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Implement Alley Discussion Forum

Pittman Bar

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Peabody

03-12-2007 07:56:04




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OK, guys. Where did the name "Pittman" Bar come from, and is it "Pittman" or "Pitman"?




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Sam#3

03-12-2007 20:37:43




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 Re: Pittman Bar in reply to Peabody, 03-12-2007 07:56:04  
This is what Merriam-Webster has to say. It's from the online edition. The reference to connecting rod seems to apply to the question.

Main Entry: pit�man Pronunciation: \ˈpit-mən\ Function: noun Date: 1703 1 plural pit�men \-mən\ : a man who works in or near a pit: as a: British : miner b: a sawyer who stands below the timber
2 plural pitmans : connecting rod

Main Entry: connecting rod Function: noun Date: 1839 : a rod that transmits motion between a reciprocating part of a machine (as a piston) and a rotating part (as a crankshaft)

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Dave H (MI)

03-12-2007 15:35:56




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 Re: Pittman Bar in reply to Peabody, 03-12-2007 07:56:04  
OK, I saw this earlier and looked for my Word file on the subject without luck. I remember the word as "pitman" and believe it was derived from the old pit saws used to rip lumber out of logs. One fella stood in the pit (pit man) and he and the guy above ripped their way down the log. How exactly it relates to two shafts with an arm in between is not exactly clear in my foggy memory.
There is similarity in the motion I guess. Or I could be completely out in left field.

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Harold Hubbard

03-12-2007 17:20:38




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 Re: Pittman Bar in reply to Dave H (MI), 03-12-2007 15:35:56  
To further explain, when the first sawmills were built, they used a vertical blade just like the pit saw. It was driven from underneath by a crank and bar arrangement. The bar came to be called the "pitman bar", because it was doing the same thing the pitman used to.



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Dave H (MI)

03-13-2007 07:15:13




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 Re: Pittman Bar in reply to Harold Hubbard, 03-12-2007 17:20:38  
Yes!!! That is it, I remember now. It was the shaft that (sort of) replaced the "pit man" that took his name and it transferred from there to other shafts that did the same job in different applications.



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Peabody

03-13-2007 05:12:25




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 Re: Pittman Bar in reply to Harold Hubbard, 03-12-2007 17:20:38  
Thanks, guys. That makes sense. I was thinking more in line with someone named Pittman, but the man in the pit sounds logical.



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