A strap hinge is a basic bearing type of hinge made of metal with a pin passing through metal rings at the end of the hinge sections. They are common on doors, trunks, and gates, and can be functional or decorative. Strap hinges were historically made of cast or wrought iron, and often have rustic designs. They come in various sizes and materials, with some being curved to fit an object’s shape. Some strap hinges are just for decoration and are called dummy hinges.
A strap hinge is a type of basic hinge hardware, technically a bearing type, that consists of two long, narrow pieces, usually of metal, connected by a metal rod called a pin. The pin passes through metal rings at the end of the hinge sections which are designed to align and interlock with each other, forming a pin. The straps themselves are attached to objects, such as a trunk body and lid, and serve to connect the two objects and to allow for rotational movement at the pivot point, such as when lifting the lid onto the trunk. The long, narrow pieces, which may resemble straps, give this type of zipper its name. A typical strap hinge has holes to accept screws. Strap hinges are a very common type of hinge, particularly on doors, trunks and gates and can be functional as well as decorative.
One of the earliest types of hinges, a strap hinge is a very simple and basic hinge that, in the past, was usually made from cast iron or wrought iron. This history is reflected in many decorative strap hinge designs made to resemble these older styles, often with motifs featuring arrows, spears, or fleur-de-lis type designs. Sometimes these rustic looking strap hinges are made from wrought iron or cast iron, although they are commonly made from another metal and painted in a flat black finish to resemble older iron styles.
Depending on the application, a strap hinge may have matching or similar long pieces of metal, such as those found on the trunks of a steamer, or one long piece paired with a short, square, rectangular, or decorative piece. This type of strap hinge is common on doors. The long strap is attached to the door and the small base piece is attached to the frame which is too narrow, or otherwise unable, to accept a second strap-like section. In some cases, again using a trunk as an example, the strap hinges can be curved to fit the shape of an object if needed.
As a basic type of zipper, webbing zippers can be found in a wide variety of sizes, designs, materials, and finishes. Stainless steel, brass, and galvanized steel are some of the most common materials for these hinges. Belt hinges, depending on size, can have a varying number of screw holes and these holes can vary in size depending on the intended application and type of screw. Some strap hinges are just styling cues and don’t actually perform the function of a hinge at all. These are called dummy hinges and are often used on doors or gates as decoration, while the more traditional hinges, hidden from view, are the real pivot point.
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