Tool Talk

What's-It Forum => What's-It Forum => Topic started by: rustyric on July 26, 2022, 03:57:12 AM

Title: Weird Cam Action Adjustable Spanner
Post by: rustyric 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
(https://i.imgur.com/jtGvjyb.jpg)
(https://i.imgur.com/NerTmxE.jpg)

Title: Re: Weird Cam Action Adjustable Spanner
Post by: Lewill2 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.

Title: Re: Weird Cam Action Adjustable Spanner
Post by: rustyric on August 01, 2022, 02:35:11 AM

Thanks for your reply

Title: Re: Weird Cam Action Adjustable Spanner
Post by: JoeCB 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