A gear manufacturing method, the gear including an annular gear portion including teeth on an outer periphery, an annular support portion provided on an inner peripheral surface of the gear portion and supporting the gear portion, and a core portion provided inside the support portion, the method includes: a support portion molding step of molding the support portion by disposing the gear portion and the core portion in an annular mold and filling a resin between the gear portion and the core portion; and a support portion cooling step of cooling the support portion molded in the support portion molding step, a radial gap between the teeth of the gear portion and the mold before the support portion molding step is set to be smaller than a radial shrinkage amount of the support portion in the support portion cooling step.

A gear manufacturing method, the gear including an annular gear portion including teeth on an outer periphery, an annular support portion provided on an inner peripheral surface of the gear portion and supporting the gear portion, and a core portion provided inside the support portion, the method includes: a support portion molding step of molding the support portion by disposing the gear portion and the core portion in an annular mold and filling a resin between the gear portion and the core portion; and a support portion cooling step of cooling the support portion molded in the support portion molding step, a radial gap between the teeth of the gear portion and the mold before the support portion molding step is set to be smaller than a radial shrinkage amount of the support portion in the support portion cooling step.

A power child lock device includes a rotation driving mechanism, a switch link connected to the rotation driving mechanism so as to be moved vertically by a rotational force of the rotation driving means, an inside handle lever cooperatively connected to an inside handle installed in a door of a vehicle, a release lever connected to a door catch and configured to lock or release the door catch, and a power child lever configured to selectively connect or separate the inside handle lever and the release lever by being moved by the switch link.

A power child lock device includes a rotation driving mechanism, a switch link connected to the rotation driving mechanism so as to be moved vertically by a rotational force of the rotation driving means, an inside handle lever cooperatively connected to an inside handle installed in a door of a vehicle, a release lever connected to a door catch and configured to lock or release the door catch, and a power child lever configured to selectively connect or separate the inside handle lever and the release lever by being moved by the switch link.

The present disclosure relates to a globoid worm gear (4) for engagement with a worm (3) in a worm gear assembly (1). The globoid worm gear (4) includes first and second side surfaces (17, 18), a circumferential surface (10), and an axis of rotation. The globoid worm gear (4) also includes a plurality of gear teeth (9) spaced about the circumferential surface (10) with spaces (11) arranged between adjacent gear teeth (9), the plurality of gear teeth (9) being configured to engage the worm (3). The plurality of gear teeth (9) are configured such that the spaces (11) between adjacent gear teeth (9) open into the first side surface (17).

The present disclosure relates to a globoid worm gear (4) for engagement with a worm (3) in a worm gear assembly (1). The globoid worm gear (4) includes first and second side surfaces (17, 18), a circumferential surface (10), and an axis of rotation. The globoid worm gear (4) also includes a plurality of gear teeth (9) spaced about the circumferential surface (10) with spaces (11) arranged between adjacent gear teeth (9), the plurality of gear teeth (9) being configured to engage the worm (3). The plurality of gear teeth (9) are configured such that the spaces (11) between adjacent gear teeth (9) open into the first side surface (17).

Articulable joints having diamond bearing surfaces engaged with metal bearing surfaces are provided herein. The articulable joints provide multiple degrees of freedom to components, such as drivelines, and bear loads in multiple directions. The articulable joints include diamond bearing surfaces slidingly engaged with opposing metal bearing surfaces that include more than trace amounts of diamond solvent-catalyst.

The present disclosure provides an improved cogwheel permitting enhanced meshing of cogwheels when operating perpendicularly. Exemplary embodiments introduce a multi-cogwheel design with specific dimensions and tooth profiles to permit perpendicular engagement of cogwheels whilst permitting translation of such cogwheels.

The present disclosure provides an improved cogwheel permitting enhanced meshing of cogwheels when operating perpendicularly. Exemplary embodiments introduce a multi-cogwheel design with specific dimensions and tooth profiles to permit perpendicular engagement of cogwheels whilst permitting translation of such cogwheels.

A display device is disclosed. The display device includes a base display panel, a back cover supporting a rear portion of the base display panel, sliding frames sliding with respect to the back cover, a driving unit configured to drive the sliding frames to slide, and a rollable display panel being extendable in response to the sliding of the sliding frames. The rollable display panel can be extended as needed by a user when widescreen images are displayed.