The invention relates to a locking member (10) of a toothed wheel (20), the locking member (10) being integrally formed and comprising: - a frame (101), - a first lever (102) comprising a first locking tooth (102d) of the toothed wheel (20), - a first elastic return portion (103) connecting the first lever (102) to the frame (101), the locking member (10) comprises at less: - a second rocker (102) comprising a second locking tooth (102d) of the toothed wheel (20), - a second elastic return portion (103) connecting the second rocker (102) to the frame (101), and in that the first latch (102) and said at least one second latch (102) are arranged to sequentially block the rotation of the toothed wheel (20).
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