| 摘要 |
A linear drive for a belt pretensioner is provided. The linear drive includes a cylinder tube with a hollow inner space, a pyrotechnic drive charge which generates a pressurized gas, and a piston able to be displaced in the inner space of the cylinder tube under the action of the pressurized gas. The piston has a hollow interior space and an axial end having an end wall. The end wall has a passage opening which is closed by a blow-out patch. |
