The company is probably Kearney & Foot, apparently mostly known as file 
makers.
http://americanmadefiles.blogspot.com/2014/02/kearney-foot-files.html

Here's examples of some for sale:
https://www.ebay.com/itm/394169949107
https://www.ebay.com/itm/175483641282 
<https://www.ebay.com/itm/175483641282>

17" is awfully long to be a burnisher for card scrapers.

--Chris

Check out H-frame, the site for vintage Black & Decker Workmates
https://h-frame.weebly.com/