JP7099934B2 - Ceiling board mounting push-up device - Google Patents

Description

The present invention is a device used when fixing the ceiling plate of a building such as various houses to the ceiling base frame, and the ceiling plate is pushed up to the position of the upper ceiling base frame with the ceiling plate placed, that is, the field. It relates to a ceiling plate mounting push-up device that can be joined to the edge so that it can be installed, and then fixed work such as screwing can be performed.

Examples of this type of device include the ceiling board support device described in the following patent document previously proposed by the applicant of the present application.
An object of the invention described in this patent document is to provide a ceiling plate support device used for fixing a ceiling plate made of gypsum board to a ceiling base frame.

Its configuration consists of a strut, a reciprocating movable part that moves up and down and reciprocating along this strut, and a ceiling plate support part. The vertical frame reciprocates along the columns, and the other vertical frame extends upward to serve as a ceiling plate support.
A gas spring that constantly urges the ceiling plate support portion upward is provided in the reciprocating movable portion, and a stopper member that stops the urging force of the gas spring is provided. A stopping means for stopping the reciprocating movable portion at an arbitrary height position of the support is provided. When the reciprocating movable part is moved to an appropriate height position of the column and stopped by the stopping means, the vertical frame of the reciprocating movable part and the ceiling plate support portion are pushed downward, and then the stop by the stopper member is released, the ceiling plate support portion is released. Is configured to move upward.

With the above configuration, the ceiling plate support portion can push the ceiling plate upward in two stages due to the presence of the reciprocating movable portion that moves up and down.
That is, first, the user moves the reciprocating movable portion upward along the support column at a required height position. This is the first step up.
After that, the user grips the vertical frame on the ceiling plate support side of the reciprocating movable portion and pushes it downward, and the ceiling plate is placed on the ceiling plate support portion, and the user can use one hand to cover the ceiling plate. Grasp the side edges and the like.
Here, at the point where the vertical frame on the ceiling plate support side is pushed down, it is pushed down in advance.

After that, when the user releases the stop of the stopper member of the upward urging member by the other hand, the ceiling plate support portion moves upward and the ceiling plate is pushed upward. This is the second push up.
The user can climb the stepladder as appropriate as the ceiling board is pushed up, and join the ceiling board to the ceiling base frame.
After that, the user can screw the ceiling board to the ceiling base frame and fix the ceiling board to the ceiling base frame (field edge).

Japanese Unexamined Patent Publication No. 2017-8620

In the above-mentioned conventional ceiling plate support device, the ceiling plate support portion only supports one side edge portion of the ceiling plate, and the other side edge portion is supported and used by the user by his / her own hand. It was something to do.
That is, in the conventional ceiling plate support device, a part of the ceiling plate is supported and pushed up.
In the present invention, it is possible to support the entire ceiling plate to be constructed, and it is pushed up to the position of the ceiling base frame, and then the user does not need to support the ceiling plate, and both hands such as screwing are performed. The challenge is to provide a device that can be used in.
Further, it is an object of the present invention that the device can be easily moved to an appropriate position below the ceiling base frame, and that a form in which the device is easy to operate is adopted.

In order to solve the above problems, the first object of the present invention is a main body portion, a ceiling plate mounting portion on which a ceiling plate is mounted, a support portion for supporting the ceiling plate mounting portion, and the ceiling plate. A first fluid pressure cylinder for rotating the mounting portion, a second fluid pressure cylinder for raising the ceiling plate mounting portion, and the first and second fluid pressure cylinders provided at appropriate positions on the rear surface side of the main body portion. The main body is composed of an operation part that operates the main body, and the lower part of the main body below the main body and the upper part of the main body above the main body are connected by a support column, and the lower part of the main body and the upper part of the main body are connected to the second fluid pressure cylinder. The strut portion expands and contracts up and down, the upper portion of the main body can reciprocate up and down, and the support portion that supports the ceiling plate mounting portion is a front front support portion and a rear rear support portion. The front support portion and the lower end portion of the rear support portion are rotatably supported by the upper portion of the main body, and the front support portion and the upper portion of the main body are connected by the first fluid pressure cylinder. The front support portion can be rotated by the first fluid pressure cylinder to bring the ceiling plate mounting portion into a substantially horizontal state, and the ceiling plate can be placed on the ceiling plate mounting portion. The fluid pressure cylinder is extended to make the ceiling plate substantially horizontal, the second fluid pressure cylinder is extended to raise the ceiling plate to the position of the ceiling base frame and joined, and then by fixing means such as screws and nails. It is a ceiling plate mounting push-up device characterized in that the ceiling plate can be fixed to the ceiling base frame.
Here, the front-back positional relationship of "rear surface side", "front", or "rear" is positioned on the side of the operation unit when the user uses the device according to the present invention, and the device is operated and used. Therefore, since the user is located on the rear side of the device and uses the device, the side where the operation unit is provided is the rear side, and the opposite side is the front side.

The second aspect of the present invention is the ceiling plate-mounted push-up device according to the first aspect, wherein the first and second fluid pressure cylinders utilize compressed air.

The third aspect of the present invention is the ceiling plate mounting push-up device according to the first or second invention, wherein four casters are provided on the bottom surface of the lower portion of the main body.

In the fourth aspect of the present invention, in any one of the first to third inventions, a cross rail is provided in the lateral direction at an appropriate height position on the rear surface of the lower portion of the main body, and both ends of the cross rail are used. It is a ceiling plate mounting push-up device that is formed as a handle portion of a person and is provided with the operation portion on the cross rail or on the peripheral portion of the cross rail.

A fifth aspect of the present invention comprises, in each of the above inventions, the lower portion of the main body is composed of a single strut that hangs down substantially in the center of the rear surface side, and a plurality of support frames that support the strut. A strut portion that extends further upward from the upper end portion of the strut and expands and contracts up and down is provided, and the upper portion of the main body can be pushed up by the second fluid pressure cylinder, and the front support portion is composed of one frame. The rear support portion is a ceiling plate mounting push-up device characterized by having a frame body having a substantially rectangular shape or a substantially U-shape.

In the first aspect of the present invention, the user can use the ceiling plate such as a plaster board when fixing the ceiling plate to the ceiling base frame, and the ceiling plate is placed on the ceiling plate mounting portion. Then, the device is moved and arranged below the mounting position of the ceiling base frame, and the operation unit is operated to extend the first fluid pressure cylinder to bring the ceiling plate into a substantially horizontal state, and then the second fluid pressure. The cylinder can be extended to raise the ceiling plate to the position of the ceiling base frame and join it, and then the ceiling plate can be fixed to the ceiling base frame by fixing means such as screws and nails.

Here, the order in which the first fluid pressure cylinder and the second fluid pressure cylinder are operated is arbitrary, and it is also possible to operate the second fluid pressure cylinder first.
Further, the ceiling plate can be moved and arranged below the desired mounting position of the ceiling base frame in a state where the ceiling plate is appropriately pushed up to a height position in a substantially horizontal state.
As described above, in the ceiling plate mounting push-up device according to the present invention, the user can freely select the operation procedure or the operation procedure and determine the order thereof.

The second aspect of the present invention is a further embodiment of the present invention, and is limited to the use of compressed air as the first and second fluid pressure cylinders.

The third aspect of the present invention is characterized in that four casters are provided on the bottom surface of the lower portion of the main body, facilitating the movement of the apparatus according to the present invention, and moving and arranging the ceiling base frame to a predetermined position. Is made easy.

In the fourth aspect of the present invention, a cross rail is provided in the lateral direction at an appropriate height position on the rear surface of the lower portion of the main body, and both ends of the cross rail are formed as handle portions of the user, and the cross rail is on the cross rail. Alternatively, it is limited to the provision of the operation unit in the peripheral portion of the cross rail.
As a result, the user of the device according to the present invention can easily move the device by standing on the rear side of the device and grasping the handles at both ends of the cross rail, and the first and second fluids are described above. The pressure cylinder can be easily operated.

In the fifth aspect of the present invention, the lower part of the main body and the support part of the apparatus of the present invention are more embodied, that is, the lower part of the main body is one that hangs down substantially at the center of the rear surface side. It is composed of a support column and a plurality of support frames that support the support column, and a support column portion that extends upward from the upper end portion of the support column and expands and contracts up and down is provided. It is limited to the fact that the front support portion can be pushed up and the front support portion is composed of one frame, and the rear support portion is composed of a frame body having a substantially rectangular shape or a substantially U-shape.

It is a side view which illustrates one Embodiment which concerns on the ceiling board mounting push-up apparatus of this invention, and shows the initial state before operation. It is a perspective view which saw the said embodiment from the rear side. FIG. 2 is a perspective view seen from the rear side in a state where the ceiling plate is mounted on the ceiling plate mounting portion of the ceiling plate mounting push-up device in the state shown in FIG. It is a perspective view seen from the front side which shows the state which the ceiling board mounting part is made substantially horizontal in the said embodiment. It is a side view which shows the state which pushed up the ceiling board mounting part upward in the said embodiment. It is explanatory drawing which illustrates the operation part in the said embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a side view illustrating an embodiment of the ceiling plate mounting push-up device of the present invention, showing an initial state before operation.
FIG. 2 is a perspective view of the above embodiment as viewed from the rear side.

First, the ceiling plate mounting push-up device according to the present invention includes a main body portion 10, a ceiling plate mounting portion 20 on which a ceiling plate can be mounted, a front support portion 31, a rear support portion 32, and the ceiling plate mounting portion. A first fluid pressure cylinder 33 that rotates 20 in a substantially horizontal state, a second fluid pressure cylinder 34 that raises the ceiling plate mounting portion 20, and the first fluid pressure cylinder 34 provided at an appropriate position on the rear surface side of the main body portion 10. It consists of an operating unit 40 that operates the first and second fluid pressure cylinders 33 and 34.

In the main body 10, the lower main body 11 below the main body and the upper main body 12 above the main body 12 are connected by a support column 13, and the lower main body 11 and the upper main body 12 are connected by the second fluid pressure cylinder 34. As a result, the support column 13 expands and contracts up and down, and the upper body portion 12 can reciprocate up and down.
In the configuration in which the support column 13 expands and contracts up and down, the support column portion 13 may be formed so as to be freely visible at the upper end portion of the lower portion 11 of the main body.

In this embodiment, the lower portion 11 of the main body has a support column 15a erected from a substantially central portion on the short side of the bottom surface constituent frame 14 having a substantially trapezoidal shape in a plan view (the rear is a short side and the front is a long side). The stanchions 15a are supported by four support frames 16, the stanchions 15b extend further upward from the stanchions 15a, and the stanchions 13 can be embedded and extended inside the stanchions 15b. ing.

The configuration of the lower portion 11 of the main body can be designed completely freely, and can be implemented without the combination of frames as described above.
In short, any structure may be used as long as the support column portion 13 can appear and disappear from the upper end portion of the main body lower portion 11 and the support column portion 13 can be expanded and contracted up and down.

On the other hand, the main body upper portion 12 fixed to the upper end portion of the support column portion 13 has a frame body (see FIG. 1) having a shape (see FIG. 1) in which the side view English character F is inverted left and right (abbreviated English character F shape when viewed from the opposite side). ), And is fixed to the upper end of the support column 13 on the rear side thereof.
A rear support portion 32 is rotatably provided at the upper end of the rear end of the main body upper portion 12, while the rear end portion of the front support portion 31 is also rotatably supported by the main body upper portion 12. There is.

The upper end portion of the first fluid pressure cylinder 33 is connected to the front support portion 31, and the lower end portion of the first fluid pressure cylinder 33 is connected to the lower end portion of the main body upper portion 12.
On the other hand, the lower end portion of the second fluid pressure cylinder 34 is connected to the support column 15a of the lower body portion 11, and the upper end portion of the second fluid pressure cylinder 34 is connected to the upper body portion 12.

The front support portion 31 is composed of one frame body, the tip portion thereof is rotatably connected to the intermediate portion of the horizontal frame 21 of the ceiling plate mounting portion 20, and the rear end portion thereof is rotated to the upper portion 12 of the main body. It is connected freely.
The rear support portion 32 is composed of a substantially U-shaped frame body, and both end portions on the rear side thereof are rotatably connected to the rear upper end portion of the upper portion of the main body.

The ceiling board mounting portion 20 is made of a substantially rectangular frame body on which a ceiling board such as gypsum board can be placed, and is formed by fixing the vertical frame 22 and the horizontal frame 21 in an appropriate combination.
A ceiling plate can be placed on the ceiling plate mounting portion 20, and a stopper 23 is provided at the front end of the vertical frame 22, and when the ceiling plate mounting portion 20 is in an oblique state, the ceiling plate is provided. Is configured so that it does not fall downward.

Reference numerals 33t and 34t in the figure are tubes of compressed air connected to the first fluid pressure cylinder 33 and the second fluid pressure cylinder 34, and the tube 33t is connected from the operation unit 40 to the first fluid pressure cylinder 33. Then, the tube 34t is connected from the operation unit 40 to the second fluid pressure cylinder 34.
Further, reference numeral 35 in the figure indicates a tube connected to the operation unit and the compressed air supply device (not shown).

Here, in the present embodiment, the operation unit 40 is provided on the rear surface side of the lower portion 11 of the main body, and more specifically, the cross rail 41 is arranged in the lateral direction of the upper portion of the support column 15b of the lower portion 11 of the main body. An operation unit 40 is provided in a substantially central portion thereof.
Both ends of the cross rail 41 serve as the handle portion 41t of the user.

Further, in this embodiment, casters are provided on the lower surfaces of the four corners of the frame body constituting the bottom surface portion 14 of the main body portion 10, and the handle portion 41t is gripped by both hands so that the apparatus according to the present invention can be easily positioned at a desired position. It is configured so that it can be moved.

FIG. 3 is a perspective view of the ceiling plate mounting push-up device according to the present invention in the state shown in FIG. 2 as viewed from the rear side in a state where the ceiling plate is mounted on the ceiling plate mounting portion.
The ceiling plate mounting and pushing device in the state shown in FIG. 3 is the same as that shown in FIG. 2, and the ceiling plate T is placed on the ceiling plate mounting portion 20 of the ceiling board mounting and pushing device. It is an illustration of the state of the ceiling.

At the front end of the vertical frame 22 of the ceiling plate mounting portion 20, although it is hidden and invisible due to the presence of the ceiling plate T in the figure, stoppers 23 are provided respectively, and the front of the ceiling plate mounting portion 20 is tilted downward. Even so, the ceiling plate T does not fall.
The first fluid pressure cylinder 33 can be extended from the state of FIG. 3 and pushed up and rotated in front of the ceiling plate mounting portion 20 to bring the ceiling plate T into a substantially horizontal state.

FIG. 4 is a perspective view seen from the front side showing a state in which the ceiling plate mounting portion is substantially horizontal in the above embodiment.
The front support portion 31 whose front end is pivotally attached to the horizontal frame 21 of the ceiling plate mounting portion 20 is rotatably attached to the rear end thereof with the upper body portion 12 and is connected to the intermediate portion of the front support portion 31. The front support portion 31 is pushed up by the first fluid pressure cylinder 33 connecting the upper portion 12 of the main body, and the front support portion 31 rotates counterclockwise around its rear end.

As a result, the front end of the front support portion 31 rotates upward, and the ceiling plate mounting portion 20 is in a substantially horizontal state.
In conjunction with the movement of the front support portion 31, the side of the rear support portion 32 also rotates counterclockwise.
As is well understood from FIG. 4, the rear support portion 32 is composed of a substantially U-shaped frame body, and rotates counterclockwise around the lower end portions 32s of the vertical frames on both sides thereof.

Here, the rear support portion 32 can be implemented even if it does not have a substantially U-shape as described above, and may be, for example, a frame body having a substantially rectangular shape, at the central portion of the horizontal frame below the frame. It suffices if it is rotatably attached to the upper portion 12 of the main body.

Here, in the present embodiment, as described above, the operation unit 40 is provided on the rear surface side of the lower portion 11 of the main body, and more specifically, the cross rail 41 is provided laterally to the upper portion of the support column 15b of the lower portion 11 of the main body. The operation unit 40 is provided at a substantially central portion thereof.
Both ends of the cross rail 41 serve as the handle portion 41t of the user, and can be easily moved to a desired position by the casters provided at the four corners of the bottom surface portion 14 of the main body portion 10.

As described above, after the ceiling plate T is placed on the ceiling plate mounting portion 20 to be in a substantially horizontal state, the second fluid pressure cylinder 34 can be operated to push up the ceiling plate T upward. The state is shown in FIG. 5 below.

FIG. 5 is a side view showing a state in which the ceiling plate mounting portion is pushed upward in the above embodiment.
In this figure, the ceiling plate is not shown.
In the state of FIG. 3, the upper body portion 12 is pushed upward by extending the second fluid pressure cylinder 34.

That is, as described above, the operation of the first fluid pressure cylinder 33 causes the front support portion 31 to rotate, and the rear support portion 32 that follows the rotation causes the ceiling plate mounting portion 20 to be in a substantially horizontal state. The device according to the invention is moved to a position below the ceiling base frame in which the ceiling plate should be installed to operate the second fluid pressure cylinder 34.

Based on this, the upper portion 12 of the main body is pushed upward, the ceiling plate mounting portion 20 rises, the ceiling plate is joined to, for example, the field edge of the ceiling base frame, and then screwed or the like is performed, and the ceiling plate is fixed. Can be fixed and installed on the field edge.
When the ceiling plate is screwed, the builder uses a stepladder, but after fixing the ceiling plate to the extent that it does not fall, the device according to the present invention is moved to further screw the ceiling plate. You can continue.
The construction work procedure during this period can be changed as appropriate.

FIG. 6 is an explanatory diagram illustrating an operation unit according to the above embodiment.
The operation unit 40 according to the present embodiment is provided at a substantially central portion of a cross rail 41 provided above the support column 15b of the lower portion 11 of the main body.
That is, the operation unit 40 includes open / close valves 33v, 34v and 35v, and a pipe 42 connecting them.

A tube 35 connected to a compressed air supply device (not shown) is connected to the main plug 45, a supply / exhaust valve 35v is located above the main plug 45, and a second pipe 42 extends in the lateral direction thereof. An on-off valve 34v connected to the two fluid pressure cylinders is provided, and an on-off valve 33v connected to the first fluid pressure cylinder 33 is provided at the end of the pipe 42.

The operation procedure is as follows.
The main plug 45 is opened to supply compressed air to the supply / exhaust valve 35v. The first fluid pressure is set by setting the supply / exhaust valve 35v to the air supply state of air supply, closing the opening / closing valve 34v to the second fluid pressure cylinder, and opening the opening / closing valve 33v to supply the first fluid pressure cylinder 33. The operation of the cylinder can be started.

By supplying compressed air to the first fluid pressure cylinder 33, the piston rod of the first fluid pressure cylinder 33 extends and rotates the front support portion 31 to bring the ceiling plate mounting portion 20 into a substantially horizontal state.
After that, by opening the on-off valve 34v, the second fluid pressure cylinder 34 operates, the biston rod extends, and the upper body portion 12 is pushed upward.

In this state, the ceiling board is joined to the ceiling base frame, and the screw fixing work can be performed.
After the screw fixing work is completed, the compressed air is exhausted by rotating the supply / exhaust valve 35v to the exhaust position, the compressed air in the first and second fluid pressure cylinders is exhausted, and both fluids are exhausted. The piston rods of the pressure cylinders 33 and 34 contract, and the front support portion 31 and the rear support portion 32 return to their original initial state positions.

After the fixing work of one ceiling plate is completed, the on-off valves 33v and 34v are returned to the closed state.
By repeating the above procedure, one ceiling plate is fixed to the ceiling base frame by the ceiling plate mounting push-up device according to the present invention, and then by repeating this, the ceiling plates are sequentially joined and fixed to the ceiling base frame. It will be.

Although the embodiments have been described above, various design changes can be made in the present invention as follows.
First, in the present invention, the lower part of the main body is made of wood, the support column 15b extending upward from the lower part of the main body is made of metal (aluminum), and the other components are also made of metal (aluminum). However, the material can be adopted completely freely.

The size of each member can be changed as needed.
The first and second fluid pressure cylinders can also use other fluids such as oil instead of compressed air.
The lower part of the main body is also composed of various frames, but this can also be in the form of a box.

In short, it is sufficient to adopt a structure in which the support column portion 13 stands upright from the lower portion of the main body and reciprocates up and down, that is, expands and contracts up and down.
The configuration and form of the upper part of the main body can be completely freely changed in design. In short, the upper part of the main body is fixed to the upper end of the support column 13, and the front support part and the rear support part rotate in the upper part of the main body. Then, the ceiling plate mounting portion may be configured to be held in a substantially horizontal state.

Then, it suffices if the first fluid pressure cylinder rotates the front support portion to bring the ceiling plate mounting portion into a substantially horizontal state, and then the ceiling plate mounting portion can be pushed upward by the second fluid pressure cylinder. be. This procedure can be reversed.
As described above, various types of fluid pressure cylinders can be used.

The operation unit provided on the rear surface side of the main body portion is also provided at the substantially central portion of the cross rail 41 as in the above embodiment, but this operation portion can also be provided on the peripheral portion of the cross rail, for example, on the support column 15b. , If it is a lower portion of the main body having a different configuration, it can be provided at an appropriate position on the rear surface side.
After the ceiling plate is joined to the ceiling base frame, it is screwed, etc. Specifically, various fixing means such as screws, nails, adhesives, etc. can be used individually or in combination. ..

As described above, in the present invention, a ceiling plate such as gypsum board is placed on the ceiling plate mounting portion of the device, moved to the lower side of the desired position of the ceiling base frame, and the ceiling plate mounting portion is easily rotated. It was possible to provide a ceiling board mounting push-up device that can be pushed up and joined to the ceiling base frame to easily perform fixing work such as screwing.

10 Main body 11 Main body lower part 12 Main body upper part 13 Support part 14 Bottom composition frame body 14c Caster 15a, 15b Support frame body 20 Support frame body 20 Ceiling plate mounting part 21 Horizontal frame 22 Vertical frame 23 Stopper 31 Front support part 32 Rear support Part 33 First fluid pressure cylinder 34 Second fluid pressure cylinder 33t, 34t, 35 Tube 40 Operation part 41 Side rail 41t Handle part 42 Piping 33v, 34v Open / close valve 35v Supply / exhaust valve 45 Main plug T Ceiling plate

Claims (5)

The main body, the ceiling plate mounting portion on which the ceiling plate is mounted, the support portion that supports the ceiling plate mounting portion, the first fluid pressure cylinder that rotates the ceiling plate mounting portion, and the ceiling plate. It consists of a second fluid pressure cylinder that raises the mounting portion and an operation unit that operates the first and second fluid pressure cylinders provided at appropriate positions on the rear surface side of the main body portion.
In the main body portion, the lower portion of the main body below the main body and the upper portion of the main body above the main body are connected by a strut portion, and the lower portion of the main body and the upper portion of the main body are connected by the second fluid pressure cylinder, and the strut portion is moved up and down. The upper part of the main body can reciprocate up and down.
The support portion that supports the ceiling plate mounting portion is composed of a front front support portion and a rear rear support portion, and the lower ends of the front support portion and the rear support portion are rotatably supported by the upper portion of the main body. The front support portion and the upper portion of the main body are connected by the first fluid pressure cylinder, and the front support portion is rotated by the first fluid pressure cylinder to bring the ceiling plate mounting portion into a substantially horizontal state. It is possible,
The ceiling plate is placed on the ceiling plate mounting portion, the first fluid pressure cylinder is extended to bring the ceiling plate into a substantially horizontal state, and the second fluid pressure cylinder is extended to extend the ceiling plate to the ceiling base frame. A ceiling plate mounting push-up device characterized in that the ceiling plate can be fixed to the ceiling base frame by a fixing means such as a screw or a nail after raising the ceiling plate to the position of. The ceiling plate mounting push-up device according to claim 1, wherein the first and second fluid pressure cylinders utilize compressed air. The ceiling plate mounting push-up device according to claim 1 or 2, wherein four casters are provided on the bottom surface of the lower portion of the main body. A cross rail is provided in the lateral direction at an appropriate height position on the rear surface of the lower portion of the main body, both ends of the cross rail are used as handles for the user, and the operation is performed on the cross rail or on the peripheral portion of the cross rail. The ceiling plate mounting push-up device according to any one of claims 1 to 3, wherein the portion is provided. The lower part of the main body is composed of one support column that hangs down substantially in the center of the rear surface side and a plurality of support frames that support the support column, and further extends upward from the upper end portion of the support column and expands and contracts up and down. A strut portion is provided, the upper portion of the main body can be pushed up by the second fluid pressure cylinder, the front support portion is composed of one frame, and the rear support portion is a frame having a substantially rectangular shape or a substantially U shape. The ceiling plate mounting push-up device according to any one of claims 1 to 4, wherein the device is composed of a body.

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