The last part (51) drives home on the coarse thread on the rod (21) and seals the opening. The plate (54) of a stay (53) may be positioned between the locking plate (30) and a wing nut type locking device (41).
The last part (51) drives home on the coarse thread on the rod (21) and seals the opening. The plate (54) of a stay (53) may be positioned between the locking plate (30) and a wing nut type locking device (41).