Patent ID: 7334498

Claim:
A device which applies an initial tension to a wire cable which transmits driving power of a drive unit to a movable member, comprising: a tension case adapted to be fixed to a vehicle body, said tension case having an elongated space along a longitudinal direction of the wire cable; an insertion part connected to an end part of an outer cable of the wire cable and inserted into the elongated space; a first retainer having an inside part engageable with the insertion part in a plane transverse to the longitudinal direction of the wire cable, first slots above the inside part and second slots above the first slots; and a two-stage slot formed in the tension case and extending in the longitudinal direction of the wire cable, said two-stage slot having a wide slot and a narrow slot corresponding in width with a width of a portion of the first retainer disposed between the second slots; wherein the wide slot and the narrow slot are coplanar so that a front end of the narrow slot communicates with the wide slot; wherein in a first position of said first retainer said first retainer is held out of engagement with the insertion part and the first slots are engaged with edges of the wide slot so as to permit the wire cable to be tensioned to a selected tension; wherein the first retainer is moved from the first position to a second position by moving said first retainer down in said wide slot into engagement with the insertion part and moving, said first retainer in the tension case parallel to the longitudinal direction of the wire cable to engage the second slots with edges of the narrow slot.