US 9,808,939 B2
Asymmetrical cutting tool having dual eccentric thumb studs
Santiago Gutiérrez, San Juan, PR (US); and John David Broadwell, Wichita Falls, TX (US)
Filed by Santiago Gutiérrez, San Juan, PR (US); and John David Broadwell, Wichita Falls, TX (US)
Filed on May 25, 2012, as Appl. No. 13/480,553.
Prior Publication US 2013/0312270 A1, Nov. 28, 2013
Int. Cl. B26B 1/02 (2006.01); B26B 1/04 (2006.01)
CPC B26B 1/04 (2013.01) [B26B 1/044 (2013.01)] 3 Claims
OG exemplary drawing
 
1. An asymmetrical cutting tool, comprising:
a handle comprising a first handle panel and a second handle panel, wherein the first handle panel comprises a frame lock;
a folding blade, pivotally attached to the handle, and comprising a partially concave edge and a punch tip; and
an adjustable dual eccentric thumb stud comprising a fixed rotational axis, a first thumb stud and a second thumb stud, the first thumb stud comprising a first distal surface and a first proximal threaded end and the second thumb stud comprising a second distal surface and a second proximal threaded end,
wherein the first proximal threaded end can engage with the second proximal threaded end as part of a single fastening mechanism,
wherein the first proximal threaded end and the second proximal threaded end are reduced in diameter with respect to the first distal surface and the second distal surface and placed at an off-center position with respect to the first distal surface and the second distal surface,
wherein the first thumb stud and the second thumb stud are mechanically coupled to rotate about a fixed axis that is central to the first and second proximal threaded ends, and the first and second distal surfaces rotate about the fixed axis but at a position offset from the center of the fixed axis,
wherein the adjustable dual eccentric thumb stud is located within the folding blade and is configured to retain the folding blade in a predetermined position,
wherein the handle is configured to receive the folding blade.