JP3127235B2 - Windproof / snowproof fence with sneak-back and its folding / construction method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a windproof / snowproof fence with a sneak-back which is constructed on the side of a road, a parking lot, around a building site, etc. to prevent wind and snow, and a method of folding and erection thereof. is there.

[0002]

2. Description of the Related Art As shown in FIG. 5, a conventional windbreak / snowproof fence with sneak-back is usually provided with an inclined part a1 at the upper part on the side of a road, a parking lot, around a building site, or the like. Relatively long columns a reinforced with a material b are anchored and built at appropriate intervals on a concrete foundation S, and a number of windproof / snowproof plates c (formed into perforated plates as necessary) are provided between the respective columns a. ) Is oriented in the horizontal direction, and both ends of each windproof / snowproof board are fixed to the support with bolts, nuts, etc. and tightened, and the connecting material d is attached to the middle part of each windproof / snowproof board. It is constructed as a windproof / snowproof fence with squeeze-back, which is connected and reinforced by abutment bolts, nuts, etc., and the sloping portion is a sneak-back portion c1. The windproof / snowproof fence with a sneak-back is provided with a large number of windproof / snowproof boards c which are stretched and erected in winter or the like as shown in the figure.
In the season when there is no fear of wind, snow, etc., each windproof / snowproof board c is removed and removed to enhance the visibility, that is, the view.

[0003]

As described above, a conventional windproof / snowproof fence with a sneak-back portion has a plurality of windproof / snowproof plates between relatively long supports, such as bolts and nuts at both ends and a central portion of the plate. In the season when there is no danger of wind or snow, many windproof and snowproof boards are removed and removed in order to increase the visibility, that is, the prospects, because it is a structure that is fixed to the pillars and connected to each other and stretched and installed In addition, it is necessary to re-establish it in winter or the like, and there is a problem that the removal and re-establishment require a lot of trouble and labor, which is troublesome work.

SUMMARY OF THE INVENTION The present invention has been developed to solve the above-mentioned problems, and an object of the present invention is to provide an upper windbreak capable of folding a plurality of windproof / snowproof plates between supports and storing and raising and lowering the same.・ Even as a group of snowboards and an upper windbreak / snowboard group, foldable and erection means are attached, and the upper part of the pillars can be inverted to improve folding storage and rebuilding performance. It is an object of the present invention to provide a fence and a method of folding and erection thereof.

SUMMARY OF THE INVENTION The present invention is directed to a windproof / snowproof fence with a sneak-back, in which a number of windproof / snowproof plates are provided on a plurality of pillars having an inclined portion formed on the upper part, and the lower windproof / snowproof fence connected between the vertical portions of the pillars. A group of snow protection boards are fitted and erected vertically, and an upper windbreak and snow protection board group that is foldably connected between the inclined parts of the columns is fitted and erected vertically, and a middle pulley and upper end are mounted on the columns. It is characterized by a sneak-backed storm and snow fence that is equipped with pulleys and is combined with a winch of a wire for raising and lowering the storm and snow protection boards.

[0006] In addition, it is attached to a column having an inclined portion formed on the upper part.
The lifting wire operated by the winch
Foldably connected between the vertical parts of the column via the middle pulley
Hanging vertically possible lower windproof snow plate group are bridged Te hanged
Lowered release the securing stored folded in the lower part of the column Te, then foldable between oblique slanted portion vertical section of the column through the upper pulley
Upper and lower windproof and snowproof boards connected to the building
And removing the fixed descending stored folded in the lower part of the column, also by the wire, by deploying fixed between the mounting posts of the oblique slanted portion rising the upper wind-snow plate group through the upper pulley,
Next characterized in Shinobigaeshi with windproof snow fences folding-erection method of erection and fixed by expansion between the vertical portion of the column by raising the lower wind-snow plate group through the middle pulleys, before Symbol of In the windproof / snowproof fence with sneak-back and this folding / construction method, the lower windproof / snowproof board group and the upper windproof / snowproof board group are individually separated into two stages by folding / construction means including winches, wires and both pulleys. The folded field of view, that is, the view is easily and efficiently raised by the operation, and the erection can be performed easily and efficiently again.

[0007] Furthermore, in the windproof / snowproof fence with sneak-back, there is a feature in the windproof / snowproof fence with sneak-back which is configured such that an upper support with an inclined portion is connected to a lower support via a connecting bracket so as to be able to be inverted. And also with the sneak-back
In the folding and erection method of the windproof / snowproof fence , after the lower windproof / snowproof board group and the upper windproof / snowproof board group are folded and stored on the lower support, the upper support is folded down on the lower support and stored.
After standing the upper strut on the lower strut, an upper wind-snow plate group and a lower wind-snow plate group of the strut between the oblique slanted portion and is deployed between the vertical portion to fix bridged by the Shinobigaeshi with windproof snow fences It is characterized by its folding and erection method, and the lower windproof / snowproof board group and the upper windproof / snowproof board group can be individually folded and stored, and the upper support can be stored down, further enhancing the visibility, that is, the view.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 4 show embodiments of a windproof / snowproof fence with sneak-back and a method of folding and erection thereof according to the present invention. In the drawing, 1 is a column, 1a is a lower column, 1b is an upper column, 1c is an inclined portion formed on the upper portion (upper column) of the column, 2, 2a and 2b are columns or lattice members reinforced with the lower column and the upper column. Reference numeral 3 denotes a connecting bracket for connecting the upper support to the lower support so that the upper support can be inverted, and 5a and 5b denote supports (lower support,
Windproof / snowproof boards or lower windproof / snowproof boards and upper windproof / snowproof boards arranged on the vertical part and the inclined part of the upper support), 6 are both ends of the windproof / snowproof boards, and 7 are windproof / snowproof boards. Foldable and deployable links, 8a and 8b are middle pulleys and upper pulleys provided on columns (upper columns), and 9 is a fixing bracket for fixing the lower windproof / snowproof board group and the upper windproof / snowproof board group in an expanded state. Reference numeral 11 denotes a winch detachably attached to a lower portion of the support (lower support), and reference numerals 12a and 12b denote wires operated by the winch to individually lift and lower each windproof / snowproof plate group.

In the illustrated embodiment, an inclined portion 1c is provided at the upper part.
In a windproof / snowproof fence with sneak-back, in which a large number of windproof / snowproof boards 5a and 5b are installed on a plurality of supports 1, a lower windproof / snowproof board group 5a connected between the vertical portions of the supports 1 so as to be foldable.
The upper windproof / snowproof plate group 5b, which is foldably connected between the inclined portions 1c of the column 1, is erected and installed, and the middle pulley 8 is mounted on the column 1.
a and the upper end pulley 8b are provided, and the windproof / snowproof plate groups 5a and 5b are provided.
And a windproof / snowproof fence with sneak-back, characterized by combining the winch 11 of the lifting wires 12a and 12b.

Attached to a column 1 having an inclined portion 1c formed at the top
Wire 12 operated by the winch 11
a, 12b, the vertical portion of the column 1 via the middle pulley 8a
The lower windproof / snowproof plate group 5a, which can be folded and connected between the upper and lower parts, is hung and released, lowered, folded and stored at the lower part of the column 1, and then the upper end. It is foldably connected and installed between the inclined portions 1c of the columns via pulleys 8b.
Hung up and down can be the top wind-snow plate group 5b, which are in fixed
Remove and descend and store it in the lower part of the column 1,
By the wire, the upper end pulley 8b rises to the upper wind-snow plate group 5b via fixed by expanded obliquely slanted portion 1c of the struts, then the lower wind-snow plate group through the middle pulleys 8a 5a
Fold up the windproof / snowproof fence with sneak-back, characterized in that it is raised and deployed between the vertical portions of the column 1 and fixed and erected.
It is a construction method.

Further, in the windproof / snowproof fence with sneak-back, the upper column 1 having the inclined portion 1c on the lower column 1a.
b is connected to the column 1 so as to be able to be inverted, via the connecting fitting 3, and is provided as a windproof / snowproof fence with sneak-back.

In the folding and erection method of the windproof / snowproof fence with sneak-back , the lower windproof / snowproof board group 5a and the upper windproof / snowproof board group 5b are folded and stored in the lower support 1a. After the upper support 1b is folded and stored on the lower support 1a, and the upper support 1b is set on the lower support 1a,
Be fixed bridged by expansion between the vertical portion of the swash slanted portion 1c and between the posts 1 of the upper wind-snow plate group 5b and the lower wind-snow plate group 5a upper strut 1b (upper strut 1b and lower strut 1a) It is a method of folding and erection of windproof and snowproof fence with sneak-back.

The windproof / snowproof fence with sneak-back is shown in more detail. The strut 1 is formed of a relatively long H-shaped steel material or the like, and an inclined portion 1c having an appropriate angle and length is provided at an upper portion thereof. The bottom plate 1d is anchored to the concrete foundation S by anchors 1e to form a structure in which appropriate intervals are built around the side of a road, a parking lot, a site of a building, or the like. (Not shown). Or a lower support 1a preferably reinforced similarly with a built-in lattice material 2a as shown in the figure,
The lower support is composed of an upper support 1b reinforced by a lattice member 2a or the like, having an inclined portion 1c provided in an invertible manner by a hinge 3 and a connection fitting 3 such as a bolt or a nut.

Each column 1 (lower column 1a, upper column 1b)
A plurality of windproof / snowproof plates 5a and 5b (6 in the illustrated example and 5 in the inclined portion) are arranged between the vertical portions and between the inclined portions 1c, as shown in FIG. 1A. The windproof / snowproof boards 5a and 5b are fixed and stretched over substantially the entire length between the supports to shield the wind / snow F, and the windproof / snowproof boards 5a and 5b are attached to the lower part of the support 1 as shown in FIG. (Lower column 1a)
The upper support 1b is folded over the lower support 1a so that it can be folded and stored. A middle pulley 8a and an upper pulley 8b are protruded from the middle (bent portion) and upper end of the support 1 (upper support 1b), and the winch 11 is detachably attached to the lower portion of the support 1 (lower support 1a).
And folding and erection means such as wires 12a and 12b.

The wind and snow protection plates 5a and 5b are reinforced by providing a plurality of folding curves on various iron plates or synthetic resin plates as shown in the figure, and are relatively long corresponding to the spacing of the columns 1. Has formed. Also, if necessary, a perforated plate may be formed to enhance the wind / snow F shielding function. Preferably, a shaft is provided at the center to reinforce the shaft, and both ends are provided with sliding end portions 6a with sliding members 6a. 1 (lower strut 1a, upper strut 1b), and both ends of each windproof / snowproof plate 5a, 5b are vertically fitted and mounted on both sides of the strut. Further, between the windproof and snowproof plates 5a installed between the vertical portions of the columns (lower column, upper column), the links 7 are sequentially and obliquely pivotally supported and combined to form a bellows shape which is connected in an X shape (FIG. 1B), a group of lower windproof / snowboards 5a that can be folded and stored (see FIG. 2A) and deployed and installed (see FIG. 1A) between the windproof / snowboards 5b installed between the inclined portions 1c of the columns. Are similarly connected sequentially by a link 7 to form a bellows shape (FIG. 2A).
The upper windproof and snowproof plate group 5b that can be folded and stored (see FIG. 2B) and deployed and erected (see FIG. 1A).
The lower windbreak / snowboard group 5a and the upper windbreak / snowboard group 5
Reference numeral b denotes a structure in which folding and erection means including a winch 11, wires 12a and 12b, a middle pulley 8a, and an upper pulley 8b are individually operated to ascend and descend, stored, deployed, and erected.

The folding / building means comprises a middle pulley 8a protruding from a bent portion of the column 1 (upper column 1b) so as to be rotatable with a bracket, a pin or the like, and an upper end provided at an upper end of the column (upper column). The pulley 8b is similarly rotatably protruded, and
A winch 11 with a handle 11b is detachably attached to a lower portion (lower support 1a) of the arm 11a and a plurality of bolts and nuts to protrude therefrom.
a and 12b are operated through the middle pulley 8a or the upper pulley 8b to form a lower windbreak / snowboard group 5a and an upper windbreak / snowboard group 5b.
Are individually raised and lowered. The wire 12
a and windproof and snowproof plates 5a and 5b
A hook or the like (not shown) that is locked to the end shaft portion 6 is provided.

A hook 15 as shown in the figure is attached to the column 1 (upper column 1a), an intermediate portion of the wires 12a and 12b is hooked on the middle pulley 8a or the upper edge pulley 8b, and both ends of each wire are hooked. The wire is wrapped around the tool 15 and both wires are attached to the column 1 when not in use, so that the wire is always prepared.

In the above-mentioned windproof / snowproof fence with sneak-back, a plurality of supports 1 are installed at intervals and a plurality of windproof / snowproof plates 5 are provided.
a is connected to each other by a link 7 and folded down.
Each of the windproof / snowproof boards 5a is formed into a group of snowproof boards 5a.
Are fitted in the grooves on both sides of each column 1 and are vertically fitted between the vertical portions so as to be in a developed state, and the shaft portions 6 at both ends of the windproof / snowproof plate 5a at the upper and lower portions are made of bolts and nuts. It is fixed to the column 1 (the lower column 1a, the upper column 1b) with the fixing metal 9, and is stretched between the vertical portions of the column. Further, a plurality of windproof / snowproof plates 5b are connected to each other by a link 7 to form a lower windproof / snowproof plate group 5b, and both end shaft portions 6 of the respective windproof / snowproof plates 5b are supported by the respective supports 1 (upper supports 1b). Of the windproof / snowproof plate 5a in the upper and lower portions, and the shafts 6 at both ends of the windproof / snowproof plate 5a are fixed to the support columns 1 by fixing fittings 9 such as bolts and nuts. (Upper support 1
b), and stretched between the inclined portions 1c of the pillars to be erected and function as a sneak-back portion. In the seasons such as wind and snow (winter), the lower windbreak / snowboard board group and the upper windbreak / snowboard board group are used. Wind
Windshield with sneak-back to effectively shield and protect snow F etc.
It is built on snow fences (see FIG. 1A).

In the season when there is no fear of wind, snow, etc., the lower windbreak / snowboard group 5a and the upper windbreak / snowboard group 5
b, as shown in FIG. 2B, the lower part of the support 1 (the lower support 1).
The field of view can be easily widened by descending and storing it in a), and the upper column 1b can be stored by lowering the upper column 1b above the lower column 1a as required, so that the field of view can be further widened to enhance the view.
In the season of wind, snow, etc., on the contrary, the lower windproof / snowproof board group 5a and the upper windproof / snowproof board group 5b can be deployed and fixed between the columns 1, and can be stretched and laid again.

The folding and erection method using the illustrated wind-up / snow-proof fence with sneak-back will now be described in more detail.
In the season when there is no fear of the like, the winch 11 is attached to the lower part (lower support 1a) of both adjacent supports 1 and the tips (such as hooks) of two wires 12a hung on the adjacent middle pulleys 8a. Of the wire 12a is wound on the drum of the winch 11 and is rewound to the upper end of the lower windbreak / snowproof plate group 5a provided on the straight portion of the column. When the lower windshield / snowboard group 5a at the vertical portion of the column is hung on both sides via the pulley 8a, the fixing bracket 9 is removed, and the lower windshield / snowboard group 5a is lowered, the lower windshield / snowboard group 5a is easily placed. It is folded and stored at the lower part of the support (see FIGS. 1B and 2A). In addition, the lower windproof / snowproof plate group 5a folded by a fixing bracket 9 or the like attached below the support as necessary is supported at an appropriate height.

Next, the tips (hooks, etc.) of the two wires 12b hung on the adjacent upper pulley 8b are connected to the inclined portions 1c of the two columns.
The upper windproof / snowproof board of the column is engaged with the lower end both ends of the upper windproof / snowproof board group 5b, and the wire 12b is operated in the same manner, via the upper pulley 8b. When the group 5b is hung, the fixing metal 9 is removed, and the upper windproof / snowproof board group is lowered, the upper windproof / snowproof board group 5b is easily folded and stored on the lower windproof / snowproof board group 5a under the column 1. (See FIG. 2B). Each end of the wires 12a and 12b wrapped around the intermediate pulley 8a and the upper pulley 8b is wound around the hook 15, and the winch 11 is removed to enhance the visibility between the columns and the view.

In the case of the column 1 in which the upper column 1b is connected to the lower column 1a so that the upper column 1b can be inverted by the connection fitting 3, the lower windshield / snowboard group 5a and the upper windshield / snowboard are provided below the column 1 (the lower column 1a). After the group 5b is folded and stored, the upper column 1b
Can be stored on the lower support 1a to further enhance the field of view and view.

In the season of wind, snow F, etc., the winch 11 is similarly attached to the lower part of the column, and the tip of the wire 12b is engaged with the shaft end 6 on the upper part of the upper group of windproof and snowproof boards 5b. When the base of the wire 12b is wrapped around the drum of the winch 11, the upper windbreak / snowboard group 5b is suspended and lifted, the upper windbreak / snowboard group 5b is deployed and arranged on the inclined portion 1c of the support, and When the two shaft ends 6 of the upper wind and snow plate group 5b are fixed to the columns by the fixing bracket 9, the respective wind and snow plate groups 5b of the upper wind and snow plate group 5b are attached to the inclined portion 1c and installed again. (See FIG. 1B). Next, the distal end of the wire 12a is similarly engaged with the both end shaft portions 6 of the upper lower wind / snow plate group 5a and operated. The lower windbreak / snowboard group 5a is extended and arranged on the vertical portion, and the upper and lower shaft end portions 6 are fixed to the pillars by the fixing brackets 9 to form the upper windbreak / snowboard board group 5b and the lower windbreak / snowboard board. The group 5a is easily stretched between the inclined portion 1c and the vertical portion of the column, and is erected again (see FIG. 1A). Remove winch 11 and remove both wires 1
The 2a and 12b are arranged between the middle pulley 8a, the upper pulley 8b and the hook 15 so that they are not particularly noticeable.

A windproof / snowproof fence with a sneak-back is usually constructed high with a large number of windproof / snowproof plates 5a and 5b stretched between relatively long supports 1 to enhance the wind / snow F shielding effect. Therefore, when a large number of windproof / snowproof boards are fixed with bolts and nuts as in the conventional example shown in FIG. 5, removal and re-installation of each windproof / snowproof board become extremely troublesome. Windproof / snowproof fence with sneak-back and this folding
The erection method is a lower storm / snowproof plate group 5a in which a plurality of windproof / snowproof plates 5a installed on the vertical portions of the respective posts are foldably connected by links 7 and fitted up and down on the posts. A plurality of windproof / snowproof plates 5b erected on the inclined portion 1c of the above are connected to the links 7 so as to be foldable and fitted upright on the pillars to form an upper windproof / snowproof plate group 5b. The upper and lower pulleys 8b are provided, and the winch 11 for operating the lifting wires 12a and 12b is detachably attached to the lower part of the column, so that the folding and erection means (the winch 11, the wires 12a and 12b, the intermediate pulley 8) are provided.
a, the upper sheave 8b), as described above, the lower windshield / snowboard panel 5a and the upper windshield / snowboard panel 5b are suspended and lowered in two separate steps, so that the lower windshield / snowboard panel 5b can be easily and efficiently compacted to the lower part of the column. It is folded and stored, and conversely, it is suspended and lifted in a separate two-stage operation, and is developed, fixed, and tightened on the inclined portion 1c and the straight portion of the column, and is easily and efficiently installed again. Also,
A large number of erected windproof / snowproof plates 5a and 5b are restrained from swinging by the connection by the link 7 even though they are arranged so as to be able to move up and down with respect to the column, and the wind / snow F shielding performance and reliability. Has been raised.

Also, as shown in the drawing, a column 1 in which an upper column 1b is connected to a lower column 1a via a connecting bracket 3 so as to be able to be inverted.
In this case, the lower windshield / snowboard group 5
After folding and storing the upper windproof / snowproof plate group 5b, the bolts and nuts of the connection fittings 3 are removed, and the upper support 1b is lowered onto the lower support 1a and stored to further enhance the field of view and view. At the time of rebuilding, the upper support 1 is placed on the lower support 1a.
After b is fixed with the bolts and nuts of the connecting fitting 3,
As described above, the upper windproof / snowproof board group 5b and the lower windproof / snowproof board group 5a can be raised, deployed, fixed, and easily re-installed. In addition, it is also possible to perform the above-mentioned folding storage and rebuilding with one wire as needed.

[0026]

The windproof / snowproof fence with sneaking up of the present invention and
The folding-erection method, skewing the upper constructed as described above
A lower wind-snow plate group of bridged multiple windproof snow board folding and vertically movable to and fitted between the vertical portion of the part was formed pillars, a plurality of wind-snow plate between the mounting posts of the swash slanted portion It is provided with a group of upper windproof and snowproof plates which are erected and fitted so as to be able to be folded up and down. By means of folding and erection ( winches, wires , middle pulleys and upper pulleys), a group of lower windproof and snowproof plates and an upper windproof and snowproof plate are provided. The plate group can be individually folded and stored in the lower part of the column by a simple two-stage operation of hanging , unfixing, and descending to easily and efficiently spread the field of view. In addition, it is stored at the lower part of the column by the folding and erection means.
The upper and lower windbreak and snowboard groups are individually suspended.
With a simple two-step operation of holding , rising, deploying and fixing, each windproof / snowproof board can be easily and efficiently deployed and fixed on the slanted part and the straight part of the column,
Folding and erection performance has been significantly improved as well as workability.

In the windproof / snowproof fence with sneak-back, a sneak-back with a sloping part is provided on the lower stake, the upper stilt having a slanted portion being connected to the lower stake via a connecting bracket so as to be able to be inverted.
It is characterized by windproof and snowproof fences, and after folding the lower windproof and snowproof plate group and the upper windproof and snowproof plate group into the lower support, the upper support is folded over the lower support and stored, and the upper support is the lower support. After standing on the upper side, the upper windbreak / snowboard group is deployed on the oblique part of the upper column and stretched, and then the lower windbreak / snowboard group is deployed on the vertical section of the upper column and the lower column. Do
The folding and erection method is characterized by the folding and storage of the lower windproof / snowproof board group and the upper windproof / snowproof board group, as well as the storage of the upper support, which allows the field of view to be further widened. It is even higher.

[Brief description of the drawings]

FIG. 1 is a side view (A) at the time of erection showing one embodiment of the present invention.
Side view (B) showing the folding process of the lower windbreak and snowboard group

FIG. 2A is a side view showing an embodiment of the present invention, showing a folding process of an upper windproof / snowproof board group, and a side view showing a folded state of a lower windproof / snowproof board group and an upper group of snowproof boards; Figure (B)

FIG. 3 is an enlarged front view (A) and a top view (B) of an upper part of a support of a windproof / snowproof fence with sneaking up

FIG. 4 is a front view (A), a top view (B), and a side view (C) showing a folded state of a windproof / snowproof fence with sneaking up;

FIG. 5 is a front view (A) and a side view (B) of a conventional windproof / snowproof fence with sneak-back.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Support 1a Lower support 1b Upper support 1c Inclined part 3 Connection metal fittings 5a, 5b Windproof / snowproof board or lower windproof / snowproof board group, upper windproof / snowproof board group 8a Middle pulley 8b Upper pulley 11 Winch 12a, 12b Wire

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E01F 7/02

Claims (4)

(57) [Claims] 1. A windproof / snowproof fence with a sneak-back, in which a number of windproof / snowproof boards are installed on a plurality of pillars having an inclined portion formed on an upper part, and a lower windproof / snowproof board connected foldably between vertical portions of the pillars. The upper and lower windproof / snowproof plate groups that are foldably connected between the obliquely inclined portions of the columns are installed with the upper and lower vertical windproof and snowproof plates, and the middle stage pulley and the upper end pulley are mounted on the columns. A windproof / snowproof fence with sneak-back, which is provided with a winch of a wire for raising and lowering the windproof / snowproof board group. 2. A crest mounted on a column having an inclined portion formed on an upper part thereof.
Elevating wire operated by inch, foldably connected between the vertical parts of the column through the middle pulley and installed
And then hung vertically can lower windproof snow plate group are fixed
And the detached descending stored folded in the lower part of the column, then rack and foldably connected to between the mounting posts of the swash slanted portion through the upper pulley
Solid was suspended vertically possible upper windproof snow plate group are set
Take it down, lower it, fold it down at the bottom of the column, and
By the wire, by deploying fixed between the mounting posts of the oblique slanted portion rising the upper wind-snow plate group through the upper pulley, the strut and then raising the lower wind-snow plate group through the middle pulley A method for folding and erection of a windproof and snowproof fence with sneak-back, characterized by being deployed between vertical parts and fixed and erected. 3. The spill-over windproof / snow-proof fence according to claim 1, wherein the upper support with the inclined portion is formed on the lower support so as to be able to stand upside down via a connecting bracket. Wind and snow fences. 4. A windproof / snowproof fence with sneak-back according to claim 2.
In the folding and erection method, the lower windproof / snowproof board group and the upper windproof / snowproof board group are folded and stored on the lower support, then the upper support is folded down on the lower support and stored, and the upper support is mounted on the lower support. After setting it up, the upper windbreak / snowboard group and the lower windbreak
Folding-erection method Shinobigaeshi with windproof snow fences, characterized in that the snow plate group is deployed between between struts oblique slanted portion and a vertical portion fixed to erection with.