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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 September 2nd, 2013, 11:18 AM   #1
JorisKB
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Default Very strange plates with pivot spring

Hi,

Last year, i bought some second hand skates by curiosity, I had never seen such a plate.
I trashed the shoes because they were to old to serve, and since then, i never mount the plates because I don't know what to do with them.

Has anyone seen such plates ?
Does anyone know what it is ?

The skates :


The plates seems to be made of resin, with aluminium screwed to the resin.


There is a big spring on the pivot pin, and the kingpin is mounted on a small axle and can move to the rear (the metal part is to prevent it to move to the front)
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Old September 3rd, 2013, 07:19 AM   #2
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Very strange looking plates, I've never seen plates like these before.
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Old September 3rd, 2013, 09:33 PM   #3
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I don't know what they are but the trucks look like they should go on a diet.
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Old September 3rd, 2013, 10:28 PM   #4
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What changes when you work the suspension lever? Cam action against something? Suspension stiffness adjust?

What is the function of the brass pivot? Does it let the rear tilt more steep or shallow according to the suspension adjustment, or when the shock absorber compresses?

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Old September 3rd, 2013, 11:47 PM   #5
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Quote:
Originally Posted by cass38a View Post
I don't know what they are but the trucks look like they should go on a diet.
The whole thing is quite heavy for something with so few metal parts ^^.
I guess it should be strong though :P


Armadillo, that's a lot of technical terms for my limited english.

The pivot pin is included in a big spring and does not touch the pivot cup before the spring is fully tighten(actually, there is not even really a pivot cup, more like a hole) , the kingpin is not threaded to the plate, but mounted on a small axle ( a m4 screw in a barrel ).

It's a chock absorber, there are cushions for the truck action like a regular plate. I guess the spring do act in the truck action too, dunno if it was intended.

I don't think you can adjust anything, the brass is probably not of brass, but is just a kind of rotula to prevent the kingpin to move forward. It's screwed to the plate and have only one possible position.

It sounds disapointing, I know.
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Old September 3rd, 2013, 11:58 PM   #6
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Ok, I had another look at the pics and observed that they look a bit like upgraded old strap on skates that you tie round your shoes. One thing that led me to believe that these are an upraded strap on skate plate was the wheels, I've got several sets of the old strap on plates and some of them have wheels similar to these. Maybe whoever created these was trying to revolutionise skate plates. I have a feeling that these are very old plates. I may be very wrong because I really don't have a clue.
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Old September 4th, 2013, 12:22 AM   #7
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I tried to do a pic upload into google images and this was one of the images I got:

Seriously this turned up lol. I know, no help at all lol
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Old September 4th, 2013, 12:40 AM   #8
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LOL
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Old September 4th, 2013, 12:56 AM   #9
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Mouarf, that's the idea. WTF skates.


About wheels, they are kryptonics kryptos kryptos CR 62 with a plastic disk inserted in the lips.

The guy who sold them to me said averything was sell as a pack, adidas basketball shoes, strange plate and strange custom kryptos. To him, they were adidas skates.

http://photos.yeure.eu/roller/1991.jpg

Seems very effective to avoid dust in the bearings. maybe even water.

The adidas are from 1994 :
http://snidehead.blogspot.fr/2012/07...b-boot-hi.html
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Old September 4th, 2013, 01:12 AM   #10
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I found patents by looking for shock absorber skates :
https://www.google.com/search?tbo=p&...rd+Marandel%22





OK, that's french.
The cushions have exactly the shape of some of these patents...

This guy seems to have a facebook account...
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Old September 6th, 2013, 08:33 AM   #11
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I'm not bashing 'em, but...

Fixed/bell stopper suggests rec skating plates aimed at casual adult skaters or kids. Which is probably the main reason nobody here knows anything about them?

Last I looked I had two pairs of Super Xs in the basement. One of 'em will probably wind up on my bro-in-law's skates, if I ever find the right cheap boots in his size. Or I'll sell 'em as scrap aluminum.
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Old September 6th, 2013, 04:36 PM   #12
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Actually, they may be prototypes.

Besides, they are French, I don't think nobody here knows about french stuff. The Doc has a lazer in it's collection, but who really knows about them here ?

Bye the way, french lazer are good plates, and they are designed with bell stoppers. Here, before roller derby came, only rink hockey players and figure skaters knew about big stoppers. Good skaters don't use stoppers at all actually.
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Old September 6th, 2013, 05:09 PM   #13
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You mean the lazer plates that are basically boen copies? Yeah, we know about em here.
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Old September 6th, 2013, 06:00 PM   #14
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They may have been influenced by boen, but they are nothing like boen actually, apart having LF/RF shape.
And they certainly not are copies.

They are not even NTS. I don't know any boen plates having stoppers.
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Old September 6th, 2013, 08:05 PM   #15
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Quote:
Originally Posted by swolltitan View Post
You mean the lazer plates that are basically boen copies? Yeah, we know about em here.
Me thinks OP is referring to the Lazer Francais. The curved plate with a quite pointy front end. Nothing at all like a Boen.
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Old September 6th, 2013, 08:44 PM   #16
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You probably refer to the "course" model :



It is actually very uncommon.

The most common model is the "randonnée" model :


But they stopped production some years ago.
The only model remaining is the millennium model :


It's no longer sided, and very very far from a boen
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Old September 6th, 2013, 09:32 PM   #17
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That's them. We have a few of the NTS ones in the top picture in back at our rink. Haven't seen the other two before, but we have a few that have a different toe stop boss on them. I'll have to look tonight.
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Old September 6th, 2013, 09:41 PM   #18
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All models should be on this page :

http://rollerquad.net/platines/platines-lazer/

We lack a picture of a figure model "artistique".
If you know of anything that is not mentioned on this page, please contact Wawa. He is both gatekeeper and keymaster.
If you can take pictures (especially of a figure one), it will be very appreciated Thanks !
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Old September 6th, 2013, 10:57 PM   #19
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Le Swedish Fish!

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Old September 7th, 2013, 03:43 AM   #20
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Quote:
Originally Posted by Sidewinder View Post
Le Swedish Fish!
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