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Portable support mast
A hub, an extensible vertical member pivotally attached to the hub for movement between a stowed position and an erect position, and at least three extensible horizontal members each pivotally attached to the hub for movement between a stowed position and an erect position. The vertical member and the horizontal members are each extensible such that a ratio of the extensible length of the vertical member to the extensible length of the horizontal members is adjustable for required stability in high wind applications.
Portable support mast
A hub, an extensible vertical member pivotally attached to the hub for movement between a stowed position and an erect position, and at least three extensible horizontal members each pivotally attached to the hub for movement between a stowed position and an erect position. The vertical member and the horizontal members are each extensible such that a ratio of the extensible length of the vertical member to the extensible length of the horizontal members is adjustable for required stability in high wind applications.
Portable support mast
STERNOWSKI ROBERT H (Autor:in) / PEARSON DAVE (Autor:in)
28.09.2021
Patent
Elektronische Ressource
Englisch
IPC:
E04H
Gebäude oder ähnliche Bauwerke für besondere Zwecke
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Portable aluminium mast for radio-transmission surveys
Engineering Index Backfile | 1953