CN1910020A - Bevel and depth of cut detent system - Google Patents
Bevel and depth of cut detent system Download PDFInfo
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- CN1910020A CN1910020A CN 200580002597 CN200580002597A CN1910020A CN 1910020 A CN1910020 A CN 1910020A CN 200580002597 CN200580002597 CN 200580002597 CN 200580002597 A CN200580002597 A CN 200580002597A CN 1910020 A CN1910020 A CN 1910020A
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- 230000003190 augmentative effect Effects 0.000 claims description 25
- 238000005259 measurement Methods 0.000 claims description 5
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 7
- 238000004441 surface measurement Methods 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000021317 sensory perception Effects 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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Abstract
A circular saw assembly of the type that includes a motor housing, a handle coupled to the motor housing, a generally circular saw blade disposed within a blade housing at a first end of the motor housing, and a foot member through which the blade extends for guiding the saw assembly along a work surface, where the circular saw assembly including a depth of cut locking system and an angle of cut locking system. The depth of cut locking system includes an arcuate bracket with an arcuate slot, and an engagement member extends through the slot and is operatively connected to the motor housing and slideable in the arcuate slot. The angle of cut locking system includes a bracket having an arcuate slot and an engagement member movable in the slot and configured to the bracket. A biasing member is provided to bias the engagement member, and at least one detent recess is provided to retain the engagement member therein.
Description
The application requires the U.S. Provisional Application No.60/537 of submission on January 16th, 2004,436 priority.
Technical field
The present invention relates in general to electric tool, relates in particular to electric manual tool.
Background technology
Electric manual tool for example mitre saw, annular saw and other hand-operated tools often has the function of regulating cutting depth or oblique angle.But for instrument, on instrument, be provided with usually and measure display and indicator, make the user that the cutting angle or the degree of depth can be set in the position of hope with this regulatory function, then usually a fastening securing rod with the position of hope that instrument is kept.The specialty user often adjusts the oblique angle and the degree of depth that is arranged on annular saw, mitre saw and other instrument, and being provided with of will accurately obtaining wishing like this expends time in and energy very much.Because general oblique angle is for example 22-1/2 ° and 45 °, and corresponding to the special thickness setting of the cutting depth of for example 1/4 inch, 1/2 inch, 3/4 inch of common lumber thickness and 2 inches, the toolmaker designs adjustable locking mechanism usually so that have lock piece at these global angles and degree of depth place.
Design lockable mechanism easy to use and the raising precision owing to spent a lot of time and efforts, so designer's next target is the latch system that exploitation has extraordinary operating characteristics.
Summary of the invention
First preferred embodiment that is particularly useful in depth of cut detent systems has used the support with arcuate slots, the lock position has augmenting portion in arcuate slots, described augmenting portion surrounds a circle usually, this diameter of a circle is a bit larger tham the width of groove at each place, lock position, wherein, locking piece has pad, and the diameter of pad is greater than the width of groove and augmenting portion.Pad has the conical butt extension, and described extension is near a hole in the pad, and described hole shape circularizes inclined plane part, and its size makes in its circular lock part that can be engaged in amplification.Thereby securing rod mechanism utilizes spring towards the support pushing pad at any time to be cooperated with support.But pad does not move to its complete length place towards support, amplify in the rounded portions unless conical extension is engaged in one, described rounded portions be selectively located with to the user useful relevant special-purpose pre-position is set.
Second preferred embodiment of the present invention relates to the latch system that is used for annular saw, it has one or more lock piece at desired predetermined angular position place, elongated spring is positioned in the groove at described predetermined angular position place, the part of securing rod can be moved in described groove, wherein, spring and the parts that move in groove are joined the place, lock position that is incorporated in expectation and are cooperated with recess.Described spring cooperates with locking piece, moves along groove to allow locking piece but described spring has enough flexibilities.
Description of drawings
Fig. 1 is the side perspective of annular saw, shows the part of oblique angle latch system and depth of cut detent systems;
Fig. 2 is the enlarged perspective of the part of annular saw shown in Figure 1, shows the depth of cut detent systems of other position except the lock position especially;
Fig. 3 is the enlarged perspective of the part of annular saw shown in Figure 1, shows the system at place, a cutting depth lock position especially;
Fig. 4 is the front view of annular saw shown in Figure 1, shows the part of sector, oblique angle (bevelquadrant) and oblique angle latch system especially.
Fig. 5 is the plane of pad one side that partly matches with the securing rod of depth of cut detent systems;
Fig. 6 is the cutaway view of roughly being got along the straight line 6-6 among Fig. 5;
Fig. 7 is the side view of pad shown in Figure 5;
Fig. 8 is the plane of leaf spring;
Fig. 9 is the side view of leaf spring shown in Figure 8;
Figure 10 is the perspective view of leaf spring shown in Figure 8;
Figure 11 is the end-view of the part of leaf spring shown in Figure 8;
Figure 12 is the side view that has the saw of preferred oblique angle latch system of the present invention;
Figure 13 is the cutaway view of roughly being got along the straight line 13-13 in the oblique angle latch system of Figure 12;
Figure 14 is the augmenting portion of oblique angle latch system shown in Figure 13.
The specific embodiment
Show two preferred embodiments of relevant annular saw in the drawings.First preferred embodiment realizes that in depth of cut detent systems described depth of cut detent systems is used for induction fast and regulates the amount that saw blade extends to the saw bottom, and this has determined effectively can be by the cutting depth of saw processing.Second preferred embodiment realizes in the oblique angle latch system, and described oblique angle latch system and annular saw are set together so that the oblique angle of annular saw is changed to a predetermined angular.
Although two preferred embodiments that illustrate are relevant annular saws, but should be appreciated that latch system disclosed herein and that describe can be used for the mechanism of other hand-operated tools or other type, wherein lock piece is used to limit the common desirable use location of mechanism, and wishes to have the locking ability that mechanism is remained on desired location at this place.Should also be understood that each embodiment can realize in oblique angle or depth of cut detent systems.
With reference to the accompanying drawings, especially Fig. 1 shows an annular saw, wherein shows substantially by the depth of cut detent systems of Reference numeral 10 expressions and the oblique angle latch system of being represented by Reference numeral 12. Latch system 10 and 12 all is displayed in a kind of annular saw and realizes, the saw blade shell 22 that this annular saw has motor housing 14, handle 16, assist handle 18, polycrystalline substance 20 and places saw blade.Utilize depth of cut detent systems 10, this saw can be conditioned to change the degree of depth of cutting, this depth of cut detent systems 10 can make saw pivot around the axis that is limited by bolt 24, be installed in locking mechanism 26 on the handle arrangement 16 in an arcuate slots 28 that is arranged in the bow-shaped support 30 roughly, support 30 well known to a person skilled in the art that by bolt, screw or other structure is installed on the bottom 20.
Similarly, the angle of saw blade can be regulated by a bevel angle adjustment structure, this bevel angle adjustment structure comprises a bevel bracket 32, and this bevel bracket 32 is preferred to form as one with polycrystalline substance 20, and wherein motor housing 14, saw blade shell 22 and saw blade can wind the axis pivot that is limited by bolt 34.The arcuate slots 36 that is positioned at sector, oblique angle 12 is configured to have the radius constant apart from bolt 34, securing rod mechanism 38 makes behind correct location the oblique angle locks in place, this can utilize indicator 39a to carry out in conjunction with measuring instrument 39b by the user, and measuring instrument 39b is set on the outer end face of sector 12.
Referring now to the accompanying drawing 1-3 relevant with depth of cut detent systems, support 30 has a plurality of augmenting portions 40, and augmenting portion 40 is the circular structure with respect to the width of groove 28, and preferably die-cut removal part.Securing rod mechanism 26 has bar handle 42, when bar handle 42 turns clockwise as shown in Figure 1, makes clamp mechanism that saw is remained on the position that is provided with respect to polycrystalline substance 20.Except bar handle 42, securing rod mechanism also comprises the column part 44 with elongated cylindrical extension 46, and this extension 46 extends between handle 16 and bow-shaped support 30 vertically.In the preferred embodiment, cylindrical extension is arranged on sleeve pipe 46a inside, and can imagine does not have sleeve pipe in other embodiments yet.End place at cylindrical extension 46 designs a threaded insert (not shown).Similarly, extend a preferred screw thread receiving element (not shown) from a side of saw blade shell 22, for example bolt (carriage bolt) etc. is carried in double-screw bolt, holder, a described side to support 30 and cooperate with it so as with from cylindrical extension 46 extended threaded insert threaded engagement, thereby securing rod mechanism 26 is connected on the saw blade shell.Like this, the rotation that bar handle 42 edge clockwise directions as shown in Figure 1 carry out makes threaded insert rotate along equidirectional, thereby arrives clamp bracket 30 between the saw blade shell 22 at threaded insert.
On the contrary, when bar 42 moves with the counter clockwise direction among Fig. 1, extension 46 and threaded insert also will rotate counterclockwise, thereby threaded insert is unclamped from a double-screw bolt or a holder year bolt.In case unclamp, motor housing 14, saw blade shell 22 and handle 16 can be with respect to arcuate slots 28 motions to change the cutting depth of saw blade.
More specifically, when securing rod 42 moves along clockwise direction, if desired, securing rod 42 will clamp described saw with respect to support 30.Shown in Fig. 2 and 3, support 30 preferably includes along the augmenting portion 40 at the several position place of the length of groove 28, and according to the demonstration of the scale on the left of the groove, described augmenting portion limits the concrete degree of depth setting of saw blade.These augmenting portions 40 are lock pieces, and experienced user can and use it that annular saw is positioned over predetermined desired locations by sensory perception.In case the arrival desired locations, securing rod 42 rotatable (in a clockwise direction, as Figure 1-3) is so that tightly remain on desired locations with saw cramp.
For this reason, compression spring 50 is set in an end of cylindrical extension 46 preferably, wherein this spring is designed in first end so that cooperate (Fig. 3) with the internal rib 51 of sleeve pipe 46 in the preferred embodiment.At the second end, this spring is designed to cooperate with the special washer 52 that also is provided with in a preferred embodiment, and is designed to cooperate with described augmenting portion and contact with a side 62 of support 30.It is contemplated that other embodiments of the invention, wherein can not have sleeve pipe 46a, spring 50 can extend between special washer 52 and handle 16.
Shown in Fig. 5,6 and 7, pad 52 preferably includes one and has larger-diameter major part 54, shown on the end face cylindrical extension 56 and shown in frusto-conical portion 58 on the bottom surface, and the centre bore 60 that extends through pad.Fig. 2 and 3 shows pad 52, and the face 56a of wherein cylindrical extension 56 contacts with spring 50, and the internal diameter of this spring preferably diameter than extension 56 is big slightly so that closely cooperate.Frusto-conical portion 58 is urged and contacts with the surface 62 of support 30.
Depth of cut detent systems can be locked in any predetermined degree of depth place.When securing rod 42 moves in the latched position, whether be arranged in a circular portion 40 that amplifies according to the common axis of cylindrical extension 46, bolt and pad itself, pad 52 is with respect to the position difference on surface.If common axis is not in augmenting portion 40, because the diameter of frusto-conical portion 58 is greater than the width of groove 28, major part 54 will not contact with surface 62.In this position, major part 54 is spaced apart with surface 62, and amount of space is approximately equal to the height of tapered portion 58, and this interval location as shown in Figure 2.When the common axis of cylindrical extension 46 was arranged in circular augmenting portion 40, tapered portion 58 was engaged in this augmenting portion inside, and major part 54 will contact with the surface 62 of support.Like this, when needs, latch system will be sawed the desired locations that accurately is positioned at one of them lock piece.
The angle of tapered portion 58 is approximated to 40 ° with respect to the axis of pad 52, but can change greater or lesserly as required.When understanding when pad breaks away from circular augmenting portion 40 when moving of groove is used for that with generation pad 52 pushed away the power of support 30, a kind of thinking of angle of definite tapered portion 58 is when securing rod 42 is released, and the angle of tapered portion 58 will exert an influence to the easy degree of saw motion in groove 28.
Like this, in sum, bow-shaped support 30 20 extends from the bottom, and is designed so that securing rod mechanism 26 can be engaged in the groove 28 that is arranged in the support and moves back and forth therein.Particularly, when handle 16 and motor housing 14 during with respect to bolt 24 rotations, the tapered portion 58 of pad 52 is along the track reciprocating motion that is limited by arcuate slots 28 and augmenting portion 40.At the part place that groove 28 does not increase, tapered portion 58 does not closely cooperate with groove 28, but abutment surface 62, and can be locked in place with the threaded engagement of carrying bolt etc. from the extended double-screw bolt in the side of saw blade shell 22, holder by threaded insert.Impel the threaded engagement and the disengaging of threaded insert and screw thread receiving element by the rotation of securing rod mechanism 26 (as shown in the figure, respectively along clockwise direction and counterclockwise).At augmenting portion 40 places of groove 28, when tapered portion 58 was forced to enter in this augmenting portion by thrust piece 50, the user can perception and use by the sensation lock piece.Owing to these augmenting portions 40 preferred corresponding predetermined measurement cutting depth, so that threaded insert and screw thread receiving element are cooperated or break away to cooperate saw is locked in the precalculated position thereby the user can expect lock piece and linkage 26 is rotated.
Return the oblique angle latch system and with reference to accompanying drawing 4 and 8-14, bevel bracket 32 has foregoing groove 36, threaded fastener 69 for example asks a year bolt, double-screw bolt etc. to extend to the groove from the side of groove face to motor housing 14, and is fixed by bevel bracket 32 by rotation.The cylindrical part 70 of securing rod 38 extends through groove 36 and deviates from a side and threaded fastener 69 threaded engagement of motor housing from groove.The operation of securing rod 38 is basic identical with the operation of previously described securing rod 26.
More specifically, threaded fastener 69 length direction along groove in groove 36 slides into desired any position.When securing rod on all directions 38 rotated into latched position and non-locked position, as shown in the figure, securing rod 38 was rotated in a clockwise direction and enters lock fit.Shown in Figure 12 and 13, threaded fastener 69 can be operated with the cylindrical part 70 of securing rod 38 and cooperate, and pad 71 is set between the surface of cylindrical part and bevel bracket 32.Like this, rotation compression bevel bracket 32, sector, oblique angle 12, pad 71 and cylindrical part 70 that securing rod 38 carries out along the direction (clockwise direction shown in the figure) of lock fit, thereby preferably by clamp mechanism with securing rod 38 locks in place, described clamp mechanism is clamped together each element to impel non-pivoting action.
Threaded fastener 69 is designed and orientates as along groove 36 and moves, and when it arrives one of them recess 84, it will provide lock piece and the position, angle is remained on place, expectation lock position, thus the bar 38 rotatable lock fit that enter.As guiding piece, measurement markers 86 can be along the end face setting of bevel bracket 32.Because leaf spring 80 is flexible, it can be locked in close but not be in the position that accurately is centered in the lock piece 84, and described lock piece 84 can make the user that one oblique angle is provided as required, and this oblique angle can be in place by locking on the very close angle of locking angle.As shown in the figure, leaf spring 80 is preferably made by a monoblock spring steel, and has and the contacted bridge joint support 88,90 and 92 of the inner surface of end wall 76.This leaf spring also has inclined protrusions 94 on each support, each support matches so that leaf spring is held in place regularly with the relative wall that recess 74 limits.Inclined protrusions can be designed to various structures, for example rectangle or the point, in order to show purpose, triangle only is shown herein.
Show above and described each embodiment of the present invention, be appreciated that those skilled in the art are easy to expect other variation or alternative embodiment.These change and alternative embodiment does not all break away from the spirit and scope of the present invention, and protection scope of the present invention is determined by claim.
Each feature of the present invention is illustrated in the claims.
Claims (28)
1. annular saw assembly, it comprises: motor housing; The handle that is connected with motor housing; Be placed on the saw blade of the circular in the saw blade shell at first end place of motor housing, wherein said saw blade shell has recess on the sidepiece of described motor housing; And bottom parts, described saw blade extends through bottom parts with along working face aimming circle saw componet, shown in the annular saw assembly comprise:
Cutting depth locking system (10), it comprises: bow-shaped support (30), it has the arcuate slots (28) that extends through wherein; First counterpart (44), it can be operationally connected to motor housing and can slide in described arcuate slots, wherein said support is designed to have a plurality of augmenting portions (40) along the length of described groove, the described at least augmenting portion and the saw blade shell of the described support of the described first counterpart lock fit; And bar part (42), selectively cooperate and break away from cooperation thereby be used for moving described first counterpart with described support and saw blade shell; And
Cutting angle locking system (12), it comprises: the support (32) with arcuate slots (36); Second counterpart (69), it can move in described groove and be designed to and cooperate with described support; At least one thrust piece (80), it is designed to push described second counterpart; At least one locking recess (84), it is designed in the described thrust piece so that match to merge with described second counterpart described second counterpart is remained on wherein; And bar part (38), be used for optionally with respect to described second counterpart of described bracket locked.
2. annular saw assembly according to claim 1 is characterized in that, described first counterpart also comprises clamp assembly.
3. annular saw assembly according to claim 2 is characterized in that, described clamp assembly comprises spring pushing pad, and described pad has main body and mating part.
4. annular saw assembly according to claim 3 is characterized in that described mating part is designed to the conical shaped extension, and described extension has truncated apex and passes the centre bore of described extension.
5. annular saw assembly according to claim 3 is characterized in that described mating part has predetermined diameter at its base position, and described predetermined diameter is a bit larger tham the diameter of described groove, but is slightly smaller than the diameter of described augmenting portion at least.
6. annular saw assembly according to claim 4 is characterized in that, described clamp assembly also comprises the screw thread extension that is designed to extend through described centre bore, and described screw thread extension matches with the saw blade shell.
7. annular saw assembly according to claim 1 is characterized in that, that described second counterpart comprises is one threaded to small part, general hollow and columniform body.
8. annular saw assembly according to claim 1 is characterized in that, also comprises roughly arc thrust piece, and described thrust piece is arranged in the described support and is oriented on described second counterpart and applies downward thrust.
9. annular saw assembly according to claim 8, it is characterized in that, described at least one lock part is designed to extend downwardly in the described groove that has at least one sticking department, and described sticking department extends up in the corresponding recess in the described support so that described thrust piece is cooperated with described bracket locked.
10. one kind is used at the locking system of annular saw assembly Selective Control saw blade with respect to the orientation of working face, and described annular saw assembly comprises: the motor housing with handle; Be placed on the interior circular saw blade of saw blade shell at the first end place of motor housing, wherein, the saw blade shell has recess in the side towards described locking system; And a bottom parts, saw blade extends through described bottom parts to guide described annular saw assembly along working face, and described locking system comprises:
Bow-shaped support, its length extends upward from the end face of described bottom parts;
Arcuate slots, it is arranged in the described length of described support;
At least one augmenting portion, its length along described groove are arranged on predetermined increment place;
Counterpart, it is from extending from motor housing along the direction that is approximately perpendicular to described support, and described counterpart has clamp assembly at its first end place, and the size of described clamp assembly and structure are designed to optionally cooperate with described support and saw blade shell; And
Pivotable bar, it extends radially out from described counterpart, and is designed to can operate with described counterpart and cooperates so that described counterpart rotation.
11. locking system according to claim 10 is characterized in that, described augmenting portion is designed to the circular shape.
12. locking system according to claim 10 is characterized in that also comprising a plurality of augmenting portions that are arranged on predetermined increment place along the length of described groove.
13. locking system according to claim 10 is characterized in that, described clamp assembly comprises spring pushing pad, and described pad has main body and mating part.
14. locking system according to claim 13 is characterized in that, described mating part is designed to the conical shaped extension, the centre bore that described extension has truncated apex and passes described extension.
15. locking system according to claim 13 is characterized in that, described mating part has predetermined diameter, and described predetermined diameter is a bit larger tham the diameter of described groove, but is slightly smaller than the diameter of described augmenting portion at least.
16. locking system according to claim 13 is characterized in that, described mating part is set at the angle place about 40 ° with respect to described main body.
17. locking system according to claim 16 is characterized in that, described clamp assembly also comprises the screw thread extension that is designed to extend through described centre bore, and described screw thread extension is designed to and is arranged on the recess threaded engagement on the saw blade shell.
18. locking system according to claim 17 is characterized in that, described bar is designed to rotate in a clockwise direction so that make described screw thread extension and the recess threaded engagement that is arranged on the saw blade shell.
19. locking system according to claim 17 is characterized in that, described bar is designed to rotate in a counter-clockwise direction to be cooperated so that the recess on making described screw thread extension and being arranged on the saw blade shell breaks away from.
20. locking system according to claim 10 is characterized in that also comprising that the measurement markers that is provided with along the length of described groove is with the indication cutting depth.
21. one kind is used at the locking system of annular saw assembly Selective Control saw blade with respect to the orientation of the working face of circular saw blade, described annular saw assembly comprises: the motor housing with handle; Be placed on the interior circular saw blade of saw blade shell at the first end place of motor housing; And a bottom parts, saw blade extends through described bottom parts to guide described annular saw assembly along working face, and described locking system comprises:
Bow-shaped support, its end face from described bottom parts extends;
Arcuate slots, it is along at least a portion setting of the length of described support;
At least one arc thrust piece, it is connected to described support and has the part that extends in the described arcuate slots, and described arc thrust piece comprises at least one locking recess;
Counterpart, it is designed to cooperate with described groove and screw thread receives from the extended threaded fastener of motor housing, when described counterpart contacts described thrust piece when described groove moves; And
Pivotable bar, it is designed to radially extend and make the rotation of described counterpart from described counterpart, and wherein said counterpart is designed to cooperate with described bracket locked along described groove.
22. locking system according to claim 21 is characterized in that, that described counterpart comprises is one threaded to small part, general hollow and columniform body.
23. locking system according to claim 21 is characterized in that, also comprises roughly arc thrust piece, described thrust piece is arranged in the described support and is oriented in and applies downward thrust on the described counterpart.
24. locking system according to claim 23, it is characterized in that, described at least one lock part is designed to extend downwardly in the described groove that has at least one sticking department, and described sticking department extends up in the corresponding recess in the described support so that described thrust piece is cooperated with described bracket locked.
25. locking system according to claim 24 is characterized in that, described lock part is roughly rectangle, and has drop-center along its bottom surface.
26. locking system according to claim 24, it is characterized in that, described support also comprises at least one bent support, and described bent support is designed and is arranged between the end face of described support and described thrust piece the direction along described groove and extends downwards from described support.
27. locking system according to claim 21 is characterized in that also comprising central part, this central part of having a few on the radius of described support has identical radius.
28. locking system according to claim 21, it is characterized in that also being included on the described cradle top surface measurement markers with the indication cutting angle.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US53743604P | 2004-01-16 | 2004-01-16 | |
| US60/537,436 | 2004-01-16 | ||
| US10/898,853 | 2004-07-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1910020A true CN1910020A (en) | 2007-02-07 |
| CN100473509C CN100473509C (en) | 2009-04-01 |
Family
ID=37700765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800025972A Active CN100473509C (en) | 2004-01-16 | 2005-01-11 | Cut bevel and depth detent system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100473509C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102216042A (en) * | 2008-12-17 | 2011-10-12 | 博世电动工具（中国）有限公司 | Circular saw with anti-splinter device |
| CN103302704A (en) * | 2012-03-08 | 2013-09-18 | 赵彦杰 | Machine for cutting bamboos |
| CN103945998A (en) * | 2011-11-15 | 2014-07-23 | 罗伯特·博世有限公司 | Device for limiting the depth of a cut |
| CN108994912A (en) * | 2018-08-30 | 2018-12-14 | 甘肃建投钢结构有限公司 | A kind of edge milling machines suitable for heat insulation decoration integrated plate |
| CN115734856A (en) * | 2020-06-25 | 2023-03-03 | 费斯托工具有限责任公司 | Circular saw with locking assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1830580A (en) * | 1930-08-16 | 1931-11-03 | Wappat Inc | Electric handsaw |
| DE4300033B4 (en) * | 1993-01-02 | 2005-02-24 | Robert Bosch Gmbh | Hand circular saw with bevel angle adjustment device |
| US6202311B1 (en) * | 1999-07-30 | 2001-03-20 | Black & Decker Inc. | Circular saw with bevel angle adjustment mechanism |
| CN2458135Y (en) * | 2001-01-20 | 2001-11-07 | 中山市力高电动工具制造有限公司 | Woodworking bench saw capable of regulating angle of saw blade |
| JP3888165B2 (en) * | 2002-01-16 | 2007-02-28 | 日立工機株式会社 | Portable cutting machine |
-
2005
- 2005-01-11 CN CNB2005800025972A patent/CN100473509C/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102216042A (en) * | 2008-12-17 | 2011-10-12 | 博世电动工具（中国）有限公司 | Circular saw with anti-splinter device |
| CN102216042B (en) * | 2008-12-17 | 2014-08-20 | 博世电动工具（中国）有限公司 | Circular saw with anti-splinter device |
| CN103945998A (en) * | 2011-11-15 | 2014-07-23 | 罗伯特·博世有限公司 | Device for limiting the depth of a cut |
| CN103945998B (en) * | 2011-11-15 | 2016-11-23 | 罗伯特·博世有限公司 | Cutting depth limits device |
| US9623583B2 (en) | 2011-11-15 | 2017-04-18 | Robert Bosch Gmbh | Device for limiting the depth of a cut |
| CN103302704A (en) * | 2012-03-08 | 2013-09-18 | 赵彦杰 | Machine for cutting bamboos |
| CN108994912A (en) * | 2018-08-30 | 2018-12-14 | 甘肃建投钢结构有限公司 | A kind of edge milling machines suitable for heat insulation decoration integrated plate |
| CN115734856A (en) * | 2020-06-25 | 2023-03-03 | 费斯托工具有限责任公司 | Circular saw with locking assembly |
| CN115734856B (en) * | 2020-06-25 | 2024-04-12 | 费斯托工具有限责任公司 | Circular saw with locking assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100473509C (en) | 2009-04-01 |
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