A pivot structure includes a base, a bracket, an elastic component, and a positioning assembly. The bracket is rotatably connected to the base. The elastic component is disposed on the base. The positioning assembly includes an elastic clip and a pillar. The elastic clip is pivoted to the base and has a first releasing segment and a first positioning segment. The pillar is connected to the bracket and has a second positioning segment. The pillar is rotatably clipped in the elastic clip. The bracket is adapted to be expanded to a first expanding state through an elastic force of the elastic component, so as to drive the second positioning segment to move along the first releasing segment. The bracket is adapted to receive an external force to be further expanded to a second expanding state, so as to drive the second positioning segment to move to the first positioning segment.

An aircraft propulsion assembly has a hinge for articulating a first and a second of its panels. The hinge includes a yoke rigidly connected to the first panel and a counter-yoke rigidly connected to the second panel, which is received between two lugs of the yoke.The yoke and the counter-yoke are passed through by a hinge pin that is movable between an extended position between the lugs of the yoke and a retracted position outside the yoke. The hinge further includes bayonet mounting means interposed between the pin and the yoke.

An aircraft propulsion assembly has a hinge for articulating a first and a second of its panels. The hinge includes a yoke rigidly connected to the first panel and a counter-yoke rigidly connected to the second panel, which is received between two lugs of the yoke.The yoke and the counter-yoke are passed through by a hinge pin that is movable between an extended position between the lugs of the yoke and a retracted position outside the yoke. The hinge further includes bayonet mounting means interposed between the pin and the yoke.

A ball and socket joint, including a pin located on either the socket or the ball and a groove located on the other of the socket or ball, the pin configured to engage the groove and translate along the length of the groove when the ball is located in the socket. An attachment surface for attaching a device to the ball and socket joint is also provided, and the pin and groove are arranged to prevent rotation of the ball about an axis that is parallel to the plane of the groove and extends through the attachment surface when the ball is located in the socket. A ball and socket joint includes a locking nut, the locking nut including a partly circular internal cross section and a second flat surface.

Provided is a clamping apparatus, for an antenna, having a simpler structure and reduced in size by having mechanisms for rotating the antenna in the vertical direction and horizontal direction integrating into one.

To this end, the clamping apparatus for an antenna according to the present invention comprises: a tilting bracket connected to the antenna to support the antenna; a base bracket provided on a support pole and protruding toward the antenna; an integrating housing having the tilting bracket coupled thereto so as to rotate in the vertical direction and coupled to the base bracket so as to rotate in the horizontal direction; a tilt driving unit for rotating the tilting bracket in the vertical direction; and a rotation driving unit for rotating the integrating housing in the horizontal direction, wherein the tilt driving unit and rotation driving unit are disposed inside the integrating housing.

The invention relates to an arm rest, in particular for a vehicle seat, comprising a support arm (12), which can be pivoted about a pivot axis (al) between at least one use position and at least one non-use position, and which by means of a locking device (19) that can be moved between a locking position and a release position can be locked in at least one position. First retaining means (21) are assigned to the support arm (12), which can releasably be brought into engagement with second retaining means (22) that are connected to the vehicle structure, in order to lock the movement of the support arm (12) in at least one direction (u2) and in at least one locking position. The invention is characterized in that the locking device (19) comprises at least one lever (13) that interacts with the support arm (12), which relative to the support arm (12) is movably mounted, wherein the lever (13) is provided with the first retaining means.

A support arm system (10) has at least one lockable articulated connection (16). A locking device (20) is associated with the articulated connection (16). The locking device (20) includes a passive drive (32) as well as an actuating device (36) associated with the locking device (20) with an active drive (38). The active drive (38) acts in the same plane as the passive drive (32).

A support arm system (10) has at least one lockable articulated connection (16). A locking device (20) is associated with the articulated connection (16). The locking device (20) includes a passive drive (32) as well as an actuating device (36) associated with the locking device (20) with an active drive (38). The active drive (38) acts in the same plane as the passive drive (32).

A wearable device includes a frame, two feet, and two pivoting modules. Each of the pivoting modules includes a first bracket fixedly connected to the frame, and a second bracket fixedly connected to one of the feet and pivotally coupled to the first bracket. The second bracket includes a positioning member and an inserting member. The positioning member is located in the first bracket, and the positioning member includes a plurality of slots. The inserting member is switchably inserted into one of the slots for adjusting a maximum outreaching volume from the frame to the feet.

A wearable device includes a frame, two feet, and two pivoting modules. Each of the pivoting modules includes a first bracket fixedly connected to the frame, and a second bracket fixedly connected to one of the feet and pivotally coupled to the first bracket. The second bracket includes a positioning member and an inserting member. The positioning member is located in the first bracket, and the positioning member includes a plurality of slots. The inserting member is switchably inserted into one of the slots for adjusting a maximum outreaching volume from the frame to the feet.