METHOD OF WRAPPING OF LONG-LENGTH SCREWS FOR CROSS OR STRAIGHT SPLINES IN THEIR HEADS AND DEVICE FOR ITS IMPLEMENTATION Russian patent published in 2020 - IPC B23B35/00 B23B41/00 B25B21/00 B25B31/00 F16B25/10 

FIELD: construction.

SUBSTANCE: invention relates to wrapping long-length screws in wooden articles. Hole is formed for a long screw by means of a device for formation of a hole in the form of a screwdriver and a long-length screw is wrapped into the hole for the head itself. Device for hole formation includes an analog screw having smaller length and identical thread pitch and diameter with long-length screw to be screwed into the product, holder bit with bit fixed in the screwdriver cartridge and hollow sleeve interacting with the bit holder. Hollow sleeve has a bottom with a hole into which the specified analogue screw is introduced until its head stops into the hole walls. Analog-type screw is made with the possibility of hard bit locking by its head between the bit holder and the sleeve bottom.

EFFECT: labor intensity of wrapping long-length screws is reduced.

5 cl, 2 dwg