See how adding this spring to a hinge makes it easier to open or close.

Garage doors don't just protect vehicles—they also strongly define a home's exterior look. Learn about the main types of ...

In addition, at that same hinge are two electric actuators that not only help push the door open a bit so the torsion springs can work their magic and open the door, but they also act to oppose ...

SAFETY WARNING: Do not attempt to repair torsion spring doors yourself, as specialized tools are required. Garage Door Hinge Maintenance ...

Object Details Description Rounded rectangular, cloisonne enamel case featuring identical, twisted wirework designs on the spring-loaded, hinged lid and back of one large and four small, translucent ...