US 11,921,019 B2
Grinding samples using rotational and linear motion
Horacio Kido, Lake Forest, CA (US)
Assigned to ROTAPREP, INC., Tustin, CA (US)
Filed by Rotaprep, Inc., Tustin, CA (US)
Filed on Oct. 18, 2022, as Appl. No. 17/968,106.
Application 16/710,979 is a division of application No. 15/702,609, filed on Sep. 12, 2017, granted, now 10,539,486, issued on Jan. 21, 2020.
Application 17/968,106 is a continuation of application No. 16/710,979, filed on Dec. 11, 2019, granted, now 11,474,006.
Application 15/702,609 is a continuation of application No. 14/257,632, filed on Apr. 21, 2014, granted, now 9,759,638, issued on Sep. 12, 2017.
Claims priority of provisional application 61/816,094, filed on Apr. 25, 2013.
Prior Publication US 2023/0116439 A1, Apr. 13, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G01N 1/28 (2006.01); B01F 31/20 (2022.01); B01F 31/22 (2022.01); B01F 33/25 (2022.01); B01F 33/501 (2022.01); B02C 17/00 (2006.01); B02C 17/14 (2006.01); B02C 17/24 (2006.01)
CPC G01N 1/286 (2013.01) [B01F 31/201 (2022.01); B01F 31/22 (2022.01); B01F 33/251 (2022.01); B01F 33/50115 (2022.01); B02C 17/00 (2013.01); B02C 17/14 (2013.01); B02C 17/24 (2013.01); G01N 2001/2866 (2013.01); Y10T 29/49826 (2015.01)] 9 Claims
OG exemplary drawing
 
1. An apparatus for the purpose of grinding or homogenizing samples, the apparatus comprising:
means for holding a sample vial, the sample vial having a sample vial length; and
means for generating reciprocating elliptical motion with a major axis that is larger than the sample vial length,
wherein the means for generating elliptical motion includes a connecting linkage coupled to a crank and a sliding carriage.