JP6397793B2 - Chainsaw - Google Patents

Description

  The present invention relates to a chain saw, and in particular, by exchanging the handle, the same chain saw can be converted between a top handle type and a rear handle type, so that workability can be improved according to working environment conditions and operator preference. It is devised so that it can be used as a good chainsaw.

  Work on chainsaws that cut saw trees, wood, etc. by driving a saw chain with saw blades (saw teeth) connected endlessly by the rotation of a prime mover and rotating it at high speed along the outer periphery of the guide bar In this case, a main handle for holding the work machine with the right hand and a sub handle for holding the work machine with the left hand are provided. The main handle is either a top handle type provided above the main body or a rear handle type provided at the rear of the main body in order to suit the size, weight and main application of the chain saw. It is offered as a chainsaw. The sub handle is provided on the left side of the main body at a position slightly ahead of the center of gravity of the chain saw.

  In a rear handle type chainsaw, Patent Document 1 discloses a configuration in which a main handle and a sub handle are integrally formed as one continuous part.

  However, by preparing a top handle type main handle and a rear handle type main handle for the same chain saw body and changing the main handle, either the top handle type chain saw or the rear handle type chain saw is desired. The idea of constructing this type of chainsaw was not found in the prior art.

Japanese Patent No. 2838038

  It is an object of the present invention to provide a chain saw that can be configured as a top handle type or a rear handle type as desired, with an upper handle and a rear handle being prepared as interchangeable attachments as a main handle.

  In order to solve the above-mentioned problems, a chain saw according to the present invention has a chain saw body frame, a prime mover housed in the body frame, prime mover control means for controlling operation of the prime mover, and the body frame. An elongated plate-like guide bar provided to extend forward, a saw chain that is slidably guided along the outer periphery of the guide bar and driven by the power of the prime mover, and an upper handle above the main body frame An upper handle mounting portion provided on the main body frame so that the rear handle is detachably attached, and a rear handle mounting portion provided on the main body frame so that the rear handle is detachably attached to the rear of the main body frame. A chain saw body, and the upper handle is an upper part for operating the prime mover. It includes a handle trigger and an upper handle side trigger information transmitting means for sending out an upper handle trigger information indicating an operation amount of the upper handle trigger, and the rear handle is for operating the prime mover. And a rear handle side trigger information transmitting means for sending out rear handle trigger information representing an operation amount of the rear handle trigger. The main body frame includes the upper handle trigger information. Alternatively, a main body frame-side trigger information transmitting means is provided for receiving the rear handle trigger information and transmitting the received upper handle trigger information or the rear handle trigger information to the prime mover control means, and the prime mover control means includes: Is transmitted by the body frame side trigger information transmitting means. The operation of the prime mover is controlled in accordance with the upper handle trigger information or the rear handle trigger information, and either the upper handle or the rear handle is attached to the chain saw body, and the chain saw is configured. is there. Therefore, according to this chain saw, when the handle that is not attached is prepared, the handle that is attached is removed and, instead, the handle that is provided is attached to the chain saw body. A chain saw can be constructed.

  Further, in the chainsaw according to the present invention, the upper handle side transmission information for the upper handle side trigger information transmission means to transmit the upper handle trigger information indicating the operation amount of the upper handle trigger, and the upper handle side transmission line The upper handle side transmission line joint for transmitting the upper handle trigger information to the main body side is included, and the rear handle side trigger information transmission means transmits the rear handle trigger information indicating the operation amount of the rear handle trigger. And a rear handle side transmission line joint for transmitting rear handle trigger information of the rear handle side transmission line to the main body side, the main body frame side trigger information transmission means Are connected to the upper handle side transmission line joint and the rear handle side transmission line joint. A main body frame side transmission line joint provided at a position of the main body frame, and a main body frame side for transmitting the upper handle trigger information or the rear handle trigger information from the main body frame side transmission line joint to the prime mover control means This is particularly useful when configured to include a transmission line.

  When the prime mover is an electric motor, the information on the operation amount of the upper handle trigger and the rear handle trigger is an electric amount, and the upper handle side transmission line and the rear handle side transmission line are signal lines for transmitting the electric amount, By making the main body frame side transmission line a signal line for transmitting electricity, from the upper handle side signal line or the rear handle side signal line, the upper handle side transmission line joint or the rear handle side transmission line joint and the main body frame The prime mover control means can control the operation of the electric motor in accordance with the amount of electricity transmitted to the main body frame side signal line via the side transmission line joint.

  In addition, when the prime mover is an electric motor, the information on the operation amount of the upper handle trigger and the rear handle trigger is a machine amount, and the upper handle side transmission line and the rear handle side transmission line are members for transmitting the machine amount. By using the main body frame side transmission line as a member for transmitting the mechanical quantity, the upper handle side transmission line joint or the rear handle side transmission line joint and the main body frame side transmission from the upper handle side member or the rear handle side member. The prime mover control means may control the operation of the electric motor in accordance with the machine amount transmitted to the main body frame side member via the wire joint.

  Further, when the prime mover is an internal combustion engine, information on the operation amount of the upper handle trigger and the rear handle trigger is set as an electric quantity, and the signal for transmitting the electric quantity through the upper handle side transmission line and the rear handle side transmission line. By connecting the main body frame side transmission line to the signal line for transmitting electricity, the upper handle side transmission line joint or the rear handle side transmission line joint from the upper handle side signal line or rear handle side signal line. The prime mover control means controls the operation of the internal combustion engine according to the amount of electricity transmitted to the main body frame side signal line via the main body frame side transmission line joint.

  Further, when the prime mover is an internal combustion engine, the information on the operation amount of the upper handle trigger and the rear handle trigger is used as a mechanical amount, and the upper handle side transmission line and the rear handle side transmission line are throttles for transmitting the mechanical amount. By connecting the main body frame side transmission wire to the throttle wire for transmitting the mechanical quantity, the upper handle side transmission wire joint or the rear handle side transmission line joint can be connected to the upper handle side throttle wire or the rear handle side throttle wire. The prime mover control means can control the operation of the internal combustion engine in accordance with the machine amount transmitted to the main body frame side throttle wire via the main body frame side transmission line joint.

  According to the present invention, a top handle type chain saw or a rear handle type chain saw can be configured by changing the main handle using the same chain saw body in the chain saw, and the workability is improved. A chain saw can be provided.

It is a side view which shows the main-body part of the chainsaw by one Embodiment of this invention, and its peripheral part. It is a side view which shows the upper handle of the chainsaw by one Embodiment of this invention. It is a side view which shows the rear handle | steering-wheel of the chainsaw by one Embodiment of this invention. It is a side view at the time of attaching the upper handle shown in FIG. 2 to the main-body part shown in FIG. It is a side view at the time of attaching the back handle shown in FIG. 3 to the main-body part shown in FIG. In the chainsaw by one Embodiment of this invention, it is a diagram which shows the structure of the system by which the action | operation of a motor | power_engine is controlled by operation of a trigger. FIG. 7 is a diagram depicting an example of the control system shown in FIG. 6 more specifically. FIG. 7 is a diagram illustrating another example of the control system shown in FIG. 6 more specifically. FIG. 7 is a diagram more specifically illustrating still another example of the control system shown in FIG. 6. FIG. 7 is a diagram more specifically illustrating still another example of the control system shown in FIG. 6. FIG. 7 is a diagram more specifically illustrating still another example of the control system shown in FIG. 6.

  An embodiment of a chain saw according to the present invention will be described below with reference to the drawings. As shown in FIG. 1, the main body portion of the chain saw according to the embodiment of the present invention accommodates a motor 11 by an electric motor or an internal combustion engine with respect to a main body frame 10 and controls the operation of the motor 11. A prime mover control means 12 is provided, and an elongated plate-like guide bar 13 extending forward of the main body frame 10 is provided, and an outer periphery of the guide bar 13 from a sprocket 15 driven by the prime mover 11. The saw chain 14 stretched so as to be able to go around is driven to go around by the power of the prime mover 11. The main body frame 10 is provided with a sprocket cover 18 so as to cover the front portion of the guide bar 13 and the sprocket 15. Although not shown, when the prime mover 11 is an electric motor, a battery is accommodated in the main body frame 10, and when the prime mover 11 is an internal combustion engine, a fuel tank is attached to the main body frame 10. It has become the composition. Further, the main body frame 10 is provided with a sub handle 19 on the left side of the main body portion at a position slightly ahead of the center of gravity of the chain saw. An emergency stop switch driving piece / front hand guard 40 is provided in front of the sub handle 19.

  2 is a side view showing the upper handle 20 of the chainsaw according to the embodiment of the present invention. The upper handle 20 is detachable from the main body frame 10 of FIG. 1, and is attached from above as shown in FIG. This is for constructing a simple top handle type chain saw. The upper handle 20 includes an upper handle trigger 25 for adjusting the operation of the prime mover 11 by operating with the index finger or middle finger of the right hand when the operator is gripping with the right hand. The upper handle side transmission line 26 for transmitting information on the operation amount of 25 and the upper handle side transmission line joint 27 for transmitting information transmitted through the upper handle side transmission line 26 to the main body side are included.

  On the other hand, as shown in FIGS. 1 and 4, the main body frame 10 is provided with a main body frame side transmission line joint 17 at a position corresponding to the upper handle side transmission line joint 27, and the main body frame side transmission line. A main body frame side transmission line 16 is provided from the joint 17 to the prime mover control means 12 for transmitting information on the operation amount of the upper handle trigger 25. Thus, the prime mover control means 12 controls the operation of the prime mover 11 according to the operation amount information of the upper handle trigger 25 transmitted from the main body frame side transmission line joint 17 through the main body frame side transmission line 16.

  FIG. 3 is a side view showing the rear handle 30 of the chainsaw according to the embodiment of the present invention. The rear handle 30 is detachable from the main body frame 10 of FIG. 1, and is attached from the rear as shown in FIG. It is intended to constitute a simple rear handle type chainsaw. The rear handle 30 includes a rear handle trigger 35 for adjusting the operation of the prime mover 11 by operating with the index finger or middle finger of the right hand when the operator is gripping with the right hand. The rear handle side transmission line 36 for transmitting information on the operation amount of 35 and the rear handle side transmission line joint 37 for transmitting information transmitted through the rear handle side transmission line 36 to the main body side are included.

  On the other hand, as shown in FIGS. 1 and 5, the main body frame 10 has a position corresponding to the rear handle side transmission line joint 37 (in this embodiment, the same position as that corresponding to the upper handle side transmission line joint 27 described above). The main body frame side transmission line joint 17 is provided at the position), and the main body frame side transmission for transmitting the operation amount information of the rear handle trigger 35 from the main body frame side transmission line joint 17 to the prime mover control means 12. Line 16 is provided. Thus, the prime mover control means 12 controls the operation of the prime mover 11 according to the operation amount information of the rear handle trigger 35 transmitted from the main body frame side transmission line joint 17 through the main body frame side transmission line 16.

  FIG. 6 is a diagram schematically showing the configuration of the system in which the operation of the prime mover is controlled by the operation of the trigger described above. That is, in the upper handle 20 or the rear handle 30, information on the operation amount of the upper handle trigger 25 or the rear handle trigger 35 is transmitted through the upper handle side transmission line 26 or the rear handle side transmission line 36, or the upper handle side transmission line joint 27 or the rear side. The information is transmitted from the upper handle side transmission line joint 27 or the rear handle side transmission line joint 37 to the main body frame side transmission line joint 17 provided on the main body frame 10 by coupling the joints. In the main body frame 10, according to information on the operation amount of the upper handle trigger 25 or the rear handle trigger 35 transmitted from the main body frame side transmission line joint 17 to the prime mover control means 12 via the main body frame side transmission line 16. The motor control means 12 is the motor 1 To control the operation.

  In the embodiment of the present invention, when the prime mover 11 is an electric motor, as shown in FIG. 7, the information indicating the operation amount of each handle trigger 25, 35 is an electric amount, and the prime mover according to the electric amount. It is convenient if the control means 12 is configured to control the prime mover 11, so that each of the transmission lines 26, 36, 16 and the transmission line joints 27, 37, 17 is an electric signal signal line and a signal line joint (electric connector). ). Further, when the prime mover 11 is an internal combustion engine, as shown in FIG. 8, the information indicating the operation amount of each handle trigger 25, 35 is a machine amount (for example, an axial movement amount of the throttle wire), It is convenient if the prime mover control means 12 (for example, a carburetor) controls the prime mover 11 according to the amount of the machine. Then, the transmission lines 26, 36, 16 and the transmission line joints 27, 37, 17 Can consist of a Bowden cable and a Bowden cable connector.

  Even when the prime mover 11 is an electric motor, as shown in FIG. 9, the prime mover control means 12 is configured to control the electric motor in accordance with the input of the mechanical quantity, and the information transmission line is configured as a Bowden cable. For example, the same upper handle and rear handle prepared for the internal combustion engine can be shared by both the electric motor type chain saw and the internal combustion engine type chain saw. Further, as shown in FIG. 10, the mechanical trigger is transmitted from the handle triggers 25 and 26 to the main body frame side transmission line joint 17, and the mechanical quantity → electricity conversion is integrally performed at the main body frame side transmission line joint 17. It is also possible to provide a device and to transmit electricity after that. On the contrary, when the prime mover 11 is an internal combustion engine, as shown in FIG. 11, the prime mover control means 12 controls the carburetor or injector of the internal combustion engine according to the input of the electric quantity. If the transmission lines 26, 36, 16 and the transmission line joints 27, 37, 17 are constituted by electric signal lines, the same upper handle and rear handle prepared for an electric motor can be used for an internal combustion engine-type chain saw and an electric motor. It can also be shared with a type of chain saw, which is convenient.

  In the above-described embodiment, an example in which an electrical signal is transmitted from the handle to the main body via the connector has been described. However, a configuration in which information on the operation amount of the handle trigger is transmitted by radio, infrared, or the like may be used. In this case, the joint on the handle side and the main body side can be omitted.

  In the embodiment of the present invention, a mechanism for generating an emergency notification sound is further provided. That is, as shown in FIG. 5, an emergency button 39 is disposed on the hand guard portion 38 on the lower surface side of the rear handle 30, and although not shown, an emergency sound generator is separately provided at an appropriate location on the main body frame 10. The emergency button 39 is operated to generate an emergency sound to notify an emergency situation. With this configuration, when an accident occurs, such as when you are working in a large mountain forest that is not visible to other workers, you will be alerted to other workers by sound. It can be informed and convenient. If the operating noise is quite loud like the previous engine-type chainsaw, if the operating noise suddenly stops and stops, other workers can easily detect the change, but modern chainsaws, especially the electric motor type As the chain saws become quieter, even if the operation noise suddenly stops, it is difficult for other workers to detect. In this respect, as described herein, it is more practical in terms of safety if a mechanism for generating an emergency notification sound is provided.

  As described above, the chain saw of the present invention can be switched and used as a top handle type chain saw or a rear handle type chain saw in the same chain saw body.

  If the technical idea flowing through the embodiment described above is regarded as a unit of the invention, it can be expressed in the following plural ways. First, it is an invention of a chain saw kit including a chain saw body, an upper handle, and a rear handle. That is, (1) a chain saw main body frame, a prime mover housed in the main body frame, a prime mover control means for controlling the operation of the prime mover, and an elongated plate provided extending forward of the main body frame A guide bar, a saw chain that is slidably guided along the outer periphery of the guide bar and driven around by the power of the prime mover, and a main body frame so that an upper handle is detachably attached above the main body frame A chain saw body including an upper handle mounting portion provided on the rear frame, a rear handle mounting portion provided on the main body frame so that a rear handle is detachably mounted on the rear side of the main body frame, and the main body frame. An upper handle configured to be detachable to be attached to the upper side, and operates an operation of the prime mover. And an upper handle that includes an upper handle trigger information transmitting means for sending out upper handle trigger information representing an operation amount of the upper handle trigger, and is attached to and detached from the main body frame so as to be attached to the rear thereof. A rear handle configured to be able to operate, the rear handle trigger for operating the operation of the prime mover, and the rear handle side trigger information transmission means for sending out the rear handle trigger information indicating the operation amount of the rear handle trigger; A chain saw kit comprising a rear handle, wherein the upper handle and the rear handle can be exchangeably attached to the chain saw main body, and the upper handle trigger information is attached to the main body frame. Or receiving the rear handle trigger information There is provided main body frame side trigger information transmitting means for transmitting the upper handle trigger information or the rear handle trigger information to the prime mover control means, and the upper handle trigger information transmitted by the main body frame side trigger information transmitting means or The chain saw kit, wherein the prime mover control means controls the operation of the prime mover according to the rear handle trigger information.

  If there is a chain saw kit comprising these three elements, the user can assemble and use it as an upper handle type chain saw or a rear handle type chain saw as required.

  Next, the invention is a chain saw that includes a chain saw body and one of an upper handle and a rear handle, and can be replaced with the handle when the other handle is prepared. That is, (2) a chain saw main body frame, a prime mover housed in the main body frame, a prime mover control means for controlling the operation of the prime mover, and an elongated plate provided extending forward of the main body frame A guide bar, a saw chain that is slidably guided along the outer periphery of the guide bar and driven around by the power of the prime mover, and a main body frame so that an upper handle is detachably attached above the main body frame A chain saw body including an upper handle mounting portion provided on the rear frame, a rear handle mounting portion provided on the main body frame so that a rear handle is detachably mounted on the rear side of the main body frame, and the main body frame. An upper handle configured to be detachable to be attached to the upper side, and operates an operation of the prime mover. And an upper handle including an upper handle trigger for transmitting an upper handle trigger information indicating an operation amount of the upper handle trigger, and a detachable attachment to the main body frame to be attached to the rear thereof. A rear handle configured to be able to operate, the rear handle trigger for operating the operation of the prime mover, and the rear handle side trigger information transmission means for sending out the rear handle trigger information indicating the operation amount of the rear handle trigger; A chain saw comprising one of the rear handles, and the main body frame receives the upper handle trigger information or the rear handle trigger information and receives the upper handle trigger received Information or the rear handle trigger information Body frame side trigger information transmitting means for transmitting to the control means is provided, and the prime mover control means is responsive to the upper handle trigger information or the rear handle trigger information transmitted by the body frame side trigger information transmitting means. When the other handle of the upper handle and the rear handle is prepared, the other handle is combined with the chain saw body instead of the one handle. This is a chain saw characterized in that a chain saw can be constructed.

  If there is a chain saw configured with these two elements, the user can assemble and use a chain saw of a different type by separately obtaining the other handle.

  Next, it is an invention of a chain saw body to which an upper handle or a rear handle can be attached. That is, (3) a chain saw main body frame, a prime mover housed in the main body frame, a prime mover control means for controlling the operation of the prime mover, and an elongated plate provided extending forward of the main body frame A chain saw body, and a saw chain that is slidably guided along the outer periphery of the guide bar and driven around by the power of the prime mover. The handle is configured to be detachably attached, and the rear handle is configured to be detachably attached to the rear thereof, and the upper handle includes an upper handle trigger for operating the prime mover, Upper handle side trigger information transmission for sending out upper handle trigger information indicating the operation amount of the upper handle trigger. And the rear handle includes a rear handle trigger for operating the prime mover, and a rear handle trigger for sending out rear handle trigger information indicating an operation amount of the rear handle trigger. Information transmission means, wherein the main body frame receives the upper handle trigger information or the rear handle trigger information, and the received upper handle trigger information or the rear handle trigger information is transmitted to the prime mover control. Main body frame side trigger information transmitting means is provided, and the prime mover control means is responsive to the upper handle trigger information or the rear handle trigger information transmitted by the main body frame side trigger information transmitting means. Be configured to control the operation of the prime mover. A chain saw body to butterflies.

  If this chain saw body is provided, the user can assemble and use it as a desired chainsaw if an upper handle or a rear handle is separately obtained.

  When the chainsaw according to the present invention is sold as a product, a plurality of forms can be considered as the product configuration. First, a chain saw kit, a chain saw kit, an upper handle, and a rear handle can be combined into a product in the form of a chain saw kit. Alternatively, as a handle, a chain saw is configured by including only a handle that is frequently used or frequently used (for example, a rear handle) as a set, and the other handle can be sold separately as an optional part. That way, only the consumers who need it need to purchase additional handles, which is economical. In addition, depending on the demand ratio, it is possible to pre-manufacture and sell products with one handle from the shipping stage, and as a manufacturer, it is not necessary to design and manufacture completely separate models separately Therefore, it is advantageous in terms of cost. Alternatively, the chain saw body is a main part of the present invention to which any handle can be selectively attached, and the upper handle and the rear handle are sold as separate parts, and the necessary parts are selectively selected by the user. You can also get a purchase.

  Further, in the description of the above embodiment, the present invention has been described from the viewpoint of the invention of the product. However, when a chainsaw body, an upper handle, and a rear handle are prepared, one handle is attached to the chainsaw body. Use of a chain saw that removes one handle from the chain saw and configures another type of chain saw to replace it with another handle. It can also be regarded as a method invention.

  That is, (4) a chain saw main body frame, a prime mover housed in the main body frame, a prime mover control means for controlling the operation of the prime mover, and an elongated plate provided extending forward of the main body frame Detachable to attach to the main body frame above a chain saw body comprising a guide bar and a saw chain that is slidably guided along the outer periphery of the guide bar and driven by the power of the prime mover An upper handle trigger for operating the prime mover, and an upper handle side trigger information transmitting means for sending out upper handle trigger information representing the operation amount of the upper handle trigger. An upper handle comprising and detachably configured to attach to the body frame behind A rear handle trigger for operating the prime mover, and a rear handle side trigger information transmitting means for sending rear handle trigger information representing the operation amount of the rear handle trigger. One of the rear handles is attached to form a chainsaw, and the main body frame receives the upper handle trigger information or the rear handle trigger information and receives the received upper handle trigger information or the rear Body frame side trigger information transmitting means for transmitting handle trigger information to the prime mover control means is provided, and according to the upper handle trigger information or the rear handle trigger information transmitted by the body frame side trigger information transmitting means. The prime mover control means is the prime mover A chain saw comprising: removing one of the attached handles from the chain saw configured to control operation; and attaching the other handle to the chain saw body to form a chain saw. How to use.

  In this case, the user can use the chain saw as a different type by removing the handle attached to the chain saw body and replacing the other handle.

  As can be seen from the above description, according to the present invention, by using the same chain saw body, by changing the main handle, it is possible to configure a top handle type chain saw or a rear handle type chain saw. The chain saw according to workability can be provided.

  DESCRIPTION OF SYMBOLS 10 ... Main body frame, 11 ... Motor | power_engine, 12 ... Motor | power_engine control means, 13 ... Guide bar, 14 ... Saw chain, 15 ... Sprocket, 16 ... Main body frame side transmission wire, 17 ... Main body frame side transmission wire joint, 18 ... Sprocket cover , 19 ... Sub handle, 20 ... Upper handle, 25 ... Upper handle trigger, 26 ... Upper handle side transmission line, 27 ... Upper handle side transmission line joint, 30 ... Rear handle, 35 ... Rear handle trigger, 36 ... Rear handle side Transmission line 37: Rear handle side transmission line joint, 40 ... Front hand guard.

Claims (13)

Chainsaw body frame,
A prime mover housed in the body frame;
Prime mover control means for controlling the operation of the prime mover;
An elongated plate-like guide bar provided extending forward of the main body frame;
A saw chain that is slidably guided along the outer periphery of the guide bar and driven around by the power of the prime mover;
An upper handle mounting portion provided on the main body frame so that the upper handle is detachably mounted above the main body frame;
A rear handle attachment portion provided on the main body frame so that the rear handle is detachably attached to the rear of the main body frame;
The chain saw body is configured with
The upper handle includes an upper handle trigger for operating the prime mover, and upper handle side trigger information transmitting means for sending out upper handle trigger information indicating the operation amount of the upper handle trigger. Yes,
The rear handle includes a rear handle trigger for operating the operation of the prime mover, and a rear handle side trigger information transmitting means for sending rear handle trigger information indicating an operation amount of the rear handle trigger. Yes,
The body frame side trigger information transmitting means for receiving the upper handle trigger information or the rear handle trigger information and transmitting the received upper handle trigger information or the rear handle trigger information to the prime mover control means. Provided,
The prime mover control means controls operation of the prime mover according to the upper handle trigger information or the rear handle trigger information transmitted by the main body frame side trigger information transmission means,
A chain saw constructed by attaching either the upper handle or the rear handle to the chain saw body. The chainsaw according to claim 1,
The upper handle side trigger information transmitting means transmits the upper handle side transmission line for transmitting the upper handle trigger information indicating the operation amount of the upper handle trigger, and the upper handle side trigger line information on the upper handle side transmission line. Comprising an upper handle side transmission line joint for transmitting to
The rear handle side trigger information transmission means transmits a rear handle side transmission line for transmitting rear handle trigger information indicating an operation amount of the rear handle trigger, and the rear handle trigger information of the rear handle side transmission line is transmitted to the main body side. A rear handle side transmission line joint for transmitting to
The body frame side trigger information transmission means includes a body frame side transmission line joint provided at a position of the body frame corresponding to the upper handle side transmission line joint and the rear handle side transmission line joint, and the body frame side transmission line joint. A main body frame side transmission line for transmitting the upper handle trigger information or the rear handle trigger information toward the prime mover control means from
A chainsaw characterized by that. The chainsaw according to claim 2,
The prime mover is an electric motor;
The upper handle trigger information and the rear handle trigger information are electrical quantities,
The upper handle side transmission line and the rear handle side transmission line are signal lines for transmitting electricity.
The body frame side transmission line is a signal line for transmitting an electric quantity, and from the upper handle side signal line or the rear handle side signal line, the upper handle side transmission line joint or the rear handle side transmission line joint and the The prime mover control means controls the operation of the electric motor in accordance with the amount of electricity transmitted to the main body frame side signal line via the main body frame side transmission line joint;
A chainsaw characterized by that. The chainsaw according to claim 2,
The prime mover is an electric motor;
The upper handle trigger information and the rear handle trigger information are mechanical quantities,
The upper handle side transmission line and the rear handle side transmission line are transmission members for transmitting a machine amount,
The main body frame side transmission line is a transmission member for transmitting a mechanical quantity, and from the upper handle side transmission line or the rear handle side transmission line, the upper handle side transmission line joint or the rear handle side transmission line joint and the The prime mover control means controls the operation of the electric motor according to the machine amount transmitted to the main body frame side transmission line via the main body frame side transmission line joint;
A chainsaw characterized by that. The chainsaw according to claim 2,
The prime mover is an internal combustion engine controlled by an electric quantity,
The upper handle trigger information and the rear handle trigger information are electrical quantities,
The upper handle side transmission line and the rear handle side transmission line are signal lines for transmitting electricity.
The body frame side transmission line is a signal line for transmitting an electric quantity, and from the upper handle side signal line or the rear handle side signal line, the upper handle side transmission line joint or the rear handle side transmission line joint and the The prime mover control means controls the operation of the internal combustion engine in accordance with the amount of electricity transmitted to the main body frame side signal line via a main body frame side transmission line joint;
A chainsaw characterized by that. The chainsaw according to claim 2,
The prime mover is an internal combustion engine;
The upper handle trigger information and the rear handle trigger information are mechanical quantities,
The upper handle side transmission line and the rear handle side transmission line are throttle wires for transmitting a mechanical quantity,
The main body frame side transmission line is a throttle wire for transmitting a mechanical quantity, and from the upper handle side throttle wire or the rear handle side throttle wire, the upper handle side transmission line joint or the rear handle side transmission line joint, and the The prime mover control means controls the operation of the internal combustion engine in accordance with a machine amount transmitted to the main body frame side throttle wire via a main body frame side transmission line joint;
A chainsaw characterized by that. The chainsaw according to claim 1,
The prime mover control means is means for controlling the operation of the prime mover according to the amount of electricity,
Between the upper handle trigger and the prime mover control means, there is provided conversion means for converting the operation amount of the upper handle trigger into an electrical quantity.
A chainsaw characterized by that. The chainsaw according to claim 7,
The upper handle side trigger information transmitting means transmits the upper handle side transmission line for transmitting the upper handle trigger information indicating the operation amount of the upper handle trigger, and the upper handle side trigger line information on the upper handle side transmission line. Comprising an upper handle side transmission line joint for transmitting to
The rear handle side trigger information transmission means transmits a rear handle side transmission line for transmitting rear handle trigger information indicating an operation amount of the rear handle trigger, and the rear handle trigger information of the rear handle side transmission line is transmitted to the main body side. Including a rear handle side transmission line joint for transmitting to
The body frame side trigger information transmission means includes a body frame side transmission line joint provided at a position of the body frame corresponding to the upper handle side transmission line joint and the rear handle side transmission line joint, and the body frame side transmission line joint. A main body frame side transmission line for transmitting the upper handle trigger information or the rear handle trigger information toward the prime mover control means from
A chainsaw characterized by that. The chainsaw according to claim 8,
The prime mover is an electric motor;
The upper handle trigger information and the rear handle trigger information are mechanical quantities,
The upper handle side transmission line and the rear handle side transmission line are members for transmitting a machine amount,
The conversion means is arranged on the main body frame and generates an electric quantity having a magnitude corresponding to the magnitude of the mechanical quantity,
Machine amount transmitted from the upper handle side transmission line or the rear handle side transmission line to the main body frame side member via the upper handle side transmission line joint or the rear handle side transmission line joint and the main body frame side transmission line joint In response, the prime mover control means controls the operation of the electric motor,
A chainsaw characterized by that. The chainsaw according to claim 9,
The conversion means is a switch that indicates the presence or absence of an electric amount depending on whether the operation amount of the handle trigger is greater than or less than a predetermined value, and is configured integrally with the main body frame side transmission line joint.
A chainsaw characterized by that. The chainsaw according to claim 9,
The conversion means is means for converting into an electric quantity having a magnitude corresponding to the magnitude of an operation amount of the handle trigger, and is configured integrally with the main body frame side transmission line joint.
A chainsaw characterized by that. Chainsaw body frame,
A prime mover housed in the body frame;
Prime mover control means for controlling the operation of the prime mover;
An elongated plate-like guide bar provided extending forward of the main body frame;
A saw chain that is slidably guided along the outer periphery of the guide bar and driven around by the power of the prime mover;
An upper handle mounting portion provided on the main body frame so that the upper handle is detachably mounted above the main body frame;
A rear handle attachment portion provided on the main body frame so that the rear handle is detachably attached to the rear of the main body frame;
With
The main body frame is provided with operation information transmitting means for receiving operation information for operating the operation of the prime mover from the upper handle or the rear handle and transmitting the received operation information to the prime mover control means. And an upper handle mounting portion so that the upper handle is detachably mounted above the body frame and a rear handle mounting portion is provided behind the body frame so that the rear handle is detachably mounted. And
The prime mover control means controls the operation of the prime mover according to the operation information transmitted by the information transmission means.
The main chain saw body. A main body frame of the chainsaw, a prime mover housed in the main body frame, a prime mover control means for controlling the operation of the prime mover, and an elongated plate-like guide bar provided extending forward of the main body frame; A chain saw body including a saw chain that is slidably guided along the outer periphery of the guide bar and driven around by the power of the prime mover;
An upper handle configured to be detachable so as to be attached to the main body frame, an upper handle trigger for operating an operation of the prime mover, and upper handle trigger information representing an operation amount of the upper handle trigger is sent out. An upper handle comprising an upper handle side trigger information transmitting means for
A rear handle configured to be detachable to be attached to the rear of the main body frame, a rear handle trigger for operating an operation of the prime mover, and rear handle trigger information representing an operation amount of the rear handle trigger is sent out. A rear handle comprising rear handle side trigger information transmitting means for,
Is prepared,
The body frame side trigger information transmitting means for receiving the upper handle trigger information or the rear handle trigger information and transmitting the received upper handle trigger information or the rear handle trigger information to the prime mover control means. And an upper handle mounting portion so that the upper handle is detachably mounted above the main body frame and a rear handle mounting portion so that the rear handle is detachably mounted behind the main body frame. Provided,
The prime mover control means controls the action of the prime mover according to the operation information transmitted by the information transmission means,
By combining either the chain saw body and the upper handle or the rear handle, according to the upper handle trigger information or the rear handle trigger information transmitted by the main body frame side trigger information transmission means, Removing the one handle combined from a chainsaw configured to control the operation of the prime mover by the prime mover control means;
Attaching the other handle to the trace,
How to use a chain saw comprising

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