JPH108539A - Handle for narrow grating - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a handle that does not need to be prepared as a separate accessory while not requiring an additional processing applied to a bearing bar and is easily applied to an existing narrow grating. SOLUTION: A handle for narrow grating is equipped with a fixing member 2 approximately in a U-shaped section that covers, riding across adjoining two bearing bars 11 of a narrow grating 10, and is constructed of a handle member 4 approximately in a U-shaped section that is supported with a bolt holding the fixing member 2 at the underside of the bearing bars 11 so that the handle member can be turned between the bearing bars 11 and constantly stored under the surface of the bearing bars 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handle for lifting fine grating.

[0002]

2. Description of the Related Art A grating provided to cover a gutter or the like of a road is lifted and removed before starting work and is returned to its original covering state after the work is completed in cleaning or maintaining the gutter or the like. . With normal gratings with a large spacing between bearing bars, human hands can be easily inserted into the gaps between the bearing bars, so that they can be easily lifted using only human power or using any tool. Be moved. However, in the fine grating, the interval between the bearing bars is narrow, and a human hand cannot be inserted into the gap. For this reason, a fine grating handle is separately provided as an accessory. Further, in the fine grating, a process for mounting the fine grating handle is performed on the bearing bar.

[0003]

The conventional fine grating handle has the following problems due to the above-mentioned structure. That is, when the fine grating is delivered, the handle for the fine grating must always be attached separately. In addition, fine grating requires additional processing on the bearing bar. Further, with regard to the existing fine grating, it is necessary to perform additional processing on the bearing bar in order to use the fine grating handle.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and does not require any additional processing on the bearing bar without separately preparing an accessory. An object of the present invention is to provide a handle for fine grating that can be easily applied to grating.

[0005]

In order to achieve the above object, a fine grating handle according to the present invention is constructed as follows. In other words, a substantially U-shaped fixing member that straddles two bearing bars adjacent to the fine grating and a bolt that holds the fixing member below the bearing bar is rotatably supported and can rotate between the bearing bars. Approximately U that can always be stored below the surface of the bearing bar
And a handle member shaped like a letter.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the fine grating handle according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is a front view showing an installed state of a fine grating handle according to the present invention, FIG. 2 is a left side view of FIG. 1, and FIG. 3 is a plan view showing a washer.

In the drawing, reference numeral 1 denotes a fine grating handle. The fine grating handle 1 has a substantially U-shaped fixing member 2, a rectangular washer 3 provided with two through holes, U-shaped handle member 4, one set of bolts 5
And a nut 6.

The fixing member 2 has an intermediate side portion 2a and an end side portion 2b provided at both ends thereof at a right angle.
And two bearing bars 1 adjacent to the fine grating 10 in the middle side 2a.
1 and two end sides 2 b project downward beyond the height of the bearing bar 11 of the fine grating 10. At two base portions of the end side portion 2b, that is, at a position bent from both ends of the intermediate side portion 2a, a cutout portion 2c for engaging with the cross bar 12 of the fine grating 10 is provided. . In the two end sides 2b, through holes 2d are provided at a plurality of positions (three positions in the figure) at predetermined positions in the length direction.

The washer 3 is provided with a through-hole 3a having substantially the same diameter as the through-hole 2d provided in the end 2b. In addition, if necessary, for a pair of opposite sides of a rectangle,
As shown in FIG. 3, the position of the through hole 3a is biased to one side,
The difference of the distance α is provided.

The handle member 4 is provided with a fine grating 10
Is a plate-like member that can be easily inserted between two adjacent bearing bars 11. A substantially U-shaped one side has a through hole extending from the tip to the base of the end side 2 b of the fixing member 2. 2d
The through-holes 4a having the same diameter are provided at a plurality of positions (three positions in the drawing) at the same distance as or slightly shorter than the distance. A handle hole 4b for inserting a hand (a plurality of fingers) is provided on the other side of the substantially U-shape. A protruding portion 4c is provided outward of the U-shaped portion at the tip of one side, and a notch 4d is provided at the tip side of the U-shaped portion of the protruding portion 4c. , A cut surface 4e.

The bolts 5 and the nuts 6 are selected to have shapes sufficient to be inserted into and fixed to the through holes 2d of the two end sides 2b of the fixing member 2.

The fine grating handle 1 composed of the above-described members is installed along the center crossbar 12 of the fine grating 10 and near both ends thereof. That is, first, the fixing member 2 is inserted so as to cover the adjacent bearing bar 11 from the upper surface of the fine grating 10, and the notch 2 c is locked to the cross bar 12.
Next, with respect to the through hole 2d (second in the figure) close to the lower surface of the fixing member 2 protruding from the lower surface of the fine grating 10,
The washer 3 is disposed on both sides of the corresponding (second in the figure) through hole 4a of the handle member 4 and inserted between two end sides 2b, and the through holes 2d, 3a of the members 2, 3, 4 are formed. Then, the bolt 5 is inserted through 4a and fixed with the nut 6.

In the fine grating handle 1 installed on the fine grating 10 in this manner, as shown by the solid line in FIG. 1, the fixing member 2 is composed of the bearing bar 11 of the fine grating 10 by the middle side 2a and the washer 3. Is sandwiched from the upper surface side and the lower surface side, and the lateral movement is regulated by the locking state of the notch portion 2 c and the cross bar 12, and is fixed to the fine grating 10. The handle member 4 has a through hole 4
Due to the eccentric load of its own weight with the bolt 5 inserted into the fixing member 2 as a fulcrum, the U-shaped opening is opened in the upper surface direction, and the tip end surface of one side is formed on the inner surface of the intermediate side portion 2a of the fixing member 2, or The cut surface 4e inside the character comes into contact with the cross bar 12 of the fine grating 10 and stops under the upper surface of the fine grating 10. That is, the fine grating 10 is installed and used in a state where the handle member 4 is located below the upper surface of the fine grating 10 as described above.

Next, when the fine grating 10 is lifted and moved, the notch 4d provided in the protrusion 4c of the handle member 4 from the upper surface side of the fine grating 10 is obliquely moved downward by a thin rod-like member (eg, a pencil). Press in the direction. As a result, the handle member 4 rotates counterclockwise in FIG. 1 with the bolt 5 as a rotation fulcrum, and the tip of the other side of the handle member 4 provided with the handle hole 4 b projects from the upper surface of the fine grating 10. When the other side of the protruding handle member 4 is further pulled out by hand, it is pulled out to the state shown by the chain line in FIG. In this state, a hand (a plurality of fingers) is hung on the handle hole 4b to lift and move the fine grating 10. When returning the fine grating 10 to the original position and returning to the use state, the handle member 4 is moved from the state shown by the chain line in FIG.
It can be easily rotated clockwise by hand and the bearing bar 1
The state shown by the solid line falls within one interval.

In the fine grating 10, the heights of the upper surface and the lower surface of the bearing bar 11 are standardized to a plurality of types. Three through-holes 2d provided in two end sides 2b of the fixing member 2 and three through-holes 4a provided in the handle member 4 are provided in accordance with a plurality of types of heights of the bearing bar 11. And one set of fine grating handles 1
Thus, it can be installed on the fine grating 10 having a plurality of heights.

The fine grating 10 includes a plain type in which the upper end surface of the bearing bar 11 is flat,
An uneven wart type that improves the anti-slip effect,
There is. Compared with the plain type, the warp type has a configuration in which the height of the bearing bar 11 is larger as the height α of the convex portion (currently 2 mm). Therefore, by providing a difference of α in the distance from the through hole 3a of the washer 3 to a pair of opposite sides, it is possible to change the direction in which one kind of washer 3 is used and to apply to both the plain type and the wart type. Become.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS At present, the fine grating 10 has a height between the upper and lower surfaces of the bearing bar 11 of 19 mm, 25 mm,
It is standardized to five types of 32 mm, 38 mm and 44 mm. At the five types of heights of the bearing bar 11, there are a plain type and a wart type, respectively. For these 10 different heights, FIG.
3d through-holes 2d of the fixing member 2 and handle members 4
H1 = 28 mm, h2 = 41 m
m, h3 = 53 mm, washer 3 is w = 6 mm, w + α
= 8 mm, w = 12 mm, w + α = 14 mm
We cope by preparing kind. The correspondence to each fine grating 10 is as follows. Types of fine grating 10 h Washer 3 of fixing member 2 19 mm plane type h1 = 28 mm w + α = 8 mm 19 mm warp type h1 = 28 mm w = 6 mm 25 mm plane type h2 = 41 mm w + α = 14 mm 25 mm warp type h2 = 41 mm w = 12 mm 32 mm plane Type h2 = 41 mm w + α = 8 mm 32 mm warp type h2 = 41 mm w = 6 mm 38 mm plain type h3 = 53 mm w + α = 14 mm 38 mm warp type h3 = 53 mm w = 12 mm 44 mm plain type h3 = 53 mm w + α = 8 mm 44 mm warp type 53 = 3 mm warp type = 6mm

[0018]

The grip for fine grating according to the present invention is constructed as described above, so that the following effects can be obtained. That is, a substantially U-shaped fixing member that straddles the two adjacent bearing bars of the fine grating and a bolt that holds the fixing member below the bearing bar is rotatable between the bearing bars and always. With a substantially U-shaped handle member that can be stored below the surface of the bearing bar, it can be easily installed without additional processing on the conventional fine grating, and as an accessory There is no need to prepare separately. Also, the existing fine grating can be easily installed without any additional processing.

[0019] Further, by being configured so that the distance from the through hole is different on one pair of opposite sides of the washer,
One type of washer can be applied to both plain type and wart type for bearing bars of the same standard.

Further, since a plurality of sets of through holes are provided in the length direction at two end sides of the fixing member, one kind of bearing bar of different standards having different heights of the bearing bar is provided. It can be adjusted with a fine grating handle.

[Brief description of the drawings]

FIG. 1 is a front view showing an installed state of a handle for fine grating according to the present invention.

FIG. 2 is a left side view of FIG.

FIG. 3 is a plan view showing a washer.

[Explanation of symbols]

 Reference Signs List 1 fine grating 2 fixing member 2a middle side 2b end side 2d through hole 3 washer 3a through hole 4 handle member 4a through hole 4b handle hole 4d notch 5 bolt 6 nut 10 fine grating 11 bearing bar 12 crossbar

Claims (3)

[Claims] An intermediate side portion (2a) and end side portions (2b) provided at both ends thereof have an intermediate side portion (2a) adjacent to a fine grating (10) in two adjacent bearing bars (1).
It has a substantially U-shape that covers over 1), and has cutouts (2c) that are engaged with the crossbar (12) at the bases of the two end sides (2b). The through hole (2
d) and the two through holes (3
a) provided with a rectangular washer (3) and a substantially U-shape, from the tip of one side of the U-shape to the base of the end side (2b) of the fixing member (2) to the through hole ( A handle member (4) provided with a through hole (4a) at the same distance as or slightly shorter than the distance up to 2d), and the washer (3) arranged on both sides of the handle member (4) and fixed. A bolt (5) inserted between two end sides (2b) of the member (2) and inserted through the through holes (2d, 3a, 4a) of each member (2, 3, 4); and A fine grating handle, comprising: a nut (6) for fixing a bolt (5). 2. A pair of opposite sides of the washer (3),
The fine grating handle according to claim 1, characterized in that the distance from the through hole (3a) is different. 3. A plurality of sets of through holes (2d) in the longitudinal direction at two end sides (2b) of the fixing member (2).
The handle for fine grating according to claim 1, wherein a handle is provided.