The pressing piece (13) is biased in the rising direction by a spring (29) fitted between the pressing piece (13) and the link piece (27).

The central column may include a ledge.

The invention also relates to a rocker pressure piece (1, 1'), on which the rolling surface (15, 15') is cambered.

The present invention relates to a buttress for cardiac valve reconstruction of atrioventricular cardiac valves.

A plurality of blades are positioned beneath the ledge, load slot is sized to allow a mount portion of the blades to be moved radially inwardly of the ledge.

A flange forms an efficient door stop at zero opening angle of the first locking ledge relative to the second locking ledge.

The first component (22) is supported in the opposing direction by means of a coaxial bearing surface (38), bearing on the bearing component (50).

Further, viahole conductors (17) are provided in the seating part (11) so that one side end face is exposed on the surface of the seating part (11).

Joined to the support element (11) is a pressure piece (12) which extends in under the flap (3).

A ledge provides a holding structure for holding blades.

The first abutment contact surface extends around the first fixture contact surface.

The nozzle set (3) comprises a nozzle block upper piece (6), lying on a support piece (5) and a nozzle (4), arranged beneath the support piece which is supported by the housing (2).

The second fixture contact surface extends around the second abutment contact surface.

According to the invention, a respective bearing plate is located on opposite end faces of the motor housing and a bearing part for the rotor shaft is housed in each bearing plate.

The mounting portion (1) and the support housing (5) are adapted to cooperate with one another for mounting of the power generation apparatus on the support structure.