Truss
Adjustable truss hoop, Hancock, MA
Description
Iron adjustable truss hoop for setting hoops on coopered containers. An iron strap has end riveted to forged fixtures with right angle bends at their ends. A threaded bolt at the end of a forged crank is inserted through one vertical and screws into a tapped hole in the second. Thus the hoop is tightened or loosened by turning the crank.