JP2009035328A - Band with winder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a band with a winder capable of conducting an operation of winding a load or the like rapidly, easily, safely and exactly. <P>SOLUTION: The band with a wider includes the band 10 and the winder 20 for housing the band 10 in a manner to freely winding and unwinding the band 10. The winder 20 includes an auto-return mechanism 30, a first changeover operating mechanism 40 and a second changeover operating mechanism 50. The auto-return mechanism 30 constantly gives tension to the band 10 in the winding direction. The first changeover operating mechanism 40 makes it possible to switch the winder 20 between an operating state of allowing winding of the band 10 and inhibiting unwinding of the band, and a free state of allowing winding and unwinding of the band 10. The second changeover operating mechanism 50 makes it possible to switch the winder 20 between an operating state of inhibiting winding of the band 10 and allowing unwinding of the band, and a free state of allowing winding and unwinding of the band 10. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to, for example, a band that bundles loads loaded on a pallet to prevent collapse, and particularly relates to a band with a winding device provided with a winding device.

Currently, various types of luggage are transported in warehouses by loading the pallets on cargo handling pallets, wrapping the wrapping film around the piled luggage and bundling them, then loading them on a truck and transporting them to the destination. .
However, it takes time to remove the wound wrap film. In addition, the amount of wrap film to be used is enormous, and most of the wrap film is discarded without being recycled. This leads to waste of resources and a large burden on the surrounding environment due to the discarded wrap film. was there.
Accordingly, the present applicants have developed a method for binding packages that can be used to bundle packages as easily as conventional films using a band that can be reused many times.
In addition, as a conventional method of binding luggage using a wrap film, there is a method as described in Patent Document 1, for example.
Japanese Patent Laid-Open No. 5-85504

  The present invention was made as part of the development of a method for binding packages using a band that can be used repeatedly, and the object of the present invention is to wind up the packages that can be bundled quickly and easily, more safely and reliably by hand. The object is to provide a band with a device.

In order to achieve the above object, the invention according to claim 1 is a band with a winding device including a band and a winding device that pulls out the band and stores the band in a retractable manner.
The winding device switches between an auto-return mechanism that always applies tension to the band in the pull-in direction, an operation state in which the band can be pulled in and prevented from being pulled out, and a free state in which the band can be pulled in and out freely. A first switching operation mechanism that enables the second switching operation mechanism that enables switching between an operation state that prevents the band from being pulled in and allows the band to be pulled out, and a free state that allows the band to be pulled out and pulled in freely; It is provided with.

The invention according to claim 2 is a band with a winding device including a band and a winding device that pulls out the band and stores the band in a retractable manner.
The winding device can be switched between an automatic return mechanism that always applies tension to the band in the pull-in direction, a free state in which the band can be pulled out and pulled out freely, and an operating state in which the band can be pulled in and prevented from being pulled out. And a first switching operation mechanism.

In the invention according to claim 3, the auto return mechanism includes a band shaft in which one end of the band is fixed and rotatably supported by the winding device body;
And a tension applying means for applying tension in a direction in which the band is always drawn with respect to the band axis.
According to a fourth aspect of the present invention, the band shaft is a hollow shaft having an irregular cross-sectional shape, and the tension applying means includes a shaft inserted into the hollow interior of the band shaft, and a spring attached to the shaft, and the spring One end of the spring is fixed to a moving collar attached to the shaft, and the other end of the spring is fixed to the shaft. The moving collar is relatively rotatable with respect to the shaft and is relatively movable in the axial direction. The inner periphery of the band shaft is relatively non-rotatable and is relatively movable in the axial direction, and the end of the shaft is engaged with the apparatus main body so as not to be relatively rotatable.

According to a fifth aspect of the present invention, the first switching operation mechanism includes a ratchet connected to a band shaft to which a band end is fixed, and a claw that is swingably supported by the apparatus body and can be engaged with and detached from the ratchet. And an operation lever provided with a configuration.
According to a sixth aspect of the present invention, the second switching operation mechanism includes a ratchet connected to a band shaft to which a band end is fixed, and a claw that is swingably supported by the apparatus main body and can be engaged with and detached from the ratchet. And an operation lever provided with a configuration.
The invention according to claim 7 is provided with a folding member that can be folded back by hooking the leading end portion of the pulled-out band, and on the other hand, it is possible to detachably fix a portion where the folded portion overlaps the band. The fixing means is provided.

According to the band with the winding device according to claim 1, an operation mode in which the band is pulled out and retracted is locked by the combination of the first and second switching operation mechanisms, and the band is locked. The operation mode can be selected from the operation mode in which the hand can be pulled out and cannot be pulled in, the operation mode in which the band cannot be pulled out and can be pulled in, and the operation mode in which the hand can be pulled out and pulled in.
For example, when pulling out the band from the winding device, the first switching operation mechanism and the second switching operation mechanism are set in a free state and pulled out by a predetermined length. At this time, if the second switching operation mechanism is switched to the operating state, it can be pulled out while maintaining the pulled-out state even when the urging force of the auto return is applied, so that the pulling operation is easy.
After the bag is wrapped and fixed appropriately, the band can be prevented from loosening by switching the first switching operation means and locking the drawer operation.
When removing the wound band, the first switching mechanism is operated to be in a free state, the band is removed from the load, and the band is pulled into the apparatus main body by the auto return mechanism. At this time, if the first switching operation mechanism is switched to the operating state, it can be prevented from being pulled out carelessly.
Thus, it can be used easily and easily as a part of the cargo handling device, and work efficiency can be improved.

As in the second aspect of the invention, only the first switching operation mechanism can be used for preventing the cargo from collapsing.
When the band is pulled out from the winding device, the band is not loosened if the first switching operation mechanism is set in a free state to be pulled out by a predetermined length, wrapped around the luggage and fixed appropriately, and then switched to the operation mode.
When removing the wound band, the first switching mechanism is operated to be in a free state, the band is removed from the load, and the band is pulled into the apparatus main body by the auto return mechanism.

According to the invention described in claim 3, after use, it is automatically pulled in by the urging force of the tension applying means, so that the working efficiency is high.
According to the fourth aspect of the present invention, as the tension applying means, the moving collar to which one end of the spring is fixed is configured to move in the axial direction with respect to the shaft. Even if the torsion amount of the spring fluctuates, the spring is smoothly expanded and contracted by the movement of the moving collar, and the band can be pulled out and pulled in smoothly.
According to the fifth and sixth aspects of the invention, the operation mode can be switched with a simple configuration by a combination of a ratchet and an operation lever, and the device configuration can be simplified.
According to the invention described in claim 7, when winding and tightening the baggage, both the first switching operation mechanism and the second switching operation mechanism are switched to the operating state, the band tip is hooked on the folding member and folded, It can be fastened and fixed with a predetermined tightening force. Therefore, an article having an arbitrary circumference can be fixed within the entire length of the band.

Hereinafter, the present invention will be described in detail based on illustrated embodiments.
2 to 4 show a band with a winding device according to Embodiment 1 of the present invention. 1 shows an entire band with a winding device, and the band 1 with a winding device has a configuration including a band 10 and a winding device 20 that pulls out and retracts the band 10. .
The winding device 20 includes an auto return mechanism 30 that always applies tension to the band 10 in the retracting direction, an operating state in which the band 10 can be retracted and prevented from being pulled out, and a free state in which the band can be pulled out and retracted freely. Can be switched between a first switching operation mechanism 40 that can switch between the first operation state, a second operation state that prevents the band 10 from being pulled out and can be pulled out, and a free state that allows the band to be pulled out and pulled out freely. A second switching operation mechanism 50 and a folding member 60 that can be folded by hooking the leading end portion of the drawn band 10 are provided.

As shown in FIG. 5, the band 10 is configured such that one end is fixed to the band shaft 31 of the auto return mechanism 30 and the other end is fastened by being folded back by a folding member 60, and the folded portion of the band 10 is wound around a luggage or the like. A planar fastener 11 is provided as fixing means for detachably fixing to the band portion.
The band 10 is a flexible long band that can be used repeatedly. One end in the longitudinal direction of the bendable band 10 is fixed to the band shaft 31 of the auto return mechanism 30 and the other end is connected to the other end. A tip plate 13 is connected via a member 12, and the tip plate 13 is folded by passing through a folding member 60 to tighten the band 10.

The planar fastener 11 is composed of an adhesive-side tape 111 and an adherend-side tape 112 that are detachably bonded to each other. In the description of this embodiment, the tape provided on the folded side is referred to as the adhesive side tape 111, and the tape provided on the portion where the folded portion is overlapped is referred to as the adherent side tape 112.
The adhesive side tape 111 and the adherent side tape 112 are fixed to the band main body 14 by sewing or the like, and the tension acting on the band main body 14 during winding acts from the adherent side tape 112 of the planar fastener 11 as a starting point. It will be.

  The band body 14 is a long flat band made of a woven fabric of high-strength fibers such as nylon and polyester, and is formed with a constant width over the entire length. Although the band body 14 slightly expands and contracts in the longitudinal direction, the band body 14 is basically not stretchable. However, it can be freely deformed in the bending direction, and can be wound following the shape of the load.

The fixed end 15 fixed to the band shaft 31 of the band body 14 is attached with a plurality of resin bands 16 such as polypropylene, for example, and is fixed to the band shaft 31 via the resin bands 16. The resin band 16 includes a shaft fitting portion 161 that is bent in a quadrangular shape in accordance with the outer peripheral shape of the band shaft 31, and an attachment piece portion 162 that is fixed to the band main body 14. Although the number of the resin bands 16 is arbitrary, in this example, it is provided in three places. Since the shaft fitting portion 161 has a quadrangular shape that matches the band shaft 31, the idling of the band shaft 31 can be prevented. Further, in order to prevent the band shaft 31 from slipping, the shaft fitting portion 161 is pressed by a pressing plate 17 fixed to the band shaft 31 with a screw or the like.
The fixed end 15 of the band main body 14 has the terminal folded back, and a core 151 made of a resin piece such as polypropylene is wrapped and sewn on the folded vertex. In addition, an attachment piece 162 of the resin band 16 is sewn and fixed to a folded portion 152 where the fabric is reinforced double. The core material 151 may be made of a hard resin material such as polyacetal, or a highly rigid member such as an aluminum material, in addition to the resin band 16 such as polypropylene.

The tip plate 13 is made of a hard resin material such as polyacetal or a highly rigid member such as an aluminum material. A rod-shaped member may be used as long as it is a highly rigid member, but in this embodiment, the folded member 60, the left and right end plates, and the band shaft 31 are flat plates having two long holes through which the connecting member 12 is inserted. The length and width are set so as to be able to pass through the space between the outer periphery of the band main body 14 wound around the band.
This connecting member 12 is also composed of a resin band such as polypropylene similar to the fixed end 15, folded in half and passed through a long hole in the tip plate 13, and fixed by sewing the terminal so that the tip of the band main body 14 is sandwiched between them. Is done. The front end portion 19 of the band main body 14 is also folded and sewn so that the core material 191 is wrapped around the folded vertex portion in a direction perpendicular to the length direction of the band 10. In addition, the end portion of the connecting member 12 is sewn and fixed to the folded portion 192 in which the fabric is double-reinforced. The core material 191 is composed of a hard resin material such as polyacetal or a highly rigid member such as an aluminum material.

The adhesive-side tape 111 constituting the planar fastener 11 includes a tape 111a attached to a first area between the connecting members 12 having a predetermined length from the tip of the band body 14, and a predetermined length following the first area. And a tape 111b attached to the second region. The tape 111b in the second region extends in the direction orthogonal to the length direction of the band body 14, that is, over the entire width of the band body 14 in the width direction.
The adherend-side tape 112 is attached to a third area following the second area. The adherend-side tape 112 has three rows of tapes 112a, 112b, and 112c attached at predetermined intervals in parallel with the longitudinal direction of the band main body. The lengths of the three adherend-side tapes 112a, 112b, and 112c are set to lengths necessary for bonding the band folded from the folding member 60. A gap g is always formed between the adherend-side tapes 112. If the number is large, the tape width is narrowed. As described above, as a whole, the region on the tip plate 13 side is improved in work efficiency as a strong structure that is free from deformation and displacement during work.
In the example of FIG. 5, the length of the tip plate 13 (the length in the width direction of the band main body) is set shorter than the width of the band main body.

The auto return mechanism 30 includes a band shaft 31 that is rotatably supported by the apparatus main body 21 and a tension applying mechanism 32 that applies tension to the band shaft 31 in a direction in which the band 10 is always pulled.
The apparatus main body 21 includes a pair of left and right end plates 22A and 22B, a main shaft 23 connecting the end plates 22A and 22B, a guide plate 24, and a folding bar 60 as a folding member.
The end plates 22A and 22B are substantially rectangular flat plates, and the end of the main shaft 23 is screwed at the center, and the end of the guide plate 24 is screwed at one end in the longitudinal direction across the main shaft 23. Furthermore, the end of the folding bar 60 is screwed to the other end in the longitudinal direction, and is fixed at a total of five points.

The band shaft 31 is a hollow pipe having an irregular inner cross-sectional shape, and a first pipe holder 33 and a second pipe holder 34 are fixed to openings at both ends. In this embodiment, the band shaft 31 has a quadrangular cylindrical shape, but is not limited to a quadrangular shape, and may be any shape that can transmit torque from the inner peripheral side.
The first and second pipe holders 33 and 34 of the band shaft 31 are provided with main shaft 23 holes through which the main shaft 23 is rotatably slidably inserted, and through the first and second pipe holders 33 and 34, A band shaft 31 is rotatably supported on the main shaft 23. A shaft holder 35 is fixed to the main shaft 23 to contact the first pipe holder 33 and the second pipe holder 34 so as to be slidable in the axial direction to position the band shaft 31 in the axial direction.

As shown in FIG. 2A, the tension applying mechanism 32 includes a main shaft 23 and a coil spring 36 attached to the main shaft 23, and uses the elastic force of the coil spring 36 in the torsional direction. It is supposed to be.
One end of the coil spring 36 is fixed to a moving spring holder 37 attached to the main shaft 23, and the other end of the coil spring 36 is fixed to the main shaft 23 via a fixed spring holder 38. The moving spring holder 37 is relatively rotatable with respect to the main shaft 23 and is relatively movable in the axial direction, is not relatively rotatable with respect to the inner periphery of the hollow band shaft, and is relatively movable in the axial direction. It has become.
In this example, the end of the main shaft 23 is engaged with the apparatus main body 21 in a state where the coil spring 36 is twisted by a predetermined amount on the side opposite to the band winding direction, and tension in the winding direction is applied.
The coil spring 36 extends in the axial direction when the band 10 is pulled out and the torsion amount increases, and contracts in the axial direction when the band 10 is pulled in and the torsion amount decreases. The expansion and contraction of the coil spring 36 corresponding to the pulling amount of the band 10 is absorbed by the movement of the moving spring holder 37.

The moving spring holder 37 includes a spring fitting portion 371 to which the second end portion of the coil spring 36 is fitted, and a detent portion 372 that engages with a corner portion of the inner periphery of the band shaft 31 to restrict relative rotation. I have. The anti-rotation portion 372 includes an engagement portion that engages with a corner portion of the band shaft 31 having a quadrangular cross section, and is a concave portion that does not contact other than the corner portion. Further, the other end of the coil spring 36 is fixed to the main shaft 23 through a fixed spring holder 38 so as not to move in the rotational direction and the axial direction. The fixed spring holder 38 is fixed to the main shaft 23 by bolts.
Since one end of the coil spring 36 is fixed to the main shaft 23 and the other end of the coil spring 36 is fixed to the band shaft 31, when the band 10 is pulled out, the coil spring 36 is twisted and tension in the reverse direction (retraction direction) is applied. In addition, when the band 10 is released, the coil spring 36 tries to return to the original state, and the band 31 is pulled.

The first switching operation mechanism 40 is swingably supported by a ratchet 41 connected to a band shaft 31 to which the end of the band 10 is fixed, and an end plate 22A of the apparatus main body 31, and can be engaged with and detached from the ratchet 41. And an operation lever 42 having a claw 42a. The ratchet 41 and the operation lever 42 are disposed on the inner surface of the first end plate 22A.
A knob 43 protrudes from the free end of the operation lever 42, and this knob 43 protrudes outward from the arc-shaped elongated hole 47 so that the knob 43 can be grasped to operate the operation lever 42. It has become.

   One end of the operation lever 42 is supported by a pivot 44 provided on the first end plate 22 </ b> A so as to be swingable by a predetermined angle, and between the lock position where the operation lever 42 is engaged with the ratchet 41 and the unlock position where the ratchet 41 is released. It is configured to move. The operation lever 42 is provided with a spring 35 that applies a biasing force to the operation lever 42 so as to have a thought point between the locked position and the unlocked position. One end of the spring 45 is hooked on the knob 43 of the operation lever 42, and the other end is hooked on a spring receiver 46 provided on the first end plate 22A. The thought point is located on a line connecting the pivot portion 44 and the spring receiver 46 of the spring 35.

The second switching operation mechanism 50 is engaged with and disengaged from the ratchet 51 supported by the ratchet 51 connected to the band shaft 31 to which the end of the band is fixed and the second end plate 22B of the apparatus body 21 so as to be swingable. And an operation lever 52 provided with possible claws 52a. The ratchet 51 and the operation lever 52 are disposed on the inner side surface of the second end plate 22B. The direction of the blade of the ratchet 51 is opposite to that of the first switching operation mechanism 40.
A knob portion 53 protrudes from the free end of the operation lever 52, and this knob portion 53 protrudes outward from the arc-shaped elongated hole 57 so that the operation lever 52 is operated by grasping the knob portion 53. It has become.

  One end of the operation lever 52 is supported by a pivotal support portion 54 provided on the second end plate 22 </ b> B so as to be swingable by a predetermined angle. Between the lock position where the operation lever 52 is engaged with the ratchet 51 and the unlock position where the ratchet 51 is released. It is configured to move. The operation lever 52 is provided with a spring 55 that applies a biasing force to the operation lever 52 so as to have a thought point between the locked position and the unlocked position. One end of the spring 55 is hooked on a knob portion 53 provided on the operation lever 52, and the other end is hooked on a spring receiver 56 provided on the second end plate 22B. The thought point is located on a line connecting the pivot 54 and the spring receiver 56 of the spring 35.

  On the other hand, as shown in FIG. 2 (A), the folding bar 60 is a concave-convex wave that engages with the adherend side tape 112 of the planar fastener 40 constituting the high-rigidity portion H and restricts movement in the width direction. A portion 70 is provided. The folding bar 60 is a bar-like member, and corresponding to the three adherend-side tapes 112, small-diameter portions 61 serving as concave portions are provided at three locations. Both sides of the small diameter portion 61 are inclined surfaces 62 that gradually increase in diameter, and are connected to the large diameter portion 63 via the inclined surfaces 62.

Next, the operation procedure of the band with a winding device of the present invention will be described with reference to FIG.
That is, by combining the first and second switching operation mechanisms 40 and 50, an operation mode in which the band 10 is pulled out and locked together while being a single winding device (see FIG. 1A), the band 10 is An operation mode in which the band 10 can be pulled out and cannot be pulled in (see FIG. 1B), an operation mode in which the band 10 cannot be pulled out and can be pulled in (see FIG. 1C), and the hand 10 is pulled out and pulled in Four operation modes (see FIG. 1D) to be enabled can be selected. In the figure, a dotted arrow indicates a pulling direction, and a solid arrow indicates a pulling direction.
For example, when the band 10 is pulled out from the winding device 20, the first switching operation mechanism 40 and the second switching operation mechanism 50 in FIG. At this time, if the second switching operation mechanism 50 is switched to the operating state (see FIG. 1B), the second switching operation mechanism 50 can be pulled out while maintaining the pulled-out state even when the urging force of the auto return mechanism 30 is acting. Because it can, it can be easily pulled out.

When winding and tightening the baggage, both the first switching operation mechanism 40 and the second switching operation mechanism 50 are switched to the operating state (see FIG. 1 (A)), the band tip is hooked on the folding bar 60 and folded, It can be fastened and fixed with a predetermined tightening force. Therefore, an article having an arbitrary circumference can be fixed within the entire length of the band 10.
Further, after use, as shown in FIG. 1D, if the first and second switching operation mechanisms 40 and 50 are switched to the free state, the band 10 is automatically moved into the winding device 20 by the auto return mechanism 30. Be drawn into. At this time, as shown in FIG. 1C, if the first switching operation mechanism 40 is switched to the operating state, it can be prevented from being pulled out carelessly.
From the above points, it can be used easily and easily as a part of the cargo handling device, and the work efficiency can be improved.

Next, a second embodiment of the present invention will be described.
In the following description, only parts different from those of the first embodiment will be described, and the same components will be denoted by the same reference numerals and description thereof will be omitted.
6 to 9 show a band with a winding device according to Embodiment 2 of the present invention. Reference numeral 201 denotes an entire band with a winding device. The band 201 with a winding device also includes a band 210 and a winding device 220 that pulls out the band 210 and stores it in a retractable manner. .
The winding device 220 allows the band 210 to always apply tension in the pull-in direction, the first operation state in which the band 210 is prevented from being pulled out and can be pulled in, and the band 210 is freely pulled out and pulled in. A first switching operation mechanism 240 that enables switching between the free state is provided.

As shown in the figure, one end of the band 210 is fixed to the band shaft 31 of the auto-return mechanism 30. Unlike the first embodiment, the drawn band is not configured to be folded and tightened. There are no fasteners.
The band 210 is a flexible long band that can be used repeatedly. One end in the longitudinal direction of the band 210 that can be bent and deformed is fixed to the band shaft 31 of the auto return mechanism 30 and the other end is connected to the other end. A front end plate 213 is connected via a member 212, and the front end plate 213 of the band wound around the load is hooked on a hook or the like of the loading platform to hold the load.

  The band main body 214 is a long flat band made of a woven fabric of high-strength fibers such as nylon or polyester, and is formed with a constant width over the entire length. The band main body 214 slightly expands and contracts in the longitudinal direction, but basically does not have elasticity. However, it can be freely deformed in the bending direction, and can be wound following the shape of the load.

A fixed end 215 fixed to the band shaft 31 of the band body 214 is attached with a plurality of resin bands 216 such as polypropylene, for example, and is fixed to the band shaft 231 via the resin bands 216. The resin band 216 includes a shaft fitting portion 261 that is bent in a square shape in accordance with the outer peripheral shape of the band shaft 231, and an attachment piece portion 262 that is fixed to the band main body 214. Although the number of the resin bands 216 is arbitrary, in this example, it is provided in three places. Since the shaft fitting portion 261 has a quadrangular shape that matches the band shaft 231, the shaft fitting portion 261 does not idle on the band shaft 231. Further, in order to prevent the band shaft 231 from slipping, the shaft fitting portion 261 is pressed by a pressing plate 217 fixed to the band shaft 231 with a screw or the like.
The fixed end portion of the band main body 214 has the terminal folded back, and a core material 251 made of a resin piece such as polypropylene is wrapped and sewn on the folded vertex portion. In addition, an attachment piece 262 of the resin band 216 is sewn and fixed to a folded portion where the fabric is reinforced double. The core material 251 may be constituted by a hard resin material such as polyacetal, or a highly rigid member such as an aluminum material, in addition to the resin band 216 such as polypropylene.

The tip plate 213 is made of a hard resin material such as polyacetal or a highly rigid member such as an aluminum material. A rod-like member may be used as long as it is a highly rigid member, but in this embodiment, a flat plate having two long holes through which the connecting member 212 is inserted, the length of the tip plate 213 is set to the width of the band body 214. Is set to the same. However, as in the first embodiment, the length of the tip plate 213 (the length in the width direction of the band main body 214) may be set shorter than the width of the band main body 214, or may be longer in some cases. Good.
The connecting member 212 is also composed of a resin band such as polypropylene similar to the fixed end, and is folded in two and passed through the long hole of the tip plate 213, and the terminal is sewn and fixed so as to sandwich the tip of the band main body 214. . The front end portion of the band main body 214 is also folded, and is sewn so that the core material 291 is wrapped in a direction perpendicular to the length direction of the band main body 214 at the folded vertex portion. Further, the end portion of the connecting member 212 is sewn and fixed to the folded portion where the fabric is reinforced double. The core material 291 is made of a hard resin material such as polyacetal or a highly rigid member such as an aluminum material.

The auto-return mechanism 30 includes a band shaft 231 that is rotatably supported by the apparatus main body 221 and a tension applying mechanism 232 that applies tension to the band shaft 231 in a direction in which the band 210 is always pulled.
The apparatus main body 221 includes a pair of left and right end plates 222A and 222B, a main shaft 223 that connects the end plates 222A and 222B, and a pair of guide shafts 224 and 224.
The end plates 222A and 222B are provided with a plate main body 225 and a clamp 226 for fixing the plate main body 225 to the loading platform 270.
The end of the main shaft 223 is screwed to the plate body 225, and the ends of the pair of guide shafts 224 and 224 are screwed at two points on one end side in the longitudinal direction across the main shaft 223. A clamp portion 226 is provided on the end side.

  The clamp portion 226 is substantially U-shaped, and includes a receiving portion 226a extending along the lower end of the plate body 225, a jaw portion 226b facing the receiving portion 226a at a predetermined interval, and one end of the receiving portion 226a and the jaw portion 226b. It is comprised from the connection part 226c which connects. A tightening member 227 is screwed into the jaw 226b. The tightening member 227 includes a screw portion 227a that is screwed into the jaw portion 226b, and a pressing portion 227b that is provided at the tip of the screw portion 227a and presses the loading platform 270. The upper and lower surfaces of the loading platform 270 are sandwiched between the fastening member 227 and the receiving portion 226a, and the fastening member 227 is screwed to fix the loading platform 270.

  The band shaft 231 is a hollow shaft having an inner periphery of a square cross section, and a first pipe holder 33 and a second pipe holder 234 are fixed to openings at both ends. The first and second pipe holders 233 and 234 of the band shaft 231 are provided with main shaft holes through which the main shaft 223 is rotatably slidably inserted, and the first and second pipe holders 233 and 234 are connected to the band. A shaft 231 is rotatably supported on the main shaft 223. A shaft guide 234 is fixed to the main shaft 223 to contact the first pipe holder 233 and the second pipe holder 234 in an axially slidable manner to position the band shaft 231 in the axial direction.

Since the tension applying mechanism 232 is the same as that of the first embodiment, the same components are denoted by the same reference numerals and description thereof is omitted.
In this embodiment, the first switching operation mechanism 240 is provided on both the left and right end plates. Since both the left and right end plates have the same configuration, only one mechanism will be described. That is, the first switching operation mechanism 240 can be engaged with and disengaged from the ratchet 241 that is swingably supported by the ratchet 241 connected to the band shaft 31 to which the end of the band is fixed, and the end plate of the apparatus main body. And an operation lever 242 provided with a claw 243. The ratchet 241 and the operation lever 242 are disposed on the inner surface of the end plate.

The free ends of the left and right operation levers 242 are connected by a handle bar 246, and the left and right operation levers 242 are simultaneously operated by the handle bar 246.
One end of the operation lever 242 is supported by a pivot 244 provided on the end plates 222 </ b> A and 222 </ b> B so as to be swingable by a predetermined angle, and between the lock position where the operation lever 242 is engaged with the ratchet 241 and the unlock position where the ratchet 241 is released. It is configured to move. A spring 245 that applies a biasing force to the operation lever 242 is attached to the operation lever 242 so that a thought point is provided between the lock position and the lock release position. One end of the spring 245 is hooked on the operation lever 242, and the other end is hooked on a spring receiver 246 provided on the end plate 222A.

Further, in the second embodiment, a hook bracket 300 for hooking the band end plate 213 is prepared as an attachment.
The hook bracket 300 includes an L-shaped hook body 310 including a hook piece 312 bent at a right angle from one end of the substrate 311, and a substantially Z-shaped clamp member 320 spot-welded to the hook body 313. Is done. The clamp member 320 is spot-welded to a region on the hook piece 312 side of the base plate 311 of the hook body 313, and is bent at a right angle from one end of the fixed piece 321 so as to face the hook piece 312 with a predetermined interval. A connecting piece 322, and a clamp piece 322 which is bent at a right angle from an end of the connecting piece 322 opposite to the fixing piece 321 to the opposite side of the fixing piece 321 and faces the end of the hook body 313 on the side opposite to the hook one side of the substrate 311. It has a configuration with.

  A clamping member 330 is screwed into the clamp piece 322. The tightening member 330 includes a screw portion 331 that is screwed into the clamp piece portion 322 and a pressing portion 332 that is provided at the tip of the screw portion 331 and presses the cargo bed. The holding portion 332 is provided with a pipe clamp 333 having a V-shaped slope, and the pipe 271 of the loading platform 270 is sandwiched from above and below between the fastening member 330 and the receiving portion 312 of the substrate 311 of the hook body 313, and a screw portion It is configured to be firmly fixed by screwing 331.

Next, an example of using the band with the winding device of the second embodiment will be described.
As shown in FIG. 9, with respect to the winding device, the clamp portions 226 of the end plates 222 </ b> A and 222 </ b> B are fixed to the edge of the loading platform 270. On the other hand, the hook bracket 300 is fixed to the pipe 271 located at the opposite edge of the loading platform 270.
Then, the band 210 is pulled out between the pair of guide shafts of the winding device 220. When pulling out the band 210, the first switching operation mechanism 240 is set in a free state and pulled out by a predetermined length, wrapped around a load on a loading platform 270 (not shown), and the tip plate is hooked on the hook body of the hook bracket 300. When the hand is released, the band 210 is in close contact with the load due to the tension of the auto return mechanism.
In this state, the handle bar of the first switching operation mechanism 240 is operated to release the lock, and the band is pulled out to remove the tip plate from the hook bracket. The removed band 210 is automatically drawn into the winding device 220 by the urging force of the auto return mechanism 230.

In addition, also about the said Example 1, the method of winding a load similar to Example 2 is applicable, without using a planar fastener and fastening a band. In that case, a band without a planar fastener may be used, and a folding member is not necessary.
Moreover, even if it is a winding apparatus which has only the 1st switching operation mechanism 240 like Example 2, the structure which tightens by using the band which has a planar fastener, and attaching a folding | turning member like Example 1. FIG. It can also be.

FIGS. 1A to 1D are explanatory views of combinations of the first and second switching operation mechanisms of the band with the winding device according to the first embodiment of the present invention. FIG. 2 shows the overall configuration of a winding device for a band with a winding device to which the switching operation mechanism of FIG. 1 is applied. FIG. 2 (A) is a partially sectional front view, and FIG. It is a right view of (A). 3A is a left side view in which the folding member of FIG. 2A is omitted, FIG. 3B is a top view of FIG. 3A, and FIG. 3C is FIG. FIG. 4D is a bottom view, FIG. 4D is a diagram showing an engagement state between the ratchet and the operation lever in FIG. 4B, FIG. 5E is a diagram showing an engagement state between the ratchet in FIG. F) is a cross-sectional view of the middle part of (A). 4 is a partially broken exploded view of the band shaft portion of the winding device of FIG. FIG. 5 is a partially broken schematic front view showing an example of a band attached to the winding device of FIG. 6 (A) is a partially broken schematic front view of a winding device for a band with a winding device according to a second embodiment of the present invention, and FIG. 6 (B) is a cross-sectional view taken along the pipe holder of FIG. Cross-sectional view, FIG. (C) is a view showing an example of the first switching operation mechanism of FIG. (A), and FIG. (D) is a cross-sectional view of the band shaft portion of FIG. FIG. 7 is a partially broken schematic front view showing a band configuration example. 8A is a front view of the apparatus of FIG. 6, FIG. 8B is a top view of FIG. 6A, and FIG. 8C is a left side view of FIG. FIG. 4D is a right side view of FIG. 9A is a view showing an example of use of the apparatus of FIG. 7, and FIG. 9B is a side view of the hook of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Band with winding device 10 Band 11 Planar fastener 111 Bonding side tape 111a, 11b Tape 112 Bonded side tape 112a, 112b, 112c Tape 12 Connecting member 13 End plate 14 Band body 15 Fixed end 151 Core material, 152 Folding Part 16 Resin band 161 Shaft fitting part, 162 Mounting piece part 17 Holding plate 19 Tip part 191 Core member, 192 Folding part 20 Winding device 21 Main body 22A First end plate 22B Second end plate 23 Main shaft 24 Guide plate 30 Automatic return mechanism 31 Band shaft 32 Tension applying mechanism 33 First pipe holder 34 Second pipe holder 35 Shaft holder 36 Coil spring 37 Moving spring holder 371 Spring fitting part, 372 Anti-rotation part 8 fixed spring holder 40 first switching operation mechanism 41 ratchet 42 operation lever, 42a claw 43 knob portion 44 pivot portion 46 spring support 47 long hole 50 second switching operation mechanism 51 ratchet 52 operation lever, 52a claw 53 knob portion 54 pivot portion 55 Spring 57 Long hole 60 Folding bar (Folding member)
61 Small diameter part, 62 Inclined surface, 63 Large diameter part

201 Band with winding device 210 Band 212 Connecting member 213 Tip plate 214 Band main body 215 Fixed end portion 251 Core material, 252 Folding portion 216 Resin band 261 Shaft fitting portion, 262 Mounting piece portion 217 Press plate 219 Tip portion 291 Core material , 292 Folding portion 220 Winding device 221 Device main body 222A, 222B End plate 223 Main shaft 224 Guide shaft 225 Plate main body portion 226 Clamp portion 226a Receiving portion, 226b Jaw portion, 226c Connection portion 227 Tightening member 227a Screw portion 230 Auto return mechanism 240 First switching operation mechanism 241 Ratchet 242 Operation lever, 242a Claw 243 Knob 244 Pivot 246 Spring support 247 Slot 270 Loading platform 227b Holding section 300 Hook Socket 310 hook body 311 substrate, 312 hooks 320 clamp member 321 fixing piece, 322 connecting piece 330 fastening member 331 screw portion 323 clamp piece 332 pressing portion, 333 pipe clamp

Claims (7)

A band with a winding device comprising a band and a winding device for pulling out and retracting the band,
The winding device
An auto-return mechanism that always applies tension to the band in the pull-in direction;
A first switching operation mechanism capable of switching between an operating state in which the band can be pulled in and prevented from being pulled out, and a free state in which the band can be pulled in and out freely;
Winding characterized by comprising: a second switching operation mechanism capable of switching between an operating state that prevents the band from being pulled in and can be pulled out; and a free state in which the band can be pulled out and pulled out freely. Band with device. A band with a winding device comprising a band and a winding device for pulling out and retracting the band,
The winding device
An auto-return mechanism that always applies tension to the band in the pull-in direction;
With a winding device characterized by comprising a first switching operation mechanism capable of switching between a free state in which the band can be pulled out and retracted freely and an operating state in which the band can be pulled in and prevented from being pulled out band. The auto-return mechanism has a band shaft with one end of the band fixed and rotatably supported by the winding device body,
The band with a winding device according to claim 1 or 2, further comprising tension applying means for applying tension in a direction in which the band is always drawn with respect to the band shaft. The band shaft is a hollow shaft with an irregular cross-sectional shape.
The tension applying means includes a shaft that is inserted into the hollow interior of the band shaft, and a spring that is attached to the shaft.
While fixing one end of the spring to the moving collar attached to the shaft, fixing the other end of the spring to the shaft,
The moving collar is relatively rotatable with respect to the shaft and is relatively movable in the axial direction, is not relatively rotatable with respect to the inner periphery of the hollow band shaft, and is relatively movable in the axial direction;
The band with a winding device according to claim 3, wherein an end portion of the shaft is engaged with an apparatus main body so as not to be relatively rotatable.   The first switching operation mechanism includes a ratchet coupled to a band shaft to which a band terminal is fixed, and an operation lever having a claw that is swingably supported by the apparatus body and that can be engaged with and detached from the ratchet. The band with a winding device according to claim 1 or 2, wherein the band is provided.   The second switching operation mechanism includes a ratchet coupled to a band shaft to which a band terminal is fixed, and an operation lever having a claw that is swingably supported by the apparatus body and that can be engaged with and detached from the ratchet. The band with a winding device according to claim 1, wherein the band is provided.   A folding member that can be folded back by hooking the leading end of the drawn band is provided, and on the other hand, the band is provided with a fixing means that can detachably fix a portion where the folded-up portion overlaps. The band with a winding device according to any one of claims 1 to 6.

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