Support for photographic apparatuses

A support for video-photographic apparatuses comprising:

• a cross-member, which defines a hole,
• a column having a shaft, which is slidable in the hole along a longitudinal axis,
• a plate, which is provided with an engaging device for engaging a piece of video-photographic apparatus with said plate, and
• a sleeve, which is internally hollow, which extends along the longitudinal axis and which is capable of receiving an engaging portion of said column,
• said cross-member comprising a clamp element for clamping said column on said cross-member,
• further comprising a locking device for removably locking said engaging portion of said column to said sleeve, wherein said sleeve comprises a tubular cylindrical body extending along said longitudinal axis having an outer diameter that is substantially equivalent to an outer diameter of said shaft, the column being configured to be inserted in said hole and to engage said clamping element for clamping said sleeve on said cross-member,
• wherein said locking device comprises fixing elements of said plate, and wherein said locking device comprises a locking ring nut that is rotatable about said longitudinal axis of said sleeve, and which is translatable towards/away from said plate as a result of said rotation about the longitudinal axis, to move said fixing elements from a retracted position to a locking position and vice versa;
• wherein said locking ring nut comprises a pushing surface, which is inclined through an inclination angle with respect to said longitudinal axis, and which is formed so as to receive in abutment said fixing elements to move said fixing elements between said retracted position and said locking position;
• and
• wherein the engaging portion of said column is configured to be inserted in the sleeve for an extent between a free end of the engaging portion and a shoulder of the engaging portion and being engaged in the sleeve at both the free end and the shoulder of the engaging portion.