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Quad Roller Skating Forum Discussions about quad roller skates and any other quad skating discussions that do not seem appropriate for one of our other forums.

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Old January 31st, 2018, 01:30 PM   #21
Abyss
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Got ya, thnx!
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Old January 31st, 2018, 07:32 PM   #22
Doc Sk8
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Talking History lesson updae.

I will not guarantee my patent research is anywhere close to 100% complete but so far this is what I have found:

1) The 1919 Chicago patent (earliest king pin style plate patent I have found) is a single action. Judging from the patent drawing, it was a 25 - 30° king pin. Single actions were the norm through the first half of the 20th century. As a side note all of Chicago's patents I have found up to 1964 show single action design drawings. My 1948 Chicago catalog shows both 10 and 45° action sk8s, but all are single action.

2) The first legit DA plate patent I have found was Snyder's OG 15° Dance Deluxe sk8. It had the symmetric cushion DA design however the cushions were NOT 1/2 the size of the SA cushion.

3) There were several DA experiments cushion configurations over the years. Cleveland 15° 200s were available with the 1" SA size barrel between the plate and truck and a small barrel near the floor. They later emulated the Snyder symmetrical cushion configuration on the Citation 200 and later the 400 Sabre.

4) Then of course the "DA45". The Snyder Imperial was the original DA45. Still not a common action but can certainly do it all in the hands of someone with even rudimentary sk8 tuning knowledge.Yes it is a 30° action as is the Avenger and any of the old SG SA plates.

5) The only legit DA45° action I am aware of is the RDE magnesium Axis plate.

There many sk8 actions that do not fall into the aforementioned categories. In fact there are so many I am absolutely certain I have not cross referenced them all. I own and sk8 several and have a few more awaiting resurrection. One can learn a lot from actually sk8ing the weird ones. Shoot, one can learn a lot by sk8ing the common stuff. I do not mean a once around the rink and that's it either. 99% of the time a borrowed sk8 will not give you any kind of legitimate idea of what is going on.

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Old January 31st, 2018, 07:59 PM   #23
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Quote:
Originally Posted by Doc Sk8 View Post
I will not guarantee my patent research is anywhere close to 100% complete but so far this is what I have found:

1) The 1919 Chicago patent (earliest king pin style plate patent I have found) is a single action. Judging from the patent drawing, it was a 25 - 30° king pin. Single actions were the norm through the first half of the 20th century. As a side note all of Chicago's patents I have found up to 1964 show single action design drawings. My 1948 Chicago catalog shows both 10 and 45° action sk8s, but all are single action.

2) The first legit DA plate patent I have found was Snyder's OG 15° Dance Deluxe sk8. It had the symmetric cushion DA design however the cushions were NOT 1/2 the size of the SA cushion.

3) There were several DA experiments cushion configurations over the years. Cleveland 15° 200s were available with the 1" SA size barrel between the plate and truck and a small barrel near the floor. They later emulated the Snyder symmetrical cushion configuration on the Citation 200 and later the 400 Sabre.

4) Then of course the "DA45". The Snyder Imperial was the original DA45. Still not a common action but can certainly do it all in the hands of someone with even rudimentary sk8 tuning knowledge.Yes it is a 30° action as is the Avenger and any of the old SG SA plates.

5) The only legit DA45° action I am aware of is the RDE magnesium Axis plate.

There many sk8 actions that do not fall into the aforementioned categories. In fact there are so many I am absolutely certain I have not cross referenced them all. I own and sk8 several and have a few more awaiting resurrection. One can learn a lot from actually sk8ing the weird ones. Shoot, one can learn a lot by sk8ing the common stuff. I do not mean a once around the rink and that's it either. 99% of the time a borrowed sk8 will not give you any kind of legitimate idea of what is going on.

Very cool and informative, thnx sir
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