US 12,479,709 B2
Pop-up apparatus
Ik Hyun Bai, Daejeon (KR); Kyung Bo Lee, Daejeon (KR); and Jae Hun Yoo, Daejeon (KR)
Assigned to AGENCY FOR DEFENSE DEVELOPMENT, Daejeon (KR)
Filed by AGENCY FOR DEFENSE DEVELOPMENT, Daejeon (KR)
Filed on Aug. 5, 2024, as Appl. No. 18/794,342.
Claims priority of application No. 10-2023-0100938 (KR), filed on Aug. 2, 2023.
Prior Publication US 2025/0042708 A1, Feb. 6, 2025
Int. Cl. B66F 19/00 (2006.01); C06D 5/00 (2006.01); F03G 7/00 (2006.01); F42B 8/12 (2006.01)
CPC B66F 19/00 (2013.01) [C06D 5/00 (2013.01); F03G 7/008 (2021.08); F42B 8/12 (2013.01); B66F 2700/09 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A pop-up apparatus comprising:
a base having a hollow portion formed therein;
a pop-up portion comprising a lower end and an upper open end such that the base is inserted through the lower end, enclosed by the lower end, and reciprocates with respect to the pop-up portion;
a connector plate disposed to cover the upper open end of the pop-up portion;
a holder disposed on a first surface of the connector plate and configured to hold an object; and
a gas generator arranged in the hollow portion of the base and configured to generate gas,
wherein internal pressure of the base increases due to the gas generated from the gas generator thereby lifting the pop-up portion,
wherein a second surface of the connector plate opposite to the first surface contacts with an entire edge of the upper open end of the pop-up portion to seal the pop-up portion,
wherein the base comprises a lower portion and an upper portion, where the upper portion is disposed closer to the connector plate than the lower portion,
wherein the base comprises a plurality of exhaust holes disposed on the side wall of the base, and
wherein a number of the plurality of exhaust holes disposed on the upper portion of the base is greater than a number of the plurality of exhaust holes disposed on the lower portion of the base.