FR2600370A1 - Offset-pivoting gate device - Google Patents

Abstract

The invention relates to gates and especially those located at the foot of a slope of land. It comprises, for each leaf 1, an upper articulated hinge pin 3 and a lower articulated hinge pin 6. The lower articulated hinge pin 6 is offset to the rear of the gate by means of a fastening which is adjustable at fastening plates 7 and 9 provided with adjusting grooves 8 and 10. This mounting allows the progressive inclination of the axis of articulation A A' when the leaf 1 is being opened. The invention will be used advantageously for gates which have to follow the upward slope of the land when they are being opened.

Description

The present invention relates to gate devices and more particularly, those which are placed at the foot of an uneven terrain.

For this type of gate, placed at the base of an inclined plane, the gate should be opened outwards or, the gate should be raised enough to compensate for the slope when the leaves open inward .

There are devices that allow each leaf to be raised slightly when they are opened. Most of these devices comprise an articulated rail fixed to the lower part of the portal and which cooperates with rods or thrust cams which raise said portal to adapt to the slope. These devices are complicated to produce and their cost price is then too high.

The present invention proposes to overcome these drawbacks by offering a simple mechanism, compact, adaptable to any type of portal for an advantageous cost price.

For this purpose, the device according to the invention, is characterized in that it comprises, for each leaf of the portal, a ball hinge placed towards the top of said portal and which cooperates with another ball hinge, which is offset relative to the normal pivot axis of the gate.

The lower ball joint is fixed on an adjustable support to allow the inclination to be exactly adapted when the device is opened.

The description which follows will allow a better understanding of the present invention with reference to the accompanying drawings.

Figure 1 shows the detail of the various characteristic elements of the device when the gate is closed.

FIG. 2 shows the same device in the open position when the leaf is raised simultaneously with its opening.

As shown in Figure 1, the device provides articulation between the gate leaf (1) and the fence (2).

It consists of a hinged upper hinge ball joint (3) fixed on the fence at a plate (4) and fixed on the gate at a second plate (5). The articulated ball joint lower hinge (6) is fixed on the fence at a plate (7) provided with adjustment grooves (8) and fixed on the gate at a plate (9) provided with a adjustment groove (10). A stop pivot (11) provided with a rubberized shock absorber, limits the closure. The articulated hinge with ball joint (6) is offset relative to the vertical plane ABB 'A' defined by the fixing of the upper articulated hinge (3). The adjustment grooves (8) and (10) allow this offset backwards (Point C ) lower hinges relative to the portal de.telle so that, in the closed position, the portal is held in a vertical plane, stopped on the stop (11).

According to Figure 2, we see the device in the open position according to which, the gate (1) has a raised end, so that it does not come to hang when opening on the rising slope of the ground.

 In this position, we note the offset behind the lower articulated hinge (6) relative to the vertical plane A B B 'A' of closing the gate. This offset of the lower articulated hinge (6) at point C prints a translation A 'A "to the axis of articulation of the portal by cooperating with the fixing plates ~ (7) and (9) so that during the opening of the gate, the pivoting thereof, is gradually offset, ensuring the elevation of the end D.

The invention will be advantageously used for the gates placed at the foot of a slope of land, because it makes it possible to place said portal at the lowest level with respect to the ground, while ensuring its opening towards the interior, by marrying the slope ground.

Claims (5)

CLAIMS.  1. Device for a gate intended to progressively raise the end of the leaves during opening, in order to follow the rising slope of the ground, characterized in that it comprises in combination for each leaf (1) an articulated hinge with upper ball joint (3) which cooperates with an articulated hinge with lower ball joint (6), that the articulated hinge with lower ball joint (6) is offset behind the vertical plane defined by the leaf (1) in the closed position, being integral with a on the one hand, an adjustable plate (7) fixed on the fence (2) and on the other hand an adjustable plate (9) fixed on the leaf (1), that a stop (11) provided with a shoe damper limits the closing of the leaf.  2. Device according to claim 1, characterized in that the articulated hinge with upper ball joint (3) is integral with a fixing plate (4) placed on the fence (2) and a second fixing plate (5) placed on the upper part of the leaf (1).  3. Device according to claim 1, characterized in that the adjustable plate (7) integral with the articulated hinge è lower ball joint (6) is provided with two parallel grooves (8) for fixing said plate in an adjustable manner by means of appropriate bolting.  4. Device according to claim 1, characterized in that the adjustable plate (9) integral with the articulated hinge è lower ball joint (6) is provided with a groove (10) for fixing said plate in an adjustable manner, by means of '' appropriate bolting.  5. Device according to claim 1, characterized in that the stop (11) provided with a damping pad is fixed on the plate (9) and that it is of a length equal to the length of the support rods of the articulated hinges with ball joints (3) and (6).