US 12,392,180 B2
Reciprocating engaging mechanism and related airtight device for preventing gaseous matter from leakage
Pai-Chieh Huang, New Taipei (TW)
Assigned to Wiwynn Corporation, New Taipei (TW)
Filed by Wiwynn Corporation, New Taipei (TW)
Filed on Jan. 11, 2024, as Appl. No. 18/410,986.
Application 18/410,986 is a continuation of application No. 17/109,071, filed on Dec. 1, 2020, granted, now 11,905,747.
Claims priority of application No. 109129348 (TW), filed on Aug. 27, 2020.
Prior Publication US 2024/0151081 A1, May 9, 2024
Int. Cl. E05D 3/02 (2006.01); B65D 43/16 (2006.01); F16H 21/16 (2006.01)
CPC E05D 3/02 (2013.01) [B65D 43/167 (2013.01); F16H 21/16 (2013.01); E05Y 2800/12 (2013.01); E05Y 2999/00 (2024.05)] 4 Claims
OG exemplary drawing
 
1. An airtight device of preventing gaseous matter from leakage, comprising:
a cover;
a housing, the cover being movably assembled with the housing, a groove being formed on a side of the housing facing the cover;
a liftable hinge mechanism connected to the housing and the cover, the liftable hinge mechanism comprising:
a base disposed on the housing and having a narrow slot;
a connecting component connected to the cover and having an axle hole; and
a pin slidably passing through the narrow slot and rotatably inserting into the axle hole, multi-dimensionally liftable motion of the connecting component relative to the base being generated via a movement of the pin inside the narrow slot and the axle hole, so as to seal the housing by the cover for preventing the gaseous matter inside the housing from leakage; and
a resilient gasket disposed inside the groove on the housing, wherein the cover is in a level state when contacting the resilient gasket due to liftable motion of the liftable hinge mechanism;
wherein the liftable hinge mechanism further comprises a constraining component disposed between the base and the connecting component, two opposite surfaces of the constraining component respectively abut against the base and the connecting component in a slidable manner.