Speed reducer excludes outside air

Cobra worm gear speed reducer features an internal neoprene diaphragm that collapses and forces warm air to the outside as it runs without allowing contaminated air to enter the system. Internal pressure remains constant, which prevents seal leaks.
By Staff April 1, 1999

Cobra worm gear speed reducer features an internal neoprene diaphragm that collapses and forces warm air to the outside as it runs without allowing contaminated air to enter the system. Internal pressure remains constant, which prevents seal leaks. The lightweight, all-aluminum housing resists rust and corrosion. U.S. Electrical Motors Div., Circle 387