Henry Frank PhillipsHenry 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.
Who invented the slotted screwdriver?
The first industrial process for making screws was developed in England in the 1760s but it was Cullen Whipple of Providence, RI, who invented the automated method of cutting screws in 1842.
The Invention of the Robertson Screwdriver.
| Published Online | April 30, 2013 |
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| Last Edited | January 25, 2019 |
Apr 30, 2013
Why is it called a flat head screwdriver?
It’s known as standard because it was the original form of driver head. A flathead would refer to the geometry of a screw head itself, and a flatheaded screw could actually have any type of driving head on it (slotted, Phillips, square, etc.).
Who invented the Robertson screwdriver?
Peter Lymburner Robertson
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.
Who invented Phillips head?
The Phillips screw and driver, originally invented by Portlander John P. Thompson, dramatically increased the speed of manufacturing and made the Phillips screwdriver a necessity in every toolbox.
Who invented pozidriv screws?
The Pozidriv was patented by GKN Screws and Fasteners in 1962. It was designed to allow more torque to be applied and greater engagement than Phillips drives.
Where did Phillips head come from?
Phillips was a Portland, Oregon, businessman who invented something to solve a problem that few home-repair folk or do-it-yourselfers even knew existed. In those days, if you wanted to drive a screw into a hole, you just grabbed the right-size slotted screwdriver and did the deed.
Why is it called Phillips head?
The Answer: There really is a Phillips! Henry F. Phillips, of Portland, OR, invented the X-shaped socket head screw for car makers who needed a screw that could be driven with more torque and that would hold more tightly than slotted screws.
What is the real name of a flat head screwdriver?
The tool used to drive a slotted screw head is called a standard, common blade, flat-blade, slot-head, straight, flat, flat-tip, or “flat-head” screwdriver.
Who invented the screw simple machine?
Although Archimedes is credited with inventing the screw in the 3rd century bce,…
How are Phillips head screwdrivers made?
To make the steel rod, wire is machine-drawn to the appropriate diameter, annealed (heat-treated), straightened, and then cold-formed to the proper shape. The cold forming press cuts the wire to the desired length and forms the tip of the screwdriver and the “wings” that will fit into the handle.
Where was the screw invented?
The very first origins of screws are somewhat up for debate, but we do know that wooden screws were used during the first century B.C. throughout the Mediterranean region. They were mainly used to assist in the production of olive oil and wine.
What does G stand for in screws?
Self Tapping Screw Gauge (g)
Who invented the threaded nut and bolt?
Archytas of Tarentum
“But many consider that the screw thread was invented around 400 BC by [Greek philosopher] Archytas of Tarentum, who has often been called the founder of mechanics and considered a contemporary of Plato,” Eccles writes on his website.
How is screw made?
Thread Rolling
The straightened wire is then cut into designated lengths, and then the head is cut into a preprogrammed shape. This is how screws get their many variations in their heads, and the machine can produce 100 to 550 screw blanks in a minute.
How is a screw head made?
Cold forging – Molding the steel into the right shape at room temperature. Bolt head – Progressively formed by forcing the steel into various dies at high pressure. Threading – Threads are formed by rolling or cutting. Heat treatment – The bolt is exposed to extreme heat to harden steel.
How was the first screw made?
Around the first century CE, screw-shaped tools became common, however, historians do not know who invented the first. Early screws were made from wood and were used in wine presses, olive oil presses, and for pressing clothes.
