Belt-driven rack gear power sliding door
Bi-directional pass-point system for controlling the...
Bi-directional pass-point system for controlling the...
Bi-directional pass-point system for controlling the...
Bi-fold door lift apparatus
Biased door retaining assembly
Block and tackle balance assembly with brake shoe
Block and tackle window balance
Block and tackle window balance with bottom guide roller
Bottom bracket for upward acting door
Bowden-cable equipped window lift
Bowden-cable window-lifter drive for vehicles
Brake for fire shutters
Braking apparatus for closure members
Braking mechanism for over-top flipper door slide system
Building door opener
Bumper device