B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
B25B23/02—Arrangements for handling screws or nuts
B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
B25B23/105—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit
B25B23/106—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit the driving bit being a blade
Mediator pour instruments a cordes realise en deux parties separables permettant de changer uniquement la partie usee par les cordes de l'instrument