JPH0750149Y2 - Control device for claw in winder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a claw control device for a winder, more specifically, a claw wheel having a claw wheel having teeth on its outer circumference and claws that mesh with the teeth. And a claw shaft that swingably supports the claw body,
Control of a pawl in a winder configured to transmit or release rotational power from the driving member side to the driven member side in only one direction by engaging and disengaging the pawl portion with the tooth portion due to swinging of the pawl body. Regarding the device.

(Prior Art) Conventionally, in a control device for a claw in a winder, a claw wheel having teeth on its outer circumference, a claw having a claw and a shaft hole meshing with the tooth, and a claw that is a shaft of the claw. And a toothed portion of the claw portion caused by swinging of the claw body, whereby rotational power from the driving member side to the driven member side is unidirectionally formed. Only to transmit or release transmission,
A torsion spring or the like is provided between the claw body and a frame supporting the claw shaft, and one end of this torsion spring is locked to the outer peripheral surface of the claw body and the other end is locked to the frame. The claw portion of the claw body is biased so as to always engage with the tooth portion of the claw wheel so that the rotational power from the driving member side to the driven member side can be transmitted in only one direction.

(Problems to be Solved by the Invention) However, in the above-mentioned conventional one, one end of the torsion spring is locked to the outer peripheral surface of the pawl body, so that an external force is applied to one end of the torsion spring during the load clamping work. There is a problem in that it may act and be damaged, and dust and mud may adhere to the torsion spring, impairing the durability of the spring.

Further, it is necessary to provide a space of at least one turn of the torsion spring between the claw body and the frame, which makes it impossible to make the device compact.

According to the present invention, the engagement state of the claw body with the tooth portion of the claw wheel is surely maintained so that the rotational power from the driving member side to the driven member side can be transmitted only in one direction, and the claw of the claw body can be transmitted. The disengaged position with respect to the tooth portion of the car can be reliably held, and when the disengaged position is returned to the engagement position with the tooth portion of the ratchet wheel, the claw body is forcibly rocked to cause the claw portion and the claw of the claw body. The teeth of the car are steadily and quickly engaged with each other, the switching between the disengagement position and the engagement position of the claw body with respect to the claw wheel is swiftly performed, and the claw of a compact winder that is not easily damaged and has good durability is used. An object is to provide a control device.

(Means for Solving the Problem) Therefore, the present invention provides a ratchet wheel (7) having teeth (71a) on the outer circumference.
1), the claw portion (72a) that meshes with the tooth portion (71a), and the shaft hole (7
2c) and a claw body (72) having a shaft hole (72).
c) and a claw shaft (73) that swingably supports the claw body (72). The claw body (72) swings to engage and disengage from the tooth part (71a) of the claw part (72a). A claw controller for a winding machine configured to transmit or release the rotational power from a member side to a driven member side in only one direction, wherein a recess (74) is formed on an outer peripheral surface of the claw shaft (73). Then, the contact body (75) is installed in the recess (74) so as to urge the contact body (75) outward in the radial direction through the elastic body (76), while the shaft hole (72c) of the claw body (72) is provided.
When the contact body (75) is fitted to the inner peripheral surface of the, the claw body (72)
A holding surface (77) having a concave shape for holding the tooth (71a) in a disengaged state, and adjacent to the holding surface (77), and in the circumferential direction from the inner peripheral surface of the shaft hole (72c). Indent in a curved shape,
A cam groove (79) having a cam surface (78) for forcibly swinging the claw body (72) to the engagement position with the tooth portion (71a) by the urging force of the contact body (75), It was provided with a body (75) capable of receiving.

(Operation) With the above configuration, the holding surface (77) of the contact body (75).
The contact body (75) slides smoothly on the curved cam surface (78) by the urging force of the elastic body (76) outward in the radial direction, that is, the claw is simply disengaged. The body (72) can rotate with respect to the claw shaft (73) to forcibly swing the claw portion (72a) of the claw body (72) to the engagement position with the tooth portion (71a), and The mating position can be reliably held by the engagement between the cam groove (79) and the contact body (75). Therefore, the rotational power can be reliably transmitted from the driving member side to the driven member side.

Further, by fitting the contact body (75) to the holding surface (77), the disengaged state of the claw portion (72a) of the claw body (72) from the tooth portion (71a) can be reliably maintained, and the driving member The transmission release state of the rotational power from the side to the driven member can be maintained.

Moreover, by providing the curved cam surface (78), the claw body (72) is moved by the biasing force of the elastic body (76).
Since it is possible to forcibly return to the engagement position with the tooth part (71a) of 1) and maintain the engagement position, rotational power from the drive member side to the driven member side can be transmitted in only one direction. However, the claw control device in the load clamp machine can be made compact, and the contact body (75) and the elastic body (76) are not exposed to the outside of the claw body (72). In the above, the contact body (75) and the elastic body (76) are not damaged by an external force, and mud or the like does not adhere to the contact body (75) and the elastic body (76), so that the durability is improved. .

(Embodiment) In FIG. 2 and FIG. 3, (1) is a pair of side plates (1a) (1b) which are provided facing each other at a predetermined interval, and a support rod which connects these side plates (1a) (1b). (1c) and a pawl shaft (73), which is a frame-shaped main body. The stationary belt (2) is fixed to the sleeve (1d) through which the supporting rod (1c) is inserted, and the pawl shaft (73) is fixed. On the other hand, on the outer side in the stretching direction of the side plates (1a) (1b), a winding shaft (4) for winding the adjustment side belt (3).
Is supported to rotate freely.

(5) is a lever having a U-shaped cross section, which comprises a pair of arms (51, 52) facing each other and a cylindrical grip (53) connected between one ends of these arms via bolts (54). (5)
The through holes (51a) (52a) are formed at the other ends of the arms (51) (52), and the through holes (51a) (52a) are formed.
The lever (5) is swingably supported on both ends of the winding shaft (4) protruding outward from the side plates (1a) and (1b) via a).

A mechanical brake (7) is provided between the lever (5) and the winding shaft (4) to transmit the power generated by the swing of the lever (5) to the winding shaft (4). The transmission mechanism (6) is interposed, and the transmission mechanism (6) is
As shown in FIGS. 2 and 4, a driven disk portion (41) extending outward in the radial direction of the winding shaft (4) is provided at an end of the winding shaft (4) on the side plate (1a) side. And a projecting shaft portion (1) having a large diameter screw groove (43) and a small diameter screw groove (44) from the driven disk portion (41) outward in the axial direction through a cylindrical portion (42). 45) are formed integrally with each other, while the feed claw (10a) or the return claw (10) of the transmission claw body (10) described later is formed.
A transmission member (8) having a gear portion (81) that engages and disengages with the b) is formed, and the transmission member (8) is screwed into the large-diameter thread groove (43) and the transmission member (8). ) And the driven disk portion (41), the tooth portion (71
a) is rotatably supported by a ratchet wheel (71) provided on the outer peripheral edge portion, and a reverse rotation preventing claw portion (72a) that is disengageably engaged with a tooth portion (71a) of the ratchet wheel (71). Body with nails (72)
Is supported by the side plate (1a) via a pawl shaft (73) to form a mechanical brake (7). The claw portion (72a) is formed thicker than the claw body (72).

Further, a fifth gap is provided between the free ends of the arms (51) (52).
As shown in the figure, a large diameter portion (90) is provided in the central portion to form the stepped support shaft (9), and both ends having a small diameter are inserted into a pair of arms (51) (52). This pivot shaft (9)
Between the large diameter part (90) and the arm (51), the transmission claw body having the feed claw (10a) and the return claw (10b) engageable with and disengageable from the gear part (81). (10) and washers (1
2) is provided so as to be swingable, and the swinging operation of the transmission claw body (10) causes the feed claw (10a) or the return claw (10b) to move as described above, for example, as shown in FIGS. 6 and 7. By engaging with the gear part (81) of the transmission member (8), the transmission member (8) is brought into a normal rotation or reverse rotation state.

Further, the through hole (51a) of the one side arm (51) of the lever (5) is inserted and supported on the outer side in the axial direction of the transmission member (8), and the washer (from the outer surface side of the lever (5) ( 13)
By screwing the nut (14) into the small-diameter thread groove (44) via the arm, the arm (51), that is, the lever (5).
Is rotatably supported on the transmission member (8). The rotation of the transmission member (8) enables the transmission member (8) to move axially by a certain amount with respect to the large-diameter thread groove (43).

In FIG. 3, (21) and (31) are hooking parts attached to the free ends of the fixed-side and adjustment-side belts (2) and (3).

Therefore, a concave portion (74) is formed on the outer peripheral surface of the pawl shaft (73), and the contact body (75) is biased radially outward through the elastic body (76) in the concave portion (74). On the other hand, the inner surface of the shaft hole (72c) of the claw body (72) is kept in contact with the contact body (75) to separate the claw body (72) from the tooth portion (71a). The holding surface (77) for holding and the contact body (75) continuous with the holding surface (77) can be inserted, and the claw body (72) is moved by the urging force of the contact body (75). A cam groove (79) having a circumferential cam surface (78) for forcibly swinging is provided at an engagement position with the tooth portion (71a).

Specifically, as shown in FIGS. 1 and 4, a large diameter portion (73a) with a flange is provided at one end of the pawl shaft (73), and the large diameter portion (73a) with the flange is formed on the side plate. The pawl shaft (73) is placed between the pair of side walls (1a) and (1b) so as to be located outside (1a), and a nut (73b) is fastened to the tip end of the pawl shaft (73). ) Is fixed between the pair of side walls (1a) (1b).
Incidentally, (73d) is a sleeve for holding the space between the pair of side plates (1a), (1b). And, in the large diameter portion (73a),
The claw body (72) provided with a shaft hole (72c) having an inner diameter approximately equal to the outer diameter of the large diameter portion (73a) is fitted. Also,
The large diameter portion (73a) is formed by boring the concave portion (74) that is recessed from the outer peripheral surface of the large diameter portion (73a) toward the center of the shaft, and has a spherical contact body (75) at the tip. (76) (hereinafter referred to as spring)
Is inserted into the recess (74) so that the contact body (75) goes outward from the outer peripheral surface of the large diameter portion (73a), while the inner peripheral surface of the shaft hole (72c) of the claw body (72) is inserted. The contact body (7
The concave holding surface (77) that the (5) contacts and the holding surface (7)
7) is provided with an engaging groove (79) having a continuous cam surface (78), and the contact body (75) is formed by the inner peripheral surface of the shaft hole (72c).
While pressing the spring (76), the recess (74)
It is pushed in and the contact body (7
5) is urged radially outward, that is, toward the inner peripheral surface side of the shaft hole (72c).

The present invention is configured as described above, and when it is used for a load clamping work, the hooking portion (21) of the fixed side belt (2) is used.
Is hooked on a hook-shaped engaging portion of, for example, a truck bed, and the belt (2) and the adjusting-side belt (3) are wound around the luggage, and the engaging portion (31) of the adjusting-side belt (3) is provided.
Is hooked on the hook-shaped locking portion of the cargo bed.

After that, with the free side of the adjustment belt (3) pulled and in a tensioned state, the operating portion (72) of the claw body (72) is pulled.
b) to operate the lever (5) while urging the claw part (72a) of the claw body (72) against the tooth part (71a) of the claw wheel (71). The power of the lever (5) is transmitted to the transmission member (8) through the transmission pawl (10) by reciprocating in the direction and the direction of the dotted arrow.

That is, as shown in FIG. 6, with the feed claw (10a) of the transmission claw body (10) engaged with the gear part (81),
While biasing the claw portion (72a) of the claw body (72) against the tooth portion (71a) of the ratchet wheel (71), the lever (5) is moved in the direction indicated by the solid line arrow in FIG. 3 and FIG. When the forward movement operation is performed, the feed claw (10a) of the transmission claw body (10) meshes with the gear portion (81), the rotational power of the lever (5) is transmitted to the transmission member (8), and the transmission member (8) is transmitted. Rotate (8). Then, the transmission member (8) is screwed in the direction of the driven disk portion (41), and the thrust due to this screwing causes the transmission member (8), the ratchet wheel (71) and the driven disk portion (41) to be integrated. Power of the transmission member (8) is transmitted to the winding shaft (4) to forcibly rotate the winding shaft (4), and the adjusting belt (3) is attached to the winding shaft (4). The load is clamped by being rolled up and pulling the belt (3).

Further, when the lever (5) is returned in the direction of the dotted line arrow in FIG. 3, the tooth portion (71a) of the ratchet wheel (71) and the pawl body (7).
When the adjusting belt (3) is tightly wound, the reverse rotation of the winding shaft (4) is prevented, and the feeding claw body (10) is fed. Nails (10a)
Only the lever (5) can rotate in the direction of the dotted arrow without sliding on the gear part (81) to rotate the transmission member (8).

Further, in the case of unloading work to unclamp the load, as shown in FIG. 7, the return claw (10b) of the transmission claw body (10) is engaged with the gear part (81), and While urging the claw portion (72a) of the claw body (72) against the tooth portion (71a) of the ratchet wheel (71), the lever (5)
When the forward movement is performed in the direction of the solid line arrow in FIG. 3, the return claw (10b) of the transmission claw body (10) slides on the gear part (81), and the transmission member (8) is not rotated. Only the lever (5) moves forward in the direction of the solid arrow, and when the lever (5) returns in the direction of the dotted arrow,
The return claw (10b) and the gear part (81) mesh with each other to reverse the transmission member (8) and screw the transmission member (8) away from the driven disc part (41). By unscrewing the transmission member (8), the ratchet wheel (71) and the driven disk portion (41), the winding shaft (4) is rewound by the amount of screwing back of the transmission member (8). It rotates in the reverse direction, and after reversing, it is integrated again. At this time, the engagement between the claw portion (72a) of the claw body (72) and the tooth portion (71a) of the ratchet wheel (71) stops further rotation of the winding shaft (4). Therefore, by repeating the reciprocating operation of the lever (5), the adjusting belt (3) wound around the winding shaft (4) is gradually pulled out and the belts (2) and (3) are loosened.

As a result, the winding shaft can be freely rotated, and it is possible to reliably prevent the luggage from being accidentally dropped due to the repulsive force against the tightening of the luggage that has been fastened by the belts, and the luggage to be accidentally dropped. . Therefore, the adjusting belt (3) thus wound around the winding shaft (4) can be pulled out gradually to loosen the belts (2) and (3), which is also used for unloading work of luggage. it can.

During the above work, the operating portion (72) of the claw body (72) is
By operating b), the claw portion (72a) of the claw body (72) is always biased against the tooth portion (71a) of the claw wheel (71). That is, the operating portion (72b) is slightly operated in the direction of the arrow (A) in FIG. 1 to move the holding surface (7) of the contact body (75).
When the contact body (75) is released from the contact surface (7), the contact body (75) is urged toward the inner peripheral surface of the shaft hole (1) by the spring (76). ), That is, the claw body (72) rotates in the direction of the arrow (A) with respect to the claw shaft (73), and the claw portion (72) is moved.
The a) is urged by the tooth portion (71a).

By thus biasing the pawl portion (72a) toward the tooth portion (71a), the rotation of the pawl wheel (71) in the direction of the arrow (B) in FIG. Rotation of the ratchet wheel (72) in the direction of the arrow (C) while allowing the claw portion (72a) to slide with respect to the tooth portion (71a) allows the claw portion (72a) of the claw body (72) to rotate. ) The tooth portion (71) of the ratchet wheel (72)
It can be reliably prevented by engaging with a). Therefore, even if the take-up shaft (4) tries to rotate in the direction of the dotted arrow in FIG. 3 due to the reaction force from the adjusting belt (3),
Reverse rotation of the winding shaft (4) can be reliably prevented during the load tightening work, and rotation of the winding shaft (4) in the direction of the dotted arrow above a certain level can be reliably prevented during the unloading work. . That is, the reciprocating operation of the lever (5) makes it possible to easily and safely carry out the work of tightening and unloading the load.

Further, the claw body (72) is brought into contact with the tooth portion (71) on the inner peripheral surface of the shaft hole (72c) of the claw body (72) by contact with the contact body (75).
Since the holding surface (77) for holding the separated state from (a) is provided, the holding member (75) is brought into contact with the holding surface (77) by operating the operating portion (72b), The tooth portion (71a) of the ratchet wheel (71) and the nail portion (72) of the nail body (72).
It can be held in a disengaged state with a). At this time, since the ratchet wheel (71) is free to rotate with respect to the pawl body (72), for example, the feed pawl (10) of the transmission pawl body (10) is
When the a) and the return claw (10b) are held in the neutral position where they are released from the gear part (81), the winding shaft (4) is allowed to rotate freely, and when the load is unfastened, the load The adjusting belt (3) can be freely pulled out from the winding shaft (4) when there is no risk of falling or when it is desired to quickly pull out the adjustment belt (3) from the winding shaft (4). , That is how easy it is to use.

Moreover, since the contact body (75) and the elastic body (76) are not exposed to the outside of the claw body (72), the claw control device in the load clamp machine can be made compact, and at the time of load tightening work, etc. In the contact body (75) and the elastic body (76)
Will not be damaged by external force, and mud, etc.
5) and the elastic body (76) are not adhered, and the durability is improved.

The biasing of the pawl body (72) to the ratchet wheel (71) has been described above, but in the present embodiment, the transmission pawl body (10) also biases the transmission member (8), As shown in FIGS. 9 and 9, between the large diameter portion (9a) of the pivot shaft (9) and the arm (51), the outer diameter of the pivot shaft (9) is almost the same. The transmission pawl body (1 provided with a shaft hole (10c) having an inner diameter
0) is fitted, and a recessed portion (74a) that is recessed from the outer peripheral surface of the pivot shaft (9) toward the center of the shaft at the portion where the transmission pawl body (10) is fitted is bored and formed. Insert a coil spring (76a) having a spherical contact body (75a) at its tip into the recess (74a) so that the contact body (75a) goes out from the outer peripheral surface of the pivot shaft (9). On the other hand, on the inner peripheral surface of the shaft hole (10c) of the transmission pawl body (10), the contact body (75a)
Holding surface (77a) that comes into contact with this holding surface (77a)
A first cam groove (79a) having cam surfaces (78a) continuous with the holding surface (77a) on both sides in the circumferential direction of a) and the holding surface (77).
The second cam groove (79) having a cam surface (78b) continuous with (a).
b) are provided at symmetrical positions, and the inner peripheral surface of the shaft hole (10c) pushes the contact body (75a) into the recess (74a) while pressing the spring (76a),
The contact body (75a) is urged radially outward by (a), that is, toward the inner peripheral surface of the shaft hole (10c). And Fig. 9 (a)
As shown in, the first cam groove (79a) of the contact body (75a)
When the lever (5) is moved forward in the direction of the solid line arrow in FIG. 3 by inserting it into the gear part (81) of the transmission member (8), the feed claw (10a) is meshed with the transmission member ( 8) is rotated in the direction of the solid arrow in FIG. In addition, as shown in FIG. 9B, the second cam groove (7) of the contact body (75a).
9b), the gear portion (81) of the transmission member (8) is moved when the lever (5) is moved in the direction of the dotted arrow in FIG.
The feed claw (10b) is meshed with and the transmission member (8) is rotated in the direction of the dotted arrow in FIG. 9 (b).

Further, although not shown, the holding surface (77) of the contact body (75a)
The feed claw (10a) and the return claw (10b) can be held in a disengaged state with respect to the gear part (81) by contact with a), and the transmission member can be connected to the transmission claw body (10). (8) can be put into a free rotation state.

Therefore, the feed claw (10a) and the return claw (10b) of the transmission claw body (10) are selectively engaged with the gear part (81) of the transmission member (8) to reciprocate the lever (5). By the operation, the transmission member (8) is moved in the direction of the solid arrow in FIG.
(B) It can be selectively rotated in the direction of the dotted arrow, and the feed claw (10a) and the return claw (10b) are simultaneously disengaged from the gear part (81). It can be held and the transmission member (8) can be freely rotated with respect to the transmission pawl (10).

In the embodiment shown in the drawings, the concave holding surfaces (77) and (77a) are provided on the inner peripheral surface of the shaft hole (72c) of the pawl (72) and the shaft of the transmission pawl (10), respectively. Although provided on the inner peripheral surface of the hole (10c), the inner peripheral surface of the shaft hole (72c) (10c) is retained on the holding surface (77) (77
In this case, in order to limit the rotation of the pawl body (72) and the transmission pawl body (10), it is preferable to provide a stopper (15) as shown in FIG. 2, for example.

Further, the winding shaft (4) is formed in a drum shape having insertion holes (40a) (40a) of the adjustment side belt (3) as shown in FIGS. 4 and 8, and the insertion hole (4) is formed. 40a) and (40a) are used to set the adjusting side belt (3) in a folded shape with respect to the winding shaft (4), and at this time, by selecting the folding position of the adjusting side belt (3). The length of the adjusting belt (3) can be adjusted to any length.

Further, as described above, the case in which the claw control device of the winder of the present invention is used in the load clamp is explained, but the present invention is applied to a wire tensioner, a lever type winder, etc. in addition to the load clamp. You may use.

(Effects of the Invention) Since the present invention is configured as described above, the following effects are achieved.

That is, a concave portion (74) is formed on the outer peripheral surface of the pawl shaft (73) that swingably supports the pawl body (72), and a contact body (75) and an elastic body (76) are formed in the concave portion (74). While being installed so as to be urged radially outward via the shaft hole (72c) of the claw body (72)
When the contact body (75) is fitted to the inner peripheral surface of the, the claw body (72)
A holding surface (77) having a concave shape for holding the tooth (71a) in a disengaged state, and adjacent to the holding surface (77), and in the circumferential direction from the inner peripheral surface of the shaft hole (72c). The contact body (75) can be inserted in a curved shape, and the claw body (72) is forcibly swung to the engagement position with the tooth portion (71a) by the urging force of the contact body (75). Cam groove (79) with circumferential cam surface (78)
And the holding surface (77) of the contact body (75).
The contact body (75) slides smoothly on the curved cam surface (78) by the urging force of the elastic body (76) outward in the radial direction, that is, the claw body is simply disengaged. (72) rotates with respect to the claw shaft (73) and the claw portion (72a) of the claw body (72)
Can be forcibly swung to the engagement position with the tooth portion (71a), and the engagement position can be surely held by the engagement of the cam groove (79) with the contact body (75). Rotational power can be reliably transmitted from the driving member side to the driven member side.

Further, by fitting the contact body (75) to the holding surface (77), the disengaged state of the claw portion (72a) of the claw body (72) from the tooth portion (71a) can be maintained, and It is possible to maintain the release state of the transmission of the rotational power to the driven member side.

In addition, by providing the curved cam surface (78), the claw body (72) is moved only by the urging force of the elastic body (76).
Since it is possible to forcibly return to the engagement position with the tooth portion (71a) and hold the engagement position, rotational power from the drive member side to the driven member side can be transmitted in only one direction, and Since the control device can be made compact and the contact body (75) and the elastic body (76) are not exposed to the outside of the claw body (72), the contact body (75) and the The elastic body (76) is not damaged by an external force, and mud or the like does not adhere to the contact body (75) and the elastic body (76), so that the durability is improved.

[Brief description of drawings]

FIG. 1 is an enlarged explanatory view of a main part of an engagement relationship between a claw body and a ratchet wheel, to which the present invention is applied, and FIG. 1 (a) shows an engaged state of the claw body and the ratchet wheel. FIG. 1 is a sectional view showing a disengaged state of the claw body and the ratchet wheel, FIG. 2 is a partially omitted plan view of the load clamp machine, FIG. FIG. 4 is a vertical plan view of the load clamp machine, FIG. 5 is an explanatory view showing a mounting state of the transmission claw body on the pivot shaft, FIG. 6 is an explanatory view showing a load clamp state of the transmission mechanism, and FIG. Is an explanatory view when the same load is released, FIG. 8 is an explanatory view showing a winding state of the adjusting belt around the winding shaft, and FIGS. 9 (a) and 9 (b) are enlarged views of other embodiments. FIG. (71) …… Claw wheel (71a) …… Tooth (72) …… Claw body (72a) …… Claw (72c) …… Shaft hole (73) …… Claw shaft (74) …… Concave (75) ) …… Contact body (76) …… Elastic body (77) …… Holding surface (78) …… Cam surface (79) …… Cam groove

Claims (1)

[Scope of utility model registration request] 1. A ratchet wheel (71) having teeth (71a) on its outer circumference.
And a claw portion (72a) that meshes with the tooth portion (71a) and a shaft hole (72
c) and a claw body (72) having the claw body (72) and a shaft hole (72
c) and a claw shaft (73) that swingably supports the claw body (72). The claw body (72) swings to engage and disengage from the tooth part (71a) of the claw part (72a). A claw controller for a winding machine configured to transmit or release the rotational power from a member side to a driven member side in only one direction, wherein a recess (74) is formed on an outer peripheral surface of the claw shaft (73). Then, the contact body (75) is installed in the recess (74) so as to urge the contact body (75) outward in the radial direction through the elastic body (76), while the shaft hole (72c) of the claw body (72) is provided.
When the contact body (75) is fitted to the inner peripheral surface of the, the claw body (72)
A holding surface (77) having a concave shape for holding the tooth (71a) in a disengaged state, and adjacent to the holding surface (77), and in the circumferential direction from the inner peripheral surface of the shaft hole (72c). Indent in a curved shape,
A cam groove (79) having a cam surface (78) for forcibly swinging the claw body (72) to the engagement position with the tooth portion (71a) by the urging force of the contact body (75), A device for receiving a body (75), the device for controlling a claw in a winder.