Mechanical calf delivery aid - has stand tube bent obliquely from foot tube, with freewheeling pulley at tube angle and upper rope winch

摘要

The calf delivery aid comprises a foot tube (1) bent obliquely upwards to form a stand tube (4). In the angle between the two tube sections is a freewheeling rope pulley (6), while at the top end of the stand tube is a winch (8), from which a rope (70) is reeved round the pulley for attachment to the calf. Under the foot tube and near the pulley may be a flat iron strip (3), acting as a stand, while the pulley can be mounted between bars (6) extending between the tube sections at the angle. The winch can be on the inside, at a convenient height for hand cranking.