| 摘要 |
A mechanism for locking curtains and the like includes a sleeve rotating about a relative axis and fastened to a roll (5), in coaxial relation therewith. A curtain is rolled up on the roll (5). A barrel (6) features at least one radial housing (8) opening outside of the barrel (6) and enters freely the sleeve (3). The mechanism includes also one spring (8a) introduced freely in each radial housing (8) and pushing a cylinder or a sphere (7) against an inner surface (3d) of the sleeve (3). <IMAGE> |
