Patent model for printers' quoins

This patent model demonstrates an invention for printers' quoins including locking bars which secured the type within the chase, and the chase on the bed of the press, without the use of wooden furniture to pack spaces. One end of the bar was oblique and included a toothed pinion. A short toothed piece with a matching taper fit across the end of the bar to lock against the chase or bed wall, and was tightened by turning the toothed pinion. The invention was granted patent number 212683.