Havn't made any attempt to find info, busy day.
(http://imageshack.us/a/img547/6979/010ubp.jpg)
(http://imageshack.us/a/img594/6047/011egv.jpg)
(http://imageshack.us/a/img856/2869/012nt.jpg)
(http://imageshack.us/a/img22/2418/013py.jpg)
The pin has to be removed to adjust the clamp.
Combination Pliers and Spreader. Patent was issued to George Walker Gilmer, Jr. of Philadelphia, PA. It's on DATAMP at:
http://www.datamp.org/patents/displayPatent.php?pn=1017093&id=15219 (http://www.datamp.org/patents/displayPatent.php?pn=1017093&id=15219)
(http://www.datamp.org/images/15219-1.jpg)
Thanks Bus, is there a reason why the patent doesn't look exactly like the one I pictured?
NB: The patent mentions the usefullness of the tool for spreading a cut in a tire for cleaning (and presumably glueing)
http://www.datamp.org/patents/search/advance.php?id=45584&set=7