| 摘要 |
Connecting piece for two metal sections forming between them a given angle, comprising a body (4) provided at one end with a member (5) for joining to a first section (1) and the other end (21) of which engages in an axial housing (24) of a second section (2), and a slide (11) capable of being immobilised with respect to the section, the body being capable of undergoing a relative displacement with respect to the slide parallel to the direction of the axis of the housing of the second section, the slide (11) comprising a cylindrical recess (37) receiving a piece (26) provided with a cam (35), the piece being driven in rotation about the axis of the recess, characterised in that the cam interacts with two pegs (39-40) carried by the body, in such a way that it exerts a force on the body via one or other of the two pegs, depending on the direction of rotation of the cam, the pegs (39-40) carried by the body (4) being housed in an axial groove (41) of the slide (11) and arranged on either side of the piece (26) with a cam (35), the groove traversing the cylindrical recess (37). <IMAGE>
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