Pivotable safety gate
Pivotable safety gate
Pneumatic door opener
Pneumatic door operator
Power beam for rotating structural member
Power bus and structure for a barrier movement operator
Power operated garage door
Power operated garage door
Ratcheting winding cone
Releasable vertical lift overhead door
Safety break for an overhead door
Safety device for overhead doors
Safety devices for overhead garage door springs
Sectional gate
Separating device for an overhead door
Shaft joint
Spring balanced door
Spring winder support for door counterbalance system
Suspension mechanism for a door construction
System and method for transferring shear forces in garage...