Hello everyone.
I'm calling on your technical knowledge because I'm drying up a bit even if I have a little idea.
Can someone tell me which mechanical component is represented in the center of the image? Planetary gearbox, clutch...
Thank you for your answers.
Hello @OlivierH
It's not a gear it seems to me, the teeth of a pinion are not represented like that in industrial drawing.
But as below
This system allows the central piece 1 to rotate (one rotation) and the ball 2, allows the elements on the outside 3 to move laterally, or to have freedom laterally.
Much like a gearbox dog, can turn and move sideways to mate to a one-speed sprocket.
Part 3 is connected to 6 by a screw and serves as a stop surely, parts 4 & 5 are connected by screw 7 and can move it seems to me.
In addition, we can imagine that on the central part the bore 1 serves as a clearance for the washer and the screw 2 when the assembly moves, or its disassembly?
3 is a key that allows rotation drive
Do you have the drawing as a whole?
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Hello,
I will see this set in yellow more as a silent block (peripheral circular part would be made of rubber). But indeed @FRED78 if we could have the entire plan with the nomenclature it would facilitate interpretation
Thank you for your answers. Here is the complete plan but I don't have the nomenclature. It is a clamp.
Hello @OlivierH ,
Between the 060 drive unit (in pink) and the 140 nut (in blue), there must be a low-ratio speed reducer. The representation is mediocre, but the overall appearance is reminiscent of a Harmonic Drive FR series gearbox.
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Thank you very much @m_blt .
I hadn't thought of this kind of reducer.
You take a thorn out of my side.
Thank you again. 
@m_blt
On the other hand, the 150 room is such fixed? Because the spring washers are not used for its damping?
For me the elements in yellow are fixed 
, or I take the problem backwards 
@Le_Bidule
I think it's a drive system with gear teeth with balls interspersed. It seems to me, I had already seen this system but I don't know how to use it, for games or to take over the vertical load?
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