Abstract: A server rack comprises two side plates, a shell and a locking member. The two side plates respectively define a through hole; the shell secures the side plate, which includes a maintaining member located between the two side plates; the locking member secured to the maintaining member including a locking tongue. The locking tongue includes a body and two positioning pieces extended from two opposite direction of the body. The two positioning pieces are configured for engaging in the through hole of the two side plates, and are rotatable between a first position, where the two positioning pieces is disengaged from the through holes of the side plates, and a second position, where the two positioning pieces is engaged in the through holes.

Abstract: A computer system includes a chassis, a motherboard secured to the chassis, and a heat sink. A chip is mounted on the motherboard. A securing component secured to the motherboard adjacent the chip. The securing component defines an opening. Two positioning posts are located on the motherboard and adjoin two opposite edges of the opening. Each positioning post defines a fastener hole. A heat sink includes a main body and a fin portion located on the fin portion. The main body defines two through holes. The main body defines two recesses to expose the through holes. The heat sink is secured to the securing component, by two fasteners engaged in the through holes and the fastener holes.

Abstract: A printer includes a main body and a paper holding device. The main body is capable of printing and outputting paper. The paper holding device is secured to the main body, and includes a paper tray, a plurality of sliding members, a connecting mechanism, and a driving mechanism. The paper tray is configured for receiving the outputted paper. The sliding members are slidably located on the paper tray. The connecting mechanism is attached to the paper tray and connected to the sliding members. The driving mechanism is attached to the paper tray and capable of driving the connecting mechanism to slide the plurality of sliding members to shape a space to fit the size of outputted paper.

Abstract: A rack frame assembly includes a first frame pole, a second frame pole, a linking member, linking post, and a support pole. A first frame pole includes a first support wall and a first through hole. The second frame pole includes a second support wall. The second frame pole is assembled with the first frame pole with the first support wall and the second support wall is located on the same plane. The linking member is located on the first support wall and the second support wall. The linking member includes a second through hole in alignment with the first through hole, and an insert portion. The linking post is located in the first through hole and the second through hole to secure the linking member to the first frame pole. The support pole includes an insert hole with the insert portion located therein.

Abstract: A computer enclosure includes a frame and a side panel. An opening is defined at one side of the frame. The frame includes a retaining member. A securing slot is defined in the frame. The securing slot and the retaining member are located at opposite sides of the opening. The side panel covers the opening. The side panel includes a locking member and a retaining post. The retaining post extends into the securing slot. The locking member includes a block portion. The block portion is configured to elastically deform and ride over the retaining member to secure the side panel.

Abstract: A computer rack includes an upper frame, a lower frame, four parallel support legs, two horizontal struts, two mounting members, and two vertical struts. The support legs connect between the upper frame and the lower frame. The four support legs are parallel each other. Each horizontal strut is attached to two of the four support legs. The two horizontal struts is substantially perpendicular to the four support legs. Each horizontal strut is attached to two of the four support legs and is substantially perpendicular to the four support legs. Wherein, the mounting members are configured to be mounted in different positions to establish different distances between the two vertical struts in a direction substantially perpendicular to the vertical strut.

Abstract: A rack frame includes a first frame pole, a second frame pole, a support pole and a bar fixed on the support pole. The support pole includes a first portion, a second portion intersecting with the first portion at a corner, and a plurality of securing holes defined on the first and second portions. Each of the securing holes includes an insert slot adjacent to the corner and a protrusion hole communicating with the insert slot. The bar includes a first side plate corresponding to the first portion, a second side plate corresponding to the second portion, and a plurality of hooks fixed on the first and second side walls corresponding to the plurality of securing holes. The plurality of hooks pass through the corresponding protrusion holes to insert in the insert slot.

Abstract: A rack frame includes a bottom frame defining a first opening on an outer side, a strengthening board fixed on the bottom frame, and a strengthening leg fixed on the strengthening board. The strengthening board includes a baseboard and an upright board extending from a edge of the baseboard. The upright board defines a third opening. The upright board is fixed on the outer side of the bottom frame. The strengthening leg includes a diagonal supporting portion fixed on the baseboard, and a received portion horizontally extending from a top edge of the diagonal supporting portion. The received portion is received in the third and first openings. The diagonal supporting portion defines a fourth opening for fixing the strengthening leg on the strengthening board manually.

Abstract: A server rack includes an upper frame, a lower frame, and a support leg. The support leg connects the upper frame to the lower frame. An area is defined in the support leg. Each support leg includes a first outer wall, a second outer wall substantially perpendicular to the first outer wall, a first connecting wall extending perpendicularly from the first outer wall, a second connecting wall extending perpendicularly from the second outer wall. The first connecting wall is connected to the second connecting wall. A first recessed reinforcing portion is located in the first outer wall, and a second recessed reinforcing portion is located in the second outer wall.

Abstract: A rack includes a first frame pole, a second frame pole, a linking member, a linking post, and a support pole. The first frame pole includes a first support wall and a first cutout. The second frame pole includes a second support wall and a second bottom surface. The second bottom surface includes a first through hole. The first support wall and the second support wall are located on the same plane. The first through hole is aligned with the first cutout. The linking member is located on the first support wall and the second support wall. The linking member includes a second through hole in alignment with the first cutout and the first through hole. The linking member includes a contact portion. The linking post is received in the first through hole and the second through hole to mount the linking member on the first frame pole. The support pole includes a contact hole, which receives the contact portion therein.

Abstract: A rack frame includes a support pole, and an auxiliary apparatus. The first support pole includes a first sidewall and a perpendicular second sidewall. The first sidewall defines a first engaging slot including a first insert slot and a first recess slot. The second sidewall includes a second engaging slot. The auxiliary apparatus includes a first side piece, including a first clasp, and a second side piece, including a second clasp. The auxiliary apparatus moves on the support pole, a first position, a second position, and a third position. In the first position, the first clasp is located in the first insert slot. In the second position, the first clasp is located in the first recess slot aligning the second clasp with the second engaging slot. In the third position, the first clasp is located the first insert slot having the second clasp inserted in the second engaging slot.

Abstract: A server rack assembly includes a frame, a support, and a securing component. The frame includes a first pole and a second pole. The support includes a first part and a second part. A first stopper portion is located on the first part, and a second stopper portion is located on the second part. The securing component includes a bottom portion mounted to the first and the second poles, a first securing portion and a second securing portion. A first positioning portion is disposed on the first securing portion, and a second positioning portion is disposed on the second securing portion. The first securing portion is attached to the first part, so the first positioning portion is engaged with the first stopper portion. The second securing portion is attached to the second part, so the second positioning portion is engaged with the second stopper portion.

Abstract: A rack includes a lower frame and a stand member. A wheel is mounted on the lower frame. The stand member includes a base and a connecting plate. The connecting plate is secured to the lower frame. The base is higher than a bottom of the wheel to stabilize the rack during transport.

Abstract: A paper-out mechanism includes a paper out wall and a paper out board. The paper out wall defines a paper out opening. The paper out opening includes a first edge and a second edge facing to the first edge. The paper out board is slidably mounted on the paper out wall below the paper out opening. The paper out board includes an adapter portion which includes a first side and a second side. A distance between the first side and second side is greater than a distance between the first edge and the second edge. The paper out board is slidable between a first position and a second position. In the first position, the first side is in alignment with the first edge. In the second position, the second side is in alignment with the second edge.

Abstract: A rack includes a upper frame, a frame post, and a confluence member. The upper frame includes a first pillar and a second pillar connected to the first pillar. A first guiding groove is defined in the first pillar. A second guiding groove is defined in the second pillar. The first guiding groove and the second guiding groove extend substantially along the horizontal plane. The frame post is coupled with a connection portion of the first pillar and the second pillar. A third guiding groove is defined in the frame post. The third guiding groove extends uprightly. The confluence member is mounted between the frame post and the connection portion of the first pillar and the second pillar. A plurality of confluence grooves is defined in the confluence member. The plurality of confluence grooves links the first guiding groove and the second guiding groove to the third guiding groove.

Abstract: A computer rack includes an upper frame, a lower frame, two pairs of support legs, a pair of horizontal struts, a pair of mounting members, and a pair of vertical struts. The two pairs of support legs connect between the upper frame and the lower frame. The pair of horizontal struts is attached to the two pairs of the support legs at opposite sides. The pair of mounting members can be attached to each of the pair of horizontal struts at various horizontal locations. The pair of vertical struts is attached to the pair of mounting members. A distance between the pair of vertical struts varies when the locations of the pair of mounting members vary, thereby computer modules with different sizes capable of being mounted between the pair of vertical struts.

Abstract: A printer includes a main body and a paper holding device. The main body is capable of printing and outputting paper. The paper holding device is secured to the main body and includes a paper tray, a connecting mechanism, and a sliding mechanism. The paper tray is configured for receiving the outputted paper. A driving gear member is located on the paper tray. The connecting mechanism is located on the paper tray and connected to the driving gear member. The sliding mechanism is located on the paper tray and connected to the connecting mechanism. The driving gear member controls the sliding mechanism by the connecting mechanism to shape a space to fit the size of the outputted paper.

Abstract: A computer enclosure, includes a case and a power supply chassis secured in the case. The case includes a bottom wall and a rear wall. The bottom wall defines a securing slot. A first positioning member extends from the bottom wall. A securing tab extends from a bottom of the power supply chassis. The securing tab is configured to engage in the securing slot and prevent the power supply chassis moving in a first direction perpendicular to the case rear wall. The power supply chassis defines a first positioning hole configured for the first positioning member engaging therein to prevent the power supply chassis moving in a second direction perpendicular to the case bottom wall.

Abstract: A printed material holding device includes a printed material tray for receiving printed material, an adjustable mechanism located above the printed material tray, a binding mechanism, and a transmission mechanism attached to the binding mechanism. The transmission mechanism includes a driving device, a first gear wheel driven by the driving device, a second gear wheel driven by the first gear wheel, and a belt. The driving device meshes with the first gear wheel, and the belt encircles the first gear wheel and the second gear wheel.