It was established in 1936 by leno martin.
Martin garage door controlled decent device.
2007 martin introduces extruded aluminum doors with a new fingershield section joint.
Martin garage door operator angle installation.
Martin doors are now in over 80 countries.
Martin introduced the controlled descent device the ultimate anti drop door device.
If the shaft rotates at too high a speed the device in the present invention is activated and stops the descent of the door.
The cdd keeps a garage door from free falling due to factors such as aging broken or weak springs or even a broken lift cable.
All of their garage doors feature a controlled descent device cdd which is an anti drop safety feature with a lifetime guarantee.
If a user then raises the door a few inches the mechanism of the present invention resets allowing the user to lower the door at a slow rate of speed.
Martin garage door installing the controlled decent device duration.
Martin garage doors safety martin prides themselves on safety.