Patent ID: 8978965
Filing Date: 2015-03-17
Classification: E05D,E05F,E05Y

Abstract:
1. A spring cycle tracker system for a door mounted on a track having at least one spring, the door having an open position and closed position, the system comprising: at least one sensed element of a reflective material comprising a reflective portion and a non-reflective portion; a spring cycle tracker comprising: wherein the sensed element and the spring cycle tracker are mounted such that when the door is moved towards the open position and/or towards the closed position, the sensed element and the controller are moved adjacent to each other so that the sensing element senses the reflective portion and the non-reflective portion of the sensed element, sending an input signal to the controller, incrementing the counter, tracking a number of times the spring is used, and indicating if the door is moving towards the open position or the closed position; and wherein the sensed element and the spring cycle tracker are mounted at a height greater than 50% of the total height of the door when the door is in the closed position.