Device for artificially restoring an opposing force for a device for remotely controlling aircraft control surfaces

A device for artificially restoring opposing force for a device for remotely controlling aircraft control surfaces, said device comprising an actuator member suitable for pivoting about an axis while entraining a rotary shaft, comprising:

• a stationary, first finger parallel to said shaft and supported at a radial distance from said shaft;
• a second finger secured to said rotary shaft and parallel thereto, said second finger being supported at substantially the same radial distance from said shaft as the first finger;
• a slab supported at the same radial distance as the first and second fingers and extending beside the two fingers;
• a first spring interposed between the stationary, first finger and the slab;
• and
• a second spring interposed between the moving, second finger and the slab;
• wherein the device occupies three functional positions, namely:
• a neutral position occupied in the absence of any force being exerted on the actuator member, in which the slab is held pressed laterally simultaneously against both fingers under the action of prestress of the two springs;
• a position pivoted in a first direction away from the neutral position through a variable angle (.alpha.), in which the moving, second finger is entrained relative to the stationary, first finger away from the slab and is subjected to the return force of the second spring interposed between said second finger and the slab;
• and
• a position pivoted in a second direction, opposite to the preceding direction, away from the neutral position through a variable angle (.alpha.), in which the moving, second finger is entrained relative to the stationary, first finger to the same side as the slab, entraining it therewith, and is subjected to the return force from the first spring interposed between the first finger and the slab.