| 摘要 |
- 15 A shutter assembly including a mounting arrangement operatively located about an opening, the mounting arrangement being for guiding a shutter curtain to cover or uncover the opening; a barrel arrangement rotatably supported by the mounting arrangement, the barrel arrangement including a plurality of interlocking slats forming the shutter curtain, the slats configured to spool onto, or from, the barrel arrangement, depending on a direction of rotation of the barrel arrangement; an actuator configured to rotate the barrel arrangement in order to cover or uncover the opening with the shutter curtain, the actuator being configured to drive a shaft coupled to one end of the barrel arrangement to thereby rotate the barrel arrangement; and a safety brake mounted on the shaft. Fig. 1 CD) CDo CD 4( |
