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The latch hook tool traces its origin to the invention of the latch needle. Invented in 1847, the latch needle was part of a knitting machine that wrapped yarn around the latch and pushed through a canvas before pulling it through and knotting the yarn to the canvas. [6] In the 1920s, the tool was created by combining the hand hook with the ...
A cabin hook latch. A cabin hook is a hooked bar that engages into a staple. [7] [8] The bar is usually attached permanently to a ring or staple that is fixed with screws or nails to woodwork or a wall at the same level as the eye screw. The eye screw is usually screwed into the adjacent wall or onto the door itself.
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[1] [3] Hook-and-loop is regarded by some like Steven Vogel [5] or Werner Nachtigall [6] as a key example of inspiration from nature or the copying of nature's mechanisms (called bionics or biomimesis). Macro photograph of velcro hooks. The big breakthrough de Mestral made was to think about hook-and-eye closures on a greatly reduced scale ...
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This example has two bolts: a sprung latch at the top, and a locking bolt at the bottom. Right: the box keep, installed in the doorjamb. A mortise lock (also spelled mortice lock in British English ) is a lock that requires a pocket—the mortise —to be cut into the edge of the door or piece of furniture into which the lock is to be fitted.
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 January 2025. Device to open or close door Various examples of door handles throughout history A door handle or doorknob is a handle used to open or close a door. Door handles can be found on all types of doors including: exterior doors of residential and commercial buildings, internal doors, cupboard ...
A lifting hook with a safety latch. A lifting hook is a device for grabbing and lifting loads by means of a device such as a hoist or crane.A lifting hook is usually equipped with a safety latch to prevent the disengagement of the lifting wire rope sling, chain or rope to which the load is attached.