Robertson Screws: Canadian #AtoZChallenge

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Did you know that Canada has a screw that’s mostly unique to our country?  It’s called the Robertson screw] or “square-head” screw.

First manufactured in Milton, Ontario (where my aunt and uncle lived when I was a child) in 1908 and patented in 1909, the fastener remains named after its inventor, P.L. Robertson.

Robertson screws look like this:

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And they look like that because Mr. Robertson cut his hand using a spring-loaded screwdriver and decided to design a safer screw.

Of course, there’s also a screwdriver.

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You can find Robertson screws and screwdrivers in the United States, but sparingly.  Apparently Mr. Robertson did try to pitch his great new invention to a company in Buffalo, NY, but gave up after they couldn’t come to an agreement.  His screws were then used in the manufacturing of Canadian Ford cars and the savings incurred were noticed by Ford Motor Company in Detroit.  However, Henry Ford wanted ownership on decisions about how the screws were used and Mr. Robertson didn’t want to let that power go.  So – today, Robertson screws and screwdrivers are mostly a Canadian ‘thing’.

 

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