Control system for automatic doors

Control system for illumination lamp installed in buildings...

Control system for revolving door

Controlled release door holder

Controlled release door system

Controlled torque drive for a barrier operator

Controller for a door operator

Convenient automatic closing system for doors

Coreless motor door closure system

Corner guide assembly

Counter-balancing lid support and hinge

Counterbalance apparatus with transverse pneumatic spring...

Counterbalance hinge for pivoting loads

Counterbalance mechanism for vertical opening door

Counterbalance system cable drum for sectional doors

Counterbalance system for a window havng side loading sashes

Counterbalance system for upward-acting door

Counterbalanced door system for a storage cabinet

Counterbalanced hinges

Counterbalanced window operator