Coupling device for replacing tools on the fork of a lifting machine and store making application of this device

DEVICE CONTAINS UPPER REMAINS ON THE YOKE OF A HOIST OR PULLEY CABLE OF LIFTING GEAR. EACH TOOL OR TOOLS TO ASSEMBLE YOKE DOOR LOWER PART COUPLING LOCKING IN THE UPPER PART, SO CHANGE OF LOWER REPRESENTS A TOOL CHANGE. THE UPPER PART, SHAPE CYLINDRICAL HOLLOW, HAS A BOTTOM BRACKET WITH DRILLING OF CENTRAL 35 OR LEAVE TWO SLOTS RADIAL 37, 39, EACH OF WHICH IS COORDINATED A LOCKING MECHANISM AND A WELL 59 LOCK 47, 49 FOR RECEIPT HOLDERS pINS HORIZONTAL BOTTOM OF THE DEVICE.