US 11,413,612 B1
Manually adjustable laboratory devices
Jae Go Kwon, Winnetka, CA (US)
Filed by Jae Go Kwon, Winnetka, CA (US)
Filed on Jun. 28, 2019, as Appl. No. 16/456,141.
Int. Cl. B01L 3/00 (2006.01); B01L 3/18 (2006.01); F16H 55/26 (2006.01); F16H 55/20 (2006.01); C12M 1/26 (2006.01)
CPC B01L 3/18 (2013.01) [C12M 33/00 (2013.01); F16H 55/20 (2013.01); F16H 55/26 (2013.01)] 18 Claims
OG exemplary drawing
1. A laboratory device, comprising:
an elongated handle having a canal;
a rod movably disposed in the canal, wherein the rod is configured to move relative to the elongated handle, and wherein the rod includes a rack including a plurality of rack teeth; and
a blade head attached to the elongated handle at a location and engaged to the rod such that movement of the rod relative to the elongated handle causes the blade head to rotate about the location.