Abrégé

The present invention relates to a manhole cover having a frame and buffer provided with a damping and sealing gasket. According to the invention, the gasket (11) has a cross-section having a substantially U shape crowning the skirt (10) and comprising means ensuring positive attachment of the gasket (11) to the skirt (10) of the cover (3) by clipping. The invention is of use in the field of roads and highways.

Classes IPC  ?

• E02D 29/14 - Couvercles pour regards ou analoguesChâssis de couvercles

Abrégé

The present invention relates to a valve box having means for blocking the collar thereof relative to the base of the collar. According to the invention, the collar (3) of the valve box (1) includes at least one flat section (8a), the opening (16) of portion (6) of the base (2) includes at least one planar portion forming a flat section (16a), and the O-ring (17) is housed in a groove (18), the peripheral bottom surface of which includes at least one planar portion forming a flat section (18a) extending to the flat section (16a) of the opening (16) in order to give the O-ring (17) a shape that matches the shape of the collar, clamping around the collar when the vertical position of the collar (3) relative to the mounting (2) is adjusted, wherein the collar (3) can be blocked by rotating the same by a predetermined angle so as to release the flat section (8a) thereof from the position facing the position of the opening (16). The invention can be used in the field of roadwork equipment.

Classes IPC  ?

• E03B 9/08 - Prises d'eau souterraines

Abrégé

The present invention relates to a street ironwork having a frame and at least one covering element having limited movement within said frame. According to the invention, the device is characterised in that the inner bearing wall (7b, 8b) of the frame includes, on the portion thereof located along the straight wall portion (7a, 8a) running along the adjacent edge of the covering element (3; 4), at least one stud (13) made of an elastomer material secured to the bearing wall portion (7b, 8b), perpendicular to the latter, and which is inserted in a recess (20) of the covering element (3; 4) connected to the adjacent edge of said element and opposite the straight wall portion (7a, 8a) so as to constitute an abutment for limiting the movement of the covering element (3; 4) towards the straight wall portion (7a, 8a) when the covering element is subjected to intense moving loads. The invention can be used in the field of road networks.

Classes IPC  ?

• E02D 29/14 - Couvercles pour regards ou analoguesChâssis de couvercles

Abrégé

The present invention relates to an assembly comprising a frame and a closure cover for the frame, especially for a street manhole. According to the invention, the assembly is characterized in that the rabbet (6) of the frame (2) comprises, at the corresponding pivoting edge (12) of the frame (2), first and second ramps (18, 20) projecting from the rabbet (6) and the cover (3) comprises, at its pivoting edge (13), first and second cam portions (20, 21) that can travel, respectively and successively, over the two ramps (18, 19) in order to cause the cover (3) to swing progressively from its open position to its closed position on the frame (2). The invention is applicable in the field of street facilities.

Classes IPC  ?

• E02D 29/14 - Couvercles pour regards ou analoguesChâssis de couvercles

Abrégé

The present invention relates to a road apparatus provided with a safety device for at least one buffer of the apparatus. The apparatus is characterised in that the axle (18) for connecting the self-locking arm (16) to the buffer (2) includes two adjacent cylindrical parts (22, 23) having a smaller diameter and a larger diameter, respectively, and is axially moved relative to the buffer (2) by a resilient member (27) urging the smaller diameter part (22) of the axle (18) into sliding insertion in the aperture (19) of the arm (16) when the buffer (2) tilts between the open and closed positions thereof, and urging the larger diameter part (23) into locked insertion in an opening (19a) of the arm (16) when the buffer (2) is in the open position thereof. The invention can be used in the field of road systems.

Classes IPC  ?

• E02D 29/14 - Couvercles pour regards ou analoguesChâssis de couvercles

Abrégé

The present invention relates to a device for a pavement manhole with a support frame, for closing a panel hinged on the frame using permanent articulation means. The device is characterized in that the pivot axis (8) includes a pin made of at least two parts (13, 14) telescopically mounted into each other and spaced from each other by a spring (15) provided between the two telescopic parts (13, 14) so as to engage and hold the two ends of the pin (8) respectively in two blind holes (20) of the frame. The invention can be used in road equipment.

Classes IPC  ?

• E05D 7/10 - Charnières, gonds ou pivots de structure particulière permettant une séparation facile des éléments à l'axe de la charnière

Abrégé

The invention relates to a highways device with support frame and crown element such as a manhole cover or lid mounted to hinge on the frame. The device is characterised in that the joint hinge (5) comprises a cylindrical axle (14) running through holes (17, 18) in the joint lugs (15, 16) with two lugs (15) fixed to the recess (7) on the frame (2) the holes of which are oblong holes (17) perpendicular to the recess (7) and two lugs (16) fixed to the internal face of the crown element (3), such that the joint axis (14) may be freely moved within the oblong holes (17) of the lugs (15). The invention is of use in highway fittings.

Classes IPC  ?

• E02D 29/12 - Trous d'hommeAutres chambres d'inspection ou d'accèsAccessoires à cet effet

Abrégé

The present invention relates to a device for a pavement manhole with a support frame, for closing a panel hinged on the frame using permanent articulation means. The device is characterised in that the pivot axis (8) includes a pin made of at least two parts (13, 14) telescopically mounted into each other and spaced from each other by a spring (15) provided between the two telescopic parts (13, 14) so as to engage and hold the two ends of the pin (8) respectively in two blind holes (20) of the frame. The invention can be used in road equipment.

Classes IPC  ?

• E02D 29/14 - Couvercles pour regards ou analoguesChâssis de couvercles

Abrégé

The present invention relates to a highways device with a support frame and covering element, such as a plug or lid or grating, pivotally mounted on the frame. The device is characterized in that the covering element (3) comprises a latch (7) extending transversely to the pivoting side (8) of the element (3) and being able to occupy an active position so as to cooperate with a keeper (19a) of the frame (2) so that the covering element (3) can be retained in an upright safety position in which said element is prevented from pivoting into its position in which it closes the frame (2). The invention is applicable in the highways sector.

Classes IPC  ?

• E02D 29/12 - Trous d'hommeAutres chambres d'inspection ou d'accèsAccessoires à cet effet

Abrégé

The present invention relates to a raisable highways device. According to the invention, the device is characterized in that a skirt (14) is attached to the surround (11) extending the latter downwards and has a cross section of its external peripheral surface that corresponds to the free section of the opening of the shaft (12) so as to allow the skirt (14) to sit in the opening of the shaft (12) in a position relative thereto. The invention is applicable in the field of highways.

Classes IPC  ?

• E02D 29/12 - Trous d'hommeAutres chambres d'inspection ou d'accèsAccessoires à cet effet
• E02D 29/14 - Couvercles pour regards ou analoguesChâssis de couvercles

Abrégé

The present invention relates to a device for hinging a lid or cover to a frame, such as a manhole. The device is characterized in that it comprises two lateral pairs of links (6, 7) connecting the lid (2) to the frame (3) and allowing, when a lifting force is applied to the lid (2) occupying its lowered closed position, a couple to be applied to the lid (2) causing the lid (2) to come out of the frame (3) and causing the lid (2) to pivot about itself to its raised position in which it is held by the links (6, 7). The invention is applicable to roads.

Classes IPC  ?

• E02D 29/14 - Couvercles pour regards ou analoguesChâssis de couvercles

Abrégé

The present invention relates to a device for blocking an articulation axis in the housing of a crown member, such as a grid our a buffer, in a road porthole. The device is characterised in that it comprises a pin (9) removably attached to the crown member (2) so as to hold axially the articulation axis (7) in the housing (8) of the member (2) against the return force of an elastic organ (11) provided between the axis (7) and the bottom (8a) of the housing (8). The invention can be used in the field of road maintenance.

Classes IPC  ?

• E02D 29/14 - Couvercles pour regards ou analoguesChâssis de couvercles

Abrégé

A device for closing a frame, which has a panel mounted removably on and articulated on the frame includes a hook that has, at an end part, a heel that can stop against a surface of the articulation edge of the frame to immobilize the panel in a secure open upright position, generally perpendicular to the frame. The invention can be applied to roads.

Classes IPC  ?

• E02D 29/14 - Couvercles pour regards ou analoguesChâssis de couvercles