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Wahl Clipper Corporation was founded due to Leo J. Wahl's patent for an electromagnetic hair clipper in 1919. [3] On February 2, 1921, he purchased a majority of the stock of his uncle's manufacturing company which made the clipper, and incorporated the business as Wahl Clipper Corporation. [4] In 1924, Leo Wahl patented a vibrating motor hair ...
Both magnetic and pivot style clippers use magnetic forces derived from winding copper wire around steel. Alternating current creates a cycle attracting and relaxing to a spring to create the speed and torque to drive the clipper cutter across the combing blade. Leo J. Wahl invented the first electric hair clipper. He first designed a hand-held ...
The advantage of "motor" type clippers is that they provide a positive power stroke in both directions of cutting (as the blade moves back and forth); The other type of clipper motor is the "vibrator type" clipper which, instead of having a rotating armetured motor, has a magnetic vibrating strip that pulls the blade to one side, and, as the AC ...
Electric hair clippers, safety razor An electric shaver (also known as the dry razor , electric razor , or simply shaver ) is a razor with an electrically powered rotating or oscillating blade. The electric shaver usually does not require the use of shaving cream , soap, or water.
A ballistic knife is a knife with a detachable blade that can be ejected to a distance of several meters/yards by pressing a trigger or operating a lever or switch on the handle. [1] [2] Spring-powered ballistic knives first appeared in books and press reports on Soviet and Eastern Bloc armed forces in the late 1970s. Commercially-produced ...
Scalpel blades are usually made of hardened and tempered steel, stainless steel, or high carbon steel; in addition, titanium, ceramic, diamond and even obsidian knives are not uncommon. For example, when performing surgery under MRI guidance, steel blades are unusable (the blades would be drawn to the magnets and would also cause image artifacts).