(under the class definition) Device including a tool or a tool-support and means fixed thereto, including means for supplying torque to the tool, and including means located between the tool and the means for supplying torque thereto for locking the tool to the torque-supplying means when torque is supplied in one direction, which locking means is inoperative for transmitting torque when attempt is made to transmit torque in the opposite direction.
SEE OR SEARCH CLASS
81, Tools,
60+, for ratchet structure of general utility, especially ratchet structure adapted to rotate a wrench or screwdriver.
