Chain Drive Extensions, Does anyone else have one?

[Jbullfrog]

I have two Blue-Point Chain Drive offset extentions that are priceless when needed. The 1/4" drive has JWT1 on the back and Blue-Point USA PAT on the other side. It is 7-1/2" from the female square to the male square drive. 1 also have a 3/8" drive that I use for starter bolts on Ford tractors.

Has anyone else ever seen one of these? Are they still available? Who actually made them for Snap-On?

 

[chad s]

wow, id like to find one of those in 3/8 drive. Just checked ebay, couldnt find anything. Perhaps there is another term for them besides a chain drive extension?

 

[Jbullfrog]

Snap-On had them for a year or two, but they never made the catalog. I saw them on the truck in 2000. Since I got mine 4 or 5 years ago, I haven't seen another one any where.

 

[Uncle Buck]

Man, the ultimate specialty ratchet! that is the first one I have ever seen, I would buy one of those in a heartbeat! I wish those were still available, I would even go as far as to buy from Snap-On to get my mitts on one of those!

 

[OctaneMotorsports]

Damn, that's cool! Useless for me, but cool!

 

[ImportTuner]

Pretty nice; first time I've seen these ... does anybody else make one like it?

 

[Blacknwhitepit]

Looking at the tool and seeing the JWT-1 code leads me to believe this tool was made by the J.H. Williams company (now owned by Snap on). I have a few of these Williams specialty tools (In line wrenches) and the construction looks very similar.

http://productivetool.com/j_h_williams_hand_tools.htm

-BWP

 

[Rickster]

That Productive Tool website is pretty cool, but where are they hiding the prices? I often see Williams stuff at garage sales, I'll have to start picking it up!

 

[Uncle Buck]

That Productive Tool website is pretty cool, but where are they hiding the prices? I often see Williams stuff at garage sales, I'll have to start picking it up!

I have quite a few Williams tools, if you have been passing on them, you have been missin the boat. Williams tools are good stuff, and were, long before they got hooked up with Snap-On!

 

[May Pop]

That looks alot like an airconditioning tool. Used to open a/c valves.

 

[Major Ramifications]

OK, call me stupid, but why is it called a chain drive wrench?

It looks like an old Blackhawk ratchet I have, where you push the square drive part through to the other side to change direction.

 

[ImportTuner]

OK, call me stupid, but why is it called a chain drive wrench?

It looks like an old Blackhawk ratchet I have, where you push the square drive part through to the other side to change direction.

I was wondering the same thing ... does it have a chain inside?

 

[Jbullfrog]

I call it that because it has a chain inside that connects the two ends. The female square drive rotates the male square drive that is 7-1/2" away. You put your ratchet in the square drive of the one end and turn the socket attached to the other end. One common application is removing fan bolts. Where you don't have access to directly swing a ratchet, but with this offset, you can use an extention through the blades and swing the ratchet behind the fan on one side.

 

[Uncle Buck]

That looks alot like an airconditioning tool. Used to open a/c valves.

That was what I thought it was too until I took a closer look!

 

[Major Ramifications]

I call it that because it has a chain inside that connects the two ends. The female square drive rotates the male square drive that is 7-1/2" away. You put your ratchet in the square drive of the one end and turn the socket attached to the other end. One common application is removing fan bolts. Where you don't have access to directly swing a ratchet, but with this offset, you can use an extention through the blades and swing the ratchet behind the fan on one side.

Now I get it! Damn, that is COOL! I might have to be on the lookout for one, just for the hell of it.

 

[chad s]

I finnaly scored a pair of these, in 3/8 and 1/4 drive. They were kind of pricey, but NOS, and I know they are rare. Dont know if I'll need them a lot, but definately very cool!


http://cgi.ebay.com/ebaymotors/Snap...012QQitemZ220158244891QQrdZ1QQsspagenameZWDVW

http://cgi.ebay.com/ebaymotors/Snap...012QQitemZ220158245884QQrdZ1QQsspagenameZWDVW

 

[Danglerb]

Funny I was looking at those last night, the guy is local to me and has a rubbermaid looking service cart for pickup only I am thinking about bidding on, so I checked the rest of his listings. He calls it a torque multipler, so is it one to one or geared down? A chain inside or a series of gears?

 

[Jbullfrog]

They have no multiplication involved. There is a sprocket at both ends with a chain connecting them. It is a 1:1 ratio. It simply offsets your drive tool 5-6" from what you have the socket on and or reverses the orientation. They are very usefull for fan bolts on tractors where you have to reach into the shroud to remove the bolts.

 

[ColdDuckTime]

They have no multiplication involved. There is a sprocket at both ends with a chain connecting them. It is a 1:1 ratio. It simply offsets your drive tool 5-6" from what you have the socket on and or reverses the orientation. They are very usefull for fan bolts on tractors where you have to reach into the shroud to remove the bolts.

Now there's a good use...fan bolts. I always have hated how I manage to cut myself on blades, shrouds, and radiator fins.

The next logical step is to hook an impact wrench on one of those babies.

 

[chad s]

The next logical step is to hook an impact wrench on one of those babies.

I dont know. They are hard to find, and no longer made, and probably not designed for impacting. I wouldnt want to risk wrecking one with an impact.

 

[wilbilt]

I often wished I had a tool like that. I had no idea they were commercially produced.

 

[Jbullfrog]

I dont know. They are hard to find, and no longer made, and probably not designed for impacting. I wouldnt want to risk wrecking one with an impact.

I have the sticker label from both of mine that state "Do not exceed 45lb/ft of torque and not for impact use. I have used them with an air ratchet from time to time.

The other place I use them is for the inside bolt on Ford tractor starters. You can see it with a mirror, and have to have a wobble socket and 10" extention which gets you just short of the fuel filters.

 

[Uncle Buck]

Dragging up this old thread, who here has these devices? I finally found a set in a pawn shop for $50 for the pair and pounced on them. I still have not needed them yet though.

 

[Moose-LandTran]

Damnit! I've been looking for some since seeing this thread, still no luck.

 

[Jbullfrog]

Dragging up this old thread, who here has these devices? I finally found a set in a pawn shop for $50 for the pair and pounced on them. I still have not needed them yet though.

You will be happy that you have them someday. I used mine for motor mounts on a rear tine tiller a couple weeks ago.

 

[Blacknwhitepit]

Still have mine!!!

-BWP

 

[Uncle Buck]

You will be happy that you have them someday. I used mine for motor mounts on a rear tine tiller a couple weeks ago.

No doubt I will, I figure them for that tool that will save my hiney on some job at some point in time!

EDIT: What the heck! BWP has two of the 3/8" drives!

BTW: Did the ones you guys bought still have the stickers on them cautioning against using them beyond a certain torque value? I do not recall, but that torque was not much, something like 50-70 foot lbs or so as I recall.

^^^^^^^^^Never mind I just noticed BWP has his labels, and showed them.

 

[chad s]

I have an extra 1/4" one in excellent condition that I will sell.

 

[Uncle Buck]

I have an extra 1/4" one in excellent condition that I will sell.

I bet some poor unfortunate here would be thrilled to buy it from you too!

 

[Monte]

sweet !!!
ps: How is the "overtorque detection system" working ?

 

[Moose-LandTran]

I want..

 

[Jbullfrog]

I usually fill a measuring cup with 20w and submerge the end with the oil hole and then turn the other end to lube the chain at least a couple times a year.

 

[Deafautotech]

I have an extra 1/4" one in excellent condition that I will sell.

how much you will sell it?? i am curious... i might interest but need know how much..

 

[Thedroid]

Very cool. Never even heard of those before.

 

[malibu101]

sweet !!!
ps: How is the "overtorque detection system" working ?

overtorque detection = broken
Fancy wording to say NO WARRANTY.
The SO warranty issue comes up again.

Sorry, I couldn't resist.

 

[Moose-LandTran]

Still have mine!!!

-BWP

Fancy selling that spare 3/8" one by any chance?

 

[Diesel-Mech]

Digging this old thread back up since I finally have a set of these.

These things are awesome, its a shame they aren't more common.

 

[arkangel06]

Those thing are flipping cool

 

[superautobacs]

There was an offering in the past, in Japan. Produced by a company called Merry. It was called the Barrier Wrench. They had a patent that covered US, West Germany, Japan and Korea.

Check the attachment titles for more informantion.

 

[bushhawg73]

Man I sure would like to have a 1/4 and 3/8. They look way cool and old school.