Quick-release connector for screw driver heads etc has cylinder with recess holding insert having stop on which bevel at lower end of screwdriver head adjoins to prevent locking element projecting into free space around bevel

摘要

The connector has a casing (10), cylinder (30), C-shaped ring (41), larger spring element (42) and smaller spring element (44). The cylinder (30) has a recess (31) to hold an insert (50) which has a stop (52) on which the bevel (13) at the lower end of the screw driver head (10) can adjoin to prevent the locking element (35) projecting into the free space around the bevel so that the screw driver head can be inserted friction-free into the connector.