Abstract: A suspension arm comprising a rising/descending device further consists of an inner sleeve; a retractable shaft and an elastic body inside, an outer sleeve connect to the inner sleeve, a clip ring on the top open of the outer sleeve.

Abstract: A pivotal shaft assembly for a plane display includes a bottom plate, a fixing member, a rotational member and a spherical nest device. The fixing member is mounted at the front side of the bottom plate and composed of a support base and a joint seat with the joint seat at a center thereof having a through shaft groove. The rotational member is a U shaped frame, extending downward along two lateral sides thereof a wing plate respectively with the wing plate beside an inner side thereof being a packing ring and a space in between fitting with the joining seat and an axial bolt passing over a securing hole of the two wing plates and the shaft groove with an end of the axial bolt being engaged to one of the wing plates and another end of the axial bolt being engaged to a threaded fastener to commonly enclose and press against two lateral sides of the joining seat.

Abstract: A suspension arm comprising a rising/descending device further consists of an inner sleeve; a retractable shaft and an elastic body inside, an outer sleeve connect to the inner sleeve, a clip ring on the top open of the outer sleeve.

Abstract: The present invention discloses a pivotal shaft assembly for plane displays, including a bottom plate, a fixing-member mounted at the front side of the bottom plate and having a positioning ball integrally coupled to the front side of a support base of the spherical nest device, a rotational member having two extension rods extended from the rear side of a connecting plate, each extension rod at one end having a connecting end and a corresponding axial hole thereon along its axial direction, and two inner sides of the connecting ends clamping the positioning ball by pressing on a curve groove corresponding to the curvature of the positioning ball with the inner sides, and two adjusting members of the extension rod passing through the axial hole to support a pressing ring, such that the positioning ball being clamped securely along the same axis and capable of moving along its surface to provide a multi-directional adjustment.

Abstract: The present invention discloses a pivotal shaft assembly for plane displays, including a bottom plate, a fixing member mounted at the front side of the bottom plate and having a positioning ball integrally coupled to the front side of a support base of the spherical nest device, a rotational member having two extension rods extended from the rear side of a connecting plate, each extension rod at one end having a connecting end and a corresponding axial hole thereon along its axial direction, and two inner sides of the connecting ends clamping the positioning ball by pressing on a curve groove corresponding to the curvature of the positioning ball with the inner sides, and two adjusting members of the extension rod passing through the axial hole to support a pressing ring, such that the positioning ball being clamped securely along the same axis and capable of moving along its surface to provide a multi-directional adjustment.

Abstract: A base with clamp includes a clamping barrel, a fixing bolt, a sleeve seat and clamping plate. The clamping barrel has an open bottom and a top plate with a top hole and the top hole is surrounded by a clamping recess and has at least two recess holes. The fixing bolt has a clamping rod and a fastening plate, which juts out a fastening post. The clamping rod has a diameter less than the inner diameter of the top hole with rod threads. The fastening plate has a size corresponding to the clamping recess and has screw holes corresponding to the recess hole for the screws capable of passing through the screw holes and engaging with the recess hole. The sleeve seat has a base disk and extends upward an annular step and a cylindrical ring from the base disk for fitting with the clamping barrel so as to span the annular step and the cylindrical ring at the top thereof has a central hole for being passed through by the clamping rod. The clamping plate is flat and has a threaded hole for engaging with the rod threads.

Abstract: A pivotal shaft assembly for a plane display includes a bottom plate, a fixing member, a rotational member and a spherical nest device. The fixing member is mounted at the front side of the bottom plate and composed of a support base and a joint seat with the joint seat at a center thereof having a through shaft groove. The rotational member is a U shaped frame, extending downward along two lateral sides thereof a wing plate respectively with the wing plate beside an inner side thereof being a packing ring and a space in between fitting with the joining seat and an axial bolt passing over a securing hole of the two wing plates and the shaft groove with an end of the axial bolt being engaged to one of the wing plates and another end of the axial bolt being engaged to a threaded fastener to commonly enclose and press against two lateral sides of the joining seat.

Abstract: A base with clamp includes a clamping barrel, a fixing bolt, a sleeve seat and clamping plate. The clamping barrel has an open bottom and a top plate with a top hole and the top hole is surrounded by a clamping recess and has at least two recess holes. The fixing bolt has a clamping rod and a fastening plate, which juts out a fastening post. The clamping rod has a diameter less than the inner diameter of the top hole with rod threads. The fastening plate has a size corresponding to the clamping recess and has screw holes corresponding to the recess hole for the screws capable of passing through the screw holes and engaging with the recess hole. The sleeve seat has a base disk and extends upward an annular step and a cylindrical ring from the base disk for fitting with the clamping barrel so as to span the annular step and the cylindrical ring at the top thereof has a central hole for being passed through by the clamping rod. The clamping plate is flat and has a threaded hole for engaging with the rod threads.

Abstract: A mobile computer rack is constructed to include a mounting plate and a carrier plate relatively slidably coupled to each other, a spring connected between the carrier plate and the mounting plate and adapted to pull the carrier plate and the mounting plate toward each other, a front sliding track and a rear sliding track respectively located on the carrier plate and the mounting plate and adapted to hold down a mobile computer on the mobile compute rack when the carrier plate pulled out of the mounting plate, and a plurality of sliding retainers respectively mounted in the front and rear sliding tracks and adapted to secure the loaded mobile computer in position.

Abstract: A tabletop suspension system is constructed to include a plurality of upright support members for fastening to the top of a table, a connecting rod member horizontally supported on the upright supports, the connecting rod having two coupling units symmetrically formed in top and front sidewalls thereof, and a set of device holders for fastening to the connecting rod member to hold different implements, each device holder having a coupling unit for selectively fastened to one coupling unit of the connecting rod member.

Abstract: A tabletop suspension system is constructed to include a plurality of upright support members for fastening to the top of a table, a connecting rod member horizontally supported on the upright supports, the connecting rod having two coupling units symmetrically formed in top and front sidewalls thereof, and a set of device holders for fastening to the connecting rod member to hold different implements, each device holder having a coupling unit for selectively fastened to one coupling unit of the connecting rod member.

Abstract: A mobile computer rack is constructed to include a mounting plate and a carrier plate relatively slidably coupled to each other, a spring connected between the carrier plate and the mounting plate and adapted to pull the carrier plate and the mounting plate toward each other, a front sliding track and a rear sliding track respectively located on the carrier plate and the mounting plate and adapted to hold down a mobile computer on the mobile compute rack when the carrier plate pulled out of the mounting plate, and a plurality of sliding retainers respectively mounted in the front and rear sliding tracks and adapted to secure the loaded mobile computer in position.

Abstract: A suspension arm is constructed to include a mounting base for fastening to the top of a table by a mounting assembly, an axle block, a link pivotally coupled between the mounting base and the axle block, a gyro block pivoted to the a axle block to hold a swivel holder for holding a article, an elongated hollow support, the support arm having two bottom clamping plates arranged pivotally coupled to the mounting base and two top eyelets pivotally coupled to the gyro block, a first torsion mechanism adapted to lock the support arm and the mounting base, a second torsion mechanism adapted to lock the support arm and the gyro block, and a traction mechanism connected between the gyro block and the support arm and adapted to share the burden of the weight of the article to be carried on the suspension arm.

Abstract: A fully pulled-out type mobile apparatus comprises an extractable device, two relay levers and two guide rails. The extractable device provides two opposite lateral sides with a respective proper slot at a bottom thereof being between at least two opposite guideposts extending downward from the bottom. Each of the relay levers provides an elongated groove for being passed through by the guideposts with a connecting piece engaging with at least one of the guideposts such that the guideposts can be received and displace in the elongated groove. Each of the guide rails provides an outer rail part, an inner rail part and a ball structure between the outer and the inner rail parts. The ball structure has a length at least equaling to a length between two guideposts at both ends of the extractable device and the inner rails of the guide rails connecting with the relay levers respectively so as to move with each other.

Abstract: A fully pulled-out type mobile apparatus comprises an extractable deice, two relay levers and two guide rails. The extractable deice provides two opposite lateral sides with a respective proper spot at a bottom thereof being between at least two opposite guideposts extending downward from the bottom. Each of the relay levers provides an elongated groove for being passed through by the guideposts with a connecting piece engaging with at least one of the guideposts such that the guideposts can be received and displace in the elongated groove. Each of the guide rails provides an outer rail part, an inner rail part and a ball structure between the outer and the inner rail parts. The ball structure has a length at least equaling to a length between two guideposts at both ends of the extractable device and the inner rails of the guide rails connecting with the relay levers respectively so as to move with each other.

Abstract: An axial urging mechanism includes a support device, a connecting seat, a pivotal shaft, and a pressing device. The support device provides two opposite lateral walls with connecting ends. The connecting seat has two opposite wing ends disposed between and adjacent to the connecting ends. The pivotal shaft passes through the connecting ends and the wing ends and provides a limit device at the inner wall surface of the respective wing end to press against the inner wall surface. The pivotal shaft has a thread screw section with a positive sense and a reversed sense at two ends thereof respectively. The pressing device includes two follower levers, each follower lever having a lever base with a thread screw hole engaging with the respective thread screw section and the inner wall surface of the respective follower lever is attached to the respective connecting end of the support device.

Abstract: A coupling plate frame is integrally made of hardened high molecular material and comprises a top plate section a vertical plate section, a bottom plate section, and two flap plates. The top plate section has an engaging hole thereon. The vertical plate section is integrally associated with the top plate with a width gradually reduced from a top to a bottom thereof, and has an engaging hole near the bottom thereof. The bottom plate section is attached integrally to the vertical plate section with extending outward and opposite to the top plate section from the vertical section plate. Each of the flap plates is integrally attached to the top plate section, the vertical plate section, and the bottom plate section, respectively. Each flap plate is slant at the top plate section and extends downward along the vertical plate, and the width between the flap plates is gradually smaller from a top thereof to a bottom thereof. Two of the coupling plates can be lapped to each other without occupying extra space.

Abstract: An axial urging mechanism comprises a support device, a connecting seat, a pivotal shaft, and a pressing device. The support device provides two opposite lateral walls with a connecting end respectively. The connecting seat has two opposite wing ends corresponding to the connecting ends and is disposed between the connecting ends in a way of the connecting ends adjoining the wing ends respectively. The pivotal shaft passes through the connecting ends and the wing ends and provides a limit device at the inner wall surface of the respective wing end to press against the inner wall surface. The pivotal shaft has a thread screw section with a positive sense and a reversed sense at two end parts thereof respectively. The pressing device provides two follower levers and each follower lever has a lever base with a thread screw hole engaging with the respective thread screw section and the inner wall surface of the respective follower lever is attached to the respective connecting end of the support device.