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What is hinge throw?

Published in Hinge Mechanics 2 mins read

Hinge throw refers to the swinging radius or the arc a door or gate travels when opened using a hinge. It essentially describes the extent to which a hinged object can be opened.

Understanding Traditional vs. Wide-Throw Hinges

Traditional hinges typically allow for a 90-degree opening radius. This means a door can open roughly one-quarter of the way from its closed position.

  • Imagine a door initially closed against a wall (0 degrees). When opened using a traditional hinge, the door can swing 90 degrees out from the wall.

Wide-throw hinges, on the other hand, allow for a wider opening radius than traditional hinges. They permit doors or gates to swing open further.

  • Wide-throw hinges are ideal for situations where a door needs to open more than 90 degrees.

Types of Hinge Throw

While traditional hinges are typically 90 degrees, wide-throw hinges can vary in the extent of their throw:

  • 90-Degree Throw: This is the standard opening for traditional hinges.
  • Greater than 90-Degree Throw: Hinges that allow the door to swing past 90 degrees are considered wide-throw hinges. The specific degree can vary.
    • For example, some hinges can open to 135 degrees or even 180 degrees.

Practical Applications and Examples

  • Doors needing wider clearance: In tight spaces, a wider-throw hinge is useful, such as a door next to a corner or in a narrow hallway. This ensures that the door can fully open and not obstruct passage.
  • Gates: Wide-throw hinges can allow gates to swing fully open and lie flat against a fence or wall.
  • Cabinet doors: Certain cabinet designs might benefit from a wider throw hinge, allowing better access to the contents.

Summary Table

Feature Traditional Hinge Wide-Throw Hinge
Typical Throw 90 degrees Greater than 90 degrees
Opening Radius Limited Wider
Common Use Cases Standard doors Wide doors, gates

By understanding hinge throw, you can choose the correct hinge for your specific needs, ensuring the door or gate functions effectively.

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