| 摘要 |
A piston and cylinder damping device wherein the cylinder is provided with a compensating chamber for the fluid displaced by the piston rod, wherein the compensating chamber takes the form of a cartridge which contains a pressurised gas and which has at one end a sealing disc, the device being also provided with a punch which is arranged to pierce the sealing disc when in use the cartridge is assembled to the cylinder and the piston is first displaced by relative inward movement of the associated piston rod, piercing of the sealing disc then enabling the pressurised gas in the cartridge to be placed in communication with the fluid in the cylinder. |
