Bushing : Grease lubrcated ball bearing mounted out-board of frame.
Actuator : Pneumatic , manual worm gear or electric motor.
Blade : 16 to 13 Gauge thickness steel sheet of three longitudinal grooves
Bushing : Grease lubrcated ball bearing mounted out-board of frame. Actuator : Pneumatic , manual worm gear or electric motor.
DESCRIPTION AND STANDARD MATERIALS OF CONSTRUCTION