An attachment for an electric hand drill machine has a telescopic fixing and levers to conveniently enable drilling vertically above the operator

摘要

The electric drill (2) is fitted (1) to a telescopic arrangement of tubes (14,15,16) and a further telescopic tube (9) contacts the floor as the drill machine is raised by a lever pivoting (7) on the outer telescopic tube (14) and the lower telescopic tube.