Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
PROTECTIVE APPARATUS AND AERIAL WORK DEVICE
A protective apparatus and an aerial work device are disclosed. The protective apparatus comprises a bracket (1) and a cover (2); the upper side of the cover (2) is hinged to the upper side of the bracket (1); the protective apparatus further comprises a pull-down apparatus (4); the pull-down apparatus (4) comprises a fixed pulley (403), a movable pulley (404), a push rod (407) and a pull rope (401); the fixed pulley (403) is fixedly connected to the cover (2); the movable pulley (404) is located above the fixed pulley (403); the movable pulley (404) is slidingly connected to the cover (2); a fixed end of the pull rope (401) bypasses the movable pulley (404) and is connected to the fixed pulley (403); and an upper end of the push rod (407) is connected to the movable pulley (404). These and other embodiments and variations are more fully disclosed herein.
PROTECTIVE APPARATUS AND AERIAL WORK DEVICE
A protective apparatus and an aerial work device are disclosed. The protective apparatus comprises a bracket (1) and a cover (2); the upper side of the cover (2) is hinged to the upper side of the bracket (1); the protective apparatus further comprises a pull-down apparatus (4); the pull-down apparatus (4) comprises a fixed pulley (403), a movable pulley (404), a push rod (407) and a pull rope (401); the fixed pulley (403) is fixedly connected to the cover (2); the movable pulley (404) is located above the fixed pulley (403); the movable pulley (404) is slidingly connected to the cover (2); a fixed end of the pull rope (401) bypasses the movable pulley (404) and is connected to the fixed pulley (403); and an upper end of the push rod (407) is connected to the movable pulley (404). These and other embodiments and variations are more fully disclosed herein.
PROTECTIVE APPARATUS AND AERIAL WORK DEVICE
LI XIPING (Autor:in) / LIU GUOLIANG (Autor:in) / ZHENG JIPING (Autor:in)
04.01.2024
Patent
Elektronische Ressource
Englisch
IPC:
E05F
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
,
Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung
AERIAL WORK APPARATUS WITH LATERALLY OFFSET WORK PLATFORM
| Europäisches Patentamt | 2017