Leo J. Wahl invented the electric hair clipper. At first, Leo J. Wahl made a medical massager for his uncle J. Frank Wahl with an electromagnetic motor. Frank opens a manufacturing facility in Sterling, Illinois to manufacture and sell Leo-designed massagers. After selling them to barbershops, Leo realized he could use electromagnetic motors to improve haircutting tools. He later took over his uncle's business and continued working on his invention, the electric hair clipper.

In 1919, Leo patented his newly developed electromagnetic hair clipper and began manufacturing it at the Wahl Manufacturing Company.

By the end of 1920, his factory had produced and sold thousands of clippers to barbers across the United States. He focuses on working directly with barbers to improve the efficiency and convenience of his clippers. The hair clipper has been continuously improved, and the performance of the product has made a qualitative leap.

On February 2, 1921, after Leo J. Wahl obtained the patent for the new hair clipper, he purchased 100% of the shares of Wahl Manufacturing Company and changed the company's name to Wahl Hair Clipper Company. Clipper Corporation). The company has grown rapidly, benefiting from manufacturing revenues and royalties.

When Leo J. Wahl died on May 20, 1957, he held more than 100 patents. His descendants still run the company today. Wahl clipper is now an international industry leader in the manufacture of professional grooming, personal care and animal grooming products. Wahl products are sold in 165 countries around the world.

How Electric Hair Clippers Work
Hair clippers are divided into plug-in hair clippers and rechargeable hair clippers, which we will discuss separately next.
1. Plug-in hair clipper
Appearance of the plug-in hair clipper (with a wired plug, no battery inside, must be plugged in for use):

The internal structure of plug-in hair clipper

The first structure:

Working principle: When connected to 220V AC, the energized coil generates electromagnetic force to act on the transmission part, and the position of the transmission part shifts, and then the elastic force of the spring restores the position of the transmission part. The transmission part is connected to the moving knife of the cutter head, so The moving knife reciprocates horizontally to achieve the purpose of cutting hair.

The second structure:

Working principle: Using alternating current, the reciprocating motion of the blade is completed by switching on and off the electromagnets on both sides. Typically these clippers have slower blade speeds, but pivot clippers produce at least twice the cutting force of magnetic clippers. So it is easier to trim wet hair while using it.

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