摘要:
The invention relates to improvements in a roll-up shutter. More particularly, the invention provides an electrically-driven shutter which can be electrically deployed or retracted, and the slats (16) may be electrically tilted for ventilation or vertically closed for maximum security, all by use of a single electric motor. The invention achieves the above objects by providing an electrically driven roll-up shutter, comprising a plurality of upper pivoted link elements (14) each of which supports all lower components, the linkage pivots being arranged to allow roll-up on a shutter shaft or tube, the lowest (14a) of the link elements (14) being attached to a slat tilt mechanism (24), the upper pivoted link elements when in tension with only the highest of the link elements in contact with the shutter shaft or tube form a substantially straight line.
摘要:
The present invention is related to roll-up shutters, roll-up shutters with tiltable slats. The invention provides a support unit (10) which is inserted in the shutter, usually at the mid-length position of long slats (20), to provide support so as to prevent undesired sagging thereof. The support unit comprising a substantially vertical interlinking portion (14) carrying a part of a first hinge at a first extremity configured for pivotal attachment to an adjacent upper vertical interlinking portion (14), and also being pivotally connectable by means of a second spaced-apart coplanar hinge section at a second extremity and arranged for pivotal connection to an adjacent lower vertical interlinking portion (14) and also being pivotally connectable at the second extremity to a slat connecting section (24).