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1. A tool-less mounting device for hard disk drive (HDD), suitable to be installed in a HDD mounting bracket of a server, the HDD mounting bracket comprising a circuit board equipped with a connector, the tool-less mounting device for HDD comprising:
a tray, comprising one base and two sidewalls, with the two sidewalls standing on opposite sides of the base, forming an installation space; one or more flexible members, each flexible member with one side as a fixed portion and the other side bended by an angle and extended as an arm, the fixed portion being fastened to the sidewall along the direction it extends, the arm being installed with a dowel pin and a round portion on the end, with the dowel pin installed facing inside of the tray; a backplane, installed on the base between the two sidewalls, with one or more first connectors and a second connector; and one or more HDDs, installed in the installation space and coupled to the first connector of the backplane; wherein when the tool-less mounting device for HDD is inserted in the HDD mounting bracket along a first direction, the arm of the flexible member gradually changes from opening outwardly to closing inwardly due to elastic deformation as it touches the sidewall of the HDD mounting bracket and is gradually pressured; the arm of the flexible member closes when it is inserted into the sidewall of the HDD mounting bracket, with the dowel pin of the flexible member dowels one aligning hole of the HDD, and fastens the HDD on the tray, so that the second connector of the backplane is inserted in and coupled to the connector of the circuit board of the HDD mounting bracket; when the tool-less mounting device for HDD is extracted from the HDD mounting bracket along a second direction, the round portion of the flexible member assists the tool-less mounting device for HDD to slide out of the sidewalls of the HDD mounting bracket; the arm of the flexible member changes from closing inwardly to opening outwardly due to elastic deformation as it is detached from the HDD mounting bracket, and opens outwardly when it is removed from the sidewalls of the HDD mounting bracket; the second connector of the backplane is extracted and decoupled from the connector on the circuit board of the HDD mounting bracket; the dowel pin is detached from the aligning hole of the HDD and unfastens the HDD. |
