JP3034397U - Elastic band controller - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To provide an elastic band control device capable of adjusting left-right, front-rear, and up-down positions. SOLUTION: A restraining member 4 is arranged in the front part of a fixed plate 1.
An opening 7 formed by the hook-shaped arm 2 and the cradle 3 of the restraining body 4.
The cantilever 8 and the fixed arm 9 are arranged in the. A rectangular body 13 is arranged at the front part of the other end of the cantilever 8. Rectangular body 13
The connecting table 15 is arranged at the front part of the. By horizontally moving the screws 6a and 6b along the long holes 5a and 5b of the fixed plate 1, the position of the restraining member 4 in the left-right direction with respect to the fixed plate 1 is adjusted to the most appropriate point. The screws 11a and 11b are moved in the front-rear direction along the vertical holes 10a and 10b of the pedestal 3,
The position of the fixed arm 9 in the front-rear direction with respect to the cradle 3 is adjusted to the most suitable point. The screws 16a and 16b are moved in the vertical direction along the long holes 14a and 14b of the rectangular body 13 to adjust the vertical position of the connecting base 15 with respect to the rectangular body 13 to a point of the most suitable height.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to an elastic band control device, which is fixed to the lower part of the sewing machine so that the sewing machine can easily sew products such as swimming wear, pants, and athletic clothing having an elastic band. For this reason, the left, right, front and back, and up and down positions can be adjusted to easily pull the device out of the sewing part of the sewing machine.In addition, this device has the elastic band In order to prevent sliding to the left or sliding to the right, the elastic band is immediately responsive to the difference in the thickness of the left and right, and the product with the elastic band having the above structure is sewn. , An elastic band controller that improves production capacity and quality.

[0002]

[Prior art]

 Generally, a sewing machine is mainly used to sew products together. When sewing a product with an elastic band, as shown in FIG. 18, a mechanical or motor type elastic band control device for tightening the elastic band 34 on the sewing machine body 33 is used. The elastic band control device 35 controls the length of the elastic band 34 that is contracted in combination with the elastic strength actually required.

However, the one shown in FIG. 18 does not have a function for adjusting the elastic band control device 35 to the left, right, front, rear, up and down and a function for moving the elastic band control device 35, so that it is inconvenient to sew a product having the elastic band 34. It was

Further, since there are many kinds of elastic bands 34, and the left and right thicknesses of the elastic bands 34 do not match, if the left side of the elastic band 34 is thicker than the right side thereof, the elastic band 34 is controlled by the elastic band controller 35. After the roller 36, the elastic band 34 slides in the direction of the right side because the amount of force received by the elastic band 34 is not equal, and when the right side of the elastic band 34 is thicker than the left side, the elastic band 34 is on the left side. The elastic band 34 could not be fed to the exact position of the sewing portion of the sewing machine body 33 by the roller 36 of the elastic band controller 35.

[0005]

[Problems to be solved by the device]

 The object of the present invention is to solve the above-mentioned problems by moving two screws horizontally along the two long holes of the fixing plate, so that the checker together with the two screws moves left and right with respect to the fixing plate. Move in the direction and adjust the position of the restraint body in the left-right direction with respect to the fixing plate to the most suitable point, and cross the fixing plate's left-right direction along the two vertical holes of the two screw receiving bases. The fixed arm moves along with the two screws in the front-rear direction that intersects the left-right direction of the fixing plate with respect to the pedestal, and the position of the fixed arm in the front-rear direction with respect to the pedestal is adjusted to the most suitable position. Then, the two screws are moved vertically along the two elongated holes of the rectangular body, and the connecting base moves vertically with respect to the rectangular body together with the two screws to face the rectangular body of the connecting base. Adjust the vertical position to the most suitable height, and the stop wheel of the hook-shaped arm of the restrainer cantilevers. The cantilever is locked by hooking the retaining wedge at the upper part of the cantilever, and the cantilever is locked to the hook-shaped arm of the checker via the retaining wedge, and the cantilever is manually held by the bolt as the fulcrum. It swings so that it pulls forward from the opening between the arm and the pedestal, and the stop wedge moves forward as the cantilever swings, stopping the stop wheel on the hook-shaped arm. With the movement of the wedge, it escapes slightly upward while resisting the biasing force of the leaf spring, unlocking the hook-like arm of the checker by the stop wheel of the cantilever, and releasing the pair of rollers and the two guide rods. An object of the present invention is to provide an elastic band control device that can be pulled apart from the sewing portion of the sewing machine together with the connecting base while the cantilever swings.

[0006]

[Means for Solving the Problems]

 In the elastic band control device of the present invention, a restraint body having a hook-shaped arm and a pedestal is provided in the front part of the fixing plate so as to be movable and fixable in the left and right directions, and the fixing plate is provided along the horizontal direction. Two long holes spaced apart are provided respectively, two screws are separately inserted into the two long holes of the fixing plate, and the restraining member is fixed to the front part of the fixing plate by two screws, The hook-shaped arm and the pedestal of the restrainer form an opening that opens toward the front, and a cantilever and a fixed arm are provided in the openings of the hook-shaped arm and the pedestal in the left-right direction of the fixing plate. The cantilevers are arranged so that they can be moved and fixed freely in the front-rear direction intersecting with, and the cantilevers are arranged above the fixed arms, and are parallel to each other along the front-rear direction that intersects the left-right direction of the fixing plate on the cradle. 2 vertical holes are provided respectively, and 2 vertical holes are provided in the 2 vertical holes of the pedestal. The fixed arm is fixed to the upper part of the pedestal with two screws, one end of the cantilever is pivotally joined to one end of the fixed arm with a bolt, and the other end of the cantilever is inserted. A rectangular body is arranged in the front part, two long holes parallel to each other are provided in the rectangular body in the vertical direction, and a connecting base is arranged in the front part of the rectangular body so as to be vertically movable and fixable. Then, two screws are separately inserted into the two long holes of the rectangular body, the connecting base is fixed to the front part of the rectangular body by the two screws, and the extension formed on one side of the connecting base. A pair of rollers and two guide rods that are close to each other due to the elasticity of the fixture are provided at the tip of the projecting portion, and the two guide rods are arranged above the pair of rollers, and the hook-shaped arm is provided. A stop wheel is provided on the bottom of the hook so that it can be pulled in and out. The leaf spring is provided for biasing towards the stop wheel part downward, and has a structure which is characterized in that a said stop wheel and disengageably the stop wedge on top of the cantilever.

First, when the two screws are moved horizontally along the two elongated holes of the fixing plate, the checker moves in the left-right direction with respect to the fixing plate together with the two screws, and the fixing plate of the checker is moved. Adjust the left and right position with respect to the most appropriate position.

When the two screws are moved in the front-back direction along the two vertical holes of the pedestal so as to intersect with the left-right direction of the fixing plate, the fixing arm together with the two screws moves the fixing plate of the fixing plate with respect to the pedestal. Move in the front-back direction that intersects the left-right direction, and adjust the position of the fixed arm in the front-back direction with respect to the cradle to the most appropriate position.

Further, when the two screws are moved in the vertical direction along the two elongated holes of the rectangular body, the connecting base moves vertically with respect to the rectangular body together with the two screws, and the rectangular shape of the connecting base. Adjust the vertical position of your body to the most appropriate height.

[0010] Furthermore, the hooking wheel of the hook-like arm of the restrainer hooks and locks the catching wedge on the upper portion of the cantilever, and the cantilever is stopped by the catching wheel through the wedge to the hook-like arm of the restraining body. Lock it.

Further, when the cantilever is swung so that the cantilever is pulled out forward from the opening of the hook-shaped arm of the checker and the pedestal with the bolt as the fulcrum by hand, the stop wedge moves forward while swinging the cantilever. The stop wheel of the hook-shaped arm escapes slightly upward while resisting the biasing force of the leaf spring as the stop wedge moves, and the stop wheel of the cantilever moves against the hook-shaped arm of the restrainer. Release the lock and pull the pair of rollers and the two guide rods from the sewing part of the sewing machine together with the connecting base as the cantilever swings.

[0012]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

In FIG. 1, reference numeral 1 is a fixed plate, and a checkerboard provided with a hook-shaped arm 2 and an L-shaped pedestal 3 at a front portion of the fixed plate 1 as shown in FIGS. 2 and 3. The body 4 is arranged so that it can be moved and fixed in the left-right direction, and the fixed plate 1 is provided with two long holes 5a, 5b spaced apart along the horizontal direction, as shown in FIG. Two screws 6a and 6b are separately inserted from the rear into the two long holes 5a and 5b of the fixed plate 1, and the restrainer 4 is fixed to the front part of the fixed plate 1 by the two screws 6a and 6b. ing.

As shown in FIGS. 2 and 3, the hook-shaped arm 2 and the L-shaped pedestal 3 of the restraining member 4 form an opening 7 that opens toward the front.

As shown in FIGS. 1 and 3, a cantilever 8 and a fixed arm 9 are provided on the left and right sides of the fixed plate 1 in the opening 7 of the hook-shaped arm 2 and the L-shaped receiving base 3 of the restrainer 4. The cantilevers 8 are arranged above the fixed arms 9 as shown in FIG. 5, and the cantilever 8 is arranged on the L-shaped cradle 3 of the restrainer 4 as shown in FIG. As shown in FIG. 6 and FIG. 7, two vertical holes 10a, 10b which are parallel to each other are provided along the front-rear direction intersecting the left-right direction of the fixed plate 1, and the two vertical holes 10a, 10a of the cradle 3 are provided. Two screws 11a and 11b are separately inserted from below at 10b, and a fixed arm 9 is fixed to an upper part of the pedestal 3 by two screws 11a and 11b. One end of the fixed arm 9 has a cantilever 8a. One end of the is pivot-jointed by one bolt 12.

As shown in FIG. 1, a rectangular body 13 is arranged at the front part of the other end of the cantilever 8, and the rectangular body 13 is parallel to each other in the vertical direction as shown in FIG. Two long holes 14a and 14b are provided respectively.

As shown in FIG. 1, a connecting base 15 is arranged at the front of the rectangular body 13 so as to be vertically movable and fixed, and the two elongated holes 14 a and 14 b of the rectangular body 13 have: As shown in FIGS. 2 and 3, two screws 16a and 16b are separately inserted from the rear side, and the connecting base 15 is fixed to the front part of the rectangular body 13 by the two screws 16a and 16b.

As shown in FIGS. 1 and 2, a pair of rollers 19 a and 19 b and two rollers 19 a and 19 b that are close to each other due to the elasticity of the fixture 18 are provided at the tip of the extending portion 17 formed on one side of the connecting base 15. Guide rods 20a and 20b are provided respectively, and as shown in FIG. 3, two guide rods 20a and 20b are arranged above the pair of rollers 19a and 19b.

As shown in FIG. 5, a stopper wheel 21 is provided on the hook-shaped arm 2 of the restraint member 4 so as to be able to project and retract downward, and at the upper part of the hook-like arm 2 of the restraint member 4. A leaf spring 22 is provided for urging the stop wheel 21 downward.

As shown in FIGS. 2 and 5, on the upper portion of the cantilever 8, there is provided a stop wheel 21 and a stop wedge 23 that can be engaged and disengaged.

As shown in FIG. 5, a retaining wedge 23 on the upper portion of the cantilever 8 is hooked and locked to the retaining wheel 21 of the hook-shaped arm 2 of the restraining body 4, and the cantilever 8 is intervened via the retaining wedge 23. It is locked to the hook-shaped arm 2 of the restraint body 4 by a stopper wheel 21.

In the vicinity of the center of the upper surface of the L-shaped pedestal 3 of the restraining member 4, as shown in FIGS. 7 and 8, a slender body protruding upward along the front-rear direction intersecting the left-right direction of the fixed plate 1. The convex portion 24 is formed.

As shown in FIGS. 2 and 3, a fixed arm 9 is disposed above the L-shaped cradle 3 of the restrainer 4, and a fixed arm 9 is provided near the center of the bottom surface of the fixed arm 9 as shown in FIG. As shown in FIG. 10, an elongated recessed groove 25 that opens downward along the front-rear direction intersecting the left-right direction of the fixing plate 1 is formed, and in the recessed groove 25 of the fixed arm 9, the protrusion 24 of the pedestal 3 is formed. Are fitted.

The roller 19a of the pair of rollers 19a and 19b is connected to a power gear (not shown), and the roller 19b is connected to a driven gear (not shown) that meshes with the power gear. As shown in FIG. 12, the axis 26 of the roller 19b has an angle .theta. With the axis 27 of the roller 19a, and the axis 26 of the roller 19b is moved non-concentrically with respect to the axis 27 of the roller 19a. There is.

As shown in FIG. 11, the roller 19b is provided with a roller shaft 28 along an axis 26 having an angle θ with the axis 27 of the roller 19a.

The elastic band control device according to the embodiment of the present invention is attached to the sewing machine by fixing the fixing plate 1 to the lower part of the sewing machine body 29 as shown in FIG. The arm 9, the rectangular body 13, the connecting base 15, the pair of rollers 19a and 19b, and the two guide rods 20a and 20b are attached to the sewing machine body 29 together with the fixed plate 1.

As shown in FIG. 13, the elastic band 30 is guided to the sewing portion of the sewing machine body 29 after passing the two guide rods 20a and 20b and then passing between the pair of rollers 19a and 19b. Be pulled.

The two guide rods 20 a and 20 b guide the elastic band 30 between the pair of rollers 19 a and 19 b, and the pair of rollers 19 a and 19 b attach the elastic band 30 to the sewing portion of the sewing machine body 29. send.

When the elastic band 30 is first drawn between the pair of rollers 19a and 19b, the fitting 18 is pressed by the fingers of the hand to open the gap between the pair of rollers 19a and 19b, and then the elastic band 30 is pulled. The band 30 is pulled between the pair of rollers 19a and 19b after passing through the two guide rods 20a and 20b.

After that, when the fingers of the hand are released from the attachment 18, the pair of rollers 19a and 19b lean toward each other due to the elasticity of the attachment 18, and the elastic band 30 is sandwiched by the pair of rollers 19a and 19b.

Next, the operation of this embodiment will be described.

After loosening the two screws 6a and 6b for fixing the restraining member 4 to the front portion of the fixing plate 1, the two screws 6a and 6b are provided along the two long holes 5a and 5b of the fixing plate 1. When the checker 4 is moved in the horizontal direction, the checker 4 moves in the left-right direction with respect to the fixed plate 1 together with the two screws 6a and 6b, and the position of the checker 4 in the left-right direction with respect to the fixed plate 1 is changed to the fixed plate 1. One slot 5a, 5b and two screws 6a, 6b can be adjusted to the most suitable point.

In addition, after loosening the two screws 11 a and 11 b for fixing the fixed arm 9 to the upper part of the L-shaped receiving base 3 of the restrainer 4, the two screws 11 a and 11 b are received by the restrainer 4. When moving along the two vertical holes 10a, 10b of the base 3 in the front-rear direction intersecting the left-right direction of the fixed plate 1, the fixed arm 9 together with the two screws 11a, 11b, the receiving base 3 of the restraining member 4 On the other hand, the fixed plate 1 is moved in the front-rear direction intersecting the left-right direction, and the concave groove 25 of the fixed arm 9 is engaged with the convex portion 24 of the pedestal 3 of the checker 4 while intersecting the left-right direction of the fixed plate 1. The fixed arm 9 moves in a stable state in the front-rear direction, and the position of the checker 4 in the front-rear direction with respect to the pedestal 3 causes the vertical arm 10a, 10b and the two screws 11a, 11b of the pedestal 3 to move to the maximum position. Can also be adjusted to an appropriate point.

Further, after loosening the two screws 16a and 16b for fixing the connecting base 15 to the front portion of the rectangular body 13, the two screws 16a and 16b are fixed to the two long holes 14a and 14b of the rectangular body 13. When it is moved vertically along the vertical direction, the connecting base 15 moves vertically with respect to the rectangular body 13 together with the two screws 16a and 16b, and the vertical position of the connecting base 15 with respect to the rectangular body 13 is changed to the rectangular body. It is possible to adjust the position to the most suitable height by using the two long holes 14a and 14b of 13 and the two screws 16a and 16b.

The cantilever 8 is swung counterclockwise in FIG. 1 by hand with the bolt 12 as a fulcrum so that the cantilever 8 is pulled out forward from the opening 7 of the hook-shaped arm 2 of the restraining body 4 and the L-shaped receiving base 3. When it moves, the stop wedge 23 moves forward while the cantilever 8 swings, and the stop wheel 21 of the hook 2 of the arm 2 resists the urging force of the leaf spring 22 as the stop wedge 23 moves. It escapes slightly upward, and the lock on the hook-shaped arm 2 of the restraining body 4 by the stop wheel 21 of the cantilever 8 is released, and as shown by the chain line in FIG. The guide rods 20a and 20b can be separated from the sewing portion of the sewing machine body 29 together with the connecting base 15 as the cantilever 8 swings.

For example, when threading the needle of the sewing part of the sewing machine, if a pair of rollers and two guide rods are pulled together with the connecting base from the sewing part of the sewing machine, it is convenient to thread the thread through the needle. Wear.

Further, the cantilever 8 is swung in the clockwise direction in FIG. 4 by pushing it by hand with the bolt 12 as a fulcrum toward the opening 7 of the hook-shaped arm 2 of the restraining body 4 and the L-shaped receiving base 3. When moving, the stop wedge 23 moves rearward toward the stop wheel 21 of the hook-shaped arm 2 of the checker 4 as the cantilever 8 swings, and the stop wheel 21 of the hook-shaped arm 2 moves. With the movement of 23, it escapes slightly upward against the biasing force of the leaf spring 22, and the stop wedge 23 passes under the stop wheel 21 of the hook-shaped arm 2.

After that, the leaf spring 22 urges the stop wheel 21 of the hook-shaped arm 2 of the restraining member 4 downward, and a part of the stop wheel 21 is urged by the leaf spring 22 to cause the hook-shaped arm 2 to move. As shown in FIG. 5, the retaining wheel 21 of the hook-shaped arm 2 hooks and locks the retaining wedge 23 on the upper portion of the cantilever 8 to stop the cantilever 8 via the retaining wedge 23. The pair of rollers 19a and 19b and the two guide rods 20a and 20b are locked to the hook-shaped arm 2 of the restraint body 4 by the wheels 21 and the cantilever 8 is swung, and the sewing machine body 29 of the sewing machine body 29 together with the coupling base 15 is rocked. It can be exposed near the sewing part.

Further, when the power gear (not shown) is rotated, the driven gear (not shown) rotates while meshing with the power gear, and the axis 26 of the roller 19b connected to the driven gear is connected to the power gear. The roller 19a moves non-concentrically with respect to the axis 27 of the roller 19a, and as shown in the figure, the gap between the pair of rollers 19a and 19b is changed in accordance with the difference in the left and right thickness of the elastic band 30. Does not slide leftward or rightward between the pair of rollers 19a and 19b, so that the elastic band 30 is sewn directly on the sewing machine machine body 29 by the pair of rollers 19a and 19b. Can be sent to a position.

Since the pair of rollers 19a, 19b immediately responds to the difference in the left and right thickness of the elastic band 30, it is possible to prevent the elastic band 30 from coming out from between the pair of rollers 19a, 19b.

FIG. 14 shows another embodiment of the present invention. As shown in FIG. 15, the L-shaped pedestal 3 of the checker 4 extends along the left-right direction of the fixing plate 1. Parallel tooth rows 31 are formed.

As shown in FIGS. 16 and 17, on the bottom surface of the fixed arm 9, a tooth row portion that is parallel to the left and right direction of the fixed plate 1 and that meshes with the tooth row portion 31 of the cradle 3 of the restraining body 4. 32 are formed.

Next, the operation of the other embodiment will be described.

After loosening the two screws 11 a and 11 b for fixing the fixed arm 9 to the upper portion of the L-shaped receiving base 3 of the restraining body 4, the two screws 11 a and 11 b are fixed to the receiving base 3 of the restraining body 4. When moving in the front-back direction intersecting the left-right direction of the fixed plate 1 along the two vertical holes 10a, 10b of the fixed plate 9, the fixed arm 9 together with the two screws 11a, 11b is fixed to the pedestal 3 of the checker 4 with respect to the fixed plate. 1 moves in the front-rear direction intersecting with the left-right direction of the fixed arm 9, and the tooth row portion 30 of the fixed arm 9 meshes with the tooth row portion 29 of the pedestal 3 of the checker 4 in the front-rear direction intersecting the left-right direction of the fixed plate 1. It moves slightly toward the pedestal 3 of the restraining body 4 of the restraining body 4 of the fixed arm 9 in a stable state, and by the two vertical holes 10a and 10b of the pedestal 3 and the two screws 11a and 11b. It can be adjusted to an appropriate point.

The elastic band controller of the present invention can be effectively applied to elastic bands of various widths and sizes, and the elastic band controller can be attached to the sewing machine of various machines.

[0046]

[Effect of the invention]

 As described above, according to the elastic band control device of the present invention, since the restraint member is fixed to the front part of the fixing plate by the two screws, the two screws are provided along the two long holes of the fixing plate. The checker can move horizontally with respect to the fixed plate together with the two screws, so adjust the horizontal position of the checkered device with respect to the fixed plate to the most appropriate point. Since the fixed arm is fixed to the upper part of the pedestal by two screws, it is possible to move the two screws along the two vertical holes of the pedestal in the front-back direction intersecting with the left-right direction of the fixing plate. Since the fixed arm moves with the two screws in the front-rear direction that intersects the left-right direction of the fixing plate with respect to the pedestal, the position of the fixed arm in the front-rear direction with respect to the pedestal is adjusted to the most suitable point. It is possible to connect the connecting base to a rectangular body with two screws. Since it is fixed to the part, the two screws can be moved vertically along the two elongated holes of the rectangular body, and the connecting base moves vertically with respect to the rectangular body together with the two screws. The vertical position of the connecting base with respect to the rectangular body can be adjusted to the most appropriate height.

Further, since the retaining wheel of the hook-shaped arm of the restrainer hooks and locks the retaining wedge on the upper portion of the cantilever, the cantilever is stopped by the retaining wheel with respect to the hook-like arm of the restrainer. Can be locked.

Further, when the cantilever is swung so that the cantilever is pulled out forward from the opening of the hook-shaped arm of the restraining body and the pedestal with the bolt as a fulcrum by hand, the stop wedge moves forward as the cantilever swings. Since it moves toward the side, the hook-shaped arm stop wheel can escape slightly upward while resisting the biasing force of the leaf spring as the stop wedge moves, and the cantilever stop wheel prevents Since the lock on the hook-shaped arm is released, the pair of rollers and the two guide rods can be separated from the sewing portion of the sewing machine together with the connecting base while the cantilever swings.

[Brief description of the drawings]

FIG. 1 is a perspective view of an elastic band control device showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view of FIG. 1;

FIG. 3 is a left side view of a main part of FIG.

FIG. 4 is a cutaway plan view of a main part of FIG.

FIG. 5 is an enlarged side sectional view of a main part of FIG.

FIG. 6 is an exploded perspective view of a main part of FIG.

7 is a plan view of the pedestal of FIG.

FIG. 8 is a left side view of FIG. 7;

FIG. 9 is a plan view of the fixed arm shown in FIG.

FIG. 10 is a rear view of FIG.

FIG. 11 is a bottom view of a main part of FIG.

FIG. 12 is an enlarged view of the roller shaft of FIG.

FIG. 13 is a perspective view showing a state in which the elastic band control device according to the embodiment of the present invention is attached to a sewing machine.

FIG. 14 is a plan view of a pedestal according to another embodiment of the present invention.

FIG. 15 is a right side view of FIG.

FIG. 16 is a plan view of a fixed arm according to another embodiment of the present invention.

FIG. 17 is a right side view of FIG.

FIG. 18 is a perspective view of a sewing machine including a conventional elastic band control device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 fixed plate 2 arms 3 cradle 4 restrainers 5a, 5b long holes 6a, 6b screw 7 opening 8 cantilever 9 fixed arms 10a, 10b vertical hole 11a, 11b screw 12 bolt 13 rectangular body 14a, 14b long hole 15 connection base 16a, 16b Screw 17 Extension part 18 Fixture 19a, 19b Roller 20a, 20b Guide rod 21 Stop wheel 22 Leaf spring 23 Stop wedge 24 Convex portion 25 Recessed groove 26 Axis 27 Axis 28 Roller shaft 29 Sewing machine body 30 Elastic band 31 Teeth Row part 32 Tooth row part 33 Sewing machine body 34 Elastic band 35 Elastic band control device 36 Roller

 ─────────────────────────────────────────────────── ───Continued from the front page (72) Inventor Xue Chun Leu Taiwan Taipei Shen Xinchuan City Industrial Zone Uchi Second Road No. 6 Floor 1 (72) Inventor Xiao Chao Shin Taiwan Taipei Shen Xinchun City Hua Chen Road Lane 11 Array 41 Number 9

Claims (4)

[Utility model registration claims] 1. A checker including a hook-shaped arm and a pedestal is provided in the front part of the fixing plate so as to be movable and fixable in the left-right direction, and the fixing plate is spaced along the horizontal direction. Two long holes are provided respectively, and two screws are separately inserted into the two long holes of the fixing plate, the check body is fixed to the front part of the fixing plate by two screws, and The hook-shaped arm and the pedestal form an opening that opens toward the front, and the cantilever and the fixed arm are formed in the openings of the hook-shaped arm and the pedestal before and after crossing the left and right direction of the fixed plate. And the cantilever is disposed above the fixed arm, and the receiving base is provided with two vertical holes parallel to each other along the front-rear direction intersecting the left-right direction of the fixing plate. Each of them is provided, and two screws are separately inserted into the two vertical holes of the pedestal to attach the fixed arm. It is fixed to the upper part of the pedestal by two screws, one end of the cantilever is pivotally joined to one end of the fixed arm by a bolt, and a rectangular body is arranged at the front part of the other end of the cantilever. Two long holes parallel to each other are provided on the body in the vertical direction,
A connecting base is arranged at the front of the rectangular body so as to be vertically movable and fixable, and two screws are separately inserted into the two long holes of the rectangular body, and the connecting base is attached by two screws. The pair of rollers fixed to the front portion of the rectangular body and provided with one end of the extension formed on one side of the connecting base and the two guide rods that are close to each other by the elastic force of the fixture are provided. Guide rods are disposed above the pair of rollers, and a stop wheel is provided on the hook-shaped arm so as to be able to project and retract downward, and the stop wheel is urged downward on the upper part of the hook-shaped arm. The elastic band control device is characterized in that a leaf spring is provided, and a stop wedge that is detachable from the stop wheel is provided above the cantilever. 2. One of the pair of rollers is connected to a power gear, the other roller is connected to a driven gear that meshes with the power gear, and the axis of the other roller is the axis of the one roller. 2. The elastic band control device according to claim 1, wherein the elastic band control device has an angle with the axis of the other roller and is movable concentrically with respect to the axis of the one roller. 3. A convex portion is formed on one of the upper surface of the pedestal and the bottom surface of the fixed arm along the front-back direction intersecting the left-right direction of the fixing plate, and the upper surface of the pedestal and the bottom surface of the fixed arm are formed. The elastic band control device according to claim 1, wherein a groove is formed on either of the other sides of the fixing plate along a front-rear direction that intersects the left-right direction of the fixing plate and is fitted into the convex portion. 4. The elastic band control device according to claim 1, wherein tooth rows that are in parallel with each other are formed on the upper surface of the pedestal and the bottom surface of the fixed arm in parallel with each other in the left-right direction of the fixed plate.