The upper crown includes a recess in which the insert is fixed.

The spherical cap (65) can comprise a centric or eccentric conical surface (73).

The upper part of the skull was sawn off and the nearest in line was forced to eat the brain, following which the procedure would be repeated to the end of the line.

The upper plate and the cap define a ball and socket joint therebetween.

The cap member comprises an upper edge extending between opposite ends of the lower edge.

The upper edge (21) of the eyeshield element (12) matches the profile of the front lower edge (19) of the shell (11).

The annular cap (7) of the support shell (6) has a guiding recess (26) for the upper lever arm (17a).

A hat or cap (10) having a concave crown (12) formed by joining panels including two side panels (22) and a top panel (24).

A bearing cap shaft (26) is provided on the center of the bearing cap (1) and projected out of the center of the bearing cap (1).

tripod having head with spherical levelling joint

tripod having head with spherical levelling joint

tripod having head with spherical levelling joint

tripod having head with spherical levelling joint

A finger panel (28) is disposed within the crown (12) adjacent the top panel (24) and connected to the crown (12) to form a finger pocket (18).

A cap is obtained which, in terms of its strength characteristics, is the equal of a cap that has been produced by casting.