Fig. 1784.
Fig. 1785.
In another form this brace is supplied with a ratchet between the chuck and the cranked handle, as shown in [Fig. 1783], the construction of the ratchet being shown in [Fig. 1784]. The ring is provided on its inner edge with three notches, so that by pulling it back and setting it in the required notch the ratchet will operate the chuck in either direction or lock it for use as an ordinary brace. The ratchet enables the tool to be used in a corner in which there would be no room to turn the crank a full revolution. This end may, however, be better accomplished by means of the Backus’ patent angular wrench shown in [Fig. 1785], which consists of a frame carrying a ball-and-socket joint between it and the chuck, as shown.
Fig. 1786.