A hinge of a computing device includes a primary support connecting a display to a stand. As the display rotates about the stand, the primary support slides along a friction strip, which stabilizes the display with respect to the stand. A stabilizer may connect the stand to the base or the stand to the display.

Described are a rotary shaft kit and an electronic device. The rotatory shaft kit includes: a rotatory shaft assembly, including a protective shell and a first bracket; two rotating assemblies and two housing assemblies. One of the two rotating assemblies is arranged on a side of the rotatory shaft assembly, and the other is arranged on another side; each rotating assembly includes a rotating plate, a first rotating member, and a second rotating member; the first rotating member is connected to the rotating plate at an end of the rotating plate, and the second rotating member is connected to the rotating plate at another end of the rotating plate. One of the two housing assemblies is arranged on the side of the rotatory shaft assembly, and the other is arranged on the another side; each housing assembly includes a second bracket and a fixing plate connected to the second bracket.

The hinge assembly includes: a rotating assembly and a hovering mechanism. The rotating assembly includes a first rotating part, and the first rotating part comprises a first guide groove extending obliquely around an axial direction of the first rotating part. The hovering mechanism comprises a sliding member and a position limiting member. The sliding member includes a protruding part, the protruding part extends into the first guide groove. The first rotating part drives the sliding member to move along the axial direction of the first rotating part when rotating. One of the position limiting member and the sliding member comprises a first limiting part, the other of the position limiting member and the sliding member comprises a second limiting part cooperated with the first limiting part.

A hinge assembly includes: a fixed supporting piece; a rotating assembly, movably connected with the fixed supporting piece and including a first limiting portion; and a locking mechanism, disposed on the fixed supporting piece and including a limiting piece which includes a second limiting portion matched with the first limiting portion. The fixed supporting piece slides relative to the rotating assembly in a direction perpendicular to an axial direction of the rotating assembly in a rotation process of the rotating assembly, so that the first limiting portion is connected with the second limiting portion or the first limiting portion is separated from the second limiting portion; when the first limiting portion is connected with the second limiting portion, the two limiting portions are matched with each other to limit rotation of the rotating assembly; when separated, limiting of the rotating assembly is released.

A portable information device includes: a first chassis, a second chassis adjacent to the first chassis, and a hinge device that relatively rotatably connects the first chassis and the second chassis. The hinge device includes: a first torque generating part that generates a rotation torque in relative rotation of a first base plate and a first link plate by sliding resistance between the first base plate and the first link plate, and a second torque generating part that generates a rotation torque in relative rotation of a second base plate and a second link plate by sliding resistance between the second base plate and the second link plate.

A secondary display may be integrated into a form factor of an information handling system having a primary display in a manner that synchronizes movement of the secondary display with the primary display. The secondary display may move from a closed position to an open position along with moving of a primary display from a closed to an open position. A rack and pinion mechanism may synchronize the secondary display with the primary display through a first and second primary pinion coupling a primary shaft of the primary display to a rack. A secondary pinion may couple a secondary shaft of the secondary display to the rack. Movement of the secondary display may be synchronized with movement of the primary display through the rack and pinions.

A hinge includes a base frame unit and two rotatable axle units. The base frame unit includes abase seat having two guideways and two shaft sliding slots. Each guideway includes an upright segment and an arcuate segment extending arcuately and laterally from an upper end of the upright segment. Each axle unit includes a hinge shaft rotatably extending through the shaft sliding slot, a rotary member fitted to the hinge shaft and having a guide key slidably engaged in the guideway, and a support bracket fitted to the hinge shaft to be connected to a casing part of an electronic device.

A lock mechanism within a slot of a computer chassis is disclosed. The lock mechanism includes a gear wheel, a gear rack body, a push rod latch, a push rod body, and a chassis latch. The gear wheel, the gear rack body, the push rod latch, the push rod body, and the chassis latch cooperate to restrict a flap in the slot from opening when the flap is in the closed position, and the chassis latch is engaged with a cutout on the push rod body.

The description relates to devices that include hinged portions and controlling rotation of the portions. One example can include a display that is configured to rotate relative to an axis. The example can also include a clutch assembly interposed between first and second planet gear assemblies positioned along the axis. The first and second planet gears configured to multiply resistance to rotation around the axis that is supplied by the clutch assembly.

An electronic device has a hinge structure including a first fixed structure on which a first arc-shaped guide rail is formed, a second fixed structure on which a second arc-shaped guide rail is formed, a first rotating structure including a first coupling portion rotatably coupled to the first guide rail, a second rotating structure including a second coupling portion rotatably coupled to the second guide rail, and a torque structure which provides torque to the first rotating structure and the second rotating structure. The torque structure includes a cam structure formed on the first rotating structure and the second rotating structure, a cam member including a moving cam engaged with the cam structure, and an elastic member which is compressed or tensioned in response to linear movement of the cam member.