Abstract: Head assembly for keeping and positioning an optical or electronic device, that has a housing (1) in which a shell (3) is arranged by spherical connection that allows guided movement in any direction, wherein the shell (3) has a cylindrical symmetric cavity, and the housing and the shell can be fixed to each other in any adjusted position, and a body (4) holding the device is arranged in the cavity of the shell (3) so that the body (4) can be turned around two mutually normal axes with respect to the cavity and the position thereof can be fixed and released by a single adjustment means, wherein the connection between the shell (3) and the body (4) is independent from the connection between the shell (3) and the housing (1).

Abstract: The invention relates to an anti-tilt spring mechanism and tension mounting mechanism for a ball and socket mounting device (1), consisting of an outer ball shell (16) provided with a guide member (18) disposed in an outer housing (15); an inner ball (5) disposed in the outer ball shell (16) and having a neck portion (10), a slit (9) and a slide with bore (20); a socket (24), and a cap (17), with a mounting disc (2), provided with an adjustment screw (3), being attached to the neck portion (10) of the inner ball (5).

Abstract: The invention relates to an anti-tilt spring mechanism and tension mounting mechanism for a ball and socket mounting device (1), consisting of an outer ball shell (16) provided with a guide member (18) disposed in an outer housing (15); an inner ball (5) disposed in the outer ball shell (16) and having a neck portion (10), a slit (9) and a slide with bore (20); a socket (24), and a cap (17), with a mounting disc (2), provided with an adjustment screw (3), being attached to the neck portion (10) of the inner ball (5).