Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
DISPOSITIF DE CONTRÔLE D'ACCÈS AMÉLIORÉ ET SON PROCÉDÉ DE FABRICATION
The invention relates to an access control device (20) having a first box structure (21) to be buried, which has a first height (70); an obstacle (25) mounted in a movable manner in the first box structure; a mechanical device for returning the obstacle to a position protruding from the first box structure, which has a counterweight (37) that is movable in a second box structure (23); a geared motor (26) for driving the obstacle in movement; at least one deformable link (39) connected to the obstacle and to the return device for returning the obstacle into the protruding position; the density of the counterweight is at least equal to three; the second box structure has a second height (71) less than the first height (70); and the device has means for reducing the travel of the counterweight, which comprise at least one mobile pulley (75) on which the counterweight is suspended.
DISPOSITIF DE CONTRÔLE D'ACCÈS AMÉLIORÉ ET SON PROCÉDÉ DE FABRICATION
The invention relates to an access control device (20) having a first box structure (21) to be buried, which has a first height (70); an obstacle (25) mounted in a movable manner in the first box structure; a mechanical device for returning the obstacle to a position protruding from the first box structure, which has a counterweight (37) that is movable in a second box structure (23); a geared motor (26) for driving the obstacle in movement; at least one deformable link (39) connected to the obstacle and to the return device for returning the obstacle into the protruding position; the density of the counterweight is at least equal to three; the second box structure has a second height (71) less than the first height (70); and the device has means for reducing the travel of the counterweight, which comprise at least one mobile pulley (75) on which the counterweight is suspended.
DISPOSITIF DE CONTRÔLE D'ACCÈS AMÉLIORÉ ET SON PROCÉDÉ DE FABRICATION
IMPROVED ACCESS CONTROL DEVICE AND ITS METHOD OF MANUFACTURE
VERBESSERTE ZUGANGSKONTROLLVORRICHTUNG UND HERSTELLVERFAHREN DAFÜR
LAFONT JEAN-BERNARD LUCIEN JULES (Autor:in)
31.08.2022
Patent
Elektronische Ressource
Französisch
IPC:
E01F
ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
,
Zusätzliche Baumaßnahmen, wie die Ausstattung von Straßen oder die bauliche Ausbildung von Bahnsteigen, Landeplätzen für Hubschrauber, Wegweisern, Schneezäunen oder dgl.
Procédé et dispositif de contrôle amélioré de piscines
| Europäisches Patentamt | 2021