CN101745696A - Chain saw - Google Patents
Chain saw Download PDFInfo
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- CN101745696A CN101745696A CN200810189056A CN200810189056A CN101745696A CN 101745696 A CN101745696 A CN 101745696A CN 200810189056 A CN200810189056 A CN 200810189056A CN 200810189056 A CN200810189056 A CN 200810189056A CN 101745696 A CN101745696 A CN 101745696A
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- chain
- saw
- frictional disk
- carrier bar
- chain saw
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Abstract
The invention discloses a chain saw which comprises a casing, a chain wheel installed and borne in the casing and used for driving the chain saw and a chain plate for guiding the motion of the chain saw; wherein the chain plate extends out of the casing along the longitudinal direction and can move longitudinally relative to the casing. The chain saw also comprises a saw chain tensioning device, the saw chain tensioning device comprises a stressed piece arranged on the chain plate, a driving piece acting on the stressed piece and driving the chain plate to move longitudinally and a rotating device for rotating the driving piece, wherein a stepless clutch device is arranged between the rotating device and the driving piece. The saw chain tensioning device can enable the chain saw to compress the chain plate while tensioning the saw chain, and is convenient to operate, stable and not easy to wear.
Description
Technical field
The present invention relates to a kind of chain saw, especially a kind of chain saw with chain tension adjusters.
Background technology
PCT patent application WO9833631 discloses a kind of chain saw with chain stretching device on August 6th, 1998, and wherein, the chain saw carrier bar is fixed between two clamping disks, and is fixed on the housing with them, and housing vertically moves relatively.Hitching post passes hole in the eccentric wheel and the elongated hole on the housing, twist to be fixed on housing and guided, and among the clamping disk that can vertically move, its bolt head is fixed in eccentric wheel on the housing.For the tensioning saw chain, at first need bolt is unclamped, rotate eccentric wheel, thereby bolt and clamping disk are moved to carrier bar top direction, when saw chain reaches desired tensile force, the eccentric wheel that stops operating, and then tight a bolt, thus by stressed effect eccentric wheel and clamping disk and carrier bar are fixed on the position that sets on the housing.This saw chain tensioning process is relatively complicated, and carrier bar locking absent-mindedness easily, thereby causes the tensile force of saw chain lax, has increased the danger that saw chain is jumped off from carrier bar, to this, can only be to solve by saw chain is carried out follow-up tensioning regularly.
For solving above-mentioned chain saw tensioning problem, to be CN1174841C on November 10th, 2004 authorize the Chinese patent notification number has announced a kind of chain saw, this chain saw has a chain tension adjusters, wherein, this chain saw has a housing, and a sprocket wheel and a carrier bar of aiming at this sprocket wheel that is installed on this housing is arranged, this carrier bar stretches away from housing and the saw chain with sprocket engagement is led circularly, this carrier bar can be mounted with respect to housing and sprocket wheel in the vertical movably by a tensioning apparatus with regulating, and tensioning apparatus has an eccentric wheel that can be fixed in the backstop on the carrier bar and can rotate by means of rotating element, this rotating element is by in two shellies, outer hand wheel is formed, in, outer hand wheel can be plug-in mutually, and relatively rotate around a common axis, wherein, interior handwheel can move vertically and can be supported on the carrier bar with respect to housing, outer hand wheel is connected to carry rotating manner with eccentric wheel, and between interior handwheel and the outer hand wheel, and all pass through an offside clamping connector between outer hand wheel and the housing and be connected, after the saw chain tensioning, handwheel can static relatively being connected with outer hand wheel in this offside clamping connector can make.By said structure, this chain saw is after the saw chain tensioning, and carrier bar is difficult for absent-mindedness, guaranteed the effective tensile force of saw chain, but in the process of tensioning, needed internal handwheel and outer hand wheel to operate respectively, complicated operation, man-machine function a little less than.
For solving the problem of above-mentioned chain saw tensioning, the Chinese patent notification number is that CN1138620C discloses a kind of chain saw, this chain saw comprises that a sprocket wheel that is rotatably supported in the housing and saw chain that be used for being guided on carrier bar, one are used to make that carrier bar vertically moves and have a chain tension adjusters that makes eccentric wheel that carrier bar moves and make the tumbler that eccentric wheel rotates, wherein, rotary connecting device between tumbler and the eccentric wheel constitutes as the clamping clutch, regulates its transposition clamping power corresponding to required chain tension.This structure makes in saw chain tensioning process, only needs a tumbler operation saw chain of tensioning simultaneously and compress carrier bar, and easy to operate, man-machine function is strong, but set clamping clutch weares and teares easily, and stable inadequately.
Summary of the invention
At the deficiencies in the prior art, the technical problem to be solved in the present invention provides a kind of chain saw, and this chain saw has easy to operate, a stable and nonabradable chain tension adjusters.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of chain saw, comprise a housing, dress hold in described housing and be used to drive the sprocket wheel of saw chain and one be the carrier bar of described saw chain motion guide, described carrier bar extends longitudinally out described hull outside, and can vertically move by described relatively housing, described chain saw also comprises a chain tension adjusters, wherein, described chain tension adjusters comprises that one is arranged at a stressed member and the described stressed member of effect on the described carrier bar and drives the driving link that carrier bar vertically moves, and the tumbler that rotates described driving link, be provided with a stepless engaging and disengaging gear between described tumbler and the described driving link.
Further, the frictional force of described friction engaging and disengaging gear is determined by the tensile force that described saw chain needs.
Described friction engaging and disengaging gear comprises an elastic component and a frictional disk assembly that friction pressure is provided, the described frictional disk assembly of described resilient member biases.
Described frictional disk assembly comprises at least one frictional disk and a rotary sleeve, and described rotary sleeve is sheathed on described frictional disk periphery.
Described friction engaging and disengaging gear comprises that also one can be by the pedestal of described frictional disk driven rotary.
Described pedestal connects described driving link and described frictional disk, and described elastic component is arranged between described pedestal and described frictional disk.
Be provided with at least one shackle member between described tumbler and the described rotary sleeve, described shackle member drives described rotation and is placed in described tumbler and is synchronized with the movement when the saw chain tensioning.
Described chain saw also comprises a guard shield that is used to seal described object, and described tensioning apparatus is placed in the described guard shield.
Described guard shield is provided with an opening, and described tumbler passes described opening and connects described driving link.
Further, described driving link is configured to an eccentric wheel, and described stressed member is configured to a retaining head that is fixed in described carrier bar.
Chain saw of the present invention has a tensioning apparatus that compresses carrier bar in the tensioning saw chain, and this chain tension adjusters is easy to operate, stable and not easy to wear.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the partial front elevation view of chain saw after guard shield moves in the specific embodiments of the invention.
Fig. 2 is the tensioning apparatus cutaway view of chain saw in the specific embodiments of the invention.
Fig. 3 is the tensioning apparatus perspective exploded view of chain saw in the specific embodiments of the invention.
Fig. 4 is the handwheel engagement rotary sleeve schematic perspective view of chain saw in the specific embodiments of the invention.
Wherein:
5 chain saws, 6 housings, 7 sprocket wheels
9 carrier bars, 91 retaining 93 elongated hole
11 saw chains, 13 guard shields, 131 guard shield openings
15 tumblers, 151 handwheels, 152 closing sleeves
153 central axis, 16 shackle member, 161 button springs
17 spacing stage clip 18 frictional disk screws 19 first frictional disks
21 second frictional disks, 211 recesses 23 the 3rd frictional disk
25 the 4th frictional disks, 27 rotary sleeves, 271 annular friction sheets
272 raised lines, 273 oblique latch 29 clutch stage clips
31 frictional disk pedestals, 311 frictional disk connectors, 313 eccentric wheel connectors
33 eccentric wheels, 35 briquettings, 36 back-up rings
37 bolts
The specific embodiment
As shown in Figure 1, in the embodiment of the invention, related chain saw 5 comprises a housing 6, sprocket wheel 7 rotating this housings 6 that are bearing in that are used for driving saw chain 11, wherein, this sprocket wheel 7 is driven (not shown) by a transmission device by power set, simultaneously, this chain saw 5 also comprises a carrier bar 9, these carrier bar 9 one end bearings are in housing 6, the other end extends this housing 6 at these carrier bar 9 longitudinal directions, and saw chain 11 is set on described sprocket wheel 7 and the carrier bar 9, and can being directed along this carrier bar 9 edges circulation.In order to regulate the tension force of saw chain 11, this carrier bar 9 can move relative to described housing 6 along these carrier bar 9 longitudinal extension directions, makes gap variable size between this carrier bar 9 and the sprocket wheel 7, thereby makes described saw chain 11 to be tensioned or lax.
As Fig. 2, shown in Figure 3, for the described saw chain 11 of tensioning and described carrier bar 9 is fixed on the housing 6 one is suitable on the position of saw chain 11 tensile forces that adjusted, this chain saw 5 also has a chain tension adjusters, and this tensioning apparatus is placed in a guard shield 13 that is used for closure casing 6.Wherein, this tensioning apparatus comprises a rotating eccentric wheel 33 near carrier bar 9 one sides, a tumbler 15 and the friction engaging and disengaging gear that control eccentric 33 rotates, the extrados of described eccentric wheel 33 abuts against a retaining that is fixedly connected on carrier bar 9 91, when the described eccentric wheel 33 of tumbler 15 operations rotates, this eccentric wheel 33 is against described retaining 91 and promote this retaining 91 and vertically move outside housing 6 along described carrier bar 9 longitudinal extension directions, a described immediately retaining described carrier bar 9 of 91 drives vertically moves towards leaving housing 6 directions along carrier bar 9 longitudinal extension directions, make carrier bar 9 away from sprocket wheel 7, thereby the described saw chain 11 of tensioning, wherein, described eccentric wheel 33 also can be configured to turbine, gear etc., described retaining 91 also can be configured to cooperate turbine, the scroll bar of gear, tooth bars etc. are as long as can make described tumbler 15 move relative to described housing 6 along these carrier bar 9 longitudinal extension directions by ordering about described carrier bar 9 after the transmission.
Described friction engaging and disengaging gear is the revolving joint that is arranged between this tumbler 15 and the eccentric wheel 33, is used to connect described tumbler 15 and described eccentric wheel 33.This friction engaging and disengaging gear produces friction clutch power by the friction device on it, and described friction clutch power is meant when the friction engaging and disengaging gear clutch, the limiting value that frictional force reached on the friction device.This friction clutch power is adjusted this its friction clutch power size in advance corresponding to saw chain 11 required best saw chain tension force.In the tensioning process, in saw chain 11 falls into the gathering sill of carrier bar 9 longitudinal edges fully and when being tensioned simultaneously, carrier bar 9 moving resistances slowly improve, tumbler 15 is rotated further, after the binding force that mobile carrier bar 9 is produced by saw chain 11 has surpassed the friction clutch power in the friction engaging and disengaging gear, friction engaging and disengaging gear makes tumbler 15 can not drive described eccentric wheel 33 and rotates, tumbler 15 continues to finish carrier bar 9 work that compress, this moment, eccentric wheel 33 then kept inactive state, i.e. the certain tensile force of saw chain 11 maintenances is constant.Therefore, friction engaging and disengaging gear can guarantee that saw chain 11 always has identical saw chain tension force after having operated the saw chain tensioning, this tension force is by the decision of the friction clutch power of the friction engaging and disengaging gear that adjusts in advance in factory, feel irrelevant with user's individual, make that the user can be tensioned to easily in saw chain tensioning process and be the pre-designed saw chain tension state of best effort process.
In best mode for carrying out the invention, described tumbler 15 comprise a closing sleeve 152 with one with these closing sleeve 152 relative static handwheels 151, described closing sleeve 152 has a central axis 153, described eccentric wheel 33 can be connected by described friction engaging and disengaging gear with described closing sleeve 152, and described closing sleeve 152 central axis 153 are coaxial with described eccentric wheel 33 turning cylinder center lines.These closing sleeve 152 inside constitute a threaded portion, this threaded portion and an end are fixed in the housing 6, vertical this housing 6 in threaded portion stretches out, and the external thread part that passes the bolt 37 of the elongated hole 93 of the longitudinal extension of setting on the described carrier bar 9 cooperates, and makes these closing sleeve 152 vertical described carrier bars 9 be provided with.Wherein, this closing sleeve 152 is being arranged with a briquetting 35 near carrier bar 9 one ends, this briquetting 35 is arranged between described friction engaging and disengaging gear and the described carrier bar 9 and carries out spacing to described eccentric wheel 33, and after chain saw 5 tensionings, be used to compress carrier bar 9, to keep the rate of tension of chain saw 5, make that saw chain 11 can not relax because of the vibrations of chain saw 5, and the user is caused danger in the course of the work.Simultaneously, described closing sleeve 152 also is being with a back-up ring 36 near on the end of carrier bar 9, and this back-up ring 36 is used for spacing described briquetting 35, deviates from from this closing sleeve 152 to prevent this briquetting 35, guarantees stability of structure.And the other end of this closing sleeve 152 is surrounded with these closing sleeve 152 relative static handwheels 151 by one, with user-friendly this closing sleeve 152, for this reason, closing sleeve 152 has a radially outstanding flange on the end that deviates from carrier bar 9, being arranged in the handwheel 151 and by its upper side of its form fit is bearing on the axle collar that takes shape in the handwheel 151, and quilt is spacing with these handwheel 151 all-in-one-piece flanges on the bottom surface.
Described transmission device 15 passes on the described guard shield 13 the guard shield opening 131 with the coaxial circle of closing sleeve 152, this guard shield opening 131 and described handwheel 151 form fit, make this handwheel 151 can insert in the described guard shield opening 131, and can drive described closing sleeve 152 and rotate, thereby easily the tensioning saw chain be operated relative to guard shield 13.
Extremely shown in Figure 4 as Fig. 2, described friction engaging and disengaging gear comprises the frictional disk assembly, frictional disk pedestal 31 and clutch stage clip 29, wherein, the frictional disk assembly comprises first frictional disk 19, second frictional disk 21, the 3rd frictional disk 23, the 4th frictional disk 25 and rotary sleeve 27, described frictional disk pedestal 31 is being provided with an eccentric wheel connector 313 near described eccentric wheel 33 1 sides, this eccentric wheel connector 313 and described frictional disk pedestal 31 are configured to one, and the shape of through holes that cooperates described eccentric wheel 33 to be provided with connects described eccentric wheel 33, after making that described eccentric wheel connector 313 connects described eccentric wheel 33, described eccentric wheel 33 can keep relative static with described eccentric wheel connector 313.In addition, described frictional disk pedestal 31 is provided with at least one frictional disk connector 311 in a side of described eccentric wheel 33 dorsad, in best mode for carrying out the invention, this frictional disk pedestal 31 is provided with three frictional disk connectors 311 altogether, and each frictional disk connector all is configured to a cannulated threaded column.Described first frictional disk 19, the 3rd frictional disk 23, the 4th frictional disk 25 connect described frictional disk connector 311 by the connecting hole that frictional disk screw 18 passes the described frictional disk connector 311 of cooperation that is provided with on it.Wherein, the 4th frictional disk 25 is provided with near described frictional disk pedestal 31, and and 19 of first frictional disks be provided with second frictional disk 21 and the 3rd frictional disk 23, this second frictional disk 21 is clamped between described first frictional disk 19 and the 3rd frictional disk 23, and mobilizable being sheathed on the described frictional disk connector 311, described rotary sleeve 27 is supported on described frictional disk pedestal 31 eccentric wheel 33 1 sides dorsad, and can hold this first to fourth frictional disk therein, this rotary sleeve 27 comprises the oblique latch 273 that outer circumference surface constitutes, annular friction sheet 271 that inner peripheral surface is provided with and the raised line 272 that is arranged at described annular friction sheet 271 tops, wherein, described belt friction plate 271 is arranged between the 3rd frictional disk 23 and the 4th frictional disk 25, the 3rd frictional disk 23 is separated mutually with the 4th frictional disk 25, this raised line 272 recess 211 that second frictional disk, 21 edges are provided with that can be connected makes on the described rotary sleeve 27 of connection that described second frictional disk 21 can be static relatively.And the described frictional disk pedestal 31 of described clutch stage clip 29 1 end bias voltages, described the 4th frictional disk 25 of other end bias voltage so that described frictional disk pressure to be provided, thereby produces corresponding frictional force.What deserves to be mentioned is: the annular friction sheet 271 that is provided with on first frictional disk 19, second frictional disk 21, the 3rd frictional disk 25, the 4th frictional disk 27 and the frictional disk pedestal all has bigger coefficient of friction, and the big I of frictional force adjusts for their biasing force size by clutch stage clip 29.Simultaneously, described first frictional disk 19, second frictional disk 21, the 3rd frictional disk 23, the 4th frictional disk 25 and frictional disk pedestal 31 all have the perforate coaxial with the central axis 153 of described closing sleeve 152, described closing sleeve 152 connects described bolt 37 after passing their perforate, in addition, at handwheel 151 of fixedlying connected and 19 of first frictional disks a spacing stage clip 17 is installed with described closing sleeve 152, this described handwheel 151 of spacing stage clip 17 bias voltages and described first frictional disk 19, give described friction engaging and disengaging gear one spacing power, prevent that this friction engaging and disengaging gear from moving axially on the central axis 153 of closing sleeve 152, cause tensioning apparatus stable inadequately.
The described friction engaging and disengaging gear of handwheel 151 drivings for convenience carries out the saw chain tensioning, and when lax described saw chain 11, need not overcome stronger frictional force, as shown in Figure 4, described handwheel 151 inner ring edges are connected with at least one shackle member 16 by screw, this shackle member 16 comprises the shackle portion that the coupling part that connects described handwheel 151 and the described oblique latch 273 of form fit are provided with, for cooperating the coupling part of described shackle member 16, handwheel 151 inner ring edges are provided with the connector of the described screw of corresponding cooperation, and between each described shackle member 16 coupling part and handwheel 151 connectors, be provided with button spring 161, this button spring 161 can be given elastic force towards handwheel 151 centers of described shackle member 16 shackle portion, make when handwheel 151 connects described friction engaging and disengaging gear, these shackle member 16 shackle portion can mesh with the oblique latch 273 of described rotary sleeve 27 peripheries, form a ratchet device, i.e. oblique latch 273 rotations of the unidirectional only drive of shackle member 16.This ratchet device makes that when screwing described tumbler 15 handwheel 151 drives this shackle member 16 rotations, thereby drives described rotary sleeve 27 rotations; When relaxing this tumbler 15, the shackle portion of this shackle member 16 can be climbed motion on this oblique latch, make this rotary sleeve 27 keep static and handwheel 151 continuation rotations, and drive the bolt 37 that is provided with on the closing sleeve 152 disengaging housings 6, take off from chain saw 5 thereby allow guard shield 13 drive tensioning apparatus.
Pass through said structure, saw chain 11 tensionings of chain saw of the present invention and carrier bar 9 compress and are achieved in that when the user takes chain saw 5 and needs tensioning saw chain 11, at first described guard shield 13 is buckled in the relevant position on the described housing 6, make the tumbler 15 that is placed in the tensioning apparatus on the guard shield 13 aim at the bolt 37 that passes carrier bar 9, secondly, rotate described handwheel 151, making this handwheel 151 drive described closing sleeve 152 moves axially facing to carrier bar 9 on described bolt 37 by threaded engagement, meanwhile, this handwheel 151 cooperates by shackle member 16 shackle portion of connection on it and the oblique latch 273 of rotary sleeve 27 peripheries, driven rotary cover 27 rotates synchronously, make rotary sleeve 27 drive with its on raised line 272 second frictional disk 21 that is connected that matches rotate synchronously, and under the frictional force that produces by clutch spring 29 effects, drive first frictional disk 19 and the 3rd frictional disk 23 rotates synchronously, simultaneously, rotary sleeve 27 is also by the frictional force effect, drive the 3rd frictional disk 23 and the 4th frictional disk 25 rotates synchronously, in addition first, the 3rd, the 4th frictional disk is fixedly connected on frictional disk pedestal 31 by frictional disk screw 18, so can drive frictional disk pedestal 31 rotates synchronously, eccentric wheel 33 rotation synchronously and the effect carrier bar 9 that make 31 drives of frictional disk pedestal connect on it vertically move, saw chain 11 beginning tensionings, at this moment, the frictional force that produced less than the 29 bias voltage frictional disks of the clutch spring in the friction engaging and disengaging gear that sets in advance in factory of the tensile force of saw chain 11.Be rotated further handwheel 151, when saw chain 11 tensionings have reached behind the optimum tensile force that factory sets in advance, chain saw 5 saw chain tensionings are finished, at this moment, the tensile force of saw chain 11 forms a binding force to the reaction force of carrier bar 9, this binding force by the retaining that is provided with on the carrier bar 9 91 be delivered to this retaining 91 eccentric wheel that cooperate 33 on, and further be delivered on the friction engaging and disengaging gear that is arranged between eccentric wheel 33 and the tumbler 15, at this moment, after saw chain is finished tensioning, this reaction force size has surpassed above-mentioned friction clutch power, continues rotation hand wheel 151, and friction clutch is influenced the reaction force that eccentric wheel 33 produces by tensile force, carry out clutch, in the present embodiment, i.e. first frictional disk 19, frictional force between the 3rd frictional disk 23 and second frictional disk 21 overcome and throwing off, simultaneously, the 3rd frictional disk 23, frictional force between the 4th frictional disk 25 and rotary sleeve 27 overcome and throwing off, thereby make frictional disk pedestal 31 stop operating, eccentric wheel 33 keeps static, and saw chain 11 rates of tension remain unchanged.What deserves to be mentioned is: being provided with four frictional disks and a rotary sleeve 27 with phase mutual friction connection in order to stablize friction engaging and disengaging gear is preferred forms of the present invention, but in fact, only need two can the phase mutual friction part can realize the effect of friction engaging and disengaging gear of the present invention according to the frictional force between them.The briquetting 35 that handwheel 151 continues rotation and drive closing sleeve 152 and closing sleeve 152 connections continues to move to carrier bar 9 directions, compresses carrier bar 9.
Claims (10)
1. chain saw, comprise a housing (6), dress hold in described housing (6) and be used to drive the sprocket wheel (7) of saw chain (11) and one be the carrier bar (9) of described saw chain (11) motion guide, described carrier bar (9) extends longitudinally out described housing (6) outside, and can vertically move by described relatively housing (6), described chain saw (5) also comprises a chain tension adjusters, it is characterized in that: described chain tension adjusters comprises that one is arranged at a stressed member (91) and the effect described stressed member (91) on the described carrier bar (9) and drives the driving link (33) that carrier bar (9) vertically moves, and the tumbler (15) that rotates described driving link (33), be provided with a stepless engaging and disengaging gear between described tumbler (15) and the described driving link (33).
2. chain saw according to claim 1 is characterized in that: described stepless engaging and disengaging gear is a friction engaging and disengaging gear.
3. chain saw according to claim 2 is characterized in that: the frictional force of described friction engaging and disengaging gear is regulated corresponding to the tensile force of described saw chain (11) needs.
4. chain saw according to claim 3 is characterized in that: described friction engaging and disengaging gear comprises an elastic component (29) and a frictional disk assembly that friction pressure is provided, the described frictional disk assembly of described elastic component (29) bias voltage.
5. chain saw according to claim 4 is characterized in that: described frictional disk assembly comprises at least one frictional disk (19,21,23,25) and a rotary sleeve (27), and described rotary sleeve (27) is sheathed on described frictional disk (19,21,23,25) periphery.
6. chain saw according to claim 5 is characterized in that: described friction engaging and disengaging gear comprises that also one can be by the pedestal (31) of described frictional disk (19,21,23,25) driven rotary.
7. chain saw according to claim 6, it is characterized in that: described pedestal (31) connects described driving link (33) and described frictional disk (19,21,23,25), and described elastic component (29) is arranged between described pedestal (31) and described frictional disk (19,21,23,25).
8. chain saw according to claim 7, it is characterized in that: be provided with at least one shackle member (16) between described tumbler (15) and the described rotary sleeve (27), described shackle member (16) drives described rotary sleeve (27) and is synchronized with the movement in described tumbler (15) when saw chain (11) tensioning.
9. chain saw according to claim 8 is characterized in that: described chain saw (5) also comprises a guard shield (13) that is used to seal described object, and described tensioning apparatus is placed in the described guard shield (13).
10. according to any described chain saw in the claim 1 to 9, it is characterized in that: described driving link (33) is configured to an eccentric wheel, and described stressed member (91) is configured to a retaining head that is fixed in described carrier bar (9).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810189056A CN101745696A (en) | 2008-12-16 | 2008-12-16 | Chain saw |
| EP09832935.2A EP2366513B1 (en) | 2008-12-16 | 2009-12-16 | Chain saw |
| PCT/CN2009/075652 WO2010069253A1 (en) | 2008-12-16 | 2009-12-16 | Chain saw |
| US13/140,001 US9878463B2 (en) | 2008-12-16 | 2009-12-16 | Chain saw |
| US15/845,678 US20180104845A1 (en) | 2008-12-16 | 2017-12-18 | Chain saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810189056A CN101745696A (en) | 2008-12-16 | 2008-12-16 | Chain saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101745696A true CN101745696A (en) | 2010-06-23 |
Family
ID=42473667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810189056A Pending CN101745696A (en) | 2008-12-16 | 2008-12-16 | Chain saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101745696A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183324A (en) * | 2011-03-02 | 2011-09-14 | 浙江亚特电器有限公司 | Structure for displaying strain of chain plate of chain saw |
| WO2012041192A1 (en) * | 2010-09-29 | 2012-04-05 | 苏州宝时得电动工具有限公司 | Chain saw |
| CN102430810A (en) * | 2010-09-29 | 2012-05-02 | 苏州宝时得电动工具有限公司 | Chain saw with saw chain tension device |
| CN102430809A (en) * | 2010-09-29 | 2012-05-02 | 苏州宝时得电动工具有限公司 | Chain saw |
| CN102430811A (en) * | 2010-09-29 | 2012-05-02 | 苏州宝时得电动工具有限公司 | Handheld chain saw |
| CN103429405A (en) * | 2011-03-18 | 2013-12-04 | 胡斯华纳有限公司 | Chainsaw with guide bar clamping and chain tensioning assembly |
-
2008
- 2008-12-16 CN CN200810189056A patent/CN101745696A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012041192A1 (en) * | 2010-09-29 | 2012-04-05 | 苏州宝时得电动工具有限公司 | Chain saw |
| CN102430810A (en) * | 2010-09-29 | 2012-05-02 | 苏州宝时得电动工具有限公司 | Chain saw with saw chain tension device |
| CN102430809A (en) * | 2010-09-29 | 2012-05-02 | 苏州宝时得电动工具有限公司 | Chain saw |
| CN102430811A (en) * | 2010-09-29 | 2012-05-02 | 苏州宝时得电动工具有限公司 | Handheld chain saw |
| CN102430811B (en) * | 2010-09-29 | 2013-10-16 | 苏州宝时得电动工具有限公司 | Handheld chain saw |
| CN102430809B (en) * | 2010-09-29 | 2013-10-16 | 苏州宝时得电动工具有限公司 | Chain saw |
| CN102430810B (en) * | 2010-09-29 | 2013-12-25 | 苏州宝时得电动工具有限公司 | Chain saw with saw chain tension device |
| CN102183324A (en) * | 2011-03-02 | 2011-09-14 | 浙江亚特电器有限公司 | Structure for displaying strain of chain plate of chain saw |
| CN103429405A (en) * | 2011-03-18 | 2013-12-04 | 胡斯华纳有限公司 | Chainsaw with guide bar clamping and chain tensioning assembly |
| CN103429405B (en) * | 2011-03-18 | 2016-09-21 | 胡斯华纳有限公司 | Tensioning sub-component and chain saw |
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Application publication date: 20100623 |