JPH10128619A - Chain saw grinding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To bring a grinding wheel into contact with a cutting edge while a grinder is supported in a fixed position by providing a support means for supporting the grinder on the leg part in such a manner as to be moved in the horizontal direction and in the vertical direction to bring a grinding wheel of the grinder into contact with the edge of a chain saw. SOLUTION: A support means 30 comprises a curved arm 35 installed on a leg part 24 in such a manner as to turn on a pin 31 in the horizontal plane, and a holder 36 fixed to the tip of the arm 35 to hold a grinder 26. The support means 30 is turned on the pin 31, the grinder 26 is pushed downward, and the grinder 26 is moved in the horizontal direction and in the vertical direction to brin a grinding wheel 28 of the grinder 26 into the edge of a chain saw 16. The tip of the arm 35 is provided with an engagement member 40, and a metal fitting 42 where the engagement member 40 is engaged is provided on the upper part of the leg part 24. Under such a condition, the edge is ground.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chain saw grinding apparatus for grinding a chain saw blade provided in a chain saw.

[0002]

2. Description of the Related Art Conventionally, a chain saw (chain saw device) has been used for cutting wood and the like. As shown in FIG. 15, this chainsaw rotates a chainsaw 3 provided around the guide plate 2 of the chainsaw 1 around the guide plate 2 by driving the driving means 4 so that the chainsaw 3 is made of wood or the like. That can be cut. The chain saw 3 is shown in FIG.
The blade 5a has a clearance angle in the left direction with respect to the rotation direction of the chain saw 3, and a blade 5b has a clearance angle in the right direction with respect to the rotation direction.

In order to use such a chain saw 3 many times without discarding it after use, the blades 5a and 5b are ground. In this grinding operation, for example, as shown in FIG. 15, the grindstone 9 is
Or, it is performed by pressing against 5b.

[0004]

However, the blade 5 of the chain saw 3
Since a or 5b is small, it is difficult to press the grinder 8 with the hand 7. Therefore, when the grinder 8 is pressed with the hand 7 to perform a grinding operation, the grindstone 9 of the grinder 8 may come off the blade 5a or 5b, and the hand 7 may hit the blade 5a or 5b, which is dangerous. there were. Further, a large force is required to press the grinder 8, and the hand 7 is accompanied by fatigue. In addition, when the grinder 8 is pressed with the hand 7, it is difficult to hold the grinder 8 in contact with a fixed position of the blade 5a or 5b, and it is difficult to grind with high accuracy.

The inventor of the present invention has intensively studied to solve such a problem, and has reached the present invention.

[0006]

SUMMARY OF THE INVENTION The gist of the present invention is a device for grinding a chain saw blade rotatably provided around a guide plate of the chain saw device. A leg fixed to the guide plate and supporting the guide plate while standing on a fixed surface on which the chain saw device is placed, and a grinder is moved substantially horizontally and vertically to remove the grindstone of the grinder. And supporting means for supporting on the legs so as to be able to contact the blade of the chain saw.

[0007] In such a chain saw grinding apparatus of the present invention, first, a grinder is attached to the support means and fixed by screws or the like. Next, a grinder is fixed to a guide plate 14 of a chainsaw placed on a desk or the like with screws or the like. By fixing the legs to the guide plate, the legs stand on a desk or the like, and the chainsaw is supported on the desk by the bottom of the chainsaw and the legs.

Next, the grinder is driven, the grinder is moved substantially horizontally and vertically while being supported by the support means, and the grindstone is brought into contact with the blade of the chain saw. The blade is being ground while the grindstone is in contact with the blade.

Next, when the grinding of one blade is completed, the grinder is moved substantially horizontally or vertically, and the grindstone is separated from the one blade. By rotating the chain saw around the guide plate while the grindstone is separated from one blade, the grindstone is adjusted to be able to contact another blade. Here, the other blade is a blade having a different clearance angle direction from the one blade. Next, the grinder is moved substantially horizontally and vertically, and the grindstone is brought into contact with the other blade of the chain saw. The other blade is being ground while the grinding wheel is in contact with the other blade. As described above, a plurality of blades including one blade and another blade are sequentially ground.

The gist of the chain saw grinding apparatus according to the present invention is as follows. In the chain saw grinding apparatus, there is provided an urging means for applying an urging force to the grinder in a direction away from the chain saw. That is.

The chain saw grinding apparatus of the present invention supports the grinder and applies an urging force in a direction away from the chain saw to the grinder by an arm or the like having elasticity. Because the urging force in the direction away from the chain saw is applied, the grinder is separated from the chain saw by loosening the pressing force against the grinder, while checking the grinding situation while making the whetstone intermittently contact the blade, A grinding operation is performed. Since the grinding operation is performed while checking the state of grinding while the grindstone is intermittently brought into contact with the blade, the blade is not damaged due to excessive grinding. In addition, since the grinding operation is performed while checking the grinding state, the grinding accuracy is improved.

The gist of the chain saw grinding apparatus according to the present invention is as follows. In the chain saw grinding apparatus, a regulating means for stopping the grinder in a state where the grindstone of the grinder is in contact with the blade of the chain saw is provided. Have prepared.

In such a chain saw grinding apparatus of the present invention, the grinder is moved substantially horizontally and vertically, and the grinder is stopped in a state where the grindstone of the grinder is in contact with the blade of the chain saw. For example, when the grinder is rotated and pushed down, the engaging member that rotates integrally with the grinder is engaged with the groove fixed to the leg, and the grindstone of the grinder is chained. The grinder is stopped while being in contact with the saw blade. In this way, the blade is ground while the grindstone is in contact with the blade.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a chain saw grinding device according to the present invention will be described in detail with reference to the drawings.

In FIGS. 1 and 2, reference numeral 10 denotes a chain saw grinding apparatus according to the present invention. This chain saw grinding device 10
This is a device for grinding the blade 18a or 18b of the chainsaw 16 rotatably provided around the guide plate 14 of the chainsaw 12, and stands on a desk (constant surface) 22 on which the chainsaw (chainsaw) 12 is placed. A leg 24 fixed to the guide plate 14 and supporting the guide plate 14, and a grinder 26
Is moved in the horizontal direction and the vertical direction, and the grinder 2 is moved.
6 is provided with support means 30 for supporting the grinding wheel 28 on the leg 24 so as to be able to contact the blade 18 a or 18 b of the chain saw 16.

As shown in FIG. 2, the leg portion 24 is provided with holes 32 on the front and back sides thereof.
4, the screw 34 is pressed against the guide plate 14 and can be fixed to the guide plate 14. Also, the legs 24
Is bent so that it can be stably stood on the desk 22. In the present embodiment, no means is provided for fixing the lower end of the leg 24 to the desk 22.

The support means 30 is provided with a pin 3 in a horizontal plane.
1. A curved arm 35 mounted on the leg 24 so as to be rotatable around 1. A holder 36 fixed to the end of the arm 35 and holding the grinder 26
It is comprised including. The arm 35 is made of an elastic member, and can push down the grinder 26 against the urging force of the arm 35. That is, the arm 35 serves as an urging unit that applies an urging force to the grinder 26 in a direction away from the chain saw 16. Therefore, the support means 3
0 can be rotated around the pin 31 and the grinder 26 can be pushed down, and the grinder 26 is moved substantially horizontally and vertically so that the grindstone 28 of the grinder 26 is 18
a or 18b. Here, the material of the arm 35 is not particularly limited as long as it has elasticity, such as metal or resin. A lever 38 is provided on the top of the holder 36, and the grinder 26 can be pushed down by pushing down the lever 38 by hand.

The distal end of the arm 35 has an engaging member 4
0 is provided, and a fitting 42 with which the engaging member 40 is engaged is provided on the upper portion of the leg portion 24. As shown in FIG. 2, the engaging portion 44 of the metal fitting 42 is provided with two grooves 46 a and 46 b, and by engaging the engaging member 40 with one of the grooves 46, the grinder is formed. 26 grindstone 28 with chain saw blade 18a or 18b
The arm 35 can be stopped by rotating the arm 35 by a certain angle so that the arm 35 comes into contact. That is, the regulating means 48 is constituted by the engaging member 40 and the metal fitting 42.

In such a chain saw grinding apparatus 10, first, the grinder 26 is attached to the holder 36, and the screw 3
7 for fastening. Next, the guide plate 14 of the chainsaw 12 placed on the desk 22 is passed through the hole 32 of the leg 24 from the grindstone 28 side of the grinder 26, and the screw 34 is tightened and fixed to the guide plate 14. When the leg 24 is fixed to the guide plate 14, the leg 24 stands on the desk 22, and the chain saw 12 is supported on the desk 22 by the bottom 49 and the leg 24 of the chain saw 12. Becomes

Next, the grinder 26 is driven,
The lever 38 is held by hand, pivoted clockwise about the pin 31 and pushed down. Lever 38
Is rotated clockwise around the pin 31 and pushed down, so that the engagement member 40 is
Is engaged. Note that the clockwise rotation angle is 35 degrees with respect to the chain saw 16 because the clearance angle of the blade 18a is 35 degrees. When the engaging member 40 is engaged with the groove 46a, as shown in FIG.
The blade 18a. Here, by rotating the chain saw 16 around the guide plate 14, the grindstone 28 is adjusted so as to contact the blade 18a. In this way, with the grinding stone 28 in contact with the blade 18a, the blade 18
a is being ground.

Next, when the grinding of one blade 18a is completed,
When the hand is released from the lever 38, the arm 35 is released.
Is elastically restored, and the grinder 26 is
It is pushed up by the urging force of 5. Grinder 26
Is pushed up, the engaging member 40 is moved into the groove 46a.
Is released from. By rotating the chain saw 16 around the guide plate 14 in a state where the engaging member 40 is released from the groove 46a, the grindstone 28 is adjusted so as to be able to contact the blade 18b. Next, the lever 38 is
Is rotated counterclockwise around and is pushed down, whereby the engaging member 40 is engaged with the groove 46b. Note that the counterclockwise rotation angle is 35 degrees with respect to the chain saw 16 because the clearance angle of the blade 18a is 35 degrees. When the engaging member 40 is engaged with the groove 46b,
As shown in FIG. 4B, the grindstone 28 is
b. Thus, the blade 18b is ground while the grindstone 28 is in contact with the blade 18b. As described above, the blades 18a and 18b are sequentially ground.

According to such a chain saw grinding device 10, the grinder 26 is moved in the horizontal direction by rotating the grinder 26 around the pin 31, or is pushed down against the urging force of the arm 35, so that the grinder 26 is Chain saw 1
6 blade 18a or 18b. Therefore, unlike the case where the grinder 26 is held by hand and pressed against the blade 18a or 18b, the grindstone 28 can be easily brought into contact with the blade 18a or 18b. Further, since the grinder 26 is supported by the arm 35, the grinder 26 is held by hand and the blade 18a or 18
Unlike the case of pressing against the b, the hand holding the grinder 26 does not come off the blade 18a or 18b and hit the grindstone. Therefore, the grinding operation can be performed safely.

Further, according to the chain saw grinding apparatus 10 of the present invention, the grindstone 28 is brought into contact with the blade 18a or 18b while the grinder 26 is supported by the arm 35, so that the grinder 26 is held by hand and the blade 18a or 18b is held. Unlike in the case where the grinding wheel 28 is pressed, the force for bringing the grindstone 28 into contact with the blade 18a or 18b can be reduced. Therefore, hand fatigue is reduced, and the grinding operation is facilitated. Further, while supporting the grinder 26 by the arm 35, the grindstone 28 is
8a or 18b by hand, grinder 2
Unlike the case where the grinding wheel 26 is held and pressed against the blade 18a or 18b, the grindstone 28 can be brought into contact with the blade 18a or 18b while supporting the grinder 26 at a fixed position.
For this reason, the grinding accuracy of the blade 18a or 18b can be improved.

Further, according to the chain saw grinding apparatus 10 of the present invention, the chain saw 12 and the like can be supported by the bottom 49 of the chain saw 12 and the legs 24 of the chain saw grinding apparatus 10 during the grinding operation. Therefore, unlike the case where the grinder 26 is held by hand and pressed against the blade 18a or 18b, the chainsaw 12 is not moved during the grinding operation, and the accuracy and safety of the grinding operation can be improved.

Further, according to the chain saw grinding device 10 of the present invention, the blade 1 is rotated while rotating the chain saw 16 around the guide plate 14.
8a or 18b can be sequentially ground. For this reason, even if the length of the chain saw 16 is extended by using the chain saw 16, the chain saw 16 is rotated around the guide plate 14, and the grindstone 28 is moved to the blade 18a or 18b. Can be contacted.

Further, according to the chain saw grinding apparatus 10 of the present invention, the grinder 2 is provided by the arm 35 having elasticity.
6, an urging force in a direction away from the chain saw 16 can be applied. For this reason, since the grinder 26 is separated from the chain saw 16 by loosening the hand holding the lever 38, the grinding operation is performed while checking the grinding situation while intermittently bringing the grindstone 28 into contact with the blade 18a or 18b. The blade 18a or 1
8b is not damaged. In addition, since the grinding operation can be performed while checking the grinding situation, the grinding accuracy can be improved.

Further, according to the chain saw grinding apparatus 10 of the present invention, by engaging the engaging member 40 of the regulating means 48 with the groove 46, the angle for rotating the grinder 26 around the pin 31 can be fixed. And the grinder 26
The grinder 26 can be stopped in a state where the grindstone 28 is in contact with the blade 18a or 18b of the chain saw 16. For this reason, the grinding wheel 28 can be stopped in a state where the grinding stone 28 is securely contacted with the blade 18a or 18b, and the grinding accuracy can be improved. A blade 18a having a clearance angle in the left direction with respect to the rotation direction of the chain saw 16 while sequentially engaging the engagement member 40 with the groove 46a or 46b, and a clearance angle in the right direction with respect to the rotation direction. Can be sequentially ground with the blade 18b having the following. For this reason, even a chain saw provided with blades having different relief angles can easily grind the blades sequentially.

Although the embodiment of the present invention has been described above, the disk blade grinding apparatus according to the present invention can be implemented in other embodiments.

For example, the chain saw grinding apparatus 10 of the present invention may include a chain saw rotating means 50 as shown in FIG. The chain saw rotating means 50 includes a roller 52 that contacts the chain saw 16 and a pin 54 that rotatably attaches the roller 52 to the leg 24. According to such a chain saw rotating means 50, the chain saw 16 can be sequentially rotated around the guide plate 14 by rotating the roller 52. Therefore, when the grinding of one blade is completed and the next blade is ground, it is not necessary to rotate the chain saw 16 by hand.

Further, the grinder 26 may be provided with a blade pressing plate 56 as shown in FIG. The blade portion pressing plate 56 can press the blade portion 58 from an obliquely upward direction during grinding. According to such a blade pressing plate 56, by pressing the blade 58, it is possible to prevent the chain saw 16 from rotating counterclockwise due to the resistance force received from the grindstone 28. For this reason, it is possible to prevent the chain saw 16 from rotating counterclockwise and separating from the grindstone 28, and it is possible to improve the working efficiency of the grinding.

In the chain saw grinding apparatus 10 of the present invention, as shown in FIG.
6a and 46b may be configured so that their widths become narrower as going downward. By providing such a groove 46, the engaging member 40 moves toward the center of the metal fitting 42 as the grinder 26 is pressed down. When the engaging member 40 moves toward the center of the metal fitting 42, the grindstone 28 of the grinder 26 comes into contact with the blade 18 of the chain saw 16 more strongly. Therefore, by pushing down the grinder 26 or loosening the force to raise it,
The contact state between the blade and the blade 18 can be adjusted. Also,
Even if the grindstone 28 or the blade 18 is worn to some extent, the grindstone 28 can be reliably brought into contact with the blade 18.

Further, in the chain saw grinding apparatus 10 of the present invention, as shown in FIG. 8, a sliding means 60 for sliding the grinder 26 back and forth may be provided on the leg 24. The sliding means 60 includes a key 62 fixed to the upper part of the leg 24 in the horizontal direction, and a sliding member 64 to which the arm 35 and the metal fitting 42 are attached and which slides along the key 62. . By providing such a sliding means 60, the grindstone 28 can be brought into contact with the chain saw 16 while moving the grinder 26 also in the front-back direction.

In this sliding means 60, as shown in FIG. 9, a screwing member 66 is fixed to a lower portion of the sliding member 64, and a screw rod 68 is screwed into the screwing member 66. A knob 70 capable of rotating the rod 68 by hand may be provided. By providing such a screwing member 66 or the like, the knob 70 is rotated, so that the sliding member 64 can be slid back and forth. Therefore, the grinder 26 can be brought into contact with the chain saw 16 by finely adjusting the grinder 26 in the front-rear direction.

The chain saw grinding apparatus 10 of the present invention may be provided with a support means 72 as shown in FIG.
The supporting means 72 is mounted on a rotating disk 74 rotatably mounted on the leg 24 so as to be rotatable in the horizontal direction, and an arm mounted on the rotating disk 74 rotatable in the vertical direction and to which the holder 36 is fixed. And a spring (biasing means) 78 for applying an upward biasing force to the arm 76. The rotating disk 74 has a projection member 80 fixed to the rotating disk 74 and a stopper 82 for stopping the projection member 80.
Is provided. The angle at which the rotating disk 74 can be rotated in the horizontal direction while being regulated by the regulating means 84 is 35 degrees to both the left and right, and C degrees for the clearance, as shown in FIG. 10B. The grinder 26 is also moved in the horizontal direction and the vertical direction by the supporting means 72 so that the grindstone 28 is moved by the chain saw 16.
Can be ground by contact.

Further, the chain saw grinding apparatus 10 of the present invention may be provided with support means 86 as shown in FIG.
By loosening the screw 94, the support means 86 is provided with a sliding member 92 slidable up and down with respect to the leg 24, and a rotating member mounted on the sliding member 92 so as to be rotatable in a horizontal direction. A disk 88 and an arm 90 for fixing the rotating disk 88 and the holder 36 are provided. Such support means 8
6, by rotating the rotating disk 88 in the horizontal direction and sliding the sliding member 92 up and down,
By moving the grinder 26 in the horizontal direction and the vertical direction, the grindstone 28 can be brought into contact with the chain saw 16 for grinding.

Next, the chain saw grinding apparatus 10 of the present invention may be provided with an arm (biasing means) 96 as shown in FIG. The arm 96 is fixed near the lower part of the leg 24 so that the center of rotation 97 in the vertical plane is located below the grindstone 28 of the grinder 26. The arm 96 is formed of two elastic wire-like members, and can be elastically bent not only vertically but also substantially horizontally. In the present embodiment, no regulating means is provided. According to such an arm 96, since the rotation center 97 is located below the grindstone 28, the grindstone 28 is moved downward as the grinder 26 is pressed downward.
Of the blade 18. Therefore, the grindstone 28 can be easily brought into contact with the blade 18 of the chain saw 16 by pressing the grinder 26 downward.

Further, the chain saw grinding apparatus 10 of the present invention may include an arm (biasing means) 98 as shown in FIG. The arm 98 is made of an elastic member, and extends to the distal end side of the guide plate 14. Even with such an arm 98, the grindstone 28 approaches the blade 18 of the chain saw 16 as the grinder 26 is pressed downward. For this reason, the grinder 26
Is pressed down, the grindstone 28 can be easily brought into contact with the blade 18 of the chain saw 16.

The chain saw grinding apparatus 10 of the present invention may include a chain saw feed unit 100 as shown in FIG. The chain saw feeding means 100 includes a fixing member 102 fixed to the leg portion 24 and an engaging member 106 which is turned around a pin 104 with respect to the fixing member 102. According to the chain saw feeding means 100, the chain saw 16 can be sequentially fed by rotating the engagement member 106 while engaging the chain saw 16. Therefore, it is not necessary to send the chain saw 16 by hand.

Although the embodiments of the present invention have been described with reference to the drawings, the chain saw grinding apparatus of the present invention can be implemented in other embodiments.

For example, a chain saw (chain saw device) and a chain saw using the chain saw grinding device of the present invention are not limited to those described above, and may be other types. Also,
The shape of the leg is not limited to that described above, and any shape may be used as long as it can be fixed to the guide plate while supporting the guide plate while standing on a certain surface. Alternatively, the chainsaw or the legs may be fixed on a desk (a fixed surface) with screws or magnets. Further, the legs may be slidable on a desk (constant surface). Also,
The support means may include a link mechanism, and the link mechanism may move the grinder back and forth. The angle of rotation of the grinder in a substantially horizontal plane is not limited to 35 degrees as described above.
In the case of 5 degrees, the rotation angle is 5 degrees to the left and right with respect to the chain saw.
It is configured to be 5 degrees. Furthermore, when grinding blades having other clearance angles, the angle of rotation of the grinder to the left and right is configured to be substantially the same as the clearance angle.

In addition, the present invention can be embodied in variously modified, modified, and modified forms based on the knowledge of those skilled in the art without departing from the spirit thereof.

[0042]

According to the chain saw grinding apparatus of the present invention, the grinder can be moved substantially horizontally and vertically to bring the grindstone of the grinder into contact with the blade of the chain saw. Therefore, unlike the case where the grinder is held by hand and pressed against the blade, the grindstone can be easily brought into contact with the blade. Further, since the grinder is supported by the supporting means, unlike the case where the grinder is held by hand and pressed against the blade, the grindstone does not come off the blade and the hand holding the grinder does not hit the grindstone. For this reason,
The grinding operation can be performed safely.

Further, according to the chain saw grinding apparatus of the present invention, the grindstone is brought into contact with the blade while the grinder is supported by the supporting means. Less force to contact Therefore, hand fatigue is reduced, and the grinding operation is facilitated. Also, since the grindstone is brought into contact with the blade while the grinder is supported by the supporting means, unlike the case where the grinder is held by hand and pressed against the blade, it is possible to bring the grindstone into contact with the blade while supporting the grinder at a certain position. it can. For this reason, the grinding accuracy of the blade can be improved.

Further, according to the chain saw grinding device of the present invention, during the grinding operation, the chain saw or the like can be supported by the bottom of the chain saw and the legs of the chain saw grinding device. Therefore, unlike the case where the grinder is held by hand and pressed against the blade, the chainsaw is not pushed during the grinding operation, and the accuracy and safety of the grinding operation can be improved.

Further, according to the chain saw grinding apparatus of the present invention, the blade can be sequentially ground while rotating the chain saw around the guide plate. For this reason, even if the length of the chain saw is increased by using the chain saw, the chain saw can be rotated around the guide plate to bring the grindstone into contact with the blade.

According to the chain saw grinding apparatus of the present invention, further comprising an urging means for applying an urging force in a direction away from the chain saw to the grinder, the urging means applies the urging force to the grinder. On the other hand, an urging force in a direction away from the chain saw can be applied. For this reason, the grinder is separated from the chain saw by loosening the hand that holds down the grinder, so that the grinding operation can be performed while checking the grinding condition while intermittently bringing the grindstone into contact with the blade. The blade will not be damaged due to excessive cutting.
In addition, since the grinding operation can be performed while checking the grinding situation, the grinding accuracy can be improved.

According to the chain saw grinding apparatus of the present invention, further comprising a regulating means for stopping the grinder while the grindstone of the grinder is in contact with the blade of the chain saw. The movement can be restricted, and the grinder can be stopped while the grindstone of the grinder is in contact with the blade of the chain saw. For this reason, the grinding wheel can be stopped in a state where the grinding wheel is securely contacted with the blade, and the grinding accuracy can be improved. In addition, a blade having a clearance angle in the left direction with respect to the rotation direction of the chain saw and a blade having a clearance angle in the right direction with respect to the rotation direction can be sequentially ground. For this reason, even a chain saw provided with blades having different relief angles can easily grind the blades sequentially.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a chain saw grinding device according to the present invention.

FIG. 2 is a partially broken front view showing the chain saw grinding device shown in FIG. 1;

FIG. 3 is a partially enlarged side view showing a use state of the chain saw grinding device shown in FIG. 1;

FIG. 4 is a diagram showing a use state of the chain saw grinding device shown in FIG. 1, wherein FIG. 4 (a) is an enlarged plan view showing a state of grinding one blade, and FIG. It is an enlarged plan view showing a state where a blade is ground.

FIG. 5 is a partial side view showing another embodiment of the chain saw grinding device according to the present invention.

FIG. 6 is a partially enlarged side view showing still another embodiment of the chain saw grinding device according to the present invention.

FIG. 7 is a partially enlarged front view showing still another embodiment of the chain saw grinding device according to the present invention.

FIG. 8 is a partial side view showing still another embodiment of the chain saw grinding device according to the present invention.

FIG. 9 is a partial side view showing still another embodiment of the chain saw grinding device according to the present invention.

FIG. 10 is a view showing still another embodiment of the chain saw grinding device according to the present invention, wherein FIG. 10 (a) is a partial side view and FIG. 10 (b) is a partial plan view.

FIG. 11 is a partial side view showing still another embodiment of the chain saw grinding device according to the present invention.

FIG. 12 is a partial side view showing still another embodiment of the chain saw grinding device according to the present invention.

FIG. 13 is a side view showing still another embodiment of the chain saw grinding device according to the present invention.

FIG. 14 is a side view showing still another embodiment of the chain saw grinding device according to the present invention.

FIG. 15 is a side view showing a conventional grinding method.

FIG. 16 is a view showing a chain saw conventionally used, wherein FIG. 16 (a) is a plan view and FIG. 16 (b) is a side view.

[Explanation of symbols]

 Reference Signs List 10: Chain saw grinding device 12; Chain saw 14; Guide plate 16; Chain saw 18a, 18b; Blade 22; Desk (constant surface) 24; Leg 26; Grinder 28; Grinding stone 30, 72, 86; , 98; arm (biasing means) 36; holder 40; engaging member 42; metal fittings 46a, 46b; groove 48; regulating means 49;

[Procedure amendment]

[Submission date] November 27, 1996

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG.

FIG. 2

FIG. 3

FIG. 4

FIG. 5

FIG. 7

FIG. 6

FIG. 8

FIG. 9

FIG. 10

FIG. 11

FIG.

FIG. 13

FIG. 14

FIG. 16

FIG.

Claims (3)

[Claims] An apparatus for grinding a blade of a chain saw rotatably provided around a guide plate of the chain saw device, wherein the guide plate stands on a fixed surface on which the chain saw device is placed. A leg fixed to the support for supporting the guide plate, and a support for supporting the guide plate on the leg so that the grinder can be moved substantially horizontally and vertically so that the grindstone of the grinder can contact the blade of the chain saw. And a chain saw grinding device. 2. The chain saw grinding apparatus according to claim 1, further comprising an urging means for applying an urging force to the grinder in a direction away from the chain saw. 3. The chain saw grinding apparatus according to claim 1, further comprising regulating means for stopping the grinder while the grindstone of the grinder is in contact with the blade of the chain saw.