| 摘要 |
924,885. Sockets. BEAVER TOOL & ENGINEERING CORPORATION. Aug. 2, 1961 [Aug. 4, 1960], No. 27987/61. Class 83 (3). A tool comprises a cylindrical shank portion 14, a recess 22 to be engaged by a locking member 30 and locating surface means 26 leading to the recess. The tool may have the shank portion detachable from it. A retaining plate 38 ensures that the screwed locking plunger 30 always engages the keyway 26. |
