US 12,408,289 B2
Operation and maintenance device and cabinet having the same
Wen-Hu Lu, Tianjin (CN); Li-Yi Yin, Tianjin (CN); and Shu-Tong Wang, Tianjin (CN)
Assigned to Fulian Precision Electronics (Tianjin) Co., LTD., Tianjin (CN)
Filed by Fulian Precision Electronics (Tianjin) Co., LTD., Tianjin (CN)
Filed on Jun. 25, 2023, as Appl. No. 18/213,856.
Claims priority of application No. 202310196537.9 (CN), filed on Mar. 2, 2023.
Prior Publication US 2024/0295139 A1, Sep. 5, 2024
Int. Cl. G06F 1/18 (2006.01); H05K 5/02 (2006.01); H05K 7/14 (2006.01)
CPC H05K 7/1489 (2013.01) [G06F 1/187 (2013.01); H05K 5/0221 (2013.01); H05K 5/0217 (2013.01); H05K 7/14 (2013.01); H05K 7/1487 (2013.01); H05K 7/1488 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An operation and maintenance device applied in a chassis, a storage tray is connected to the chassis through a slidable locking mechanism, the operation and maintenance device comprising:
a floating tray;
an unlocking assembly movably disposed on the floating tray, the unlocking assembly comprising a first mounting frame;
a hook assembly connected to the unlocking assembly, the hook assembly comprising a second mounting frame and a hook connected to the second mounting frame, wherein the second mounting frame is rotatably connected to the first mounting frame, and is configured to drive the hook to rotate, thereby causing the hook to be engaged with the slidable locking mechanism, the unlocking assembly is configured to drive the hook to move, thereby causing the slidable locking mechanism to disengage a connection between the chassis and the storage tray; and
a base, wherein the base comprises a first bottom plate, two first side plates, a second side plate, and a plurality of positioning pins, wherein
the two first side plates are disposed on opposite sides of the first bottom plate, the second side plate are connected between the two first side plates; and
the first bottom plate, the two first side plates, and the second side plate together form a first accommodating space, the floating tray is movably disposed in the first accommodating space, and the plurality of the positioning pins is disposed at ends of the two first side plates away from the second side plate.