Abstract: A connecting device for connecting a source of hydraulic medium with a consumer of a hydraulic medium, such as a hydraulic tool has a first connecting element to be connected with a consumer and having a passage, a first valve member in the passage, and a spring-biased locking member, and a second connecting element to be connected with a source and having a passage, and a second valve member in the passage and cooperating with the first valve member to form a valve upon assembly of the connecting device. The connecting elements are coupled by a first coupling member turnable on the first connecting element between locked an unlocked positions and a second coupling member turnably supported on the second connecting element and screwable with the first coupling member.

Abstract: A swivel connector for supplying a fluid, comprises a first member having an axis and a cylindrical surface, the first member being provided with two separate first passages which open at the outer cylindrical surface at two axially spaced locations, and a second member having an inner cylindrical surface which defines an opening for receiving the outer cylindrical surface of the first member so that the members are swivelable relative to one another, the second member being provided with two second passages which are separate from one another and open at the inner cylindrical surface at two axially spaced locatyions substantially corresponding to the first mentioned axially spaced locations, and two circular grooves provided in at least one of the surfaces and each communicating one of the first passages with a respective one of the second passages.