|
About:
|
What are the different types of eyeglass hinges?
1. Standard Hinges
Standard hinges are also known as barrel hinges or tenon hinges and are the most common type of hinges used on most eyeglasses and sunglasses frames.
A standard hinge works by consisting of a barrel hinge design, which is a design made of interlocking metal loops that are all held in place by a small screw through the middle of the loops.
The metal loops in a standard glasses hinge are also known as charniers.
Barrel hinges come in intervals of either 3, 5, 7 or 9 charniers.
Benefits of a Standard Hinge
Standard hinges are the easiest to repair and modify if needed to help make you glasses fit more comfortably.
Standard hinges can be more durable, especially the seven barrel hinge design.
Disadvantages of a Standard Hinge
Standard hinges cannot extend the temples on glasses past ninety degrees, this makes them prone to breaking if the arms of the glasses are pulled too far apart.
Standard hinges might not be the most comfortable if you have a wider face that needs the temples on your frames to extend out wider.
2. Spring Hinges
Spring hinges are hinges that have a spring mechanism that allows the temples of a glasses frame attached to the hinge to extend beyond ninety degrees.
Benefits of a Spring Hinge
Spring hinges biggest benefit is the flexibility of allowing the arms on your eyeglasses or sunglasses to open out wider for your face.
Spring hinges allow for a one size fit all option for different glasses styles.
Spring hinges require no adjustments for comfort fittings.
Spring hinges are an alternative option to using standard hinges for most adult eyeglasses and sunglasses.
Disadvantages of a Spring Hinge
Spring hinges cannot be custom adjusted
Spring hinges are more difficult to repair compared to standard hinges if they get damaged or broken.
3. Hingeless Frames
Hingeless frames are glasses that have no metal hinge mechanisms attached to the frames to help move the temples of the glasses.
|
