doublegunshop.com - home Forums General Discussion DoubleGun BBS @ doublegunshop.com Unknown tool

Attached are some pics of a nicely finished brass tool. It has a "10" stamped on one end. Can anyone tell me what it actually does and how it works. Patent date may help.

You think it might recondition paper case mouths? I can see how the lever would create spring pressure on the semi-circular part that would press firmly against the case mouth on the outside, then turn the case round a few time to recondition it?

It is a good tool to have to be able to search patents,

patent link

Perhaps a crimper for brass shells?

Just in case I wasn’t clear, the link is to the patent application for this particular tool.

That removes all mystery. Looks like something Ross Seyfried would get a lot of use out of.

Tim

May not have worked out too well for the general public, or perhaps we'd see more of them around?

PhysDoc you have found the patent. Thank you. Reading the patent text and viewing the illustration notes the patent is almost exactly like the tool pictured. There is a slight variation on the upper arm of the tool pictured that contains a .742" round end portion. I assume this is an afterthought to the patent illustrated to help insert a wad while loading a shell. I am not quite sure if the tool is meant to crease brass cases or paper cases. I have not tried it on either type. I thank you all . Daryl

Glad to do it, there are often changes between the prototype for the patent and the manufactured product. With the google patent search you can find all patents issued that day. The date you showed was essential to the search.

Daryl,

I have "British Handloading Cartridge Tools" by D.J. Baker. Self-published in 2003. I picked it up on a trip to the UK years ago.
I looked thru it for something similar. The closest was this tool.

"A cartridge closer with a jointed hand lever" by G. & J.W. Hawksley, Carver Street, Sheffield, registered design 5586 of 1874
The description is: A pair of tongs have been adapted to create an annular groove in a cartridge case in such a position that the over-shot card is held in place.
The drawing does not have a spring. Your tool may have been an improvement.
So it is a crimper, most likely for thin brass hulls, or maybe paper.

Trulock and Harris had a totally different crimper, but the instructions seem to apply to your tool.
"when pressing the lever against the cartridge, this is turned round until a dent is made above the wad"

Good Rabbit hole to run down.

All Best,
Joe in Charlotte