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Phillips screw head. Henry Frank Phillips (June 4, 1889 – April 13, 1958) was an American businessman from Portland, Oregon. The Phillips-head ("crosshead") screw and screwdriver are named after him. [1] The importance of the crosshead screw design lies in its self-centering property, useful on automated production lines that use powered ...
Phillips screw head. Meanwhile, in Portland, Oregon, Henry F. Phillips patented his own invention, an improved version of a deep socket with a cruciform slot, today known as the Phillips Screw. Phillips offered his screw to the American Screw Company, and after a successful trial on the 1936 Cadillac, it quickly swept through the American auto ...
The Phillips Screw Company owns the licensed product that is the Mortorq spiral drive system. The Phillips Screw Company must inspect and approve any punches, bits, and screws before they are cleared for production. Along with this "all licensees must submit samples regularly to ensure that the strict quality standards are maintained". [35]
Many screws used in electrical applications (for example, a typical NEMA 5-15R, breaker screws, and conduit screws) use a combination of a slotted/Phillips/Robertson screw head. A few tool manufacturers make bits to engage this screw head better than the traditional Phillips allowing for more torque before camout, for example, the C1 and C2 ...
Illustration from the 1909 Canadian patent for the Robertson screw. Peter Lymburner Robertson (December 10, 1879 – September 28, 1951) was a Canadian inventor, industrialist, salesman, and philanthropist who popularized the square-socket drive for screws, often called the Robertson drive.
After over 100 people were killed in a South Korea plane accident, here are the worst accidents and crashes in aviation history.
1936 Phillips-head screw. The Phillips-head screw is a crosshead screw design lying in its self-centering property, useful on automated production lines that use power screwdrivers. The Phillips-head screw was invented and patented by Henry F. Phillips in 1936. [264] 1936 Stock car racing. The world-famous Daytona 500
Debby Parker lost over 67 pounds by following the LifeMD weight management program. She is 8 pounds away from her goal weight. Today, she feels physically and mentally stronger than ever.