Automatic closing activator
Cargo caster bearing assembly
Controlled release door holder
Door actuating system
Door closer
Door closer assembly
Door closer permitting free-swing and regular-closer modes
Door closure device
Door holder-closer having a control signal operated hold-open fu
Electromagnetic door holding device
Electromechanical door holder-closer
Fireproof door closer and holder having a solenoid and a toggle
Frictional retainer for holding a door open
Heat actuated link
Heat-actuated door latch
Inside/outside link
Intermittently and reversibly operable hot wax energized hinge
Pressure-free fail-safe emergency door closer
Quadrant operator
Releasable door hold-open device