DRAWING PIN Russian patent published in 2021 - IPC B43M15/00 

FIELD: stationery.

SUBSTANCE: invention relates to office supplies and can be used to create products for attaching thin sheet elements to supporting surfaces. The button head is made in the form of a rectangular trapezoid, while one cutting line for the tip is made from the acute angle of the trapezoid to the central part of the trapezoid, and the second cutting line is made up to half of the triangle forming the tip, bounded on one side by the specified cutting line, on the other - by the inclined side trapezoid, and the bend line of the point passes between the end points of the first and second cuts located in the central part of the trapezoid. The tip is formed by bending the part of the cap, limited by the inclined side of the trapezoid, with the first and second cutting lines perpendicular to its inner surface. The cross-section of the point is made profiled in the form of a V-shaped profile by deforming it along the center line passing from the beginning of the point to the specified end point of the second cut. The side of the tip formed by the second cut line interacts with the back surface of the head.

EFFECT: reducing the metal consumption of the button with the same overall dimensions, increasing the mechanical strength and stability of the tip itself, which will eliminate its deformation when installing the button in hardwood, increasing the strength of the junction of the tip and the head.

1 cl, 2 dwg