Conduit case (case 2)

A conduit clamp comprising a pair of jaws and means for securely attaching the clamp to a stable structure, said jaws comprising respective, opposed recesses arranged to abut against sides of a conduit, said jaws comprising means for pivotally connecting them together at a first end, one of said jaws comprising at a second end an aperture and a recess behind the aperture, and the other of said jaws comprising a twist lock means at a second end comprising a pin rotatably mounted in an aperture in said other jaw, provided adjacent one end with a locking lug at one end of the pin, a handle at another end of the pin remote from the locking lug, such that the pin can be inserted endwise in the aperture with the locking lug foremost and the pin can then be axially rotated by means of the handle so as to cause the locking lug to engage behind the said one jaw and be received by the recess to lock the jaws together, a coil spring being mounted about the pin between the handle and the adjacent jaw so as to urge the handle away from the jaws and the locking lug into engagement with the recess in the locking position of the twist lock, such that, to close the jaws and clamp a conduit, the twist lock means is inserted in the aperture and partially, axially rotated.