JP6851781B2 - Driving tool - Google Patents

Description

The present invention relates to a driving tool such as a compressed air driven nail gun.

The compressed air-driven nail gun has a tool body containing a striking piston that reciprocates using compressed air as a drive source. An elongated rod-shaped striking driver is attached to the striking piston. The tool body is provided with a driver guide for guiding a nail as a driving tool in the injection direction. If the striking piston is moved down in the driving direction by air pressure with one nail waiting inside the driver guide (driving passage), the striking driver moves in the driving passage and the nail is hit in the driving direction. .. The nail hit by the hitting driver is launched from the tip (injection port) of the driver guide.

This type of driving tool is devised to prevent inadvertent driving operation. For example, a nose portion (contact top) of a contact arm is provided at the tip portion (injection port) of the driver guide so as to be displaceable up and down. At the time of driving, the driving operation is performed only in a state where the nose portion is pressed against the driving material together with the injection port and the contact arm is relatively moved to the upper on position. The nose of the contact arm is covered with a resin cap mainly to prevent damage to the driving material. Patent Document 1 below discloses a technique in which a storage portion for storing a cap removed from a contact arm so as not to be lost is provided.

Apart from the above resin cap, a technique for replacing the nose portion of the contact arm is disclosed in Patent Document 2 below. It is necessary that the nose portion of the contact arm is appropriately set in the hole diameter and the guide length of the driving passage according to the head diameter and the nail length of the nail to be driven in order to perform accurate driving. Therefore, in the technique disclosed in Patent Document 2 below, two types of attachment members having different hole diameters and guide lengths of the driving passage are prepared for replacement, and the user can use an appropriate attachment according to the nail to be driven. Members can be selected and attached. Patent Document 2 below discloses a technique in which a magazine is provided with a storage portion for storing an attachment member that is removed from the contact arm and is not used.

Japanese Patent No. 3651756 Japanese Unexamined Patent Publication No. 2014-231136

However, according to the above-mentioned conventional attachment storage unit, since the attachment removed from the contact arm is a metal part and is held in the storage position without rattling, a latch member urged by a spring is used. Was there. For this reason, there is a problem that a separate part such as the latch member is required separately, and it takes time and effort to assemble the latch member, resulting in high cost.

An object of the present invention is to make it possible to store the nose portion removed from the contact arm without incurring a conventional high cost.

The above problems are solved by the following inventions. In the first invention, the contact arm is displaceably provided on the driver guide having the injection port, and the nose portion provided on the contact arm is pressed against the driving material to displace the contact arm relative to the driver guide. It is a driving tool that enables driving operation in the state. In the first invention, the nose portion is removable from the contact arm. In the first invention, the nose storage portion for storing the removed nose portion is provided. In the first invention, the nose portion is held in the nose accommodating portion by utilizing the closed state of the opening / closing lid of the magazine accommodating the driving tool.

According to the first invention, when the opening / closing lid of the magazine is closed, the nose portion is held in the nose storage portion, so that another component such as a conventional latch member can be used. The nose part can be stored without using it. By not using a separate component as in the past, it is possible to save the trouble of assembling this. As a result, the nose portion can be stored in the nose storage portion without incurring a high cost.

According to the second invention, in the first invention, the nose storage portion includes a first position where the nose portion can be taken out and a second position where the nose portion cannot be taken out, and the magazine can be opened and closed. This is a driving tool in which the working portion provided on the lid interferes with the nose portion located at the first position and the nose portion is displaced to the second position.

According to the second invention, by closing the opening / closing lid of the magazine, the nose portion is displaced from the first position to the second position in the nose storage portion and is held so that it cannot be taken out.

A third invention is a driving tool in which, in the second invention, the nose accommodating portion is provided with a pull-out restricting portion for restricting the pull-out of the nose portion located at the second position.

According to the third invention, the nose portion is held at the second position so that it cannot be pulled out from the nose storage portion.

The fourth invention is a driving tool in which, in the second or third invention, the opening / closing lid of the magazine is provided with a storage lid portion that regulates the removal of the nose portion located at the second position of the nose storage portion. ..

According to the fourth invention, the storage lid portion provided on the opening / closing lid of the magazine restricts the nose portion located at the second position from coming out of the nose storage portion.

In the fifth aspect of the invention, in any one of the second to fourth inventions, the action portion includes a guide portion that displaces the nose portion from the first position to the second position in conjunction with the closing operation of the opening / closing lid. , A driving tool provided with a holding portion for holding the nose portion in the second position at the closing position of the opening / closing lid.

According to the fifth invention, the action portion of the opening / closing lid is provided with a guide portion and a holding portion. During the closing operation of the opening / closing lid, the nose portion is displaced from the first position to the second position by the guide portion of the acting portion. When the opening / closing lid is closed, the nose portion is held in the second position by the holding portion of the acting portion.

A sixth aspect of the present invention is, in any one of the first to fifth aspects, the nose portion is a driving tool provided with a mounting portion for a contact arm and a guide portion for guiding a driving tool. In the sixth invention, the mounting portion is provided with a mounting hole into which the contact arm is inserted. In the sixth invention, the mounting portion is stored in the mounting elastic portion located on the inner peripheral side of the mounting hole and elastically pressed by the contact arm, and the mounting portion located on the outer peripheral side of the mounting hole in the nose storage portion. A storage elastic portion that elastically engages with the nose storage portion is provided on the way.

According to the sixth invention, the attachment elastic portion maintains the attachment state of the nose portion with respect to the contact arm. Further, according to the sixth invention, the storage elastic portion elastically engages with the nose storage portion during storage in the nose storage portion, and the nose portion is stored in the nose storage portion. For this reason, in the stored state, the elastic storage portion is engaged with the nose storage portion, so that the nose portion is restricted from coming out of the nose storage portion. The stored nose portion can be pulled out from the nose storage portion only when the user pulls out the stored elastic portion against the elastic engagement with the nose storage portion.

A seventh invention is a driving tool provided with a mounting portion for a contact arm and a guide portion for guiding a driving tool in any one of the first to sixth inventions. In the seventh invention, the nose accommodating portion has a configuration capable of accommodating a plurality of types of nose portions having different lengths of guide portions with the position of the nose portion mounting portion as a reference position.

According to the seventh invention, a plurality of types of nose portions having guide portions having different lengths can be efficiently and compactly stored with the attachment position with respect to the contact arm as a reference position.

It is an overall side view of the driving tool which concerns on embodiment of this invention. It is a side view which saw the driving guide part from the direction of arrow (II) in FIG. 1, and is the side view of the nose part. FIG. 2 is a cross-sectional view taken along the line (III)-(III) in FIG. 2, which is a vertical cross-sectional view of the attachment portion of the nose portion with respect to the contact arm. It is a perspective view of a nose part. It is a perspective view which looked at the nose part from the direction of the arrow (V) in FIG. It is a perspective view which looked at the magazine from the direction of the arrow (VI) in FIG. It is a perspective view of the nose storage part. This figure shows a state in which the opening / closing lid of the magazine is opened. In this figure, the state where the nose portion is located at the first position is shown. It is a perspective view of the nose storage part. This figure shows the state in which the opening / closing lid of the magazine is being closed. In this figure, the state where the nose portion is located at the first position is shown. It is a perspective view of the nose storage part. This figure shows a state in which the opening / closing lid of the magazine is being closed, and the nose portion is being moved from the first position to the second position by the acting portion of the opening / closing lid. It is a perspective view of the nose storage part. This figure shows a state in which the opening / closing lid of the magazine is opened as in FIG. 7, and the nose portion is located at the first position. It is a cross-sectional view taken along the line (XI)-(XI) of FIG. 1, and is a vertical cross-sectional view of a nose portion located at a second position, mainly a mounting portion and an operating portion of an opening / closing lid. FIG. 1 is a cross-sectional view taken along the line (XII)-(XII) of FIG. 1, which is a vertical cross-sectional view of a nose portion located at a second position, mainly a guide portion and a storage lid portion of an opening / closing lid.

Next, an embodiment of the present invention will be described with reference to FIGS. 1 to 12. As shown in FIG. 1, the driving tool 1 of the present embodiment includes a tool main body portion 10 having a driving tool striking mechanism, a handle portion 20 gripped by the user, and a driving guide portion 30 for guiding the driving tool. It is equipped with a magazine 40 loaded with a book driving tool. The handle portion 20 extends rearward (user side) from the side portion of the tool body portion 10. The user grips the handle portion 20 located behind the driving tool 1. The driving guide portion 30 extends downward from the lower portion of the tool main body portion 10. In the driving guide portion 30, one driving tool is hit by the driving striking mechanism of the tool body portion 10 to be launched. One of the hitting tools is driven from the tip (lower end) of the driving guide portion 30 toward the driving material W.

A trigger 21 is provided near the base of the handle portion 20. When the trigger 21 is pulled upward with the fingertip of the hand holding the handle portion 20, compressed air is supplied to the tool body portion 10. The compressed air is accumulated in the accumulator chamber provided inside the handle portion 20. Compressed air is supplied to the accumulator chamber via an air hose (not shown) connected to the rear end of the handle portion 20. FIG. 1 shows a state in which the air hose is not connected. A connection port 22 for connecting an air hose is shown on the rear end surface of the handle portion 20. The connection port 22 is covered with a rubber cap 23. Further, a hook 24 for carrying the driving tool 1 on a belt is provided at the rear portion of the handle portion 20.

The tool body 10 is equipped with a striking piston that reciprocates up and down using compressed air as a drive source, and a head valve that sucks and exhausts compressed air with respect to the striking piston. An elongated striking driver is coupled to the underside of the striking piston. The striking driver reciprocates up and down in the driving passage of the driving guide portion 30. When the head valve is opened by the pulling operation of the trigger 21, compressed air is supplied to the upper chamber side of the striking piston and the striking piston moves downward. The downward movement of the impact piston causes the impact driver to move downward in the driving passage. When the striking driver moves down in the driving passage, one driving tool is hit and is launched from the lower end (injection port) of the driving guide portion.

The magazine 40 has a cylindrical shape in which a large number of driving tools are temporarily fixed in parallel at regular intervals and a connected driving tool can be loaded in a wound state. As shown in FIG. 6, the magazine 40 includes a semi-cylindrical main body 41 for loading a connecting driving tool and a semi-cylindrical opening / closing lid 42 for closing the main body 41. The opening / closing lid 42 is connected to the main body 41 so as to be openable / closable via a support shaft 43. The opening / closing lid 42 is rotated toward the front side in FIGS. 1 and 6 to be opened.

A driving tool supply unit 25 is provided between the driving guide unit 30 and the magazine 40. By the feeding operation of the driving tool supply unit 25, the driving tools are supplied one by one from the magazine 40 into the driving passage of the driving guide unit 30. The feeding operation of the driving tool supply unit 25 is performed in conjunction with the driving operation of the tool body unit 10.

As shown in FIGS. 2 and 3, the driving guide portion 30 is provided with a contact arm 31. The contact arm 31 is supported so as to be relatively movable up and down with respect to the driving guide portion 30. The upper part of the contact arm 31 reaches the vicinity of the trigger 21. A nose portion 35 is attached to the lower portion of the contact arm 31. The lower part of the nose portion 35 is located below the driving guide portion 30 (on the driving material W side). When the driving tool 1 is pushed down while the nose portion 35 is in contact with the driving material W, the contact arm 31 moves relatively upward. When the contact arm 31 is relatively displaced upward, the pulling operation of the trigger 21 becomes effective and compressed air is supplied to the tool body 10 side, so that the driving operation is performed. On the other hand, in a state where the nose portion 35 is brought into contact with the driving material W and is not relatively moved upward, the pulling operation of the trigger 21 is invalid and the driving operation is not performed. As a result, the driving operation due to the careless pulling operation of the trigger 21 is surely prevented.

As described above, the nose portion 35 having a function for determining whether the pulling operation of the trigger 21 is valid or invalid can be removed from the lower part of the contact arm 31. The removed nose section 35 is shown in FIGS. 4 and 5. The nose portion 35 includes a mounting portion 35a for the contact arm 31 and a guide portion 35b for guiding the driving tool to the driving portion of the driving material W. The attachment portion 35a is provided so as to project laterally from the upper portion of the guide portion 35b having a cylindrical shape. The mounting portion 35a is provided with a circular mounting hole 35c for inserting and connecting the lower portion of the contact arm 31.

The inner peripheral side of the cylindrical guide portion 35b is a guide passage 35d that guides the driving tool to the driving portion. The lower end opening of the guide passage 35d is the injection port 35e. The driving tool 1 is provided with two types of nose portions 35 having different inner diameters and lengths of the guide passage 35d. By selecting an appropriate nose portion 35 according to the head diameter and shaft length of the driving tool and attaching it to the lower part of the contact arm 31, the driving tool is guided in an accurate and stable driving posture immediately before driving. be able to. By being guided to the driving portion in an accurate and stable driving posture by the guide passage 35d of the nose portion 35, the driving tool can be accurately driven into the driving portion.

A plurality of claw portions 35h are provided around the lower outer circumference of the guide portion 35b and the injection port 35e. When the nose portion 35 is tilted and brought into contact with the driving material W in order to drive the driving tool diagonally, the claw portion 35h is engaged with the driving material W, so that the injection port 35e is positioned with respect to the driving portion. It is held and can be hit diagonally accurately.

Of the above two types of nose portions 35, the nose portion 35 that is not attached to the contact arm 31 can be stored in the nose storage portion 45. By storing the unused nose portion 35 in the nose storage portion 45, it is possible to prevent the nose portion 35 from being lost and to quickly attach the nose portion 35 to the contact arm 31 at the next use.

The nose storage portion 45 is provided at the rear of the magazine 40. Details of the nose storage section 45 are shown in FIGS. 6 and later. The nose storage portion 45 includes a pedestal portion 46 integrally provided with the main body portion 41 of the magazine 40, and a cylindrical tubular portion 47 integrally provided with the pedestal portion 46. The pedestal portion 46 is provided so as to project rearward from the rear end edge of the main body portion 41. The tubular body portion 47 is provided so as to protrude to the right from the pedestal portion 46. A storage space 48 is provided from the pedestal portion 46 to the tubular body portion 47 with the left-right direction as the depth direction. The storage space 48 is provided in a sideways state in which the handle portion 20 is opened to the left when viewed from the user holding the handle portion 20. The storage space 48 is provided with a volume capable of storing almost the entire nose portion 35. Moreover, the storage space 48 is provided with a volume that allows the housed nose portion 35 to be displaced between the first position and the second position.

FIGS. 7, 8 and 10 show a state in which the nose portion 35 is located at the first position of the storage space 48. FIG. 9 shows a state in which the nose portion 35 is in the process of moving from the first position to the second position. In FIGS. 7 to 9, the area of the storage space 48 that is generally closer to the rear (the area on the front side when viewed from the user) is set to the second position. A retaining portion 46a is integrally provided at the rear side corner of the pedestal portion 46. The retaining portion 46a is provided so as to project toward the opening side of the storage space 48. When the nose portion 35 is displaced to the second position as shown in FIG. 1, a part of the attachment portion 35a of the nose portion 35 has entered the right side of the retaining portion 46a. As a result, the displacement of the nose portion 35 from the storage space 48 in the exit direction (left side when viewed from the user, front side of the paper surface in FIG. 1) is restricted.

The opening / closing lid 42 of the magazine 40 is integrally provided with a storage lid portion 42a and an acting portion 42b. The storage lid portion 42a is provided so as to project rearward from the rear end portion of the opening / closing lid 42. The acting portion 42b is provided in a state of projecting from the projecting base portion of the storage lid portion 42a in the orthogonal direction (to the right at the closed position of the opening / closing lid 42). When the opening / closing lid 42 is closed with respect to the main body 41, the storage lid 42a closes a part of the opening of the storage space 48. Therefore, the housed nose portion 35 is in a state where it is prevented from coming out of the storage space 48 by the storage lid portion 42a in addition to the retaining portion 46a.

When the opening / closing lid 42 is closed with respect to the main body 41 as shown in FIG. 11, the acting portion 42b enters the storage space 48. The working portion 42b enters along the inner wall surface of the storage space 48 on the first position side. A guide portion 42c and a holding portion 42d are provided on the rear surface of the working portion 42b. The guide portion 42c is provided with a guide inclined surface that is inclined with respect to the approach direction (the closing direction of the opening / closing lid 42). The guide inclined surface is inclined in the direction in which the thickness dimension (front-rear width) of the working portion 42b changes. A holding portion 42d is provided adjacent to the left side (upper side in FIG. 11) of the guide portion 42c. The thickness dimension of the holding portion 42d does not change, and the holding portion 42d is formed on a flat surface along the closing direction of the opening / closing lid 42.

As shown in FIG. 8, before the opening / closing lid 42 is completely closed, the guide portion 42c of the acting portion 42b hits the mounting portion 35a of the nose portion 35 stored in the first position in the storage space 48. Touch. As shown in FIG. 9, when the opening / closing lid 42 is further displaced in the closing direction in this contact state, the nose portion 35 is pushed by the guide portion 42c of the working portion 42b and displaced to the second position.

As shown in FIG. 12, when the opening / closing lid 42 of the magazine 40 is completely closed with respect to the main body 41, the storage lid 42a closes a part of the opening of the storage space 48 and covers the nose 35. It will be in a state of being. Further, as shown in FIG. 11, when the opening / closing lid 42 of the magazine 40 is completely closed with respect to the main body 41, the holding portion 42d of the acting portion 42b comes into contact with the mounting portion 35a of the nose portion 35. The nose portion 35 is held in the second position. When the nose portion 35 is held in the second position by the acting portion 42b, the attachment portion 35a of the nose portion 35 is located on the right side of the retaining portion 46a, and as a result, the nose portion 35 is prevented from coming out of the storage space 48. It will be in the state of being. Further, the action portion 42b enters between the nose portion 35 and the inner wall surface of the storage space 48, so that the displacement of the nose portion 35 in the return direction to the first position is restricted.

Further, although omitted in FIGS. 4 and 5, elastic members 36 are attached to both sides of the attachment portion 35a of the nose portion 35. The elastic member 36 is held in a state of protruding from the inner peripheral side of the mounting hole 35c through the holding hole 35f provided in the mounting portion 35a. The portion protruding toward the inner peripheral side of the mounting hole 35c of the elastic member 36 is the mounting elastic portion, and the portion protruding toward the outer peripheral side corresponds to the storage elastic portion.

In FIGS. 4 and 5, the elastic member 36 is removed and the rectangular holding hole 35f is visible. The holding hole 35f is provided so as to cross the mounting hole 35c and penetrate to the opposite side. Due to the elastic member 36 (attachment elastic part) protruding from the inner peripheral side of the attachment hole 35c, when the lower part of the contact arm 31 is inserted into the attachment hole 35c and attached, the elastic force of the elastic member 36 is applied. It becomes an appropriate retaining resistance and the attached state of the nose portion 35 to the contact arm 31 is maintained.

Further, in the middle of removing the nose portion 35 from the contact arm 31 and accommodating it in the first position of the nose storage portion 45, the elastic member 36 (storage elastic portion) protruding from the outer peripheral side of the mounting hole 35c is stored in the storage space 48. By elastically engaging the engaging convex portion 46b provided on the inner wall surface and the edge portion 46c of the retaining portion 46a, a certain resistance is given to the storage operation to the first position. .. Due to the elastic resistance of the storage elastic portion, the nose portion 35 is more reliably prevented from coming out of the storage space 48. When the nose portion 35 is completely retracted in the first position of the nose accommodating portion 45, the elastic member 36 is disengaged downward (on the back side of the storage space 48) with respect to the engaging convex portion 46b and the end edge portion 46c. It will be in a state of being.

The bottom portion 35g of the attachment portion 35a of the nose portion 35 serves as a reference surface in the storage direction (closing direction of the opening / closing lid 42) with respect to the nose storage portion 45. The plurality of nose portions 35 prepared for the driving tool 1 have the same relative position of the bottom portion 35g with respect to the contact arm 31, and there are a plurality of types of the length of the guide portion 35b and the diameter of the guide passage 35d according to the driving tool. Is available. On the other hand, the lower side wall of the nose storage portion 45 is provided with a step portion on which the bottom portion 35 g of the mounting portion 35a can be placed. When the nose portion 35 is inserted into the first position of the storage space 48, the bottom portion 35 g of the attachment portion 35a is placed on the step portion of the nose storage portion 45. Therefore, the plurality of types of nose portions 35 have the same storage position in the insertion direction of the mounting portion 35a regardless of the difference in the length of the guide portion 35b and the like. The difference in the length of the guide portion 35b appears as a difference in the position of the tip portion in the tubular body portion 47.

As described above, since the positions of the mounting portions 35a are common to the plurality of types of nose portions 35 having different lengths of the guide portions 35b, the guide portion 42c, the holding portion 42d, and the retaining portion with respect to the mounting portion 35a are retained. The relative position of 46a can be operated in the same manner regardless of the difference in the length or the like of the guide portion 35b.

According to the driving tool 1 of the present embodiment configured as described above, the nose portion 35 of the driving tool that can be loaded into the magazine 40 and can be driven is replaced according to a plurality of types of driving tools having different lengths and thicknesses. be able to. The nose portion 35 removed from the contact arm 31 can be stored in the nose storage portion 45. Therefore, the removed nose portion 35 is not lost, and when it is used next time, it can be quickly attached to the contact arm 31 without the trouble of finding it.

Moreover, according to the illustrated embodiment, the nose portion 35 is stored in the first storage space 48 by utilizing the closed state of the opening / closing lid 42 of the magazine 40, instead of using a separate component such as a latch member as in the conventional case. And it can be stored in the second position in a state where it is prevented from coming off. By not using a separate component as in the past, it is possible to save the trouble of assembling this. As a result, the nose storage portion can be provided without incurring a high cost.

Further, in the storage space 48 of the nose storage portion 45, a first position where the nose portion 35 can be taken out against the elastic resistance of the elastic member 36 and a second position where the nose portion 35 is held so as not to come out. Is set. As the opening / closing lid 42 of the magazine 40 is closed, the guide portion 42c of the acting portion 42b provided on the opening / closing lid 42 interferes with the attachment portion 35a of the nose portion 35 located at the first position, so that the nose The portion 35 is displaced from the first position to the second position. When the opening / closing lid 42 is completely closed, the nose portion 35 is held in the second position by the holding portion 42d of the working portion 42b.

Further, when the nose portion 35 is displaced from the first position to the second position, the retaining portion 46a restricts the nose portion 35 from coming out of the storage space 48. Further, when the opening / closing lid 42 of the magazine 40 is completely closed, the storage lid portion 42a holds the nose portion 35 so as not to come out of the storage space 48.

An elastic member 36 is attached to the attachment portion 35a of the nose portion 35. The elastic member 36 is held in a state of being attached to the contact arm 31 of the nose portion 35 by a portion (attachment elastic portion) protruding from the inner peripheral side of the attachment hole 35c. Further, the portion (storage elastic portion) of the elastic member 36 that protrudes to the outer peripheral side of the mounting hole 35c is elastic to the engaging convex portion 46b provided on the inner wall surface of the nose storage portion 45 and the end edge portion 46c of the retaining portion 46a. By being engaged with each other, the nose portion 35 stored in the first position is prevented from coming out of the storage space 48.

Further, the attachment portion 35a of the nose portion 35 is provided with a bottom portion 35g for setting a reference position of the attachment portion 35a with respect to the nose storage portion 45. The nose portion 35 is stored in a state where the bottom portion 35 g is placed on the step portion of the nose storage portion 45, and the storage position of the mounting portion 35a is set as a common reference position regardless of the length of the guide portion 35b. Therefore, for a plurality of types of nose portions 35 having different lengths of the guide portions 35b according to the length of the driving tool, the acting portion 42b, the retaining portion 46a, and the storage portion 35a with respect to the mounting portion 35a located at the common reference position. The lid portion 42a can be reliably operated.

Various changes can be made to the embodiments described above. For example, a configuration for accommodating a plurality of types of nose portions 35 having different lengths of the guide portion 35b corresponding to driving tools having different lengths has been illustrated, but only one type of driving tool has an application target. The illustrated nose storage portion can also be applied to the case where the same nose portion is stored as a spare part for the driving tool 1.

In addition, although the compressed air-driven driving tool is illustrated, the nose storage part that illustrates the storage structure of the nose part attached to the contact arm is also used for the electric driving tool and the gas combustion type driving tool that use the electric motor as the drive source. Can be applied.

W ... Driving material 1 ... Driving tool 10 ... Tool body part 20 ... Handle part 21 ... Trigger 22 ... Connection port 23 ... Rubber cap 24 ... Hook 25 ... Driving tool supply part 30 ... Driving guide part 31 ... Contact arm 35 ... Nose part 35a ... Mounting part, 35b ... Guide part, 35c ... Mounting hole, 35d ... Guide passage 35e ... Injection port, 35f ... Holding hole, 35g ... Bottom, 35h ... Claw part 36 ... Elastic member (mounting elastic part, storage elastic part)
40 ... Magazine 41 ... Main body 42 ... Opening and closing lid 42a ... Storage lid, 42b ... Acting part, 42c ... Guide, 42d ... Holding 43 ... Support shaft 45 ... Nose storage 46 ... Pedestal, 46a ... Retaining part , 46b ... Engagement convex part, 46c ... Edge edge 47 ... Cylinder 48 ... Storage space

Claims (6)

A contact arm is displaceably provided on a driver guide having an injection port, and a driving operation is performed in a state where the nose portion provided on the contact arm is pressed against a driving material and the contact arm is displaced relative to the driver guide. It is a driving tool that enables
The nose portion is removable from said contact arm includes a nose housing portion for accommodating the nose section was remove it, the nose housing section is in its first position and can be taken out of the nose portion And a second position for holding the nose portion so that it cannot be taken out, and an action portion provided on the opening / closing lid of the magazine accommodating the driving tool interferes with the nose portion located at the first position. A driving tool configured to displace the nose portion to the second position. The driving tool according to claim 1.
A driving tool provided with a pull-out restricting portion for restricting the pull-out of the nose portion located at the second position in the nose storage portion. The driving tool according to claim 1 or 2.
A driving tool provided with a storage lid portion for restricting the removal of the nose portion located at the second position of the nose storage portion on the opening / closing lid of the magazine. The driving tool according to any one of claims 1 to 3.
The action portion includes a guide portion that displaces the nose portion from the first position to the second position in conjunction with the closing operation of the opening / closing lid, and the nose portion at the closing position of the opening / closing lid. A driving tool provided with a holding portion for holding at the position 2. The driving tool according to any one of claims 1 to 4.
The nose portion includes a mounting portion for the contact arm and a guide portion for guiding a driving tool, and the mounting portion includes a mounting hole for inserting the contact arm, and the mounting portion is provided with the mounting portion. An elastic mounting portion located on the inner peripheral side of the hole and elastically pressed against the contact arm, and an elastic mounting portion located on the outer peripheral side of the mounting hole and elastically pressed into the nose storage portion during storage in the nose storage portion. A driving tool provided with a storage elastic part that engages with. The driving tool according to any one of claims 1 to 5.
The nose portion includes a mounting portion for the contact arm and a guide portion for guiding the driving tool, and the nose storage portion has a length of the guide portion with the position of the mounting portion of the nose portion as a reference position. A driving tool with a configuration that can store a plurality of different types of the nose.

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