Abstract: A lace winding device includes a base, a spool rotatably mounted in the base, a lace having two distal ends each extending through the base and each secured on the spool, a limit barrel mounted on the base, a drive member rotatably mounted in the limit barrel and connected with the spool to rotate the spool, and a ratchet block movably mounted on the limit barrel and engaging the drive member. Thus, the drive member is rotated in one direction only by limit of the ratchet block so that the spool is driven by the drive member to rotate in the positive direction only and cannot be rotated in the opposite direction so as to wind the lace easily and quickly.

Abstract: A photographic device using a focus method includes a zoom lens, an image analyzing module, a focus distance providing module and a processing module. The zoom lens is used for capturing image information of a plurality of positions. The image analyzing module is used for analyzing contrast values of the image information of the plurality of positions. The focus distance providing module is used for providing a non-equivalent and a constant focus distance interval for capturing the image information of the plurality of positions. The processing module is electrically connected with the zoom lens, the image analyzing module, and the focus distance providing module. Whereby, the photographic device acquires the image information of the plurality of positions by the non-equivalent focus distance interval, acquires a coarse focus position, and acquires an accurate focus position by the constant focus distance according to the coarse focus position.

Abstract: A press-action device includes a holding barrel, a push button, a rotation module, and an auxiliary spring. The holding barrel includes a window, and the rotation module includes at least one rotation barrel on which a plurality of patterns can be attached. When a user pushes the push button, the window will randomly display one of the patterns on the rotation barrel.

Abstract: A baby stroller foldable joint includes a joint mechanism having a top frame joint, a bottom frame joint and a rear wheel frame joint connecting to the top frame, the bottom frame and the rear wheel frame respectively. Each frame joint is provided with a breach at its rim, and the breaches are aligned with one another. The joint mechanism has a gear set in its interior. A control mechanism has a slider flexible to move back and forth, driving a flexible block through a linkage, for the purpose of clasping or separating the breaches of the frame joints, to accomplish expansion or folding of the frame. By aforesaid combination, expansion or folding of the frame can be simultaneous and accomplished at one go, and expansion can even be locked automatically, to make the manipulation handy and swift.

Abstract: A foldable device of golf bag cart comprises: an upper cart stand, a bottom cart stand and a linkage set. The upper cart stand, having an adapter that is provided with a slider on its top, is provided with a slider mount at each of the two distant ends above and below the slider. The bottom cart stand is in pinned connection with the adapter at its top. The linkage set, made up of a plurality of linkages, forms links between the slider and the bottom cart stand, between the adapter and the rear wheel frame and between the bottom cart stand and the front wheel frame. By means of the setup of such links, the simultaneous unfolding or folding of the upper cart stand, the bottom cart stand, the front wheel and the rear wheels can thus be accomplished, which facilitates the handiness in use.

Abstract: A mop disc and fabric frame fixation structure includes a fabric frame including cotton strips at the bottom of the fabric frame, a noncircular embedding concave surface at the top of the fabric frame, latch bumps formed in the corresponding embedding concave surface and protruded upwardly, and a concave latch surface concavely formed on at least one side of the latch bump. A disc is embedded into the embedding concave surface and has a latch groove in the corresponding embedding concave surface. Each latch groove is arranged apart from the other. A latch block is formed on an internal wall of the latch groove and protrudes from the corresponding concave latch surface. Thus, the disc is embedded into the embedding concave surface, and the concave latch surface and the latch block are latched with each other, to combine the fabric frame to the disc.

Abstract: A dual-band mobile communication device includes a circuit board, a ground plane, an antenna element, and a dual-band inductively-coupled element. The ground plane has an edge. The antenna element is located on the circuit board or adjacent to the circuit board. The antenna element has a first operating band and a second operating band. The dual-band inductively-coupled element is located at the edge of the ground plane. The dual-band inductively-coupled element excites two different resonant modes at two specific frequencies corresponding to the first and the second operating bands of the antenna element, respectively. The dual-band inductively-coupled element comprises a connection element, an inductive element, a first metal plate, and a second metal plate. The first metal plate is electrically connected to the ground plane through the connection element. The second metal plate is electrically connected to the inductive element.

Abstract: A pair of gardening shears include a main cutter, a secondary cutter pivotally connected with the main cutter, a force arm pivotally connected with the main cutter and engaged with the secondary cutter to drive the secondary cutter to pivot relative to the main cutter, and a connecting plate mounted on the secondary cutter and the force arm. Thus, the secondary cutter and the force arm are sandwiched between the main cutter and the connecting plate so that the secondary cutter and the force arm are moved smoothly and stably by limit of the main cutter and the connecting plate so as to facilitate the user performing the pruning action.

Abstract: A musical instrument stand includes an upright rod, a support assembly, and a transverse rod. The support assembly includes a base unit mounted on the upright rod, a holding unit mounted on the base unit, a locking unit connected with the base unit and pressing the holding unit, and a damping member located between the base unit and the holding unit. Thus, the damping member provides a damping effect to the holding unit so that the holding unit is rotated relative to the base unit stably. In addition, the holding unit can be rotated relative to the base unit to adjust the angle of the transverse rod relative to the upright rod and can be moved in the holding unit to adjust the horizontal position of the transverse rod.

Abstract: A power loom includes a frame, a plurality of warps, a weft spool, a plurality of wefts, and a speed adjustment device. The speed adjustment device includes a support rack, a rotation shaft, a drive motor, a sensor, a press member, and a press rod. Thus, when the output speed of the wefts is gradually reduced to a preset value, the wefts are tensioned and moved upward, and the press member is moved upward to touch the sensor which sends a signal to actuate the drive motor which increases the rotation speed of the rotation shaft and the weft spool to increase the output speed of the wefts largely so that the wefts can be pulled outward from the weft spool quickly to prevent the wefts from being torn or broken due to an excessive pulling force.

Abstract: A multiband monopole slot antenna includes a ground plane, a dielectric substrate, a radiating portion, and a microstrip feedline. The dielectric substrate is connected to an edge of the ground plane and extends toward the opposite direction of the ground plane. The radiating portion is on the metal surface of the dielectric substrate and includes a first monopole slot, a second monopole slot and a third monopole slot. The microstrip feedline is on the surface opposite to the metal surface of the dielectric substrate. A first end of the microstrip feedline is connected to a signal source, and a second end of the microstrip feedline is an open end. The microstrip feedline passes over the first, second, and third monopole slots. A section of the microstrip feedline which passes over the third monopole slot is parallel to the third monopole slot, and the microstrip feedline is generally of a step shape.

Abstract: A castor includes a connecting board, a base bracket connected with the connecting board, a locking disk connected with the connecting board, a wheel mounted on the base bracket, a mounting bracket secured on the base bracket, a braking member connected with the mounting bracket, and a drive unit connected with the braking member. The locking disk has a locking portion. The braking member has a first end provided with a locking section and a second end provided with a mounting portion which has a braking section. Thus, the braking member is pivoted by the drive unit so that the braking section of the braking member is moved to press and brake the wheel, and the locking section of the braking member is moved to engage the locking portion of the locking disk so as to lock the base bracket.

Abstract: A theftproof clutch handle for a motorcycle includes a clutch connector provided with a plug, a handle body provided with a slot detachably mounted on the plug, and a locking device mounted on the handle body and releasably locked onto the plug. The handle body has a receiving chamber to receive the locking device. The locking device includes a support seat, a locking shaft, an elastic member and a drive member. Thus, when the drive member is pulled outwardly, the locking shaft is moved outwardly to detach from the locking hole of the plug to unlock the handle body from the clutch connector so that the handle body can be removed from the clutch connector to provide a theftproof effect.

Abstract: A linear motion brake (10) includes a channel shaped shoe guide (90) straddling a linear race (20) and having shoe bores (95) defined in leg plates (92) for receiving brake shoes (12). A piston (100) is reciprocally received in a piston cavity (86) of a plate-shaped housing (80) secured to the shoe guide (90). The piston (100) includes first and second protrusions (76, 134) extending from the piston head (102) in the reciprocation direction. Springs (114) are sandwiched between the shoe guide (90) and the piston (100). Ribs (116) of the piston (100) are slideably received in cutouts (96) formed in the connecting plate (94) of the shoe guide (92). Reciprocation of the protrusions (76, 134) cams the brake shoes (12) against the linear race (20).

Abstract: A wireless transmission system includes a control unit, a first transmission unit, a second transmission unit, a plurality of switches, and a plurality of RF ends. The first transmission unit includes a first transceiver module and a first MAC module. The second transmission unit includes a second transceiver module and a second MAC module. The plurality of RF ends has a plurality of streams for transmitting a wireless signal. The control unit controls the plurality of switches to connect the first transmission unit and the second transmission unit respectively with the plurality of RF ends to distribute the plurality of streams, and controls the first transceiver module and the second transceiver module to manage the plurality of streams.

Abstract: A ratchet wrench includes a driving end including a ratchet member, two pawls releasably and selectively engaging with the ratchet member for setting the ratchet wrench in two operation modes, and a switching mechanism disposed between the pawls. The switching mechanism includes limits urging the respective pawls such that one limit engages with one pawl to urge it to disengage from the ratchet member while the other limit disengages from the other pawl to allow it to engage with the ratchet member in one operation mode, and the other limit engages with the other pawl to urge it to disengage from the ratchet member while the one limit disengages from the one pawl to allow it to engage with the ratchet member in another operation mode. Additionally, the pawls are prevented from being mis-shifted by the switching mechanism.