| 摘要 |
The invention relates to a lockable joint, especially a lockable ball-and -socket joint, comprising a first arm (14) having a swivel head (30), a sock et (32), the swivel head (30) being pivotably mounted to the socket (32), an d a locking device (90) arranged for locking the swivel head (30) with respe ct to the socket (32), the locking device (90) having a piston (70'), a pres sure gas source (64), and an actuating device (92) arranged for reversibly d isconnecting the piston (70') from the pressure gas source (64) where in the pressure gas source is a gas cartridge (64). |
