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  2. Garage door - Wikipedia

    en.wikipedia.org/wiki/Garage_door

    Garage Door Hardware. A garage door is a large door to allow egress for a garage that opens either manually or by an electric motor (a garage door opener). Garage doors are frequently large enough to accommodate automobiles and other vehicles. The operating mechanism is usually spring-loaded or counterbalanced to offset the door's weight and ...

  3. Torsion spring - Wikipedia

    en.wikipedia.org/wiki/Torsion_spring

    A helical torsion spring, is a metal rod or wire in the shape of a helix (coil) that is subjected to twisting about the axis of the coil by sideways forces (bending moments) applied to its ends, twisting the coil tighter. Clocks use a spiral wound torsion spring (a form of helical torsion spring where the coils are around each other instead of ...

  4. Spring (device) - Wikipedia

    en.wikipedia.org/wiki/Spring_(device)

    A torsion spring is a spring that works by twisting; when it is twisted about its axis by an angle, it produces a torque proportional to the angle. A torsion spring's rate is in units of torque divided by angle, such as N·m/rad or ft·lbf/degree. The inverse of spring rate is compliance, that is: if a spring has a rate of 10 N/mm, it has a ...

  5. Garage door opener - Wikipedia

    en.wikipedia.org/wiki/Garage_door_opener

    A residential garage door opener. The motor is in the box on the upper-right. A garage door opener is a motorized device that opens and closes a garage door controlled by switches on the garage wall. Most also include a handheld radio remote control carried by the owner, which can be used to open and close the door from a short distance.

  6. 5 Dollar Tree Items Homeowners Should Stock Up on Before ...

    www.aol.com/finance/5-dollar-tree-items...

    If you have older windows, they may cause most of your problems. In this case, a window insulation kit would be useful. Dollar Tree sells Tool Bench window insulation kits for $1.25 each. Simply ...

  7. A suspect has been identified in connection with the killing of a man at a Montana campsite whose death was initially reported by a 911 caller as a possible bear attack, authorities said. A friend ...