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A coupling nut and its orthographic view. A coupling nut, also known as extension nut, is a threaded fastener for joining two male threads, most commonly a threaded rod, [1] [2] but also pipes. [3] The outside of the fastener is usually hexagonal so a wrench can hold it. Variations include reducing coupling nuts, for joining two different size ...
The diagram from Beard's 1897 coupler patent [1]. Janney couplers were first patented in 1873 by Eli H. Janney (U.S. patent 138,405). [2] [3] Andrew Jackson Beard was amongst various inventors that made a multitude of improvements to the knuckle coupler; [1] Beard's patents were U.S. patent 594,059 granted 23 November 1897, which then sold for approximately $50,000, and U.S. patent 624,901 ...
Twist-on wire connectors are not generally recommended for use with aluminum wire in the USA. [1] The U.S. Consumer Product Safety Commission disapproves wire nuts for aluminum wire; instead, special crimp connectors are called for, and as of 2011 the CPSC asserted qualified, second-preference approval of a certain kind of screw terminal. [2]
The kola nut is a caffeine-containing nut of evergreen trees of the genus Cola, primarily of the species Cola acuminata and Cola nitida. [ 2] Cola acuminata, an evergreen tree about 20 meters in height, has long, ovoid leaves pointed at both the ends with a leathery texture. The trees have cream-white flowers with purplish-brown striations, and ...
Former President Donald Trump in an interview on Tuesday claimed Vice President Kamala Harris, who is married to a Jewish man, “doesn’t like Jewish people" and seemed to agree with a radio ...
Zazzle is an American online marketplace that allows designers and customers to create their own products with independent manufacturers (clothing, posters, etc.), as well as use images from participating companies. Zazzle has partnered with many brands to amass a collection of digital images from companies like Disney, Warner Brothers and NCAA ...
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