Abstract: A sealing device for a human-machine dialogue element intended to be fixed through a wall, the device including a seal formed in a ring around an axis, the seal including a first annular edge and a second annular edge. The second edge follows a path including a plurality of chicanes so as to form at least one concave part delimiting a bearing zone on one face of the seal and at least one convex part delimiting a disengagement zone on the face of the seal to circumvent a positioning element of the seal.

Abstract: A sealing device for a human-machine dialogue element intended to be fixed through a wall, the device including a seal formed in a ring around an axis, the seal including a first annular edge and a second annular edge. The second edge follows a path including a plurality of chicanes so as to form at least one concave part delimiting a bearing zone on one face of the seal and at least one convex part delimiting a disengagement zone on the face of the seal to circumvent a positioning element of the seal.

Abstract: A rotary knob for an electrical system includes a body containing a rotary maneuvering member which actuates a cam-driving part and bears one or more electrical units. A cup is defined between an outer cylindrical flange of the body and an inner cylindrical sleeve, and contains a spring either of a helical type for urging a sliding ring separate from the driving part, or of a torsion type to return the maneuvering member. The ring provides a sensitivity function. The cylindrical sleeve defines in a central opening thereof a centering seat of the shank of the maneuvering member.

Abstract: The invention concerns a rotary knob for an electrical system, whereof the body (10) contains a rotary maneuvering member (20) which actuates a cam-driving part (50) and bears one or several electrical units. A cup (15) is defined between an outer cylindrical flange (12) of the body (10) and an inner cylindrical sleeve (13) and contains a spring either of the helical type (R) for urging a sliding ring (30) separate from the driving part (50), or of the torsion type (R?) to return the maneuvering member. The ring (30) provides a sensitivity function through its adapted shapes. The cylindrical sleeve (13) defines in its central opening a centering seat (23) of the shank (22) of the maneuvering member.

Abstract: A safety position switch including a push rod which responds to the movement of an actuator connected to a device to be made safe in order to act upon an electrical device by a lockable transmission mechanism acted on by the push rod. The transmission mechanism includes a pivoting lever capable of assuming a locked position and an unlocked position. The pivoting lever has force applied to it from the push rod such that a movement of translation of the push rod generates a rotation of the lever and the pivoting lever has an arm with a jamming element that is applicable, in the locked position of the lever and transversely with respect to the main axis, against the locking head.

Abstract: Safety position switch comprising a push rod which responds to the movement of an actuator connected to a device to be made safe in order to act upon an electrical device such as a contacts block, by means of a lockable transmission mechanism acted upon by the push rod. The transmission mechanism 12 comprises a pivoting lever 40 capable of assuming a locked position and an unlocked position. The pivoting lever has force applied to it from the push rod 17 such that a movement of translation of the push rod generates a rotation of the lever and the pivoting lever has an arm 43 with a jamming element that is applicable, in the locked position of the lever and transversely with respect to the main axis X, against the locking head 23.

Abstract: The invention relates to a conversational terminal whose body is flush with the front face of a base such as a panel or console.

Abstract: A key-operated safety switch including a control roller and a component for unlocking the control roller. The unlocking component may be applied by way of a cam surface against a lock engaged in a catch of the control roller, so as to free the control roller when the key is inserted.

Abstract: A safety switch including a control head rotatably linked to a casing that encloses an electrical contact assembly. A cylindrical collar of the head, engaged in an opening in the casing, is equipped with an annular groove with which retaining elements cooperate in order to immobilize the head along a predetermined direction. A fixing screw cooperates with re-entrant elements situated on the periphery of the collar in order to lock the head and prevent the head from rotating.