US 12,392,644 B2
Hinged closure for gas pycnometer
John McCaffrey, Duluth, GA (US); Jeff Kenvin, Roswell, GA (US); Kyle Mascaritolo, Peachtree Corners, GA (US); Brian Arnhart, Acworth, GA (US); Jordan Hinson, Lawrenceville, GA (US); Philip Remedios, Palm Harbor, FL (US); Jesse Knight, Clearwater, FL (US); and Bartosz Korec, Palm Harbor, FL (US)
Assigned to Micromeritics Instruments Corporation, Norcross, GA (US)
Filed by Micromeritics Instrument Corporation, Norcross, GA (US)
Filed on Jan. 31, 2023, as Appl. No. 18/103,565.
Claims priority of provisional application 63/305,295, filed on Feb. 1, 2022.
Prior Publication US 2023/0243675 A1, Aug. 3, 2023
Int. Cl. G01D 11/24 (2006.01); G01N 9/02 (2006.01)
CPC G01D 11/245 (2013.01) [G01N 9/02 (2013.01); G01N 2009/028 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A pycnometric device, comprising:
a housing having an access opening;
a swing arm mounted to the housing by a hinge, wherein the swing arm is configured to be selectively pivoted toward and away from the access opening; and
a closure captured by the swing arm, wherein the closure is configured to be selectively moved relative to the swing arm between a retracted position and an inserted position at least partially in the access opening, wherein the swing arm comprises a support cylinder engaging the closure,
wherein the closure comprises locking features for cooperating with engagement features that are configured to extend at least partially within the housing when the closure is moved into a closed and sealed configuration, wherein the closure comprises a closure shaft at least partially received in the support cylinder, and wherein a bearing is mounted between the support cylinder and the closure shaft for facilitating linear and rotational movement of the closure shaft relative to the support cylinder.