AIR VALVE OPERATOR

摘要

An operator for an air flow control device includes a button mounted on a plunger. The button is indexable at forty-five degree increments on the plunger. The button has a non-circular label area that is adapted to receive a non-circul ar label for the operator so as to present either a diamond shape or an octagon shape to a viewer of the button. The button can have either a snap fit or a threaded connection to th e plunger.