What is doorknob?
A doorknob is a device used to open and close doors. It typically consists of a round handle attached to a cylinder and a spindle that extends into the door's body. Here are some key points about doorknobs:
-
Types of Doorknobs:
- Standard/Locking Doorknobs: Often used for privacy in bathrooms and bedrooms, featuring a lock mechanism.
- Dummy Doorknobs: These are fixed, non-turning knobs usually used on doors that don’t require a latch, such as closets.
- Passage Doorknobs: These are non-locking knobs typically used for interior doors where privacy is not a concern.
-
Materials:
- Doorknobs can be made from various materials, including brass, stainless steel, glass, wood, porcelain, or plastic. Each material offers different aesthetic and durability properties.
-
Designs and Styles:
- Doorknobs come in a range of designs and finishes to match various architectural styles, from traditional to modern. Common finishes include polished brass, chrome, matte black, and antique bronze.
-
Functionality:
- Besides opening and closing doors, doorknobs can have additional features like a lock with a keyhole or a thumb turn for added security.
-
Installation:
- Installing a doorknob typically involves attaching the two halves through pre-drilled holes in the door and securing them with screws. The latch mechanism is fitted into the edge of the door.
-
Historical Context:
- Doorknobs became popular in the 18th century, with advancements during the industrial revolution contributing to their widespread use due to easier manufacturing processes.
-
Accessibility:
- Lever handles are often recommended over traditional round doorknobs in settings where accessibility for individuals with disabilities is a concern, as they are easier to operate with limited hand strength.
Doorknobs are a common architectural hardware component, and choosing the right one involves considering the specific needs of the door, the desired aesthetics, and any security or accessibility requirements.