Hydraulic control system assembly - has tie rods with heads in counter bored drillings screwing into transverse tapped studs

摘要

The hydraulic control assembly comprises unit with through drillings at right angles to their support faces. The units are held together by tie rods securing adjacent ones together and fitting in the drillings. Each tie rod has a head (18) accommodated in the larger diameter counterbore (13) at the top of the drilling (5) and bearing against the shoulder formed by the bottom of the counterbore. A threaded stem is screws into a transverse tapped hole (9) in a stud (8) whose length is greater than the drilling diameter. This stud fits in a drilling (7) on both sides of the counterbore and at right angles to it. This transverse drilling is at a higher level than that which the head (19) of the next tie rod below is accommodated in the counterbore.