Door Knob Handle

prusaprinters

<p>This device allows anybody to operate a knob type door without the use of his/her hands. The device will be installed on the doorknob indefinitely.</p> <p>To operate simply slide the forearm inside the armrest and push down to rotate the device will pulling/pushing the door.</p> <p>Installation process:</p> <ol> <li>Insert the leaver in its 90º angle with the teeth facing away from the locking mechanism.</li> <li>Insert the teeth inside the ratchet located in the outer hinge of the locking mechanism.</li> <li>Tighten the locking mechanism as close as possible to the area in the knob that has the widest perimeter.</li> <li><p>Press the leaver against the handle to lock the device in place.</p> <p>4a. If the device is too tight, release some teeth operating the ratchet release button.<br/> 4b. If the device is too loose, unlock the lever first and then continue inserting teeth inside the ratchet.</p> </li> </ol> <p>To uninstall the device simply lever and press the releasing button in the ratchet.</p> <h3>Print instructions</h3><p>Supports are not necessary.<br/> Print with at least 3 perimeters, about 30% infill.</p>