Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A post driver (10) comprising a plate (50) for transmitting a repetitive force to a post (60) to drive it into the ground, the plate comprising an array of holes (80A, 80B, 80C, 80D, sop, the post driver further comprising an array of pins (100) movable within the array of holes, the post driver being arranged such that, in use, with the underside (77) of the plate placed over one end of the post at least some pins are retracted through the respective holes relative to the underside of the plate by the presence of the end of the post, while others, not in contact with the end of the post, project through the respective holes and act to grip the sides of the post adjacent the end.
A post driver (10) comprising a plate (50) for transmitting a repetitive force to a post (60) to drive it into the ground, the plate comprising an array of holes (80A, 80B, 80C, 80D, sop, the post driver further comprising an array of pins (100) movable within the array of holes, the post driver being arranged such that, in use, with the underside (77) of the plate placed over one end of the post at least some pins are retracted through the respective holes relative to the underside of the plate by the presence of the end of the post, while others, not in contact with the end of the post, project through the respective holes and act to grip the sides of the post adjacent the end.
A post driver
TONY PERRETT (Autor:in)
10.02.2021
Patent
Elektronische Ressource
Englisch
IPC:
E04H
Gebäude oder ähnliche Bauwerke für besondere Zwecke
,
BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES