JP7162889B2 - Openable four-sided roller device - Google Patents

Description

Application of Article 30, Paragraph 2 of the Patent Act May 21, 2019 Disclosure through publication in a catalog [Publications, etc.] May 22, 2019 Disclosure through exhibition at the 67th Electrical Construction Industry Exhibition JECA FAIR 2019

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a four-sided roller device for preventing cables from floating or falling. In particular, it relates to a four-sided roller device in which rollers on the upper side are opened and closed by rotational movement for pulling and removing cables.

The Applicant has developed a wide variety of cable feeding devices, which are sold under the trade name POWERBALL(R) and have been well received.

For example, the cable feeding device of Patent Document 1 developed by the applicant of the present application supports a pair of gripping portions for feeding out a cable sandwiched therebetween, and one of the pair of gripping portions. A fixed rotating shaft provided rotatably at a predetermined position, and a fixed side rotating shaft supporting the other of the pair of grips and provided rotatably, and provided movably in a direction to approach and separate from one of the grips a moving-side rotating shaft; a driving means for rotationally driving the fixed-side rotating shaft; and a transmission mechanism for transmitting rotation of the fixed-side rotating shaft to the moving-side rotating shaft. A transmission gear fixed to one of the side rotating shafts and having teeth around it, an intermediate gear having teeth around it and meshing with the transmission gear, and either one of the fixed side rotating shaft and the moving side rotating shaft and a rotating shaft of the intermediate gear, an intermediate transmission wheel fixed to the rotating shaft of the intermediate gear, and a transmission fixed to the other of the fixed side rotating shaft and the moving side rotating shaft a second link member that connects a wheel, a transmission belt that is stretched between the intermediate transmission wheel and the transmission wheel, and a rotating shaft of the intermediate gear and the other of the fixed-side rotating shaft and the moving-side rotating shaft; It is characterized by having

Furthermore, the applicant of the present application has developed a cable delivery device of Patent Document 2. In the cable feeding device of Patent Document 1, since the intermediate transmission wheel is fixed to the rotating shaft of the intermediate gear, it is not easy to reduce the height of the cable feeding device (especially the height of the base portion). However, according to the cable feeding device of Patent Literature 2, it is possible to design and manufacture a very low height.

Patent No. 6085840 Patent No. 6496283

The inventors of the present invention have found that the cables can be effectively prevented from floating by using a four-sided roller device together with the cable feeding device. Furthermore, it was found that by using a four-sided roller device together, it becomes possible to install the cable feeding device upside down on a rack or ceiling and use it ("upside down use" becomes possible).

A four-sided roller device is a device in which four rollers are arranged on the four sides of the top, bottom, left, and right. In some cases, it was necessary to remove the screw and the upper roller support shaft from the frame.

The inventors of the present invention focused on the fact that by making the upper side roller an opening and closing type that rotates, the work of removing and attaching the screw is released. By doing so, it is possible to adjust the distance between the upper roller and the lower roller, and it is possible to cope with changes in the diameter of the cable to be used.

The present invention has been invented based on the above findings. SUMMARY OF THE INVENTION An object of the present invention is to provide a four-sided roller device that does not require the work of removing and attaching screws when opening and closing the upper side roller, and that can adjust the distance between the upper side roller and the lower side roller. That is.

The present invention includes a left-side roller and a right-side roller that extend vertically and are spaced apart by a predetermined distance, a left-side roller support shaft that rotatably supports the left-side roller, and a rotatable support for the right-side roller. A right-side roller support shaft, an upper-side roller and a lower-side roller that extend horizontally and are separated by a variable distance, an upper-side roller support shaft that rotatably supports the upper-side roller, and a rotatable lower-side roller. and a frame supporting the left roller support shaft, the right roller support shaft, the upper roller support shaft, and the lower roller support shaft, wherein one end of the upper roller support shaft is The other end of the upper roller support shaft is rotatable around a fulcrum supported by the frame, and the fulcrum is attached to the frame. The four-sided roller device is characterized in that it is movable in the vertical direction.

According to the present invention, one end of the upper roller support shaft is detachable from the frame, and the other end of the upper roller support shaft is rotatable around the fulcrum supported by the frame. As a result, the upper side roller (support shaft) can be opened and closed by rotating, and the work of removing the cable after laying the cable is simplified. In addition, since the fulcrum can move vertically with respect to the frame, the distance between the upper roller and the lower roller can be adjusted, and the cable diameter to be used can be changed.

The fulcrum portion can be positioned with respect to the frame by a biasing force of a spring, and can be moved with respect to the frame by applying an external force opposing the biasing force of the spring. preferable.

According to this, the fulcrum portion is stably supported by the frame, and the operation of moving the fulcrum portion with respect to the frame is also easy.

Further, in this case, the fulcrum portion has projections that can be selectively fitted into the plurality of positioning holes provided in the frame, and the projections and the plurality of positioning holes are moved by the biasing force of the spring. The fitting state with any one of the holes can be maintained, and the fitting state between the projecting portion and any one of the plurality of positioning holes can be canceled by applying an external force against the biasing force of the spring. It is preferable that

According to this, by selectively using the plurality of positioning holes, it is easy to stably position the fulcrum portion at a predetermined position with respect to the frame. Also, the operation of moving the fulcrum relative to the frame is easy.

For example, the fulcrum includes a rotating shaft that vertically penetrates the other end of the upper roller supporting shaft, and an upper supporting member and a lower supporting member that support the rotating shaft above and below the upper roller supporting shaft. ,have.

According to this, it is possible to stably realize the rotation operation of the upper side roller support shaft.

One end of the upper roller support shaft also has projections that can be selectively fitted into a plurality of positioning holes provided in the frame. can maintain the fitted state with any one of the positioning holes, and the fitted state between the protrusion and one of the plurality of positioning holes can be maintained by applying an external force that opposes the biasing force of the spring. It is preferable that it is resolvable.

According to this, by selectively using the plurality of positioning holes, it is easy to stably position the one end portion of the upper side roller support shaft at a predetermined position with respect to the frame. Also, the operation of moving one end of the upper roller support shaft with respect to the frame is easy.

Further, the present invention includes a pair of four-sided roller devices having any of the above characteristics and a cable feeding device, and the pair of four-sided roller devices are fixed to the front and rear of the cable feeding device in the cable feeding direction. A cable delivery system characterized by:

According to the cable delivery system of the present invention, it is possible to effectively prevent the cable from floating and to effectively prevent the cable from falling when "upside down" is used. One end of the upper roller support shaft is detachable from the frame, and the other end of the upper roller support shaft is rotatable around the fulcrum supported by the frame. The rollers (support shafts) can be opened and closed by a rotating motion, freeing the work of removing and attaching screws. In addition, since the fulcrum can move vertically with respect to the frame, the distance between the upper roller and the lower roller can be adjusted, and the cable diameter to be used can be changed.

According to the present invention, one end of the upper roller support shaft is detachable from the frame, and the other end of the upper roller support shaft is rotatable around the fulcrum supported by the frame. As a result, it is possible to open and close the roller (support shaft) on the upper side by rotating, and the work of removing the cable after laying the cable is simplified. In addition, since the fulcrum can move vertically with respect to the frame, the distance between the rollers on the upper side and the rollers on the lower side can be adjusted, and the diameter of the cable used can be changed.

1 is a perspective view of a four-sided roller device according to one embodiment of the present invention; FIG. FIG. 2 is a front view of the four-sided roller device of FIG. 1; FIG. 2 is a right side view of the four-sided roller device of FIG. 1; FIG. 2 is a left side view of the four-sided roller device of FIG. 1; FIG. 3 is a cross-sectional view of the four-sided roller device of FIG. 2 taken along the line AA. It is a cross-sectional view of a state in which the knob is pulled. It is sectional drawing of the state which pulled the fulcrum part. 1 is a plan view of a cable delivery system with a pair of four-sided roller devices; FIG. 9 is a front view of the cable delivery system of FIG. 8; FIG. 9 is a side view of the cable delivery system of FIG. 8; FIG. 9 is a rear view of the cable delivery system of FIG. 8; FIG. It is a figure which shows the operating procedure which changes the height of an upper side roller. It is a figure which shows the correspondence of the height of an upper side roller and a lower side roller, and a cable diameter.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view of a four-sided roller device 1 according to one embodiment of the present invention. 2 is a front view of the four-sided roller device 1 of this embodiment, FIG. 3 is a right side view of the four-sided roller device 1 of this embodiment, and FIG. 4 is a view of the four-sided roller device 1 of this embodiment. It is a left side view. 5 is a cross-sectional view of the four-sided roller device 1 shown in FIG. 2 along the line AA, FIG. 6 is a cross-sectional view of the knob 41 being pulled, and FIG. 7 is a cross-sectional view of the fulcrum 50 being pulled. It is a diagram.

As shown in FIGS. 1 to 7, the four-sided roller device 1 of this embodiment includes a left-side roller 11 and a right-side roller 12 that extend vertically and are spaced apart by a predetermined distance (for example, 11 cm), and a pair of bearing members 31. A left-side roller support shaft 21 that rotatably supports the left-side roller 11 via a pair of bearing members 32, a right-side roller support shaft 22 that rotatably supports the right-side roller 12 via a pair of bearing members 32, and a left-side roller support shaft 21 and a frame 60 that supports the right side roller support shaft 22 .

Further, as shown in FIGS. 1 to 7, the four-sided roller device 1 of the present embodiment includes an upper roller 13 and a lower roller 14 which extend horizontally and are separated by a variable distance, and a pair of bearing members 33. and a lower roller support shaft 24 for rotatably supporting the lower roller 14 via a pair of bearing members 34. 60 also supports the upper roller support shaft 23 and the lower roller support shaft 24 .

Particularly, as shown in FIG. 2, the four rollers 11 to 14 are arranged in a rectangular shape when viewed from the front (and from the rear). On the other hand, all the rollers 11 to 14 are not arranged on the same plane, and as shown particularly in FIG. front side).

In addition, as particularly shown in FIG. 2, the frame 60 is provided outside the rectangular area formed by the four rollers 11 to 14 when viewed from the front.

Further, the right end portion of the upper side roller support shaft 23 of this embodiment is detachable from the frame 60 .

Specifically, as shown particularly in FIG. 5, a cylindrical knob 41 is loosely (slidably) fitted to the right end of the upper roller support shaft 23 . The cylindrical knob 41 has a stepped portion 41s on the inner peripheral side, and a coil spring 42 is provided between the stepped portion 41s and a stopper ring 43 and a stopper pin 44 provided at the right end of the upper roller support shaft 23. accommodates

Using the biasing force of the coil spring 42 to expand, the left end portion (an example of the projecting portion) of the cylindrical knob 41 is fitted into the positioning hole 61 (see FIG. 6) provided in the frame 60. ing. The fitted state is maintained by the biasing force of the coil spring 42 . On the other hand, as shown in FIG. 6, by applying an external force (external force in the direction of compressing the coil spring 42) against the biasing force of the coil spring 42 to the knob 41, the cylindrical knob 41 and the positioning hole 61 are fitted together. It is possible to remove the state.

On the other hand, the left end portion of the upper side roller support shaft 23 in this embodiment is rotatable around the fulcrum portion 50 supported by the frame 60 .

Specifically, as particularly shown in FIG. 2, the fulcrum portion 50 of the present embodiment includes a rotating shaft 56 that vertically penetrates the left end portion of the upper side roller support shaft 23, and the rotating shaft 56 that is connected to the upper side roller. It has an upper support member 57a and a lower support member 57b that support the support shaft 23 above and below, and the left end of the upper side roller support shaft 23 is rotatable around the rotation shaft 56. As shown in FIG.

Further, as particularly shown in FIG. 3, the frame 60 is provided with a groove 63 corresponding to the rotational track of the upper roller support shaft 23 so as not to hinder the rotational movement of the upper roller support shaft 23 .

By combining the above configurations, an external force is applied to the knob 41 as shown in FIG. The upper side roller support shaft 23 can be released by rotating it around and letting it out of the groove 63 . As a result, the cable can be routed into the four-sided roller device 1 or taken out from the four-sided roller device 1 .

When closing the upper roller support shaft 23, conversely, while rotating the upper roller support shaft 23 around the rotation shaft 56 to fit it in the groove 63, an external force is applied to the knob 41 as shown in FIG. while aligning the tubular knob 41 with the positioning hole 61 . When the external force is released, the biasing force of the coil spring 42 causes the left end of the cylindrical knob 41 to fit into the positioning hole 61 again. Thereby, the upper side roller support shaft 23 can be stably supported.

Further, the fulcrum portion 50 of the present embodiment is vertically movable with respect to the frame 60 .

Specifically, as particularly shown in FIGS. 4 to 6, the fulcrum portion 50 of the present embodiment includes a pin member 55 that can slide vertically along a vertical slit 65 provided in the frame 60. A cylindrical knob 51 is loosely (slidably) fitted to the left end of the pin member 55 . The right end portion of the pin member 55 is a pin head portion with an enlarged diameter, and the flat surface on the left side of the enlarged diameter portion (flange portion) contacts the frame 60 . The cylindrical knob 51 supports the upper support member 57a and the lower support member 57b, and has a stepped portion 51s on the inner peripheral side. A coil spring 52 is accommodated between the ring 53 and the stopper pin 54 .

Using the biasing force of the coil spring 52 to expand, the right end protrusion 58 (an example of the protrusion) of the cylindrical knob 51 is fitted into the positioning hole 68 (see FIG. 7) provided in the frame 60. are in agreement. The fitted state is maintained by the biasing force of the coil spring 52 . On the other hand, as shown in FIG. 7, by applying an external force (external force in the direction of compressing the coil spring 52) against the biasing force of the coil spring 52 to the knob 51, the cylindrical knob 51 and the positioning hole 68 are fitted together. It is possible to remove the state.

By combining the above configurations, the upper side roller support shaft 23 is released as described above, and an external force is applied to the knob 51 as shown in FIG. By moving the pin member 55 along the vertical direction slit 65 in a state in which the fitting state is canceled, the height of the fulcrum portion 50 that rotatably supports the upper side roller support shaft 23 can be changed. is. Thereby, it is possible to change the separation distance between the upper side roller 13 and the lower side roller 14 .

In this embodiment, three positioning holes 68 are provided on the left side of the vertical slit 65 so that the height of the upper roller 13 can be changed in three ways (see FIG. 4: one of the fitted states is visible). do not have).

Further, in this embodiment, a projecting pin 59 projects from the knob 51 in a direction parallel to the right end projecting portion 58 on the rear side of the right end projecting portion 58 for the purpose of preventing bending deformation of the knob 51 . The frame 60 is provided with a fitting hole 69 corresponding to the protruding pin 59 . When the right end projecting portion 58 of the cylindrical knob 51 and the positioning hole 68 are disengaged, the projecting pin 59 and the fitting hole 69 are also disengaged. there is

In this embodiment, three fitting holes 69 are provided on the rear side of the three positioning holes 68 so that the height of the upper roller 13 can be changed in three ways (see FIG. 4: 1 one is not visible).

Also, for the groove 63 and the positioning hole 61 that support the right end of the upper roller support shaft 23, three sets are provided at corresponding height positions so that the height of the upper roller 13 can be changed in three ways ( See Figure 3: one of the mating states not visible).

Moreover, in this embodiment, the height of the lower side roller 14 can also be changed in two ways.

Specifically, in this embodiment, the structure of the left and right ends of the lower roller support shaft 24 and the structure of the frame 60 that supports them are the same as the structure of the right end of the upper roller support shaft 23 and the frame 60 that supports it. structure is almost the same as that of

As a result, external forces as shown in FIG. 6 are applied to the knob 41 at both the left and right ends of the lower roller support shaft 24, and the cylindrical knob 41 and the positioning hole 61 are disengaged from each other. The height of the lower roller support shaft 24 can be changed by pulling the support shaft 24 forward from the groove 63 .

When the lower roller support shaft 24 is fixed, conversely, while the lower roller support shaft 24 is accommodated in the groove 63, an external force as shown in FIG. Align with When the external force is released, the biasing force of the coil spring 42 causes the tubular knob 41 to fit into the positioning hole 61 again. Thereby, the lower side roller support shaft 24 can be stably supported.

In this embodiment, two sets of grooves 63 and positioning holes 61 for supporting the left and right ends of the lower roller support shaft 24 are provided at corresponding height positions so that the height of the lower roller 14 can be changed in two ways. (see Figures 3 and 4: one of the mating states is not visible).

Furthermore, in this embodiment, two sets of grooves 63 for the bottom roller support shaft 24 are connected in a closed state by an auxiliary frame 64 in order to prevent the bottom roller support shaft 24 and the bottom roller 14 from falling (and losing). (although this configuration is not mandatory).

In addition, the four-sided roller device 1 of this embodiment has a base table 70 in order to facilitate connection work with the cable delivery device 100 .

FIG. 8 is a plan view of a cable feeding system provided with a pair of four-sided roller devices 1. FIG. 9 is a front view of the cable delivery system of FIG. 8, FIG. 10 is a side view of the cable delivery system of FIG. 8, and FIG. 11 is a rear view of the cable delivery system of FIG.

As shown in FIGS. 8 to 11, the pair of four-sided roller devices 1 are fixed to the front and rear of the cable feeding device 100 in the cable feeding direction.

The cable delivery device 100 has a pair of grips 101 and 102 for delivering a cable while sandwiching it. One of the gripping portions 102 is movable toward or away from the other gripping portion 101 (see FIG. 8 in particular). This makes it possible to adapt to changes in cable diameter.

Therefore, when the cable has a small diameter, the area through which the cable passes is biased toward the other grip portion 101 side (the upper side in FIG. 8, the left side in FIG. 9, and the right side in FIG. 11). Therefore, it is preferable that the pair of four-sided roller devices 1 be slightly biased toward the other gripping portion 101 (the upper side in FIG. 8, the left side in FIG. 9, and the right side in FIG. 11).

In the present embodiment, the base plate 107 of the cable delivery device 100 and the base table 70 of the four-sided roller device 1 have two holes for positioning bolts for positioning each other (see FIG. 9) for front placement and two holes for rear placement. Two (see FIG. 11) are provided for each purpose. As a result, the same four-sided roller device 1 can be selectively fixed before and after the cable feeding device 100 in the cable feeding direction.

Next, the operation of this embodiment will be described.

First, the height position of the lower roller support shaft 24 is changed as necessary.

Specifically, if necessary, an external force as shown in FIG. In this state, the bottom roller support shaft 24 is pulled out from the groove 63 toward the front side.

Then, the cylindrical knob 41 is aligned with the positioning hole 61 at the desired height while the bottom roller support shaft 24 is accommodated in the groove 63 at the desired height and an external force is applied to the knob 41 as shown in FIG. do. When the external force is released in this state, the biasing force of the coil spring 42 causes the cylindrical knob 41 to fit into the positioning hole 61 at a desired height. Thereby, the lower roller support shaft 24 can be stably supported at a desired height.

Then, the upper side roller support shaft 23 is released and the cable is routed so as to pass through the four-sided roller device 1. - 特許庁

Specifically, as shown in FIG. 6, by applying an external force (external force in the direction of compressing the coil spring 42) against the biasing force of the coil spring 42 to the knob 41, the cylindrical knob 41 and the positioning hole 61 are disengaged. Release the mated state. Then, the upper roller support shaft 23 is opened by rotating the upper roller support shaft 23 around the rotation shaft 56 and out of the groove 63 (FIG. 12(a) (plan view) and FIG. 12(b). ) (see rear view)).

Here, the height position of the upper side roller support shaft 23 is changed as necessary.

Specifically, in a state in which the upper side roller support shaft 23 is opened, an external force as shown in FIG. 12(c) (plan view) and FIG. 12(d) (rear view). When the cylindrical knob 51 is aligned with the positioning hole 68 at a desired height and the external force is released, the biasing force of the coil spring 52 causes the cylindrical knob 51 to fit into the positioning hole 68 . Thereby, the left end portion of the upper side roller support shaft 23 can be stably supported at a desired height.

After that, pass the desired cable. Then, while the right end portion of the upper side roller support shaft 23 is accommodated in the groove 63 at a desired height, an external force as shown in FIG. Align with When the external force is released in this state, the biasing force of the coil spring 42 causes the cylindrical knob 41 to fit into the positioning hole 61 at a desired height. Thereby, the right end portion of the upper roller support shaft 23 can be stably supported at a desired height (see FIG. 12(e) (plan view) and FIG. 12(f) (rear view)).

As described above, according to the four-sided roller device 1 of the present embodiment, the right end portion of the upper side roller support shaft 23 is detachable from the frame 60, and the left end portion of the upper side roller support shaft 23 is supported by the frame 60. Since it is rotatable around the fulcrum portion 50, the upper side roller support shaft 23 and the upper side roller 13 can be opened and closed by the rotating motion, and the work of removing and attaching screws is released. Further, since the fulcrum part 50 can move in the vertical direction with respect to the frame 60, the distance between the upper side roller 13 and the lower side roller 14 can be adjusted, and the diameter of the cable used can be changed. be.

Further, the fulcrum portion 50 of the four-sided roller device 1 of this embodiment can be positioned with respect to the frame 60 by the biasing force of the coil spring 52, and the frame can be moved by applying an external force against the biasing force of the coil spring 52. Since the fulcrum portion 50 is movable with respect to the frame 60 , the fulcrum portion 50 is stably supported with respect to the frame 60 , and the operation of moving the fulcrum portion 50 with respect to the frame 60 is also easy.

In particular, the fulcrum portion 50 of the four-sided roller device 1 of the present embodiment has a right end projecting portion 58 of the knob 51 that can be selectively fitted into a plurality of positioning holes 68 provided in the frame 60. can maintain the fitting state between the projecting portion 58 and one of the plurality of positioning holes 68 by the biasing force of the coil spring 52, and by applying an external force against the biasing force of the coil spring 52, the projecting portion 58 and The fitting state with any one of the plurality of positioning holes 68 can be canceled. Accordingly, by selectively using the plurality of positioning holes 68 , it is easy to stably position the fulcrum portion 50 at a predetermined position with respect to the frame 60 . Further, the operation of moving the fulcrum portion 50 with respect to the frame 60 is also easy.

Further, the fulcrum portion 50 of the four-sided roller device 1 of the present embodiment includes a rotating shaft 56 vertically penetrating the left end portion of the upper side roller supporting shaft 23 and the rotating shaft 56 above and below the upper side roller supporting shaft 23. It has an upper support member 57a and a lower support member 57b. As a result, the rotating motion of the upper side roller support shaft 23 can be stably realized.

Further, according to the four-sided roller device 1 of the present embodiment, the right end of the upper roller support shaft 23 also has knobs (protrusions) 41 that can be selectively fitted into the plurality of positioning holes 61 provided in the frame 60. , the fitting state between the knob 41 and any of the plurality of positioning holes 61 can be maintained by the biasing force of the coil spring 42, and by applying an external force against the biasing force of the coil spring 42 The fitting state between the knob 41 and one of the plurality of positioning holes 61 can be released. Accordingly, by selectively using the plurality of positioning holes 61, it is easy to stably position the right end portion of the upper side roller support shaft 23 at a predetermined position with respect to the frame 60. FIG. Further, the operation of moving the right end of the upper roller support shaft 23 with respect to the frame 60 is also easy.

According to the cable feeding system provided with the pair of four-sided roller devices 1 and the cable feeding device 100 of the present embodiment, it is possible to effectively prevent the cable from floating, and the "upside-down use" is prevented. It can effectively prevent the cable from falling down.

FIG. 13(a) shows a state in which the upper roller support shaft 23 is positioned in the middle stage and the lower roller support shaft 24 is positioned in the upper stage. At this time, the distance between the upper side roller 13 and the lower side roller 14 is 5 cm, which is suitable for feeding a cable of φ40.

FIG. 13(b) shows a state in which the upper roller support shaft 23 is positioned in the middle stage and the lower roller support shaft 24 is positioned in the lower stage. At this time, the distance between the upper side roller 13 and the lower side roller 14 is 7 cm, which is suitable for feeding a cable of φ65.

FIG. 13(c) shows a state in which the upper side roller support shaft 23 is positioned at the upper stage and the lower side roller support shaft 24 is positioned at the lower stage. At this time, the distance between the upper side roller 13 and the lower side roller 14 is 11 cm, which is suitable for feeding a cable of φ100.

FIG. 13(d) shows a state in which the upper roller support shaft 23 is positioned at the lower stage and the lower roller support shaft 24 is positioned at the upper stage. At this time, the distance between the upper side roller 13 and the lower side roller 14 is 3 cm, which is suitable for feeding a cable of φ20.

FIG. 13(e) shows a state in which the upper side roller support shaft 23 is positioned at the lower stage and the lower side roller support shaft 24 is positioned at the lower stage. At this time, the distance between the upper side roller 13 and the lower side roller 14 is 5 cm, which is suitable for sending out a φ40 cable by "upside down".

FIG. 13(f) shows a state in which the upper roller support shaft 23 is positioned in the middle stage and the lower roller support shaft 24 is positioned in the lower stage. At this time, the distance between the upper side roller 13 and the lower side roller 14 is 7 cm, which is suitable for sending out a φ65 cable by "upside-down use".

1 Four-side roller device 11 Left side roller 12 Right side roller 13 Top side roller 14 Bottom side roller 21 Left side roller support shaft 22 Right side roller support shaft 23 Top side roller support shaft 24 Bottom side roller support shaft 31 Bearing member 32 Bearing member 33 Bearing member 34 Bearing member 41 Knob 41s stepped portion 42 coil spring 43 stopper ring 44 stopper pin 50 fulcrum portion 51 knob 51s stepped portion 52 coil spring 53 stopper ring 54 stopper pin 55 pin member 56 rotating shaft 57a upper support member 57b lower support member 58 right end protrusion 59 protrusion pin 60 Frame 61 Positioning hole 63 Groove 64 Auxiliary frame 65 Vertical slit 68 Positioning hole 69 Fitting hole 70 Base table 100 Cable delivery device 101 Grip portion 102 Grip portion 107 Base plate

Claims (6)

a left side roller and a right side roller each extending in a vertical direction and spaced apart by a predetermined distance;
a left-side roller support shaft that rotatably supports the left-side roller;
a right-side roller support shaft that rotatably supports the right-side roller;
top and bottom rollers each horizontally extending and spaced apart by a variable distance;
an upper roller support shaft that rotatably supports the upper roller;
a bottom roller support shaft that rotatably supports the bottom roller;
a frame that supports the left roller support shaft, the right roller support shaft, the upper roller support shaft, and the lower roller support shaft;
with
One end of the upper roller support shaft is detachable from the frame,
The other end of the upper roller support shaft is rotatable around a fulcrum supported by the frame,
The fulcrum is vertically movable with respect to the frame.cage,
One end of the upper roller support shaft has a protrusion that can be selectively fitted into a plurality of positioning holes provided in the frame. and can cancel the fitted state between the protruding portion and any one of the plurality of positioning holes by applying an external force that opposes the biasing force of the spring. is becoming
A four-sided roller device characterized by: The fulcrum portion can be positioned with respect to the frame by a biasing force of a spring, and can be moved with respect to the frame by applying an external force opposing the biasing force of the spring. The four-sided roller device according to claim 1. The fulcrum portion has a protruding portion that can be selectively fitted into a plurality of positioning holes provided in the frame, and the urging force of the spring causes the protruding portion to engage with one of the plurality of positioning holes. The fitting state can be maintained, and the fitting state between the projecting portion and one of the plurality of positioning holes can be canceled by applying an external force against the biasing force of the spring. The four-sided roller device according to claim 2, characterized by: a left side roller and a right side roller each extending in a vertical direction and spaced apart by a predetermined distance;
a left-side roller support shaft that rotatably supports the left-side roller;
a right-side roller support shaft that rotatably supports the right-side roller;
top and bottom rollers each horizontally extending and spaced apart by a variable distance;
an upper roller support shaft that rotatably supports the upper roller;
a bottom roller support shaft that rotatably supports the bottom roller;
a frame that supports the left roller support shaft, the right roller support shaft, the upper roller support shaft, and the lower roller support shaft;
with
One end of the upper roller support shaft is detachable from the frame,
The other end of the upper roller support shaft is rotatable around a fulcrum supported by the frame,
The fulcrum is vertically movable with respect to the frame.cage,
The fulcrum portion can be positioned with respect to the frame by the biasing force of a spring, and can be moved with respect to the frame by applying an external force that opposes the biasing force of the spring,
The fulcrum portion has a protruding portion that can be selectively fitted into a plurality of positioning holes provided in the frame, and the urging force of the spring causes the protruding portion to engage with one of the plurality of positioning holes. The fitted state can be maintained, and the fitted state between the projecting portion and any one of the plurality of positioning holes can be canceled by applying an external force that opposes the biasing force of the spring.
A four-sided roller device characterized by: The fulcrum is
a rotating shaft vertically penetrating the other end of the upper roller support shaft;
an upper support member and a lower support member that support the rotation shaft above and below the upper roller support shaft;
The four-sided roller device according to any one of claims 1 to 4 , characterized by comprising: A pair of four-sided roller devices according to any one of claims 1 to 5,
a cable delivery device;
with
A cable delivery system, wherein the pair of four-sided roller devices are fixed to the front and rear of the cable delivery device in the cable delivery direction.

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