Abstract: Adjustable handle assemblies as well as rolling assemblies incorporating the same are provided. The handle assemblies include a push button, a spring-loaded gear, a handle, and a base member, allowing for dynamic adjustment between released and locked positions. Actuation of the push button enables free rotation of the handle or secure locking at a predetermined angle, providing users with ergonomic comfort and stability during transportation. The rolling assembly further includes a robust frame structure, multiple wheel assemblies, and optional telescoping members, accommodating various transportation needs. Embodiments of the invention offer a comprehensive solution for urban commuters, travelers, and household users, combining ergonomic design, intuitive controls, and compact portability for seamless transportation of objects in diverse environments.

Abstract: Apparatuses for physically securing a portable electronic device to a tabletop of a display table or to another display surface are disclosed. In an embodiment an apparatus includes a main body, a plurality of arms that are extendable and retractable relative to the main body, and a plurality of braces attached to the plurality of arms, each brace configured to be secured to the portable electronic device. The apparatus includes one or more ratcheting buttons, located in corresponding holes in the main body or in arms, each ratcheting button configured to be upwardly movable within the corresponding hole with a ratchet mechanism to prevent downward movement of the ratcheting button within the corresponding hole. One or more fasteners is/are attachable to a tabletop to secure the apparatus and the portable electronic device to the tabletop.

Abstract: A hinge structure for an electronic device including a first part and a second part is provided. The hinge structure includes a first fixing base, a second fixing base, a rotating element, and a control element. The first fixing base connects to the first part. The second fixing base connects to the second part and includes a first locking structure. The rotating element includes a second locking structure. An end of the rotating element rotatably and movably connects to the first fixing base along an axial direction. The other end of the rotating element engages with the first locking structure through the second locking structure. The control element extends to the rotating element for driving the rotating element to move along the axial direction.

Abstract: The present invention relates to a bed frame of a canopy style construction typically found in a home setting integrating assistive components therein, exemplary assistive components optionally including one or more of a trapeze device, a balance pole and an assist rail, and also wherein there is an option that the assistive components to be selectably concealed. The frame has four corner posts, two longitudinal rails and two lateral rails. A cross-brace and two longitudinal braces are provided for supporting a trapeze assembly. An integrated night stand having an integrated assist rail that moves from a storage position to a deployed position is provided. An integrated balance pole with a top piece and bottom piece, and a base, is provided. Structures can be provided for concealing the assistive components when they are not in use.

Abstract: A system may include a resettable cupholder apparatus. The resettable cupholder apparatus may include a cupholder member and a cantilever spring. The cupholder member may have a cup hole and may include a cupholder member pivot portion having a stowed detent, a deployed detent, and a bearing face positioned between the stowed detent and the deployed detent. The cantilever spring may have a spring bearing face, and the cantilever spring may apply a force to the cupholder member pivot portion. The resettable cupholder apparatus may be in a stowed position when the spring bearing face is located in the stowed detent. The resettable cupholder apparatus may be in a deployed position when the spring bearing face is located in the deployed detent.

Abstract: Technologies for a hinge for a dual-screen clamshell computing device include a hinge having a drive shaft and a driven shaft. The drive shaft is fixed to a member such as a secondary display housing of the computing device. The driven shaft is rotatably coupled to another member such as a base housing of the computing device. The hinge includes a one-way needle bearing fixed to the same member as the driven shaft. The driven shaft passes through the one-way needle bearing, which allows free rotation of the driven shaft in one direction and prevents rotation of the driven shaft in the other direction. The hinge includes a coupling joint that selectively couples the drive shaft and the driven shaft. The computing device includes a trigger that is operable to selectively engage and disengage the coupling joint of the hinge. Other embodiments are described and claimed.

Abstract: A docking cradle for a handheld computing device, such as a handheld controller, remote control, tablet computer, smartphone or other electronic device. The docking cradle is configured to be mountable to a horizontal mounting surface (e.g., a table or other horizontal surface), or a vertical mounting surface (e.g., a seatback or wall), while in either mounting orientation, the docking cradle holds the computing device in substantially the same orientation for convenient use and access by a user.

Abstract: A lock mechanism for controlling a rotating component including an outer shaft attachable to a stationary component and having a slotted ring defining capture slots and an interior annular space, a control ring having a first end disposed in the annular space, an inner shaft attachable to a rotating component configured to rotate relative to the stationary component, and the inner shaft engaged with a second end of the control ring, a first collar rotatably disposed around the slotted ring, the first collar having a plurality of release recesses, and a plurality of first bearings respectively retained within the capture slots beneath the first collar. In a first rotational position of the first collar, the plurality of release recesses align with the capture slots to rotationally disengage the rotating and stationary components. In a second rotational position of the first collar, the plurality of release recesses misalign with the capture slots to rotationally engage the rotating and stationary components.

Abstract: An ergonomically designed space saving, collapsible multi-function travel-friendly modular workstation for supporting a broad range of electronic systems, reading materials and the like for users while standing, sitting or on-the-go, and fits in anywhere, anytime is presented. The workstation comprises a support unit, telescopic rod and tripod and is designed to provide needed cooling and ventilation for electronic systems, support healthy postures, and complete comfort and versatility of a multi-function workstation with all the important things needed when working at a desk, thereby improving a user's comfort when using the workstation. Further, the workstation is designed for easy transportation, storage and set up, as well as provide a versatile workspace for a user in many different environments, for everyday use such as note taking, writing, reading, presentations, performing arts and rehearsing while playing a musical instrument, music or conductor stand, etc.

Abstract: Technologies for a hinge for a dual-screen clamshell computing device include a hinge having a drive shaft and a driven shaft. The drive shaft is fixed to a member such as a secondary display housing of the computing device. The driven shaft is rotatably coupled to another member such as a base housing of the computing device. The hinge includes a one-way needle bearing fixed to the same member as the driven shaft. The driven shaft passes through the one-way needle bearing, which allows free rotation of the driven shaft in one direction and prevents rotation of the driven shaft in the other direction. The hinge includes a coupling joint that selectively couples the drive shaft and the driven shaft. The computing device includes a trigger that is operable to selectively engage and disengage the coupling joint of the hinge. Other embodiments are described and claimed.

Abstract: A system for determining a door condition includes a hinge including a first portion coupled with a door and a second portion coupled with a vehicle frame and rotatably coupled with the first portion. The system further includes a sensor outputting a signal related to a position of the first portion relative to the second portion and a controller receiving the signal and determining whether the signal corresponds to a door closed condition or a door open condition.

Abstract: A releasable locking hinge assembly having: a shaft including a first locking region with multiple faceted sides on an outer circumference of the shaft, and a partial or complete hollow cylinder coaxial with and receiving the shaft, wherein the hollow cylinder includes a second locking region with multiple faceted sides on an inner wall of the cylinder, wherein the first locking region and second locking region are configured to slidably engage; and wherein the locking regions slidably engage, they lock the angular position of the locking hinge, and where they slidably disengage, they allow the locking hinge to pivot.

Abstract: A releasable locking hinge assembly having: a shaft including a first locking region with faceted sides on an outer circumference of the shaft, and a partial or complete hollow cylinder coaxial with and receiving the shaft, wherein the hollow cylinder includes a second locking region with faceted sides on an inner wall of the cylinder, wherein the first locking region and second locking region are configured to slidably engage; and wherein the locking regions slidably engage, they lock the angular position of the locking hinge, and where they slidably disengage, they allow the locking hinge to pivot.

Abstract: An adjustable food shield includes a pair of support columns, a pair of rotation and detent mechanisms, a top shelf resting on and attached to the top ends of the support columns, a pair of rotation arms. One of the rotation arms is coupled respectively to each of the rotation and detent mechanisms, such that the rotation arms are rotatable about an axis generally parallel with a lengthwise dimension of the adjustable food shield. The rotation and detent mechanisms provide detents at a number of angular positions of the rotation arms. The adjustable food shield further comprises a shield panel fixed to the rotation arms.

Abstract: A changing carrier for a playard includes a frame used to be attached detachably to the top of the playard, and a fabric body wrapping around the frame to confine a receiving space within the frame. The frame includes a pair of brackets, each of which is adapted to be connected slidably and detachably to a respective one of two upper side rails of the playard. The frame is movable relative to the playard between a detached position, where each bracket is not connected to the respective upper side rails, and a stop position, where each bracket connects to the respective upper side rail and where the frame abuts against an upper end rail of the playard interconnecting the upper side rails.

Abstract: A security lock that retrains movement of a hinge is described. A locking system that includes a hinge that includes a first connector, a second connector and a pivot pin, the first connector pivotable relative to the second connector around the pivot pin, and a lock configured to be positioned over the pivot pin to restrain movement of the first connector is described.

Abstract: A sunvisor with for a vehicle, including a sunvisor body having a front surface and a rear surface, a hinging arrangement for hinging the sunvisor body to a roof structure of a vehicle body, the hinging arrangement including a hook member located above an upper side portion of the sunvisor body, an upper rod unrotatably connected to the sunvisor body, a detent member rotatably coupled to a lateral end portion of the upper rod outside the sunvisor body and to the roof structure and includes pivot means to swing the sunvisor body between a first screening position and a second screening position.

Abstract: For information display devices and other uses, a mechanism for unlocking and locking the rotation of a load-bearing hinge at multiple specific angles with the press and release of a push button—with an option for a default angular position.

Abstract: An attachment assembly is configured to couple a panel assembly to a support member. The attachment assembly includes a first attachment member and a second attachment member movably coupled to the first attachment member. As such, the second attachment member is configured to move relative to the first attachment member. The second attachment member defines a cavity portion. The attachment assembly further includes a locking member movably coupled to the first attachment member between an unlocked position and a locked position. When the locking member is in the unlocked position, the second attachment member is movable with respect to the first attachment member. In the locked position, the locking member is at least partially disposed in the cavity portion, thereby fixing the position of the second attachment member with respect to the first attachment member.

Abstract: Provided is a portable terminal including a first housing, a second housing, and a hinge apparatus rotatably coupling the first housing and the second housing. The hinge apparatus includes a hinge housing fixed to the first housing, a hinge member fixed to the second housing and coupled to the hinge housing, the hinge member rotating around a hinge axis which extends perpendicular to a surface of the first housing, an interference protrusion provided on one of the hinge housing and the hinge member, and a stopper groove formed in the other of the hinge housing and the hinge member wherein the hinge member rotates around the hinge axis while being spaced apart from the hinge housing.

Abstract: Braking system for a stroller utilizes an actuator to move two brakes close to an axis to unlock the rear wheels of the stroller and away from the axis to lock the rear wheels. Each brake comprises a long arm. The brakes are disposed at the opposite sides of the axis. When the actuator is driven to rotate about the axis, the brakes move around the axis to have axial movement close to or away from the axis.

Abstract: The invention relates to communications technologies and discloses a rotation axis, a digital device and a Universal Serial Bus (USB) device. The rotation axis includes a sleeve, an elastic body, an indented washer, and a movable support. The sleeve includes a lip and a cylinder. The elastic body, the indented washer, and the movable support are configured sequentially around the cylinder with the lip adjacent to the elastic body along the axial direction of the cylinder beginning with the lip. A number of concave indents are configured on one end-surface of the indented washer and distributed on a circle. The end-surface of the indented washer where the concave indents are configured contacts one end-surface of the movable support. A number of protrusions are configured on the end-surface of the movable support to mate the concave indents. In the invention, a rotation axis is constituted by a few parts including a sleeve, an elastic body, an indented washer, and a movable part.

Abstract: A hinge includes first hinge connectors having first shaft holes drilled and which are disposed at a rear of a synthetic resin case body that may contain a cosmetic material; a second hinge connector having a second shaft hole drilled and which is disposed at a rear of a synthetic resin lid that opens or closes with respect to the case body. The hinge also includes synthetic resin hinge shafts inserted through the first shaft holes, the second shaft hole, and two protruded fitting parts with a shape of a short cylinder disposed so as to project from end faces of the first hinge connectors and come in abutment with two U-shaped, recessed fitting parts disposed on end faces of the second hinge connector.

Abstract: A hinge includes first hinge connectors having first shaft holes drilled and which are disposed at a rear of a synthetic resin case body that may contain a cosmetic material; a second hinge connector having a second shaft hole drilled and which is disposed at a rear of a synthetic resin lid that opens or closes with respect to the case body. The hinge also includes synthetic resin hinge shafts inserted through the first shaft holes, the second shaft hole, and two protruded fitting parts with a shape of a short cylinder disposed so as to project from end faces of the first hinge connectors and come in abutment with two U-shaped, recessed fitting parts disposed on end faces of the second hinge connector.

Abstract: The present invention provides a tablet computer and a docking station assembly. This docking station comprises a docking assembly for positioning with three degrees of freedom and having a data connector for mechanically supporting and interfacing with the tablet computer. A support member couples the docking assembly to an expansion base. The base includes a number of ports for interfacing with a variety of peripheral devices or power supplies. These varieties of ports mount to a printed circuit board contained within the expansion base. A flexible printed circuit (FPC) combines the signal pathways for the variety of ports, allowing the signal pathways to travel from the printed circuit board and to the data connector. The tablet computing device has a plurality of contact or touch points positioned on the right and left edges of the tablet to facilitate aligning the tablet to the docking assembly in either a landscape or portrait mode.

Abstract: A rotating shaft with open and shut function comprises a shaft part, a fixing part, a slide part, an extension part and/or a rotating part. When a lid on an article rotates, the rotating slants of the rotating projections on the rotating part move along the end projections of the slide part to allow the sliding juts on the slide part moving along the fixing juts on the fixing part so as to compress the extension part between the fixing part and the slide part. When the lid rotates an angle till the rotating projections contacting face to face with the end projections, the lid can be located in a state of standstill. When rotating slants move to the slant side of the respective end projection at the another side thereof, the extension part stretches to allow the slide part moving back axially so that the rotating slants can move along the end slants to form a state of engagement between the rotating slants and the end slants respectively and the lid can be fully opened automatically.

Abstract: A locking hinge system for allowing an individual to selectively lock a door within a desired open or closed position. The locking hinge system includes a first leaf having a plurality of first extensions and first apertures, a second leaf having a plurality of second extensions and second apertures, a tubular pin pivotally attaching the leafs together, and a locking pin for locking the leafs in a desired open or closed position. The locking pin is preferably stored within the lumen of the tubular pin and then removed for insertion into the apertures within the extensions for locking the leafs into the desired position. The first leaf may be attached to a door and the second leaf may be attached to a doorjamb or vice versa. In an alternative embodiment, a locking mechanism that is accessible from outside of the door is utilized to manipulate the locking pin within the apertures of the extensions.

Abstract: A screw-on hinge is disclosed for a door or flap which is arranged so as to be swivelable vertically or horizontally at a frame or wall, wherein the door or flap is held in releasable manner in at least one swivel angle position (−5°; +85°; +175°). This screw-on hinge comprises a first hinge part which can be fastened, for example, to the frame, and a second hinge part which can be fastened, for example, to the door or flap. Each of the hinge parts is symmetric with respect to its center bisecting line and comprises a bore hole for receiving a hinge pin arrangement. The hinge pin arrangement comprises a sleeve which is connected with one hinge part so as to be rigid with respect to rotation, and a springing catch device is arranged between the sleeve and the other hinge part.

Abstract: A portable computer docking station housing is provided on its bottom side with a support foot structure which is pivotable relative to the housing to prop it up on a horizontal work station surface in a selectively variable one of a series of different front-to-rear tilt angles thereon. This permits the opened display screen of a docked portable computer disposed on the top side of the docking station housing to be selectively adjusted upwardly and downwardly in a vertical plane to accommodate the height and viewing preferences of a user of the docked computer. A specially designed spring-loaded, manually operable clutch mechanism is useable to releasably lock the support foot in its selected pivotal orientation relative to the housing. Various peripheral device connection ports are conveniently incorporated in the support foot.

Abstract: There is disclosed a hinge mechanism for use in a portable phone having a phone body and a cover, the hinge mechanism configured to mechanically couple the cover to the phone body. The hinge mechanism includes at least one hinge module mounted to the phone body and configured to hinge the cover with respect to the phone body for opening and closing the cover. The hinge module includes a hinge housing having a bottom wall and a pair of opposite lateral end walls spaced from each other, one of the lateral walls having a hole. The hinge housing also has a pair of opposite longitudinal end walls spaced from each other. A hinge shaft is mounted in the housing and has a mountain-shaped portion provided with a pair of opposite cam surfaces at one longitudinal portion thereof and a shaft portion at the other longitudinal portion thereof.

Abstract: Two pivoting portions of a product are connected by a hinged detent. The hinged detent provides a snap feel when the product halves are closed or opened to an operable angle. It also allows for the placement of wires and connectors within the hinge. The hinged detent design further enables easy vertical axis assembly and provides for one of a multiple of operable angles to be factory-set. In adjustable hinge detents, a dial or similar mechanism can be rotated to adjust and set the desired operable angle to which the hinged product halves will be opened. Locating elements are forcibly disengaged from one set of adjusting recesses in the adjustable hinge, then rotated to different adjusting recesses of the hinge, and finally permitted to reengage the adjustable hinge in the new adjusting recesses. This mechanism permits a multitude of operable angles to be selected. Each time the product portions are reopened, they will automatically open to the previously selected angle.

Abstract: In order to provide a closing device for a covering member, which is smaller than a conventional device, can stably hold the covering member at a predetermined open angle, and is manufactured at low cost, the closing device comprises: a rotary shaft having a flange part and a means to be fixed to the covering member side; a guide plate which is rotatably retained by a side facing the flange part of the rotary shaft and has means to be fixed to the device body; a first click plate fixed to the guide plate so as to be rotatable around the rotary shaft together with the guide plate; a second click plate which is in contact with the first click plate and is attached to the rotary shaft so as to be non-rotatable and slidable in the axial direction; and a compression means compressedly arranged between the second click plate and the flange part in order to press toward the first click plate side.

Abstract: A hinge apparatus for portable electronic devices such as portable telephones and handheld personal computers can be manufactured with a small and simple structure at a low cost. The hinge apparatus has a shaft with a flange, a cam engaged with an end of the shaft and; a slide cam engaged with the shaft between the cam and the flange. The slide cam is rotatably with the shaft and slidably in an axial direction. A compression spring is rolled around the shaft, and elastically provided between the slide cam and the flange. The cam has a pair of projections on one side surface at opposite positions, and the slide cam has cam members press-contacted with the projections. Otherwise, provided is a hinge apparatus which connects a microphone and a earphone of a portable telephone.

Abstract: To provide a tilt hinge capable of obtaining a great frictional torque despite of its small size and insuring a clip stop, the present invention comprises a bracket to be mounted on the body side of the equipment, a rotating shaft designed to be mounted to the end of an opening-closing body which is rotatably mounted on a bearing section of the bracket, a friction washer mounted between the large-diameter portion of the rotating shaft and the bearing section and/or on the other side face of the bearing section with the rotating shaft inserted into the central part, and an elastic means mounted with the rotating shaft inserted in the central part to press the friction washer against the large-diameter portion and/or the bearing section; and a click stop means is provided between the rotating shaft and the bracket.

Abstract: A pulling device for a foldable ladder joint, comprising: two inner bodies, having facing front surfaces, with aligned sets of three arc-shaped holes each along a circular path; an arc-shaped piece, inserted between the front surfaces of the two inner bodies, extended along the circular path and glidingly movable along the circular path, guided by pins or projections, which extend into the arc-shaped holes of the inner bodies; and a spring with two ends, which are held on a fixed position on one of the inner bodies and one end of the arc-shaped piece, so as to exert an elastic force on the arc-shaped piece along the circular path.

Abstract: A combination step and extension ladder manufactured of prestressed filament wound composite material such as fiberglass is disclosed. The inner and outer side rails are molded, filament wound composite material (fiberglass) wherein the fibers are continuous and angularly oriented with respect to the longitudinal axis of the respective side rails. Hinges are provided on each of the inner side rails of the ladder and hinge actuators are located in the front edges of the outer side rails so that the ladder may be folded, unfolded or locked in either a closed, step ladder or straight extension ladder configuration, by depressing the hinge actuators, irrespective of the longitudinal position of the inner rail sections with respect to the outer rail sections.

Abstract: A hinge module for mounting a flip onto a portable telephone set. The hinge module uses a retractable member so the flip can be easily mounted onto the handset. The retractable member includes a shaft movably received in a tube, which also functions as a rotating shaft so no additional rotating shaft is needed.

Abstract: An adjustable locking hinge for holding a door either completely or partially open. The adjustable locking hinge has an adjustable friction resistance and allows retention of the door at any desired angle. The hinge includes two hinge leaves with knuckles in an intermeshing relationship with each other, and a hinge pin that extends through the knuckles that is axially shiftable to locked and unlocked positions. Two pins extend upwardly from opposite sides of a base element and engage a sprocket plate mounted on the hinge pin, in the locked position. In the locked position, the resistance to move the door is adjusted by an actuating mechanism. A protective cap is removably attached to the base element, and covers the components of the locking mechanism. The protective cap has a central aperture through which the top portion of the actuating mechanism extends. The lower portion of the hinge pin includes an axial bore with an end button press fit therein.

Abstract: Apparatus for adjusting a first member relative to a second member comprises a button with two sets of teeth and movable between first and second positions. When in the first position, both sets of teeth engage sets of teeth carried by the first and second members to prevent relative movement of the first and second members. When in the second position, one of the sets of teeth carried by the button disengages one of the sets of teeth carried by one of the first and second members to allow relative movement thereof.

Abstract: A hinge assembly which has a limited number of stable positions and in which the hinge automatically moves to the closest of such stable positions is disclosed. The movement of the hinge is accomplished in one illustrative embodiment by positioning the protrusion on one of a pair of ramps inclined opposite to one another and toward the adjacent recess so that the parts of the hinge rotate relative to one another, moving the protrusion into the adjacent recess. The protrusion is pressed against the ramps and the grooves by a connecting portion that joins the arm portions and is flexed when the hinge parts are assembled so as to bias the arm portions toward one another.

Abstract: A hinge device for coupling two rotatable members includes a stud and a shaft extended from one rotatable member and a barrel secured on the other rotatable member. The stud has a coarse wedge shaped projection. The barrel includes a coarse frustum shaped inner peripheral surface for engaging with a coarse frustum shaped outer peripheral surface of an actuator. The actuator includes a notch having a coarse tapered surface for engaging with the coarse projection. A spring may bias the coarse surfaces to engage with each other for allowing the rotatable members to be maintained in any suitable relative angular position.

Abstract: The present invention relates to a bending joint of a collapsible baby playing bed, which comprises:two inner tooth members each having a tubular portion connected with an upper frame of the bed, and teeth; two fitting blocks each having teeth engaged with the teeth of the tooth members, and two opposing sectorial recesses; a connector having two pairs of opposing sectorial projections engaged with the recesses of the fitting blocks, and a recessed portion; two springs; a push cap fitted on the recessed portion; two bolts each passed through the connector, one the spring, one the fitting block, one the tooth member, and a nut. The bending joint of the bed is first and formost lifted upward to loosen a tight engagement of the teeth of the fitting blocks and the teeth of the tooth members and then the cap is pushed inward so that the sectorial recesses of the fitting blocks can disengage and the inner tooth members can be pivoted downward.

Abstract: A holder adapted to be worn by a musician and adapted for supporting a harp to permit hands-free playing of the harp. The holder includes a supporting section comprising a pair of arms adapted for positioning in front of and at opposite sides of the musician's face. A harp supporting member extends between the outer ends of the arms and is adapted to support the harp adjacent the musician's mouth. A shoulder-engaging section is pivotally attached at the opposite ends of these arms and a first adjusting means enables adjustment of the relative positions of the outer end and the opposite end of each arm. A second adjusting means enables adjustment of the position of the shoulder-engaging section relative to the position of the opposite ends of the supporting section.

Abstract: There is disclosed a novel Indexing Hinge which rotates when a plunger is depressed and locks when the plunger is released.

Abstract: An improved rotatable joint of the kind disclosed in U.S. Pat. No. 5,381,570 for foldable tubular playpen frames having a step in the tooth of a recessed sprocket portion in which a connecting gear rests. In order to unlock the joint one must move the gear axially inwardly with a pushbutton as well as relieve the stresses on the joint by lifting up the tubular bars connected to the joint so that the gear may slip off the step. In this way an additional factor of safety is built-in in order to unlock the joint, and accidental release is reduced.

Abstract: A docking station for use with a notepad computer is disclosed. The main electronic housing of the docking station is pivotably mounted with a receiving tray to provide a number of positions for the notepad computer between an upright position and a low angle position. The more upright positions are useful when using the internal display of the notepad computer, particularly if an external keyboard and pointing device are used. The low angle position is useful when an external monitor is used and the overlay of the notepad computer is used for input. The receiving tray is removably mounted to the docking station and may be replaced with another receiving tray of a different size for use with a different notepad computer of a different size.

Abstract: A locking device for pivotally interconnecting a closure to a support and locking the closure in an open position relative to the support. The interlocking device interconnects the closure and support about a vertical axis, so that the closure can pivot about this axis and open and close relative to the support. The interlocking mechanism includes a locking mechanism having two engageable locking ratchet members. One ratchet member is fixedly coupled to the closure, and the second ratchet member is coupled to the support for movement along the vertical axis. The locking mechanism also has a spring which biases the ratchet members together into engagement with each other. Both ratchet members have compatible teeth with a ramping surface and a stopping surface for limiting the pivotal movement of the closure to a first direction and locking the closure in an open position. The releasing mechanism disengages the ratchet members, which allows the closure to be closed.

Abstract: A collapsible baby playing bed is provided. The baby bed includes an upper frame and a lower frame coupled together with four corner joints, four leg bases, and four legs. The upper frame consists of four horizontal sides, each side being made of two rods connected together by a bending joint at the center of the side. The lower frame consists of two crossing rod units, four bending joints, and two connecting rods connecting a straight rod with a curved rod of each crossing unit. Two movable bases are included with each having a foot to stand on the ground, and being connected with a respective connecting rod. Two locking bases are also provided, each having a foot to stand on the ground and being connected with a respective straight rod. The lower frame is capable of being collapsed, which in turn permits the upper frame to be collapsed.

Abstract: A collapsible baby bed includes four pairs of two upper horizontal side rods connected with four bending means, four corner connectors connecting two pairs of two upper horizontal side rods, two V-shaped connecting tubes connected with a pair of lower horizontal rods also connected with two foot rods, two inverted U-shaped bottom frames pivotally connected with two V-shaped connecting tubes. The four foot rods and the vertical poritons of the inverted U-shaped bottom frames stand on the ground soas to support this bed when it is spread out. The four bending means and a pivotal pin combined the two V-shaped connecting tubes and the inverted U-shaped bottom frames enable this bed collapsed.

Abstract: A hinge mechanism for a foldable electronic apparatus having a first and a second casing. A first and a second cylindrical hinge are provided on the first and second casings, respectively. The second hinge is formed with lugs each having two contact faces having angles .alpha. and .beta. (smaller than .alpha.). A locking member is received in the first hinge and provided with recesses each contacting one of the lugs at either of the angles .alpha. and .beta., depending on the direction of rotation, i.e., the folding direction or the unfolding direction.