Patent ID: 7966906
Filing Date: 2011-06-28
Classification: G05G,G09F,H01H,Y10T

Abstract:
1. A method of installing first and second labeled buttons on first and second similar air flow control devices while ensuring that the first labeled button is installed on the first air flow control device and the second labeled button is installed on the second air flow control device, the method comprising the steps of: providing at least two similar air flow control devices, each air flow control device having a plunger with a button orientation feature; providing at least two similar buttons, each button having a label space, a plunger orientation feature and a timing mark; providing first and second labels having different visual indicia, each label having a timing mark for association with a timing mark on one of the at least two similar buttons; installing the first label on a randomly selected first one of the buttons by aligning the timing mark of the first label with the timing mark of the first button; installing the second label on a randomly selected second one of the buttons by aligning the timing mark of the second label with the timing mark of the second button; installing the first button on the first air flow control device so that the visual indicia on the first label is upright and the plunger orientation feature on the first button is engaged with the button orientation feature on the plunger of the first air flow control device; and installing the second button on the second air flow control device so that the visual indicia on the second label is upright and the plunger orientation feature on the second button is engaged with the button orientation feature on the plunger of the second air flow control device.