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Offline skylab

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strange locking device
« on: October 12, 2011, 07:37:27 PM »
Found this locking device label "Dayton Rogers MFG", made of stainless steel.
The guy I bought it from said it was used at the factory to lock down machinery.
I wonder if 2 or more locks were used on this at once. 

Anyone ever seen one of these?
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Offline rusty

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Re: strange locking device
« Reply #1 on: October 12, 2011, 07:44:28 PM »
>I wonder if 2 or more locks were used on this at once.

Yes. Standard lockput procedcure for some things requires multiple people to have their own independent locks, so the machine can  not be operated untill everyone has finished working on it.
The top part is probably for a valve handle.
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Offline Papaw

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Re: strange locking device
« Reply #2 on: October 12, 2011, 07:45:11 PM »
Looks like a "lock- out", but having more than one lock on it would require each key to be used to open it.
Darn it! Rusty is just too quick!
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Offline BruceS

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Re: strange locking device
« Reply #3 on: October 12, 2011, 10:18:38 PM »
Quote from: rusty on October 12, 2011, 07:44:28 PM
>I wonder if 2 or more locks were used on this at once.

Yes. Standard lockput procedcure for some things requires multiple people to have their own independent locks, so the machine can  not be operated untill everyone has finished working on it.
The top part is probably for a valve handle.
[
/quote]
The top hook goes into a lever type circuit breaker or disconnect box handle.
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Offline scottg

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Re: strange locking device
« Reply #4 on: October 13, 2011, 12:36:10 AM »
  Electrical gear
Yeah, its a big deal in industry.
 You shut off the main breaker and because you think nobody is around, you don't lock it out.
Pretty soon there you are up to your knees in 440 3phase, when someone comes in just to check the schedule and sees the breaker, and thinks its a mistake, and throws it back closed.
 
 Or, you finish your shift and the next shift comes on and some big fat high amperage wires laying loose, and somebody throws the breaker.

 Bad things happen. You don't screw around with serious electricity.

You are issued a lock with the only key. More than one if you need.
  Nobody --ever-- removes your lock, but you.
  If two are working both put on their locks. 
 
  No shortcuts.  Lives are at stake. 
   yours Scott
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Offline amertrac

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Re: strange locking device
« Reply #5 on: October 13, 2011, 06:18:43 AM »
when I worked for the power company i saw a lot of them only they were painted the reddest red i ever saw.  bob w.
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Offline johnsironsanctuary

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Re: strange locking device
« Reply #6 on: October 13, 2011, 08:31:47 AM »


Dayton-Rogers is still in business in Minneapolis. They are a high tech short run stamping house that also does rapid prototyping.

http://www.daytonrogers.com/aboutus.aspx
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