Abstract: A server rack includes support pillars, module kits and fixing components. Each support pillar includes plural first mounting holes. Each of the module kits includes at least one mounting portion which has at least one second mounting hole. The second mounting hole is corresponding to the first mounting hole, and the fixing component passes through the first mounting hole and the second mounting hole, so as to fix the corresponding module kit on the server rack by the mounting portion.

Abstract: A fan module and a fan rail thereof are provided. The fan module includes a fan, two fan rails and a holder. The fan rails are respectively disposed at opposite sides of the fan, and each of the fan rails includes a main body and a ring-pull, wherein the ring-pull has a tab portion and a pivot portion, and the pivot portion is pivoted with a first end of the main body. The fan is installed in the holder through the fan rails. The fan is adapted to be drawn out from the holder in an unlock state by rotating the tab portion of each of the fan rails along the pivot portion with respect to the main body and applying a pulling force to the tab portion.

Abstract: A socket for selectively mounting on a board includes a housing and a latch. The housing includes a first side plate and a second side plate parallel to the first side plate. The first and second side plates define an elongated slot therebetween for reception of the board. The latch includes an axle, a body and a fastening portion. The axle is pivotably coupled to the housing at one end of the slot. The body has one end joined to the axle and the other end to the fastening portion. The fastening portion is constructed for engagement with the board. In addition, the lateral width of the body of the latch in the direction along the width of the first side plate is smaller than that of the axle in the same direction.

Abstract: A fan module including two brackets, two holders and a fan is provided. Each bracket has a first assembling portion formed thereon. The holders are mounted to the brackets and located between the two brackets. Each of the holders has two second assembling portions, and one end of each of the second assembling portions being connected with the first assembling portions correspondingly. The fan is assembled between the holders.

Abstract: A method of manufacturing bulk nano-structured low carbon steel includes: preparing a blank of bulk low carbon steel; impacting the blank of bulk low carbon steel by using a compression device, so as to force the blank of bulk low carbon steel to perform a deformation at a high strain rate normally in a range of 102-103/s, so that the microstructure of the blank of bulk low carbon steel is nano-structured, that is, bulk nano-structured low carbon steel is thus manufactured. The bulk nano-structured low carbon steel is a plate having a thickness of not less than 5 mm or a bar having a diameter of not less than 5 mm.

Abstract: A fan module includes two brackets, a holder, and a fan. Each of the brackets has a first assembling portion. The holder has a U-shape body and an opening, and two of the second assembling portions are respectively disposed at two sides of the U-shape body. The fan is placed into the U-shape body through the opening. The holder is disposed between the brackets, and the first assembling portions of the brackets are assembled to the second assembling portions of the U-shape body. Screws are not required for assembling the fan module of the invention, and therefore material costs of the fan module can be reduced.

Abstract: A casing includes a metallic sheet and a screw. The metallic sheet is formed with an extruded tapped hole surrounded by an arcuate portion in the metallic sheet and a sleeve integrally with and depending from the arcuate portion. The sleeve has internal threads. On the other hand, the screw is configured to seal the extruded tapped hole of the metallic sheet. The screw has a threaded section configured to be mated with the internal threads of the sleeve of the metallic sheet, and a flat head capable of abutting against the arcuate portion and sitting flush with the metallic sheet when the screw is placed in the extruded tapped hole of the metallic sheet.

Abstract: A server rack configured for a plurality of servers is disclosed, in which each of the servers has a power supply circuit board. The server rack includes: a case having a first face and a second face opposed to each other, the first face having an opening for the servers to be arranged in the case in an orientation; a power supply module provided on the second face of the case; and a power transmission assembly composed of a busbar provided on the second face in the orientation and electrically connected to the power supply module; and a plurality of electrical connectors provided on the busbar and coupled respectively with the power supply circuit boards of the servers. Through the power transmission assembly, the servers may be powered in a centralized way by the power supply module.

Abstract: A socket for selectively mounting on a board includes a housing and a latch. The housing includes a first side plate and a second side plate parallel to the first side plate. The first and second side plates define an elongated slot therebetween for reception of the board. The latch includes an axle, a body and a fastening portion. The axle is pivotably coupled to the housing at one end of the slot. The body has one end joined to the axle and the other end to the fastening portion. The fastening portion is constructed for engagement with the board. In addition, the lateral width of the body of the latch in the direction along the width of the first side plate is smaller than that of the axle in the same direction.

Abstract: A socket for selectively mounting on a board includes a housing and a latch. The housing includes a first side plate and a second side plate parallel to the first side plate. The first and second side plates define an elongated slot therebetween for reception of the board. The latch includes an axle, a body and a fastening portion. The axle is pivotably coupled to the housing at one end of the slot. The body has one end joined to the axle and the other end to the fastening portion. The fastening portion is constructed for engagement with the board. In addition, the lateral width of the body of the latch in the direction along the width of the first side plate is smaller than that of the axle in the same direction.

Abstract: A casing includes a metallic sheet and a screw. The metallic sheet is formed with an extruded tapped hole surrounded by an arcuate portion in the metallic sheet and a sleeve integrally with and depending from the arcuate portion. The sleeve has internal threads. On the other hand, the screw is configured to seal the extruded tapped hole of the metallic sheet. The screw has a threaded section configured to be mated with the internal threads of the sleeve of the metallic sheet, and a flat head capable of abutting against the arcuate portion and sitting flush with the metallic sheet when the screw is placed in the extruded tapped hole of the metallic sheet.

Abstract: A casing includes a metallic sheet and a screw. The metallic sheet is formed with an extruded tapped hole surrounded by an arcuate portion in the metallic sheet and a sleeve integrally with and depending from the arcuate portion. The sleeve has internal threads. On the other hand, the screw is configured to seal the extruded tapped hole of the metallic sheet. The screw has a threaded section configured to be mated with the internal threads of the sleeve of the metallic sheet, and a flat head capable of abutting against the arcuate portion and sitting flush with the metallic sheet when the screw is placed in the extruded tapped hole of the metallic sheet.

Abstract: A computer case including a main case and a fixing unit is provided. The main case has a first wedging portion and a limiting portion. The fixing unit has a compressing portion, at least one lug and a second wedging portion. The compressing portion compresses a fixing side of a card to fix the card. The second wedging portion is at a first side of the compressing portion. The lug stretches from the compressing portion and is at a second side of the compressing portion. After the lug is connected the limiting portion, the first wedging portion wedges the second wedging portion to fix the fixing side of the card on the main case.

Abstract: A fan module including two brackets, two holders and a fan is provided. Each bracket has a first assembling portion formed thereon. The holders are mounted to the brackets and located between the two brackets. Each of the holders has two second assembling portions, and one end of each of the second assembling portions being connected with the first assembling portions correspondingly. The fan is assembled between the holders.

Abstract: A socket for selectively mounting on a board includes a housing and a latch. The housing includes a first side plate and a second side plate parallel to the first side plate. The first and second side plates define an elongated slot therebetween for reception of the board. The latch includes an axle, a body and a fastening portion. The axle is pivotably coupled to the housing at one end of the slot. The body has one end joined to the axle and the other end to the fastening portion. The fastening portion is constructed for engagement with the board. In addition, the lateral width of the body of the latch in the direction along the width of the first side plate is smaller than that of the axle in the same direction.

Abstract: A fan module includes two brackets, a holder, and a fan. Each of the brackets has a first assembling portion. The holder has a U-shape body and an opening, and two of the second assembling portions are respectively disposed at two sides of the U-shape body. The fan is placed into the U-shape body through the opening. The holder is disposed between the brackets, and the first assembling portions of the brackets are assembled to the second assembling portions of the U-shape body. Screws are not required for assembling the fan module of the invention, and therefore material costs of the fan module can be reduced.

Abstract: A fan holder and a fan holder module are provided. The fan holder module includes a first fan holder and a second fan holder, wherein the first fan holder has a first body, a first connecting portion and a second connecting portion. The first connecting portion and the second connecting portion are disposed at opposite sides of the first body and are parallel to each other. The second fan holder has a second body, a third connecting portion and a fourth connecting portion. The third connecting portion and the fourth connecting portion are disposed at opposite sides of the second body and are parallel to each other. The first connecting portion is fixed with the third connecting portion, and the second connecting portion is fixed with the fourth connecting portion.

Abstract: A removable apparatus for mounted in an opening of a casing includes an upright substrate, two horizontal plates and two vertical plates. The substrate is dimensioned in correlation with dimension of the opening of the casing. The horizontal and vertical plates are formed around the substrate. Each vertical plate includes a body and an elastic sheet. The body has a hole, a front edge and a rear edge at opposite sides of the hole. The elastic sheet has a gentle uphill section extending from the front edge of the body and a sharp downhill section extending from the gentle uphill section. The sharp downhill section is close to the rear edge of the body and hung over the hole of the body and the gentle uphill section has a length larger than that of the sharp downhill section.

Abstract: A housing structure includes a housing, a holding member, a first stop portion and a second stop portion. The housing has an accommodating space. The holding member, movably disposed in the accommodating space between a first position and a second position, includes an operating portion and a limiting portion connected with the operating portion. The first stop portion is disposed in the accommodating space, and the second stop portion is disposed in the accommodating space and below the first stop portion. When the holding member is in the first position, the operating portion abuts the first stop portion, and when the holding member is in the second position, the limiting portion abuts the second stop portion.

Abstract: A fan module and a fan rail thereof are provided. The fan module includes a fan, two fan rails and a holder. The fan rails are respectively disposed at opposite sides of the fan, and each of the fan rails includes a main body and a ring-pull, wherein the ring-pull has a tab portion and a pivot portion, and the pivot portion is pivoted with a first end of the main body. The fan is installed in the holder through the fan rails. The fan is adapted to be drawn out from the holder in an unlock state by rotating the tab portion of each of the fan rails along the pivot portion with respect to the main body and applying a pulling force to the tab portion.