CN202174614U - Chain saw - Google Patents
Chain saw Download PDFInfo
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- CN202174614U CN202174614U CN2010206993706U CN201020699370U CN202174614U CN 202174614 U CN202174614 U CN 202174614U CN 2010206993706 U CN2010206993706 U CN 2010206993706U CN 201020699370 U CN201020699370 U CN 201020699370U CN 202174614 U CN202174614 U CN 202174614U
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- casing
- bounce
- chain
- chain saw
- guard shield
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Abstract
The utility model provides a chain saw, which comprises a casing equipped with an axis along the length direction thereof, a motor arranged inside the casing and equipped with a motor shaft, a sprocket driven by the motor, a guide plate arranged on the casing, a sawing chain arranged on the sprocket and the guide plate, a sawing chain cover plate arranged on the casing, and an anti-rebounding shield equipped with a holding portion and a pivotal axis portion for being installed on the casing. The pivotal axis portion comprises a stretching-in part and a rotation axis is provided by the pivotal axis portion. The anti-rebounding shield can be placed at a first position and a second position. A locking portion is arranged on the anti-rebounding shield. The sawing chain cover plate comprises a cooperating portion. When the anti-rebounding shield is placed at the first position, the locking portion is disengaged from the cooperating portion. When the anti-rebounding shield is placed at the second position, the locking portion is engaged with the cooperating portion. Due to the adoption of the chain saw, an operator is prevented from accidentally removing the chain shield when the saw chain is in a non-secure state. Therefore, operators are prevented from being hurt accidentally and the operation security of the chain saw is greatly improved.
Description
Technical field
The utility model relates to a kind of chain saw.
Background technology
Present existing chain saw has a sawing chain cover plate that is installed on the casing usually, and this cover plate generally is locked on the casing through nut; No matter chain saw is in any state, and this nut can be released, thereby cover plate is separated with casing; If chain saw is in user mode, the nut accident is unclamped, obviously; At this moment cover plate may separate with casing, and this just possibly cause danger.
Summary of the invention
The technical problem that the utility model solves provides a kind of chain saw, has improved the security of chain saw operation greatly.
For solving the problems of the technologies described above, what the utility model provided comprises: it is long to axis that a casing, casing have formation one; A motor that is installed in the casing, motor forms a motor shaft, and one by motor-driven sprocket wheel; A guide plate that is installed on the casing, a sawing chain that is installed on sprocket wheel and the guide plate, a sawing chain cover plate that is installed on the casing; An anti-bounce-back guard shield comprises a grip portions and a pivotal axis part that is used to be installed on the casing, and said pivotal axis partly comprises and stretches into part, and said pivotal axis partly forms a pivot center; Anti-bounce-back guard shield has the primary importance and the second place, and a lock portion is installed on the anti-bounce-back guard shield, and said sawing chain cover plate comprises a mating part; When said anti-bounce-back guard shield during in primary importance; Said lock portion and mating part break away from, when preventing the bounce-back guard shield in the second place, and said lock portion and mating part engagement.Adopt the structure of the utility model, be under the non-safe condition, can prevent that operator's accident from pulling down chain guard, thereby prevent that accident from hurting sb.'s feelings, improved the security of chain saw operation greatly at utensil.
The accompanying drawing and the specific embodiment through hereinafter are described, and other characteristics of the utility model and advantageous effects will obtain describing and be clearer.
Description of drawings
Fig. 1 is the stereogram of chain saw of a first-selected embodiment of the utility model, and the center divides casing to remove;
Fig. 2 is the stereogram of chain saw of the first-selected embodiment of the utility model, the structure of having showed dust outlet box;
Fig. 3 is the stereogram of chain saw of the first-selected embodiment of the utility model, has showed that drifting dust mechanism is positioned at the stereogram that interior is divided;
Fig. 4 is the stereogram of chain saw of the first-selected embodiment of the utility model, has showed that drifting dust mechanism is positioned at the stereogram of casing exterior portions;
Fig. 5 is the flow graph of drifting dust air-flow outside drifting dust mechanism outlet of drifting dust mechanism of chain saw of the first-selected embodiment of the utility model;
Fig. 6 is the air flow direction figure in drifting dust mechanism of chain saw of the first-selected embodiment of the utility model;
Fig. 7 shows an embodiment of the arrangement indicating device of the utility model chain saw, and wherein safety indicating device is positioned at safe indicating positions;
Fig. 8 is that the safety indicating device of chain saw is positioned at non-safe indicating positions among Fig. 7;
Fig. 9 is the installation diagram of the warning indication arm of the safety indicating device of chain saw among Fig. 7;
Figure 10 has shown the stereogram of the safety indicating device among Fig. 7 with the assembly relation of anti-bounce-back guard shield;
Figure 11 is the stereogram that the chain guard of the utility model chain saw is in the off-position;
Figure 12 is the stereogram that the chain guard of the utility model chain saw is in locked position;
Figure 13 is the stereogram of assembly relation of locking device that has shown safety indicating device and the sawing chain guard of the utility model chain saw;
Figure 14 shows the stereogram of the safety guard of the utility model chain saw;
Figure 15 shows the sawing indicating area of the guide plate of the utility model chain saw;
Figure 16 shows the arrestment mechanism and the intermeshing stereogram of sprocket wheel of the utility model chain saw;
Figure 17 shows the arrestment mechanism of the utility model chain saw and the stereogram that sprocket wheel breaks away from each other.
The specific embodiment
Like Fig. 1,2,3; Shown in 16; The chain saw of a first-selected embodiment of the utility model comprises that 1, one of back handle that 2, one of casings are connected to casing 2 rear ends is fixedly installed on the casing 2 and near the front handlebar 6 of the front end of casing 2; An anti-bounce-back guard shield 4 rotates the front end that is installed to casing 2 first-selectedly, and casing 2 forms the length that handle direction is extended along front and back to axis X.Chain saw also comprises a motor 3 that is installed in the casing 2; Motor 3 has a motor shaft and pivot center Y, (not shown), preferably; Perpendicular to said motor shaft and said pivot center Y, said motor shaft is parallel to said pivot center to said length to axis X.Be installed to along on the output shaft 34 of Y axis direction at a sprocket wheel 10, motor 3 rotates through the transmission mechanism drive sprocket 10 of a connection output shaft 34 and motor shaft, and transmission mechanism can be that planetary gear construction also can be other reduction gear or the like.Long on the direction of axis X on the edge; One guide plate 5 is installed in the place ahead of sprocket wheel 10; And be fixed on the casing 2 through cover plate 7 and nut 8; The week that one sawing chain 11 is installed in sprocket wheel 10 and guide plate 5 makes progress, thereby realizes that the sawing chain can be driven along moving around sprocket wheel and the circumferential motion path Z of guide plate by sprocket wheel.Above structure is known by those of ordinary skill in the art, is not describing in detail at this.
Like Fig. 3,4,5, shown in 6, the chain saw fan 12 of the first-selected embodiment of the utility model is installed on the motor shaft (not shown), and by the motor shaft driven rotary.Fan 12 circumferentially and form a circular passage W between the casing 2.The chain saw of the utility model has an air channel, and the air channel mainly is made up of the inner chamber of a tube-like piece 13 in first-selected embodiment, and tube-like piece 13 can link to each other with casing 2 through the mounting means of knowing, and for example screw, buckle etc. are not described in detail at this.Tube-like piece 13 has one first end 13a and one second end 13b, and the first end 13a extend in the casing 2 and with circular passage W and communicates, and the air-flow of fan formation can flow along the air channel in the tube-like piece like this.The first end 13a of first-selected ground tube-like piece is near fan.On casing 2, be formed with a hole 14, hole 14 preferably is positioned at the below of sawing chain 11, and obviously, hole 14 also can be positioned at the top of sawing chain.The second end 13b of tube-like piece stretches into hole 14 and is positioned at the below of sawing chain.The second end 13b of tube-like piece 13 preferably pass hole 14 on the casing 2 make the wind that blow out from the second end 13b more near the sawing chain certain a bit; In order further to improve drifting dust efficient; The second end 13b of tube-like piece 13 is crooked, makes on direction and the sawing chain of the air-flow that blows out from second end that the tangential direction of certain any motion path Z is consistent.For further will be more air-flows introduce tube-like piece 13, the first end 13a shape preferably one tubaeform.When motor 3 started, 12 rotations of motor 3 drive fan formed air-flow through being rotated in the W of circular passage of fan 12; At least a portion air-flow gets into the first end 13a of tube-like piece 13; Arrow direction in the figure, and blow out from the second end 13b of tube-like piece, and blow to sawing chain 11; Dust on the sawing chain 11 or impurity break away from sawing chain 11 under the blowing of its own inertial and air-flow.In other embodiments; Part or all of air channel also can be formed by the member of casing itself, and for example the member of interior formation air channel is positioned at a casing part, and another part that tube-like piece forms the air channel is installed on this external casing; Or the like, other forms of structure can certainly be arranged.In addition, a dedusting box 9 is installed also on casing, dedusting box 9 can be installed on the casing 2 through screw or other suitable manner.Dedusting box 9 is by 9a; Two parts of 9b are formed and are had an opening 9c; Dedusting box 9 is positioned at the below of sawing chain 11, and the air-flow that blows out from the second end 13b blows to the opening 9c of dust outlet box 9, thereby the dust of the sawing chain 11 that blows off or impurity can get into the opening 9c of dust outlet box 9 and discharge.In addition, dedusting box 9 also can be a part or be made up of a plurality of parts.Dedusting box 9 also can be replaced by dust bag or dust-collecting box, and dust bag or dust-collecting box are installed on the casing, forms an opening on dust bag or the dust-collecting box, and the wind that second end in air channel blows out is to the opening of dust bag or dust-collecting box.
Fig. 7,8,9,10 have shown an embodiment of the safety indicating device of the utility model chain saw.Shown in figure 10; The anti-bounce-back guard shield 4 that is rotatably installed in casing 2 front ends comprises grip portions 4a, pivotal axis part 4b, and pivotal axis part 4b has a pivot center O; Pivot center O is parallel to the Y axis and perpendicular to growing to axis X, pivotal axis part 4b comprises a mounting portion 4e and and stretches into part.Stretch into partly to comprise and stretch into main body 4c, indication arm 4d; An indication arm 4d comprises a body part 4d1 and a safe indicating section 4d2, and safe indicating section 4d2 becomes a U-shaped bending and forms a cavity, when safety guard during in primary importance; Said warning indication arm is positioned at said cavity; Body part 4d1 becomes a hollow cylinder, can indication arm 4d be press fit into through this hollow cylinder and stretch on the main body 4c, indicates arm 4d also can be installed to through other mode of knowing in addition and stretches on the main body 4c; Like welding, grafting etc., indicate the arm 4d also can be certainly with to stretch into main body 4c integrally formed.Like Fig. 1; Shown in 7,8, anti-bounce-back guard shield 4 is installed on the casing 2 through the mounting portion 4e rotation of pivotal axis part 4b; Stretch into part and be positioned at interior, anti-bounce-back guard shield 4 can rotate between home shown in Figure 7 and non-home shown in Figure 8 with respect to casing 2.The chain saw of the utility model comprises one and is connected to the arrestment mechanism that stretches into part; This arrestment mechanism is driven by anti-bounce-back guard shield 4; When anti-bounce-back guard shield 4 rotates to primary importance (home) around pivot center O (like Fig. 7); Arrestment mechanism and sprocket wheel interact, and sprocket wheel 10 this moments can not be by the output shaft driven rotary; When anti-bounce-back guard shield 4 rotates to the second place (non-home) around pivot center O (like Fig. 8), arrestment mechanism and sprocket wheel 10 are thrown off each other, thereby sprocket wheel can be along with the output shaft motion under the driving of motor.Like Figure 16,17 have shown an embodiment of this arrestment mechanism, comprise 30, one brake arms 31 of a pusher arm.One end of pusher arm 30 is fixedly mounted on and stretches on the main body 4c; The other end has an arch section 30a; Be formed with an installing hole 31b on the brake arm 31; Through installing hole 31b, brake arm 31 can be installed on the turning cylinder 32 that is fixedly mounted on the casing, and brake arm 33 can be around turning cylinder 32 rotations under the effect of back-moving spring 33 when having external force between brake arm 33 and the casing thereby a back-moving spring 33 is contained in.Brake arm 31 also comprises a receiving slit 31a, an inclined-plane 31c, a brake tooth 31d.Pusher arm 30 have an arch section 30a that can cooperate with receiving slit 31a.One spragging gear 35 is slidably mounted on the output shaft 34 along the Y axis direction, and a spring 36 is installed between spragging gear 35 and the sprocket wheel 10 (not showing among Figure 16,17).Spragging gear 35 comprises a brake tooth 35a and a clutch tooth 35b.Transmission mechanism also comprises a gear 37, gear 37 comprise one can with the clutch tooth 37a of clutch tooth 35b engagement.When anti-bounce-back guard shield 4 promotes forward and is positioned at primary importance; The arch section 30a of pusher arm 30 breaks away from the receiving slit 31a of brake arm 31 under the drive of stretching into main body 4c; This moment, brake arm 31 rotated under the effect of spring 33; The spring force that the inclined-plane 31c of brake arm 31 overcomes spring 36 promotes spragging gear 35 towards sprocket wheel 10 slips, thereby clutch tooth 35b and clutch tooth 37a break away from, the brake tooth 31d of brake arm 31 and brake tooth 35a engagement simultaneously; Even this moment, the drive motors running can not drive the sprocket wheel rotation yet again, thereby utensil is in a safe condition down; When the operator promotes anti-bounce-back guard shield 4 to the second place; The arch section 30a of pusher arm 30 discharges spragging gear 35 at the inclined-plane 31c that the back stretch of receiving slit 31a that gets into brake arm 31 under the drive of stretching into main body 4c and spring 33 makes brake arm 31 turn to brake arm 31 around turning cylinder 32 to make under the restoring force effect of spragging gear 35 at spring 36 to slide along the Y axis direction away from sprocket wheel 10 and meshes until clutch tooth 35b and clutch tooth 37a; And the brake tooth 31d of brake arm 31 and brake tooth 35a break away from; This moment, but utensil was in duty, under the promptly non-safe condition.On the casing of the safe indicating section 4d2 position correspondence of indication arm 4d an observation panel 18a is arranged.As shown in Figure 7, when anti-bounce-back guard shield 4 was in primary importance, utensil was in a safe condition; The safe indicating section 4d2 of indication arm 4d aligns with observation panel 18a, and through observation panel 18a, the operator can observe safe indicating section 4d2; Thereby safe indicating section 4d2 can be in a safe condition down by prompting operation person's utensil, and in addition, safe indicating section 4d2 preferably comprises safety indication literal or figure; Like printed words such as " safety ", can give the operator like this and more directly point out.Observation panel can be a through hole, also can be a transparent part.Inner in order to prevent that impurity such as dust from getting into utensil in addition, observation panel 18a place preferably is equipped with dismountable transparent unit, and transparent unit covers observation panel, and transparent unit can be that transparent plastic or other material transparent constitute.As shown in Figure 8; When the second place shown in anti-bounce-back guard shield 4 is positioned at; Utensil is in non-safe condition, and the observation panel 18a that the safe indicating section 4d2 position of indication arm 4d and casing place form staggers, thereby the operator can not observe the safe indicating section 4d2 of safety indication arm 4d.As shown in Figure 9; In order better to be implemented in prompting user under the non-safe condition; Inside at casing 2 is provided with the indication arm mounting bracket 17 of reporting to the police near observation panel 18a place; The indication arm 16 of reporting to the police is fixed on this mounting bracket 17, thereby the indication arm 16 of reporting to the police is positioned at observation panel 18a below and aligns with it.When anti-bounce-back safety guard 4 is positioned at primary importance; The safe indicating section 4d2 of indication arm 4d is between observation panel 18a and warning indication arm 16; Promptly cover the indication arm 16 of reporting to the police; The indication arm 16 of reporting to the police is positioned at the cavity of the safe indicating section of safety indication arm, and the operator can observe safe indicating section 4d2; When anti-bounce-back guard shield 4 was positioned at the second place, the safe indicating section 4d2 of indication arm 4d left said warning indication arm 16, promptly staggers with observation panel 18a, and the operator can observe the indication arm 16 of reporting to the police, thereby prompting operation person's utensil this moment is in non-safe condition.The same indication arm 16 of reporting to the police can have a warning indicating section that includes report to the police indication literal or figure.Through said structure, the security of utensil improves greatly.
Like Figure 11, shown in 12,13, shown the retaining mechanism of the chain guard of the utility model.The part that stretches into of the anti-bounce-back guard shield 4 of the utility model chain saw also comprises a lock portion 19; Lock portion 19 stretches out casing 2; In the diagram; Lock portion 19 with stretch into part to stretch into main body 4c directly integrally formed, can certainly through screw thread or other suitable manner with stretch into the main body 4c that stretches into partly and be connected.One sawing chain guard 7 is installed on the casing 2 through nut 8; Sawing chain guard 7 comprises upper cover plate 7a; Be formed with a mating part on the upper cover plate 7a, mating part is a L type groove 20 here, L type groove 20 comprise one along be parallel to long transverse groove 20a and to the axis X bearing of trend perpendicular to long to axis X bearing of trend and the cannelure 20b that extends towards casing; Lock portion 19 comprises a locking main body 19a and a locking pin 19b; Locking main body 19a preferably becomes column type, and locking pin 19b is installed on the locking main body 19a, and stretches out along the radial direction of locking main body 19a.Lock portion 19 can only comprise locking pin 19b in addition, and locking pin 19b directly is installed to or is formed at the main body 4c that stretches into that stretches into part and goes up like Figure 11, and shown in 12, lock portion 19 stretches out casing 2, and locking pin 19b stretches into the L type groove on the guard shield 7.When anti-bounce-back guard shield 4 was positioned at primary importance, like Figure 11, locking pin 19b was positioned at the cannelure 20b of L type groove 20, and locking pin 19b and L type groove 20 break away from, and this moment, the operator can pull down chain guard 7 through rotation nut 8; When anti-bounce-back guard shield 4 rotated to the second place, locking pin 19b rotated to around pivot center O in the transverse groove 20b of L type groove 20, locking pin 19b and 20 engagements of L type groove, and stop the operator to pull down chain guard 7 this moment.Like this, be under the non-safe condition, can prevent that operator's accident from pulling down chain guard 7, thereby prevent that accident from hurting sb.'s feelings at utensil.In addition, grip portions also can directly comprise lock portion, and lock portion directly is installed to the grip portions 4b of anti-bounce-back guard shield 4 through screw thread.Locking pin on the lock portion also can be replaced by L type groove, and the L type groove on the chain guard 7 can be replaced by locking pin, and like this, lock portion is a L type groove, and mating part is locking pin or the like.Through said structure, the security of utensil improves greatly.
Like Figure 14, shown the safety guard mechanism of the utility model.Guide plate 5 has front-end and back-end, and the rear end of guide plate 5 is positioned at the place ahead of sprocket wheel 10, and through nut 8 and chain guard 7 guide plate 5 is fixedly installed on the casing 2.A tip shroud 21 comprises a coupling part 21a and a shield portions 21b; Coupling part 21a through fixing tip shroud 21 is to the front end of guide plate 5; Tip shroud 21 is fixedly installed on the guide plate 5; The shield portions 21b of tip shroud 21 covers the front end of sawing chain 11, thereby can prevent that the operator from touching the fore-end of sawing chain 11.A dish-type guard shield 22 comprises a coupling part 22a and a shield portions 22b; The rear end of coupling part 22a forms a waist type groove 23; One screw 24 passes this waist type groove 23 dish-type guard shield 22 is fixed on the casing 2, and dish-type guard shield 22 is positioned at the top of guide plate 5, thereby the shield portions 22b of dish-type guard shield 22 will cover the chain institute exposed portions on the guide plate 5; Thereby can prevent that when utensil rebounded, the operator touched sawing chain 11.In order better dish-type guard shield 22 to be supported, the front end of coupling part 22a also can be fixed on the tip shroud 21 with the fixed form rear end through similar in addition.Through waist type groove 23, the user can be along long to axis X direction removable guide 5, thereby realizes the tensioning of chain is regulated.Through said structure, the security of utensil improves greatly.
Like Figure 14, shown the embodiment of sawing indicating area of the guide plate of the utility model chain saw.The motor 3 of the chain saw of the utility model drives sawing chain 11 and upwards rotatablely moves in the week of guide plate 5, thereby can carry out cutting operation to the workpiece that is positioned at guide plate 5 belows.For the below of pointing out user's guide plate 5 is the sawing zone; Thereby let the operator take care, at guide plate 5 sawing indicating area 5a of part formation near the working region, sawing indicating area 5a can be identified by literal; Like " cut-zone " or printed words such as " sawing zones "; Perhaps practical figure constitutes like hacures, perhaps also can have the coating that has color to identify this sawing indicating area.Through said structure, the security of utensil improves greatly.
Only be wherein several kinds of specific embodiment of the utility model shown in the description of preceding text and the accompanying drawing, it is main with claims that the utility model requires the scope of protection.Through the understanding to preceding text description and accompanying drawing, those of ordinary skill in the art is through same mode, and perhaps with the form through simple replacement, non-creativeness ground is simply replaced partial component and is regarded as in the scope of the utility model protection.
Claims (17)
1. chain saw comprises: a casing, casing have form one long to axis; A motor that is installed in the casing, motor forms a motor shaft, and one by motor-driven sprocket wheel; A guide plate that is installed on the casing, a sawing chain that is installed on sprocket wheel and the guide plate, a sawing chain cover plate that is installed on the casing; An anti-bounce-back guard shield comprises a grip portions and a pivotal axis part that is used to be installed on the casing, and said pivotal axis partly comprises and stretches into part, and said pivotal axis partly forms a pivot center; Anti-bounce-back guard shield has the primary importance and the second place, it is characterized in that, a lock portion is installed on the anti-bounce-back guard shield; Said sawing chain cover plate comprises a mating part, and when said anti-bounce-back guard shield during in primary importance, said lock portion and mating part break away from; When preventing the bounce-back guard shield in the second place, said lock portion and mating part engagement.
2. chain saw as claimed in claim 1 is characterized in that: said chain saw also comprises one and is connected to the arrestment mechanism that stretches into part, and when said anti-bounce-back guard shield was positioned at primary importance, said arrestment mechanism and said sprocket wheel interacted; When said anti-bounce-back guard shield was positioned at the second place, said arrestment mechanism and said sprocket wheel were thrown off each other.
3. chain saw as claimed in claim 1 is characterized in that: in said motor shaft and said pivot center, said motor shaft is parallel to said pivot center to said length to axis normal.
4. chain saw as claimed in claim 3 is characterized in that: the said part that stretches into comprises said lock portion, and said lock portion stretches out said casing.
5. chain saw as claimed in claim 3 is characterized in that: said grip portions comprises said lock portion.
6. chain saw as claimed in claim 4 is characterized in that: said lock portion is installed to the said part that stretches into through screw thread.
7. chain saw as claimed in claim 5 is characterized in that: said lock portion is installed to said grip portions through screw thread.
8. like claim 4 or 5 described chain saws; It is characterized in that: said lock portion comprises a locking pin; Said mating part comprises a L type groove; Said L type groove comprise one along be parallel to said length to the transverse groove of axis bearing of trend and one perpendicular to the cannelure of said length to the axis bearing of trend, when anti-bounce-back guard shield was positioned at primary importance, locking pin was positioned at cannelure; When anti-bounce-back guard shield was positioned at the second place, locking pin was positioned at transverse groove.
9. like claim 4 or 5 described chain saws, it is characterized in that: said lock portion is a L type groove, and said mating part is a locking pin.
10. chain saw as claimed in claim 1; It is characterized in that: the said part that stretches into comprises an indication arm, and said indication arm comprises an indicating section, forms an observation panel on the said casing; When preventing the bounce-back guard shield in primary importance; Said indication arm indicating section aligns with said observation panel, and when preventing the bounce-back guard shield in the second place, said indication arm indicating section and said observation panel stagger.
11. chain saw as claimed in claim 1 is characterized in that: said chain saw also comprises one and is connected to the arrestment mechanism that stretches into part, and when said anti-bounce-back guard shield was positioned at primary importance, said arrestment mechanism and said sprocket wheel interacted; When said anti-bounce-back guard shield was positioned at the second place, said arrestment mechanism and said sprocket wheel were thrown off each other.
12. like claim 10 or 11 described chain saws, it is characterized in that: said observation panel place is equipped with a transparent unit, and said transparent unit covers said observation panel.
13. chain saw as claimed in claim 12 is characterized in that: the dismountable said observation panel place that is installed to of said transparent unit.
14. like claim 10 or 11 described chain saws, it is characterized in that: said indication arm comprises a safe indicating section.
15. chain saw as claimed in claim 14; It is characterized in that: the indication arm of reporting to the police is installed in the said casing; Said warning indication arm comprises the warning indicating section; Said warning indication arm aligns with said observation panel, and when preventing the bounce-back guard shield in primary importance, said safe indicating section is between said observation panel and warning indication arm.
16. chain saw as claimed in claim 15 is characterized in that: the safe indicating section of said safety indication arm is formed with a cavity, and when safety guard during in primary importance, said warning indication arm is positioned at said cavity.
17. like claim 10 or 11 described chain saws, it is characterized in that: said indication arm comprises a hollow cylinder, stretches into partly also to comprise and stretches into main body, said indication arm is press fit into said stretching on the main body through hollow cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206993706U CN202174614U (en) | 2010-08-27 | 2010-12-28 | Chain saw |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010264667 | 2010-08-27 | ||
| CN201010264667.4 | 2010-08-27 | ||
| CN2010206993706U CN202174614U (en) | 2010-08-27 | 2010-12-28 | Chain saw |
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| CN202174614U true CN202174614U (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010624725.XA Expired - Fee Related CN102380894B (en) | 2010-08-27 | 2010-12-28 | Chain saw |
| CN2010206993922U Expired - Lifetime CN202088251U (en) | 2010-08-27 | 2010-12-28 | Chain saw |
| CN2010206994056U Expired - Fee Related CN202088253U (en) | 2010-08-27 | 2010-12-28 | Chain saw |
| CN2010206993706U Expired - Lifetime CN202174614U (en) | 2010-08-27 | 2010-12-28 | Chain saw |
| CN2010206993941U Expired - Lifetime CN202088252U (en) | 2010-08-27 | 2010-12-28 | Chain saw |
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| CN201010624725.XA Expired - Fee Related CN102380894B (en) | 2010-08-27 | 2010-12-28 | Chain saw |
| CN2010206993922U Expired - Lifetime CN202088251U (en) | 2010-08-27 | 2010-12-28 | Chain saw |
| CN2010206994056U Expired - Fee Related CN202088253U (en) | 2010-08-27 | 2010-12-28 | Chain saw |
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| CN2010206993941U Expired - Lifetime CN202088252U (en) | 2010-08-27 | 2010-12-28 | Chain saw |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102380894A (en) * | 2010-08-27 | 2012-03-21 | 泉峰(中国)贸易有限公司 | Chain saw |
| CN110640843A (en) * | 2019-10-18 | 2020-01-03 | 常州格力博有限公司 | Chain saw |
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| CN102380662B (en) * | 2010-08-27 | 2013-09-04 | 泉峰(中国)贸易有限公司 | Chain saw |
| CN102380663B (en) * | 2010-08-27 | 2013-11-06 | 泉峰(中国)贸易有限公司 | Chain saw |
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| CN103648737B (en) * | 2012-02-15 | 2016-07-06 | 胡斯华纳有限公司 | Brake assemblies for the hand-held cutter sweep of power drive |
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| CN110405950A (en) * | 2019-08-07 | 2019-11-05 | 周美 | Both hands saw |
| CN112428352B (en) * | 2020-11-20 | 2021-11-05 | 永康市南征工贸股份有限公司 | Prevent chain rupture and hinder electronic chain saw of people |
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| US3435860A (en) * | 1966-11-18 | 1969-04-01 | Omark Industries Inc | Top sharpening,floating sprocket chain saw |
| US4121339A (en) * | 1977-08-10 | 1978-10-24 | Milovan Nikolich | Safety brake mechanism for chain saws |
| US5822864A (en) * | 1996-05-31 | 1998-10-20 | Black & Decker, Inc. | Viewing window for circular saw guard |
| US7434502B2 (en) * | 2004-07-21 | 2008-10-14 | Husqvarna Outdoor Products Inc. | Bar knob with cam-operated locking mechanism |
| GB0515884D0 (en) * | 2005-08-02 | 2005-09-07 | Bosch Gmbh Robert | Improvements in or relating to chainsaws |
| CN201016369Y (en) * | 2006-12-28 | 2008-02-06 | 陈勇 | Electric tool clutch |
| CN201399805Y (en) * | 2009-03-27 | 2010-02-10 | 浙江博大电器有限公司 | Portable electric chainsaw |
| CN201524843U (en) * | 2009-09-26 | 2010-07-14 | 永康市中坚工具制造有限公司 | Chain tensioning and locking device of chain saw |
| CN102380894B (en) * | 2010-08-27 | 2014-07-02 | 泉峰(中国)贸易有限公司 | Chain saw |
-
2010
- 2010-12-28 CN CN201010624725.XA patent/CN102380894B/en not_active Expired - Fee Related
- 2010-12-28 CN CN2010206993922U patent/CN202088251U/en not_active Expired - Lifetime
- 2010-12-28 CN CN2010206994056U patent/CN202088253U/en not_active Expired - Fee Related
- 2010-12-28 CN CN2010206993706U patent/CN202174614U/en not_active Expired - Lifetime
- 2010-12-28 CN CN2010206993941U patent/CN202088252U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380894A (en) * | 2010-08-27 | 2012-03-21 | 泉峰(中国)贸易有限公司 | Chain saw |
| CN102380894B (en) * | 2010-08-27 | 2014-07-02 | 泉峰(中国)贸易有限公司 | Chain saw |
| CN110640843A (en) * | 2019-10-18 | 2020-01-03 | 常州格力博有限公司 | Chain saw |
| CN112352651A (en) * | 2020-11-20 | 2021-02-12 | 永康市南征工贸股份有限公司 | Adjustable prevents accidental injury people's electric chain saw |
| CN112352651B (en) * | 2020-11-20 | 2022-01-07 | 永康市南征工贸股份有限公司 | Adjustable prevents accidental injury people's electric chain saw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102380894B (en) | 2014-07-02 |
| CN202088253U (en) | 2011-12-28 |
| CN202088251U (en) | 2011-12-28 |
| CN102380894A (en) | 2012-03-21 |
| CN202088252U (en) | 2011-12-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120328 Effective date of abandoning: 20140702 |
|
| RGAV | Abandon patent right to avoid regrant |