| 摘要 |
<p>A window elevator system (10) is adapted to be built inside the door of a motor vehicle comprises a driving drum (12), a transmission member (14) and a window (16). The transmission member (14) transmits the movement from the drum to the window. The transmission member is comprises a belt (14). The belt (14) is reinforced by one or more steel cords (28, 38)) : at least one of said steel cords is of one of following types which has an improved fatigue resistance :(i) The steel cord (28) comprises more than one strand (30, 34) and each of the strands (30, 34) comprises steel filaments (32, 36) with a diameter less than or equal to 0.12 mm, at least five strands (34) are arranged at the circumferential side of the cord (28) ;(ii) The steel cord (38) comprises more than one filament (40, 42, 44) and each of the filaments has a diameter less than or equal to 0.12 mm, at least five filaments (44) are arranged at the circumferential side of said cord.</p> |
