Electric brakes are assemblies consisting of electrical elements for the slowing or stopping of shafts in equipment drives. Electrical power is required to activate the brake.
Pneumatic brakes are assemblies consisting of elements for the slowing or stopping of shafts in equipment drives. Air is required to activate the brake.
Universal joints are flexible mechanical connections used to transmit rotary motion from one shaft to another shaft that is not in line with the first, or when alignment varies during service.