Patent ID: 8091283

Claim:
A retrofit conversion kit having component parts capable of being assembled in the field at a swinging door installation for coupling a door having a door arm on its lower edge to an automatic door operator from a sub-floor stratum to make vertical adjustments to the relationship between the door arm and the door operator, the conversion kit comprising: an enclosure for containing the automatic door operator; a sled for mounting and securing the automatic door operator thereonto, the sled, in turn, being mountable and enclosable within the enclosure; a spindle adapted to engage the automatic door operator and for engaging the door arm for transmitting torque from the automatic door operator to the door and for providing vertical support to the door; and a spindle housing configured for attachment to the sled for securing the spindle, the spindle housing having a bearing plate mountable in the spindle housing, the spindle being borne on the bearing plate, the bearing plate being configured for vertical adjustment in the spindle housing, thereby adjusting the vertical position of the spindle, the bearing plate defining one or more threaded screw holes and the spindle housing further includes one or more vertical adjustment screws, each vertical adjustment screw being engaged to a corresponding threaded screw hole defined by the bearing late, each vertical adjustment screw being rotatable within its corresponding screw hole for adjusting the vertical position of the bearing plate and the spindle borne thereon; whereby adjusting the vertical position of the spindle facilitates the coupling of the door operator to the door.