An actual post related to flying

In a previous article, "Private" said:
they are superior to the Phillips in every way. IIRC there is some real
historical chauvinism that resulted in the use of the Phillips design in the
USA and the rejection of the superior Robertson.

"historical chauvinism" is sometimes spelt "high licensing fees".


--
Paul Tomblin http://blog.xcski.com/
"Go go Gadget kernel compile!" - Chris "Saundo" Saunderson

"Paul Tomblin" wrote in message
...
In a previous article, "Private" said:
they are superior to the Phillips in every way. IIRC there is some real
historical chauvinism that resulted in the use of the Phillips design in
the
USA and the rejection of the superior Robertson.

"historical chauvinism" is sometimes spelt "high licensing fees".


IIRC this was part of the problem in this case. I suspect that any patent
would have expired by now, but perhaps there is a surviving copyright.

Happy landings,

"Private" wrote in message
news:urkGh.1219037$R63.505948@pd7urf1no...

"Paul Tomblin" wrote in message
...
In a previous article, "Private" said:
they are superior to the Phillips in every way. IIRC there is some real
historical chauvinism that resulted in the use of the Phillips design in
the
USA and the rejection of the superior Robertson.

"historical chauvinism" is sometimes spelt "high licensing fees".


IIRC this was part of the problem in this case. I suspect that any patent
would have expired by now, but perhaps there is a surviving copyright.

Happy landings,


From Wikipedia
http://en.wikipedia.org/wiki/Robertson_screwdriver
http://en.wikipedia.org/wiki/P.L._Robertson

I note that Robertson was having the same kind of legal problems protecting
his invention as the Wrights were having at the same time. Today we realize
that he would perhaps have been smarter to give away the license to use the
screws and to retain the license for the drivers.

Also of interest and on topic
http://en.wikipedia.org/wiki/One_Good_Turn

http://en.wikipedia.org/wiki/Phillips_Head

Happy landings,

"Private" wrote

I note that Robertson was having the same kind of legal problems
protecting his invention as the Wrights were having at the same time.
Today we realize that he would perhaps have been smarter to give away the
license to use the screws and to retain the license for the drivers.

It may be of interest that square drive screws are becoming much more
popular in construction work.

I have used square drive finish screws. Neatest thing since sliced bread,
where it is needed, as in having a 12d finish nail sized hole, but the
ability to pull something together, and hold much better than a nail.

Also, deck screws with a square drive are around. It may be that if there
is still a royalty for using Robertson screws, they got around it in an
innovative way. These screws I am talking about can be driven by a Phillips
head driver (very poorly, though) but have the inside of the Phillips slots
enlarged so that a square drive will fit in it. If you keep a reasonable
amount of pressure on them, they WILL not slip.

I look forward to seeing more and different kinds of hardware showing up
with square drives. I'll switch every one out that I can find!
--
Jim in NC

"Morgans" wrote in message
...

"Private" wrote

snip
Also, deck screws with a square drive are around. It may be that if there
is still a royalty for using Robertson screws, they got around it in an
innovative way. These screws I am talking about can be driven by a
Phillips head driver (very poorly, though) but have the inside of the
Phillips slots enlarged so that a square drive will fit in it. If you
keep a reasonable amount of pressure on them, they WILL not slip.

I look forward to seeing more and different kinds of hardware showing up
with square drives. I'll switch every one out that I can find!
--
Jim in NC

I have not seen this type of decking screws but have been using some
European screws for assembling cabinet boxes that have this type of head.
IIRC they are called 'Conformat' and AFAIK are really designed for particle
board but are great for plywood. They have great clamping force but are not
pointed and do not tend to split the plys when screwed into the endgrain,
they do require a $pecial $tepped drill bit. They have a very sharp but
coarse pitch thread with a large flat landing at the root of the thread,
something like this --^----^----^----^----^-- These screws can also be
driven with either a big Philips or a #2 Robertson.

On Sat, 3 Mar 2007 19:42:48 +0000 (UTC),
(Paul Tomblin) wrote:

In a previous article, "Private" said:
they are superior to the Phillips in every way. IIRC there is some real
historical chauvinism that resulted in the use of the Phillips design in the
USA and the rejection of the superior Robertson.

"historical chauvinism" is sometimes spelt "high licensing fees".

Have we covered Pozidrive versus Phillips? (Too many mgs to scan.)

Tektronix used Pozidrives exclusively when I was there.

Don