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Author Topic: Weird Cam Action Adjustable Spanner  (Read 1027 times)

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Offline rustyric

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Weird Cam Action Adjustable Spanner
« on: July 26, 2022, 03:57:12 AM »
Can anyone please ID this adjustable spanner please ? The only markings are 62 and D R Patent

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Offline Lewill2

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Re: Weird Cam Action Adjustable Spanner
« Reply #1 on: July 26, 2022, 07:36:22 AM »
Harry Scheffer Prussia, Germany, patented quick adjust wrench. Patent 741,841, patented October 20, 1903. Manufactured by Remsheid Haddenbach Germany. Mine is 10 inches long, they can be found in different sizes but I'm not sure how many different sizes were offered.
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Offline rustyric

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Re: Weird Cam Action Adjustable Spanner
« Reply #2 on: August 01, 2022, 02:35:11 AM »
Thanks for your reply
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Offline JoeCB

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Re: Weird Cam Action Adjustable Spanner
« Reply #3 on: August 11, 2022, 10:18:12 PM »
Simple design, interesting. The harder you "wrench" the tighter it grips. Have you tried it ?
Joe B
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