Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A rolling support for bleachers apparatus. The apparatus includes a frame, a plurality of wheel arrangements, each wheel arrangement including a strut to which a wheel is rotatably mounted, the strut pivotally mounted to the frame for movement between a retracted position and an extended position. The wheel arrangement also includes a spring biasing the strut for movement towards the extended position, a trigger arm pivotable between a locked position and an unlocked position and a spring biasing the trigger arm for movement towards the locking position.
A rolling support for bleachers apparatus. The apparatus includes a frame, a plurality of wheel arrangements, each wheel arrangement including a strut to which a wheel is rotatably mounted, the strut pivotally mounted to the frame for movement between a retracted position and an extended position. The wheel arrangement also includes a spring biasing the strut for movement towards the extended position, a trigger arm pivotable between a locked position and an unlocked position and a spring biasing the trigger arm for movement towards the locking position.
ROLLING SUPPORT FOR BLEACHERS
D'JOOS JIMMY (Autor:in)
25.04.2019
Patent
Elektronische Ressource
Englisch
IPC:
E04H
Gebäude oder ähnliche Bauwerke für besondere Zwecke
,
BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES
FOOTBOARD ASSEMBLY FOR MULTI-STAGE BLEACHERS AND MULTI-STAGE BLEACHERS ASSEMBLY COMPRISING THE SAME
| Europäisches Patentamt | 2019