US 12,392,067 B2
Flat head pin
Nikhil Gupta, Schaumburg, IL (US)
Filed by Nikhil Gupta, Schaumburg, IL (US)
Filed on May 6, 2022, as Appl. No. 17/738,796.
Claims priority of provisional application 63/226,215, filed on Jul. 28, 2021.
Prior Publication US 2023/0029886 A1, Feb. 2, 2023
Int. Cl. D05B 91/06 (2006.01)
CPC D05B 91/06 (2013.01) 18 Claims
OG exemplary drawing
 
1. A flat-head pin comprising:
(a) a pin shaft with a pin point; and
(b) a flat pin head affixed to an end of the pin shaft distal to the pin point;
wherein the flat pin head is characterized by a tapered cuboid shape with a plurality of transverse gripping ribs spaced a distance, s, from each other and a plurality of semicylindrical segments having a common diameter interposed between the transverse gripping ribs, wherein the semicylindrical segments are coaxial with a longitudinal axis of the pin shaft;
wherein the flat pin head tapers from an inner characteristic width, iw, adjacent the pin shaft to a longer outer characteristic width, ow, such that the taper occurs over a length L of the flat pin head; and
wherein the distance, s, is from 0.7 mm to 1.25 mm.