JPS6236620Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention is a fastener driving tool in which a fastener is driven into a workpiece by a striking piston inside a nose that protrudes coaxially with respect to a striking cylinder from a housing that incorporates a striking piston/cylinder mechanism. Regarding Fuasuna Magazine.

Generally, a fastener driving tool has a circular or sheath-shaped fastener magazine for continuously feeding fasteners into a nose.

Three types of methods have already been proposed for loading connected fasteners (hereinafter referred to as connected fasteners) into the above-mentioned direct sheath-shaped fastener magazine: a top loading method, a side loading method, and a bottom loading method. However, in any of these methods, opening and closing of the magazine cover to prevent the connecting fastener from flying out from the fastener magazine after loading the fastener is not related to the movement of the pusher arranged inside the fastener magazine. Therefore, it cannot be said that the operability is good, and the performance of the magazine cover during fastener driving is not completely reliable.

The purpose of the present invention is to overcome the drawbacks of the prior art and to provide a fastener magazine with improved operability and reliable performance. To achieve this purpose, the present invention includes a pusher which is movable along the longitudinal direction of the straight sheath-shaped magazine body and which is always biased forward in the longitudinal direction and sends the connected fasteners. The magazine body has a loading opening in the upper end of the magazine body for loading the connected fastener into the magazine body, and the loading opening is configured to open and close the loading opening. The magazine has a magazine cover that is pivotally supported on one side wall of the magazine body and has an L-shaped cross section, and the magazine cover is arranged so as to be always biased in a direction to open the loading opening. A magazine cover lock is provided at the rear end of the magazine body, and the magazine cover lock has an end surface that abuts the pusher and a lower pivot point of the magazine cover in the forward position. a lock block that enters between the magazine side wall and the magazine cover to hold the magazine cover in the closed position, and the pusher has an end that contacts and presses the end surface of the magazine cover block, and a lock block that holds the pusher in the rear end position. It features a shoulder that engages a pusher plate for retention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to FIGS. 1 to 10. In FIG. 1, a part of a pneumatic screw driving machine 2 having a screw magazine 1 according to an embodiment of the present invention is shown in cross section,
Also, the entire side surface of the screw magazine 1 is shown. The pneumatic screw driving machine 2 has a striking piston and
The housing 5 has a main housing part 3 that houses a cylinder mechanism, and a handle part 4 that forms a large part of a compressed air storage chamber (not shown) and is integrally molded with the main housing part 3. The blow cylinder/piston mechanism includes a blow cylinder 6 and a blow piston (not shown) installed in the blow cylinder 6.
A rod-shaped driver 7 is rigidly connected to this striking piston. The reciprocating movement of the striking piston is arranged at the upper end of this striking cylinder,
It is controlled by a head valve (not shown) that controls communication between the upper chamber of the percussion cylinder and the compressed air storage chamber. Control of the head valve is performed by a manual trigger valve 8 provided in the control air passage from the compressed air storage chamber to the control chamber formed within the head valve. This is done by the operator via the pivoted trigger lever 9.

A cylindrical nose 10 projects from the lower end of the main housing 3 coaxially with the striking cylinder.

A driver guide hole 11 is formed in the nose 10 in the axial direction, and the rod-shaped driver 7 is reciprocated within this driver guide hole 11 by a striking piston.

A driven material contacting portion 13 of a trigger safety arm 12 that slides in the axial direction of the nose 10 is fitted onto the outer peripheral surface of the nose 10 . A proximal end 14 of the trigger safety arm 12 is mechanically associated with a portion of the trigger lever 9. A driving depth adjustment attachment 21 is welded to the driven material contacting part 13.

A screw magazine 1 is placed almost parallel to the handle part 4 above.
The front end of the screw magazine 1 (the left end of the screw magazine 1 in FIG. 1) is attached to the nose block 32 including the nose 10, and the rear end of the screw magazine 1 (the left end of the screw magazine 1 in FIG. (right end) is attached to a bracket 15 extending downward from the rear end of the handle portion 4.

The front end of the screw magazine 1 is a driver guide hole 11
The connecting screws 16 (see FIG. 10) are fed one by one from the screw magazine 1 toward the driver guide hole 11 to a position below the lower end of the driver 7 that is stationary at the top dead center.

The overall structure of the screw magazine 1 is illustrated in particular detail in FIGS. 1 and 10. In FIG. 10, the front end of the screw magazine 1 is located on the right side of the figure, and the rear end of the screw magazine 1 is located on the left side of the figure. A cartridge guide portion 22 is formed at the top of the sheath-like magazine body 17 to guide the connecting cartridge 20 of the connecting screw 16 back and forth while sliding in the longitudinal direction of the magazine body 17.

The connecting cartridge 20 is made of synthetic resin and has a C-shaped cross section with a downward opening. The upper wall 2 of this connected cartridge 20
There are latching holes 20 near the front and rear ends of 0b.
c and 20d are drilled. This connecting cartridge 20 holds the enlarged diameter heads 18 of each screw 19 constituting the connecting screw at regular intervals. These enlarged diameter heads 18 are held by the elasticity of the synthetic resin, and the connecting cartridge 20
By applying some force in the longitudinal direction of the connecting screw 16, the connecting cartridge 20 can be removed from the row of expanding heads 18.

Upper cover plates 23 and 24 that close the upper ends of the cartridge guide section 22 are provided only at the front and rear ends of the magazine body 17. Between the upper cover plate 23 disposed at the front end of the magazine body 17 and the upper cover plate 24 disposed at the rear end of the magazine body 17, the upper end of the cartridge guide section 22 is open and the connecting screw 16 can be inserted. It forms a loading opening 25 for loading into the magazine body 17. That is, the magazine 1 is a magazine that belongs to the top loading type.

Continuing from the cartridge guide section 22, a screw neck guide section 27 is formed below the cartridge guide section 22 for allowing the neck section 26 of the screw 19 to move along the longitudinal direction of the magazine body 17. The lateral inner width of the screw neck lower guide section 27 is narrower than the lateral inner width of the cartridge guide section 22, so that a shoulder section 28 running in the longitudinal direction of the magazine body 17 is formed at the lower end of the cartridge guide section 22.

A steel band 31 constituting the pusher spring 30 has a shape that bulges out to the side of the screw neck lower guide portion 27.
Steel band storage section 29 for storing in an unfolded state
is formed in the longitudinal direction of the magazine body 17.

The pusher spring 30 is of a type belonging to a spiral spring, and is located on the side of the nose block 32 that closes the bottom of the main housing part 3 and closes the nose 10.
One end (not shown) of the steel strip 31 is fixed to a pusher spring mount 33 that is formed to protrude adjacent to the pusher spring mount 33 . The other end 31a of the steel strip 31 is the pusher 3
It is fixed to the side surface 34a of 4 with a pin 35. The pusher 34 is constantly urged from the rear to the front of the magazine body 17 by the restoring force of the pusher spring 30.

The magazine body 17 is attached to the pneumatic screw driver 2 with the front end 23a of the upper cover plate 23 inserted into the nose block 32. A cartridge stopper 89 is formed forward of and adjacent to the front end 23a. The cartridge stopper 89 is a wall surface surrounding a hole having a cross-sectional area smaller than the cross-sectional area of the cartridge guide portion 22 of the magazine body 17, and prevents the connecting screw 16 from advancing the connecting cartridge 20 through the driver guide hole 11.
It performs the function of stopping at a certain distance away from the target.

Two U-shaped pivot bearings 37 and 38 are fixedly spaced from each other at a constant distance between the upper cover plates 23 and 24 and on the outer surface 36 of the steel strip housing 29. Pivot bearings 39 and 40, which form a pair with these pivot bearings 37 and 38, are fixed to the inner surface 42 of a magazine cover 41 having an L-shaped cross section while maintaining a constant distance from each other.

Pivot bearings 37 and 39 and pivot bearings 38 and 4
0 are combined, and a headed pin 43 is fitted into the combination of these pivot bearings. A torsion coil spring 44 is wound around this headed pin 43. One end 44a and the other end 44b of this torsion coil spring 44 are arranged upward, and one end 44a of this torsion coil spring 44
a is hooked to the outer surface 36 of the steel strip storage section 29, and the other end 44b of the torsion coil spring 44 is hooked to the inner surface 42 of the magazine cover 41. For this reason, a spring load is always applied to the magazine cover 41, and a force acts to rotate the magazine cover 41 clockwise as shown in FIGS. 7 and 8. However, when the connecting screw 16 is loaded in the magazine body 17, the steel strip storage section 2
The outer surface 36 of 9 and the inner surface 4 of the magazine cover 41
A part of the magazine cover lock 45 is inserted between the magazine cover 41 and the magazine body 17 to function as a spacer, and the upper part 41a of the magazine cover 41 closes the loading opening 25 of the magazine body 17. When a part of the magazine cover lock 45 is pulled out to the rear of the screw magazine body 17, the magazine cover 41 is rotated clockwise by the restoring force of the torsion coil spring 44 so that its upper part 41a opens the loading opening 25. be done.

At the rear part of the magazine body 17 from the pivot bearing 38, and on one side wall 4 of the magazine body 17.
8 is provided with an arch-shaped release plate pin hole 46. This release plate pin hole 46
A release plate guide groove 49 is formed in a part of the outer surface 36 of the steel strip storage section 29 above the outer surface 36 in the transverse direction of the outer surface 36 . A rectangular release plate window 50 is bored in a part of the magazine body 17 above the release plate guide groove 49. This release plate window 50 is formed by opening a part of the lower part of the cartridge guide part 22 and the upper part of the screw neck lower guide part 27.

A push lock pin hole 47 is bored in a part of one side wall 48 of the magazine body 17 behind the release plate pin hole 46. The arcuate shape of the release pin hole 46 forms part of an arc centered on the push lock pin hole 47.

A rectangular slot 51 is formed at the rear of one side wall 48 of the magazine body 17 along the longitudinal direction of the magazine body 17 and extends from the rear end of the magazine body 17 to a portion corresponding to the front end position of the upper cover plate 24. . Two mounting holes 52 are bored near the rear end of the magazine body 17 to sandwich the slot 51 and fix the magazine body 17 to the bracket 15.

A slit 54 is formed in the other side wall 53 of the magazine body 17 in the longitudinal direction of the magazine body 17 from the front end to the rear end. A handle 55 of the pusher 34 moves within this slit 54.

Details of the structure of the pusher 34 are shown in FIGS. 1 and 10. The structure of this pusher 34 will be explained as follows. That is, the pusher 34 has each driving screw 1 of the connecting screw 16 at its upper end.
Head pushing part 5 for pushing the enlarged diameter head 18 of 9
6, and a screw head lower pressing portion 57 for pressing the lower neck portion 26 of each driving screw 19 is provided continuously to the head pressing portion 56. The head pushing portion 56 is inserted into the interior of the connecting cartridge 20 of the connecting screw 16 and presses only the enlarged diameter head portion 18 of each drive screw 19. The front surface 56a of the head pushing portion 56 is formed with a slight taper, so that the enlarged diameter head 1 of the driving screw 19
8 and the lower neck part 26, respectively, a head pushing part 56.
and is suitable for contacting the screw head lower pressing portion 57.

The upper surface 56b of the head pushing portion 56 of the pusher 34
An eject pin insertion hole 58 is formed by inserting the eject pin 59 into a part of the screw neck lower pressing portion 57 from the screw neck. As shown in FIG. 10, the eject pin 59 inserted into the eject pin insertion hole 58 has a tapered surface 60 formed at the upper end. The lower end surface 61 of the eject pin 59 is flat.
9 is inserted into the eject pin insertion hole 58 with a certain direction relative to the magazine body 17.
The front end 60a of the tapered surface 60 of the eject pin 59
is set to be lower than the rear end 60b of the tapered surface 60, so that the tapered surface 60 gradually rises from the front to the rear of the magazine body 17. The direction of the eject pin 59 is maintained by a loose fit between a stop pin 62 that intersects with the eject pin insertion hole 58 from the side of the screw neck lower pressing portion 57 of the pusher 34 and is inserted transversely of the eject pin insertion hole 58 and a stopper groove 63 formed in the rear side surface 59a of the eject pin 59. The eject pin 59 is constantly urged upward by an eject pin urging spring 64 of the compression coil spring type disposed in the eject pin insertion hole 58.

At the lower end of the screw neck lower pushing part 57, a locking shoulder 65 is recessed and formed at the front end of the lower end. On the other hand, at the lower end of the screw neck lower pushing part 57, a tapered surface 66 is formed on the rear side thereof, the tapered surface 66 gradually increasing in height from the front of the pusher 34 toward the rear. This tapered surface 66 is connected to the pusher 34.
When moving the pusher lock plate 67 to near the rear end of the screw magazine body 17, it engages a part of the pusher lock plate 67 and pushes the pusher lock plate 67 down (in Fig. 1, move the pusher lock plate 67 counterclockwise. pivot).

As already mentioned, the other end 3 of the steel band 31 constituting the pusher spring 30 is attached to the side surface 34a of the lower screw neck pusher 57.
1a is fixed. The magazine body 1 is inserted from the slit 54 into the side surface 34a of the screw head lower pressing portion 57.
A handle 55 is provided that protrudes to the outside of 7.

A pusher lock pin 68 that pivotally supports the pusher lock plate 67 is inserted into the pusher lock pin hole 47 . Push lock plate 6
Numeral 7 is located inside the screw magazine body 17, and as shown in FIGS. 1 and 10, has a substantially inverted V-shape and has a locking protrusion 69 at the upper end. A circular release plate pin hole 70 is bored in the front part of the pusher lock plate 67. On the other hand, a circular pusher lock pin hole 71 is bored at the rear of the pusher lock plate 67. The pusher lock plate 67 is pivoted at its rear by a pusher lock pin 68. A torsion coil spring 72 is wound around this push lock pin 68, one end 72a and the other end 72b of this torsion coil spring 72 protrude forward in the longitudinal direction of the magazine body 17, and one end 72a of the torsion coil spring 72 is It is hooked to the lower end side of the shell lock plate 67, and the other end 72b of the torsion coil spring 72 is hooked to the inner bottom surface 73 of the magazine body 17. As a result, the pusher lock plate 67 is constantly biased clockwise in FIG.

The release plate 74 is inserted into the release plate pin hole 70 of the pusher lock plate 67.
A release plate pin 78 for supporting the magazine body 17 is inserted into the release plate pin hole 46.

As shown in FIG. 10, the release plate 74 has a U-shaped connecting portion 75 in the center,
A connecting fastener contact portion 7 is provided at the upper end of this connecting portion 75.
6 are connected, and on the other hand, a working end 77 is connected to the lower end of the connecting part 75. A release plate pin insertion elongated hole 79 into which the release plate pin 78 is inserted is bored near the lower end of the working end portion 77 in correspondence with the release plate pin hole 46 and the release plate pin hole 70. The release plate pin insertion elongated hole 79 is elongated in the horizontal axis direction of the release plate 74, and allows slight movement of the release plate 74 in the longitudinal direction of the magazine body 17 in the front and back direction.

The contact portion 76 of the connecting fastener release plate pin 74 enters the inside of the cartridge guide portion 22 of the magazine body 17 through the release plate window 50, and the upper end surface 76a of the connecting fastener contact portion 76 is as shown in FIG. It can rise to the same height as the upper end surface 48a of one side wall 48 of the magazine main body 17 that constitutes the loading opening 25.

When the connecting screw 16 is loaded into the magazine body 17, the upper end surface 76a of the release plate 74 comes into contact with the lower end surface 20a of the connecting cartridge 20, and the connecting cartridge 20 is pushed down by the manual closing operation of the magazine cover 41. At the same time, it is pushed down to the position shown in FIG.

A magazine tail plate 80 is attached to the rear end of the magazine body 17 between one side wall 48 and the other side wall 53 of the magazine body 17. A spring receiving recess 81 is formed in the front end surface 80a of the magazine tail plate 80.

On the other hand, the magazine cover lock 45 that cooperates with the magazine tail plate 80 is composed of a rectangular parallelepiped-shaped lock block 82, a spring receiving block 83, and a connecting portion 84 that connects these blocks 82 and 83.

The lock block 82 protrudes to the outside of one side wall 48 of the screw magazine main body 17, and its width is the same as that of the inner surface 42 of the magazine cover 41 in the closed position and the outer side of the screw head lower guide portion 27, as shown in FIG. It is set equal to the distance between the sides. The front end 82a of the lock block 82 is connected to one side wall 48 of the magazine body 17 and the magazine cover 41.
It functions as a spacer.

The spring receiving block 83 moves inside the magazine body 17, and is formed with a U-shaped spring receiving groove 85 whose rear end is completely open. The front end of this spring storage groove 85 is closed by a front wall portion 86.

The connecting portion 84 moves along the slot 51.
The front end surface 84a of the connecting portion 84 and the front end surface 83a of the spring receiving block 83 constitute the same plane.

Spring receiving recess 8 of magazine tail plate 80
A compression coil spring 87 is interposed between the spring receiving block 83 and the front wall 86 of the spring receiving block 83. As shown in FIG. 3, when the compression coil spring 87 is fully extended, the front end surface 84a of the connecting portion 84 of the magazine cover block 45 is aligned with the front end 51 of the slot 51.
a, and the front end 82a of the lock block 82 is in contact with the magazine body 17 and the magazine cover 41.
The front end surface 83a of the spring receiving block 83 is not in contact with the rear end surface 34b of the pusher 34, as can be seen from FIG.

The functions and effects of the screw magazine 1 whose structure has been explained in detail above will be explained in relation to its usage. First, in FIG. 1, the pusher 34 is at the rear stop position with respect to the magazine body 17, and the locking shoulder 65 of the pusher 34 is engaged with the locking protrusion 69 of the pusher lock plate 67. In the pusher lock plate 67, the release plate pin 78 is inserted into the release plate pin hole 46.
By the time it comes into contact with the upper end, it has been rotated clockwise in FIG. 1 by the restoring force of the torsion coil spring 72.
As a result, the release plate 74 remains stationary at the uppermost end.

On the other hand, the magazine cover 41 is closed by manual closing operation.
completely closes the loading opening 25, the magazine cover lock 45 moves to the frontmost position by the restoring force of the compression coil spring 87, and the front end 82a of the lock block 82 is connected to the magazine cover 41 and one side wall 48 of the magazine body 17. This locks the magazine cover 41 from rotating.

On the other hand, the connecting portion 84 of the magazine cover lock 45
The front end surface 84a of the slot 51 is in contact with the front end 51a of the slot 51. However, the spring receiving block 8
3 front end surface 83a and rear end surface 34b of pusher 34
There is a slight gap left between them.

During this time, the pusher spring 30 is almost in the most expanded state, and the pulled out steel strip 31 is located in the steel strip storage section 29 of the magazine body 17.

When the operator pulls the pusher 34 further rearward (to the right in FIG. 1) from the state shown in FIG. Face 8
3a, and the magazine cover lock 45
is continuously retracted while compressing the compression coil spring 87. As a result, the lock block 82
The front end 82a of the magazine body 17 is pulled out from between the magazine cover 41 and one side wall 48 of the magazine body 17, and the magazine cover 41 is rotated clockwise in FIG. to open.

Even if the operator releases the handle 55 of the pusher 34 after the magazine cover 41 has rotated,
This pusher 34 is a pusher lock plate 67.
Because it is blocked by the locking protrusion 69, it moves forward a little in the longitudinal direction of the magazine body 17 and then stops. On the other hand, the magazine cover lock 45 also moves forward of the negative magazine body 17 due to the restoring force of the compression coil spring 87, but the front end 82a of the lock block 82 is blocked by the rear end surface 41a of the magazine cover 41, so that the magazine cover 41
and one side wall 48 of the magazine body 17.

In this state, as shown in FIG. 10, the connecting screw 16 is loaded into the magazine body 17 from above the magazine body 17 through the loading opening 25, and then the operator manually opens the magazine cover 41. Rotate the section 25 to close it.
As a result, the front end 82a of the lock block 82 of the magazine cover lock 45 is attached to the magazine cover 4.
1 and one side wall 48 of the magazine body 17 by the restoring force of the compression coil spring 87, and locks the magazine cover 41 with the loading opening 45 closed.

At the same time, the lower end surface 20a of the connecting cartridge 20 of the connecting screw 16 receives the force from the magazine cover 41 and pushes down the release plate 74 via the upper end surface 76a of the connecting fastener contact portion 76. Due to this downward movement of the release plate 74, in FIG.
The pusher lock plate 67 rotates counterclockwise, the locking protrusion 69 of the pusher lock plate 67 and the locking shoulder 65 of the pusher 34 are disengaged, and the pusher 34 is moved by the restoring force of the pusher spring 30. Move forward inside the magazine body 17 and push the connecting screw 16 from the rear end toward the front of the magazine body 17. With the above operations, preparation for driving the connecting screw 16 is completed.

When each driving screw 19 of the connecting screw 16 is continuously driven into the material to be driven (not shown), the pusher 34
The enlarged diameter head portion 18 and the lower neck portion 2 of the driving screw 19
6 while moving forward. At this time, Pushya 3
Since the eject pin 59 of No. 4 is formed so that its tapered surface 60 gradually increases in height from the front to the rear, the upper inner wall surface 20e of the connecting cartridge 20
The pusher 34 slides forward and does not interfere with the forward movement of the pusher 34.

A screw holding member 88 that connects the lower neck portions 26 of each driving screw 19 of the connecting screw 16 is made of synthetic resin, and is cut when each driving screw 19 is driven into a material to be driven. On the other hand, the connected cartridge 20 is
Nose block 32 cartridge stopper 89
Its front end 20f is fixed and remains within the cartridge guide portion 22 of the magazine body 17.

When each drive screw 19 of the connection screw 16 is driven in sequence, the pusher 34 moves forward within the magazine body 17, and the last drive screw 19 of the connection screw 16 is sent into the nose 10, the eject pin 59 is biased. The locking hole 2 is pushed up by the spring 64.
Jumps out from 0c. From this state, Pushya 34
When the eject pin 59 is pulled rearward via the handle 55, the rear side surface 59a of the eject pin 59 engages with the rear inner wall of the locking hole 20c, and the connecting cartridge 20 also moves rearward into the cartridge guide portion 22 together with the pusher 34. , pops out from the rear end of the magazine body 17. Pusher 34 to pusher lock plate 6
7, when the operator pulls out the connected cartridge cartridge 20 further toward the rear of the magazine body 17, the tapered surface 60 of the eject pin 59 causes the eject pin 59 and the locking hole 20 to close together.
c is disengaged, and the connected cartridge 20 is ejected from the magazine body 17. Magazine cover 4
1 and the opening operation are as described above.

Do not load the connecting screw 16 into the magazine body 17 while the magazine cover 41 is open.
When the magazine cover 41 is manually closed, the magazine cover lock 45 moves forward due to the restoring force of the compression coil spring 87 and locks the magazine cover 41 in the closed state. However, the upper part 41a of the magazine cover 41 is
6a, the release plate 74 is not pushed down, and therefore the push lock plate 67 also remains stationary at its uppermost end. Therefore, the pusher 34 engages with the pusher lock plate 67 and remains in a stopped state.

In the above embodiments, the fasteners are screws, but the present invention can be applied to nails or other pins as long as the fasteners use a connecting cartridge.

As described above, according to the fastener magazine of the present invention, the magazine cover opens automatically when the pusher is pulled to the rear end of the fastener magazine, and is completely closed so that it does not open while the pusher performs its original operation. Since the fasteners are locked, operability is improved, and a fastener magazine in which the connecting fasteners do not fly out during driving work etc. can be obtained.

[Brief explanation of the drawing]

Figure 1 is a partial vertical sectional view of a pneumatic screw driving machine incorporating a screw magazine, which is an embodiment of the present invention;
The figure is a right side view of the screw magazine, FIG. 3 is a bottom view of the screw magazine, FIG. 4 is a sectional view taken along line - in FIG. 1, and FIG. 5 is a - line sectional view in FIG. 1.
6 is a sectional view taken along the - line in FIG. 1, FIG. 7 is a sectional view taken along the - line in FIG. 1, showing the state in which the connecting screw is loaded, and FIG. A sectional view of the screw magazine showing the same cross section but with no connecting screws loaded, FIG. 9 is a sectional view taken along the line - in FIG. 1, and FIG. 10 is an exploded perspective view of the screw magazine. . 1...Screw magazine, 2...Pneumatic screw driver, 16...Connection screw, 17...Magazine body,
25... Loading opening, 30... Pusher spring,
31... Steel band, 34... Pusher, 34b... Rear end surface, 41... Magazine cover, 41a... Upper part, 44... Torsion coil spring, 45... Magazine cover lock, 48... One side wall, 51... Slot, 51a... Front end, 53... Other side wall, 82...
Lock block, 82a...front end, 83...spring receiving block, 84...connecting portion, 87...compression coil spring.

Claims (1)

[Scope of utility model registration request] The magazine has a pusher inside the magazine body that is movable along the longitudinal direction of a straight sheath-shaped magazine body, is always elastically biased forward in the longitudinal direction, and sends the connected fasteners. The upper end of the main body has a loading opening for loading the connected fastener into the magazine main body, and the main body is pivoted to one side wall of the magazine main body so as to open and close the loading opening. The magazine cover has an L-shaped cross section, and the magazine cover has a resilient member disposed to constantly bias the loading opening in a direction to open the loading opening. A magazine cover lock is provided at the rear end of the magazine body, and this magazine cover lock enters between the end surface that contacts the pusher and the magazine side wall below the pivot point of the magazine cover in the forward position and the magazine cover. a lock block for holding the magazine cover in the closed position; the pusher has an end surface that presses against the end surface of the magazine cover block; and a shoulder that engages with a pusher plate for holding the pusher in the rear end position. A fastener magazine of a fastener driving tool, characterized by having a portion.