As shown in figure 1, in this embodiment, the connected mode of elastic parts and saw blade component and bottom plate 40 specifically includes three
Kind：The first is that elastic parts one end is mutually fixed with saw blade component, and the other end is hanging.Second is elastic parts one end and bottom plate
40 fix, and the other end is hanging.The third is that elastic parts both ends are fixed with saw blade component and bottom plate 40 respectively.Saw blade component operation
When elastic parts compress, saw blade component is bounced off bottom plate 40 by elastic parts when saw blade component is stopped.When electric circular saw need not
During work, saw blade component is set to expose bottom plate 40 by elastic parts, in order to avoid hurt sb.'s feelings.
As Figure 2-3, in one of the embodiments, elastic parts is spring 15, is fixed on bottom plate 40.When electricity circle
When saw is operated, spring 15 should be compacted, and circular saw blade 10 exposes bottom plate 40, is cut.After the completion of cutting, spring
15 rebound saw blade component original place, it is ensured that and circular saw blade 10 must not expose bottom plate 40, in order to avoid the people around injury.Or coordinate card
Buckle structure, saw blade component is fixed, and ensure that circular saw blade 10 must not expose bottom plate 40, in order to avoid the people around injury.
In one of the embodiments, elastic parts is high elastic rubber.Elastic parts is served as using high elastic rubber, and
With reference to structures such as buckles, when electric circular saw is operated, high elastic rubber should be compacted, and circular saw blade 10 exposes bottom plate 40,
Cut.After the completion of cutting, high elastic rubber upsprings saw blade component, and by buckle structure, saw blade component is fixed,
And ensure that circular saw blade 10 must not expose bottom plate 40, in order to avoid the people around injury.
As shown in figure 5, in one of the embodiments, saw blade support component includes being used to control saw blade component front end relative
The movement locus of bottom plate 40 is vertical first end support component 20, for controlling the motion of saw blade component rear end opposed bottom 40
Track is the second vertical end support component 30.In this embodiment, first end support component 20 be arranged on before saw blade component
Position corresponding to end, it is vertical for controlling the movement locus of front end opposed bottom 40 of saw blade component.Second end support group
Part 30 is arranged on position corresponding with saw blade component rear end, the movement locus of the rear end opposed bottom 40 for controlling saw blade component
It is vertical.
In the present embodiment, first end support component 20 includes first connecting rod mechanism, second connecting rod mechanism.First connecting rod machine
Structure is used to control saw blade component in the first move in plane.First connecting rod mechanism includes first connecting rod 1, second connecting rod 2.First connects
One end of bar 1 is connected by linkwork 11 with bottom plate 40, and the other end is connected by one end of linkwork 11 and second connecting rod 2
Connect, the other end of second connecting rod 2 is connected by linkwork 11 with saw blade component.In this embodiment, in first connecting rod mechanism
Articulated manner for the linkwork 11 of connection is identical, so that first connecting rod 1, second connecting rod in first connecting rod mechanism
2 control saw blade components are in the first move in plane.
In this embodiment, second connecting rod mechanism is used to control saw blade component in the second move in plane.Second connecting rod machine
Structure includes third connecting rod 3, fourth link 4.One end of third connecting rod 3 is connected by linkwork 11 with bottom plate 40, and the other end leads to
One end that linkwork 11 is crossed with fourth link 4 is connected, and the other end of fourth link 4 is connected by linkwork 11 and saw blade component
Connect.In this embodiment, the articulated manner for the linkwork 11 for being used to connect in second connecting rod mechanism is identical, so that second
Third connecting rod 3, fourth link 4 in linkage control saw blade component in the second move in plane.
In this embodiment, the first plane, the second plane are each perpendicular to the plane where bottom plate 40.First connecting rod mechanism connects
Saw blade component is connect, and controls saw blade component in the first move in plane, second connecting rod mechanism connection saw blade component, and controls saw blade
Component is in the second move in plane.Therefore the first plane and the second plane be perpendicular to bottom plate 40, before just can realizing saw blade component
It is vertical to hold the movement locus of opposed bottom 40.
In this embodiment, the first plane intersects with the second plane.Saw blade component front end is in first connecting rod mechanism and second
Under linkage co- controlling, while in the first plane and the second move in plane, it is known that the movement locus of saw blade component front end
For the intersection of the first plane and the second plane.The plane being each perpendicular to due to the first plane and the second plane where bottom plate, therefore the
The intersection of one plane and the second plane is also perpendicularly to the plane where bottom plate, i.e., the movement locus of saw blade component front end is in first end
Perpendicular to the plane where bottom plate under the control of support component.
In the present embodiment, the second end support component 30 includes third connecting rod mechanism, fourth link mechanism.Third connecting rod machine
Structure is used to control saw blade component in the 3rd move in plane.Third connecting rod mechanism includes the 5th connecting rod 5, six-bar linkage 6.6th connects
One end of bar 6 is connected on bottom plate 40 by linkwork 11, and the other end is connected by one end of the connecting rod 5 of linkwork 11 and the 5th
Connect, the other end of the 5th connecting rod 5 is connected by linkwork 11 with saw blade component.In this embodiment, in third connecting rod mechanism
Articulated manner for the linkwork 11 of connection is identical, so that the 5th connecting rod 5, six-bar linkage in third connecting rod mechanism
6 control saw blade components are in the 3rd move in plane.
In this embodiment, fourth link mechanism is used to control saw blade component to move in fourth plane.Fourth link machine
Structure includes seven-link assembly 7, the 8th connecting rod 8.One end of seven-link assembly 7 is connected on bottom plate 40 by linkwork 11, the other end
It is connected by linkwork 11 with one end of the 8th connecting rod 8, the other end of the 8th connecting rod 8 passes through linkwork 11 and saw blade component
Connection.In this embodiment, the articulated manner for the linkwork 11 for being used to connect in fourth link mechanism is identical, so that the
Seven-link assembly 7, the 8th connecting rod 8 control saw blade component in quadric chain move in fourth plane.
In this embodiment, the 3rd plane, fourth plane are each perpendicular to the plane where bottom plate 40.Third connecting rod mechanism connects
Saw blade component is connect, and controls saw blade component in the 3rd move in plane, fourth link mechanism connection saw blade component, and controls saw blade
Component moves in fourth plane.Therefore the 3rd plane and fourth plane be perpendicular to bottom plate 40, to realize the rear end of saw blade component
The movement locus of opposed bottom 40 is vertical.
In this embodiment, the 3rd plane intersects with fourth plane.The rear end of saw blade component is in third connecting rod mechanism and the
Under quadric chain co- controlling, while moved in the 3rd plane with fourth plane, it is known that the motion rail of saw blade component rear end
Mark is the intersection of the 3rd plane and fourth plane.The plane being each perpendicular to due to the 3rd plane and fourth plane where bottom plate, therefore
The intersection of 3rd plane and fourth plane is also perpendicularly to the plane where bottom plate, i.e., the movement locus of saw blade component rear end is second
Hold under the control of support component perpendicular to the plane where bottom plate.
The plane being each perpendicular to due to the movement locus of the rear and front end of saw blade component where bottom plate, therefore the fortune of whole saw blade
Dynamic rail mark is under the control of saw blade support component perpendicular to the plane where bottom plate.
In one of the embodiments, the first plane is vertical with the second plane.3rd plane is vertical with fourth plane.
In one of the embodiments, the first plane is parallel with the 3rd plane.In this embodiment, saw blade support component,
Also it is connected including one end with first connecting rod mechanism, the other end is connected with third connecting rod mechanism, for controlling two before and after saw blade component
Hold the first linkage unit of Union Movement.
As shown in figure 5, the first linkage unit is the 9th connecting rod 9, the 9th connecting rod 9 can be individually designed, and its one end passes through be hinged
Mechanism 11 is connected with first connecting rod mechanism, and the other end is connected by linkwork 11 with third connecting rod mechanism.9th connecting rod 9 can be with
The 5th connecting rod 5 in second connecting rod 2, third connecting rod mechanism in first connecting rod mechanism is integrally formed design, can make the 9th company
Bar 9, second connecting rod 2, the co- controlling saw blade of the 5th connecting rod 5 move vertically to bottom plate 40, with only controlling phase by the 9th connecting rod 9
Than greatly strengthen its coordinated signals intensity.
In one of the embodiments, the second plane is parallel with fourth plane.In this embodiment, saw blade support component is also
It is connected including one end with second connecting rod mechanism, the other end is connected with fourth link mechanism, for controlling saw blade component rear and front end
Second linkage unit of Union Movement.Second linkage unit is the tenth connecting rod, and the tenth connecting rod can be individually designed, and its one end passes through hinge
Connection mechanism 11 is connected with second connecting rod mechanism, and the other end is connected by linkwork 11 with fourth link mechanism.Tenth connecting rod can
Design is integrally formed with the fourth link 4 in second connecting rod mechanism, the 8th connecting rod 8 in fourth link mechanism, the tenth can be made
Connecting rod, fourth link 4, the co- controlling saw blade of the 8th connecting rod 8 move vertically to bottom plate 40, with only controlling phase by the tenth connecting rod
Than greatly strengthen its coordinated signals intensity.
As shown in figures 1 to 6, the specific work process of electric circular saw cutting control device is：Electric circular saw in off working state,
Circular saw blade 10 does not expose bottom plate 40.When electric circular saw starts work, hanging down for saw blade opposed bottom 40 is realized by bar linkage structure
Straight motion, first connecting rod 1, second connecting rod 2, third connecting rod 3, fourth link 4 are by linkwork 11 by bottom plate 40 and saw blades groups
The front end of part is linked up, control saw blade component front end to the movement locus of bottom plate 40 be vertical.5th connecting rod the 5, the 6th connects
Bar 6, seven-link assembly 7, the 8th connecting rod 8 are respectively linked up bottom plate 40 with saw blade component by linkwork 11, linkwork 11,
Control saw blade component rear end to the movement locus of bottom plate 40 be vertical.So that the fortune of saw blade component entirety opposed bottom 40
Dynamic rail mark is vertical.9th connecting rod 9, the rear and front end of the tenth connecting rod control saw blade component move downward simultaneously, further really
Protect saw blade component to the movement locus of bottom plate 40 be vertical.After the completion of cutting, saw blade component is rebounded by elastic parts.
To ensure electric circular saw in the case of by external force, circular saw blade 10 does not expose bottom plate group, in addition, can also pass through buckle, screw etc.
Structure fixes position when saw blade component does not work.
Compared with traditional technology, the electric circular saw cutting control device, by saw blade support component, saw blade component is fixed
With in the plane of the position correspondence of bottom plate 40, and controlling saw blade component opposed bottom 40 to be in vertical motion, to realize annular saw
Cutting function.The present invention only by connecting rod perfection, cleverly design so that saw blade opposed bottom 40 when electric circular saw is cut
Motion is vertical, changes the situation that saw blade movement locus in the prior art is camber line, can so make cutting more accurate, essence
Really, simple link design also increases visual effect, is easy to control cutting process.In addition, when electric circular saw does not need work,
Saw blade component is set to expose bottom plate 40 by elastic parts, in order to avoid hurt sb.'s feelings.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of electric circular saw cutting control device, is fixed on the bottom plate of electric circular saw, it is characterised in that including saw blade support group
Part, the saw blade support component are connected with the bottom plate and saw blade component；
The saw blade support component, it is vertical for controlling the movement locus of the relatively described bottom plate of the saw blade component；
The saw blade support component, including for supporting the movement locus of the relatively described bottom plate in the saw blade component front end be vertical
First end support component, the movement locus for supporting the relatively described bottom plate in the saw blade component rear end is the second vertical end
Support component；
The first end support component includes first connecting rod mechanism, second connecting rod mechanism；Second end support component includes the
Three-link mechanism, fourth link mechanism；
The first connecting rod mechanism is used to control the saw blade component in the first move in plane；
The second connecting rod mechanism is used to control the saw blade component in the second move in plane；
The third connecting rod mechanism is used to control the saw blade component in the 3rd move in plane；
The fourth link mechanism is used to control the saw blade component to move in fourth plane；
First plane, the second plane, the 3rd plane, fourth plane are each perpendicular to the plane where the bottom plate；
First plane intersects with second plane；
3rd plane intersects with the fourth plane.
2. electric circular saw cutting control device according to claim 1, it is characterised in that the electric circular saw cut-sytle pollination dress
Put, in addition to for supporting the elastic parts of the saw blade component and the bottom plate.
3. electric circular saw cutting control device according to claim 2, it is characterised in that the elastic parts is spring.
4. electric circular saw cutting control device according to claim 2, it is characterised in that the elastic parts is high resiliency rubber
Glue.
5. electric circular saw cutting control device according to claim 1, it is characterised in that the first connecting rod mechanism includes the
One connecting rod, second connecting rod；One end of the first connecting rod is connected by linkwork with the bottom plate, and the other end is by being hinged machine
Structure is connected with one end of the second connecting rod, and the other end of the second connecting rod is connected by linkwork and the saw blade component
Connect；
The second connecting rod mechanism includes third connecting rod, fourth link；One end of the third connecting rod passes through linkwork and institute
Bottom plate connection is stated, the other end is connected by linkwork with one end of the fourth link, and the other end of the fourth link leads to
Linkwork is crossed to be connected with the saw blade component；
The third connecting rod mechanism includes the 5th connecting rod, six-bar linkage；One end of the six-bar linkage is connected by linkwork
On the bottom plate, the other end is connected by linkwork with one end of the 5th connecting rod, the other end of the 5th connecting rod
It is connected by linkwork with the saw blade component；
The fourth link mechanism includes seven-link assembly, the 8th connecting rod；One end of the seven-link assembly is connected by linkwork
On the bottom plate, the other end is connected by linkwork with one end of the 8th connecting rod, the other end of the 8th connecting rod
It is connected by linkwork with the saw blade component.
6. electric circular saw cutting control device according to claim 1, it is characterised in that first plane and described second
Plane is vertical；3rd plane is vertical with the fourth plane.
7. electric circular saw cutting control device according to claim 1, it is characterised in that first plane and the described 3rd
Plane is parallel；Or second plane is parallel with the fourth plane.
8. electric circular saw cutting control device according to claim 7, it is characterised in that the saw blade support component, also wrap
Include one end to be connected with the first connecting rod mechanism, the other end is connected with the third connecting rod mechanism, or one end and described second
Linkage is connected, and the other end is connected with the fourth link mechanism, for controlling the saw blade component rear and front end to combine
The linkage unit of motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410693460.7A CN105690331B (en) | 2014-11-26 | 2014-11-26 | Electric circular saw cutting control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410693460.7A CN105690331B (en) | 2014-11-26 | 2014-11-26 | Electric circular saw cutting control device |
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| Publication Number | Publication Date |
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| CN105690331A CN105690331A (en) | 2016-06-22 |
| CN105690331B true CN105690331B (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410693460.7A Active CN105690331B (en) | 2014-11-26 | 2014-11-26 | Electric circular saw cutting control device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202172A (en) * | 2017-06-30 | 2019-01-15 | 苏州宝时得电动工具有限公司 | Portable electric annular saw |
| CN110681916A (en) * | 2018-07-06 | 2020-01-14 | 苏州宝时得电动工具有限公司 | Portable cutting machine |
| CN114515864A (en) * | 2022-01-27 | 2022-05-20 | 江苏和晖电动工具有限公司 | Novel single-hand saw |
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| DE19807439A1 (en) * | 1998-02-23 | 1999-08-26 | Bosch Gmbh Robert | Hand power tool as an angle grinder |
| DE10261743A1 (en) * | 2002-12-30 | 2004-07-22 | Robert Bosch Gmbh | Manual circular saw B27B |
| CN103203776A (en) * | 2012-01-12 | 2013-07-17 | 苏州宝时得电动工具有限公司 | Portable disk saw and cutting depth adjusting method thereof |
| CN203919227U (en) * | 2014-05-24 | 2014-11-05 | 胡星宇 | Hand-held circular saw |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU8248898A (en) * | 1998-07-16 | 2000-02-07 | Barrie Wyndham Firman | Hole cutting device |
| ATE420744T1 (en) * | 2005-10-07 | 2009-01-15 | Black & Decker | SAW |
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2014
- 2014-11-26 CN CN201410693460.7A patent/CN105690331B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19807439A1 (en) * | 1998-02-23 | 1999-08-26 | Bosch Gmbh Robert | Hand power tool as an angle grinder |
| DE10261743A1 (en) * | 2002-12-30 | 2004-07-22 | Robert Bosch Gmbh | Manual circular saw B27B |
| CN103203776A (en) * | 2012-01-12 | 2013-07-17 | 苏州宝时得电动工具有限公司 | Portable disk saw and cutting depth adjusting method thereof |
| CN203919227U (en) * | 2014-05-24 | 2014-11-05 | 胡星宇 | Hand-held circular saw |
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| CN105690331A (en) | 2016-06-22 |
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