| 摘要 |
1,163,359. Chucks. ERICKSON TOOL CO. 11 Aug., 1967 [22 March, 1967], No. 37095/67. Addition to 1,127,474. Heading B3B. In a chuck as disclosed in Specification 1,127,474, i.e. having a collet 25 axially movable to grip the shank 5 of a tool, having a radially disposed locking pin 15 which is capable of limited radial play in the collet to allow insertion of the tool shank, and having retainer means for the locking pin in the form of a transverse pin 16, the collet is axially slotted from opposite ends, the radial opening for receiving the locking pin 15 passes through one of the slots 27 while the transverse bore for the retainer pin 16 opens into an adjacent slot 29 at an enlarged opening 30. |
