and cooperating cam an air cylinder and an electric solenoid another embodiment of an alternate guide moving assembly is shown in fig8 a through 8d 9 a and 9 b and includes a counter weight 40 operatively attached to the door panel u2014 preferably via the drive means 18 this embodiment moves a lower portion of the guides which are most commonly hit by traffic out of the passageway 14 beginning upon initial movement of the door panel 12 upwardly and replaces the guides for guiding upon closing of the door panel 12 the counter weight 40 is a source of potential energy utilized to facilitate the upward movement of the door panel 12 along its path of travel 28 the guide 22 23 is preferably pivotably mounted near the opening 16 and operatively attached to a chute 42 although the guide 22 23 extends into the opening the chute 42 does not the chute 42 includes a path for the counter weight 40 to travel a deflection member 44 is attached to the guide 22 23 and in line with the counter weight 39 s path within the chute 42 upon opening the door panel 12 the counter weight 40 will eventually contact the deflection member 44 wherein the guide 22 23 will be subsequently moved from its first position upon closing of the door panel 12 cooperation of the counter weight.