Patent ID: 7228784
Filing Date: 2007-06-12
Classification: F15B

Abstract:
1. A rotating or pivoting device comprising: a housing; at least one working piston disposed in said housing for loading with a pressurized medium located in a pressure chamber defined within said housing; a pivoting part mounted for rotation in said housing; a rotational coupling mechanism disposed between said pivoting part and said working piston to drive said pivoting part by said working piston; a least one cylinder tube disposed on a side of said housing, said at least one cylinder tube bearing said working piston for displacement thereof, said cylinder tube having a thread at an end thereof facing away from said housing; a connection module screwed onto said cylinder tube thread; sealing means disposed between a radially outer side of said connection module and said housing to define an air chamber, said air chamber communicating with said pressure chamber; and pressure connection means disposed on said housing for supplying a pressurized medium to said pressure chamber via said air chamber.