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Whitcomb L. Judson (March 7, 1843 – December 7, 1909) was an American machine salesman, mechanical engineer and inventor. He received thirty patents over a sixteen-year career, fourteen of which were on pneumatic street railway innovations.
A zipper, zip, or fly, formerly known as a clasp locker, is a commonly used device for binding together two edges of fabric or other flexible material. Used in clothing (e.g. jackets and jeans ), luggage and other bags , camping gear (e.g. tents and sleeping bags ), and many other items, zippers come in a wide range of sizes, shapes, and colors.
In 1891 Chicago inventor Whitcomb L. Judson wanted an easier way to lace up his shoes so he devised a system of hooks and eyes, plus a slide mechanism, to fasten and unfasten the hooks. He exhibited his device at the 1893 World's Columbian Exposition .
It is what clasps the zipper teeth or separates them depending on the direction of movement. Attached to it is the pull tab, the extension that is held when moving the zipper up or down. Some sliders come with a zip-lock feature in that, when the pull tab is lowered, it locks the slider in place and when raised, it unlocks it.
A lobster clasp, also known as a lobster hook, lobster claw, trigger clasp, or bocklebee clasp, is a fastener that is held closed by a spring. [ 1 ] [ 2 ] The lobster clasp is opened or closed by actuating a small lever, after which it is attached to (or removed from) a short link-chain or a ring-like structure.
George Washington Gale Ferris Jr., inventor of the Ferris wheel; Whitcomb L. Judson, inventor of the zipper; Charles Rudolph Walgreen, founder of Walgreens; Albert Blake Dick, a businessman who founded the A. B. Dick Company, a major American copier manufacturer and office supply company of the 20th Century. He coined the word "mimeograph".
Kits often also include a wax crayon to mark the puncture location. A repair kit or service kit is a set of items used to repair a device, commonly comprising both tools and spare parts. Many kits are designed for vehicles, such as cars, boats, airplanes, motorbikes, and bicycles, and may be kept with the vehicle in order to make on-the-spot ...
The court necklace originated from a Buddhist rosary sent in 1643 by the Dalai Lama to the first emperor of the Qing dynasty. The necklace is composed of 108 small beads, with 4 large beads of contrasting stones to symbolize the 4 seasons, and was placed between groups of 27 beads.