Abstract: A pivotal support mechanism includes a supporting base, a lever having one end portion pivotally and frictionally attached to the supporting base for allowing the lever to be rotated and adjusted relative to the supporting base to a selected angular position, and a beam having one end portion pivotally and frictionally attached to another end portion of the lever for allowing the beam to be rotated and adjusted relative to the lever to a selected angular position, and the lever includes an opening formed in the other end portion of the lever, and an electric facility is pivotally and frictionally attached to the other end portion of the beam for allowing the electric facility to be rotated and adjusted relative to the beam to a selected angular position.

Abstract: An isolator device includes a housing for engaging with a head of a user and a nasal mask for covering a nose of the user, a filter member attached to the housing for dirt filtering purposes, a radio attached to the housing, a speaker attached to the housing and connected to the radio for allowing a sound generated by the user to be amplified and to be heard by people, and an earpiece attached to the housing and connected to the radio for allowing an external sound to be amplified and to be heard by the user. The radio is selected from a two-way radio. A fan member is attached to the housing for circulating an air into the chamber of the housing.

Abstract: A pivotal supporting device includes a supporting base, a pivot shaft disposed on the supporting base, a supporting arm having a plate attached to the pivot shaft, two levers having one end portions pivotally attached to the plate with pivot pins, a panel pivotally attached to the other end portions of the levers with pivot axles for forming a parallelepiped structure with the levers and the plate, and a spindle attached to the panel, a carrier attached to the spindle, and a remote member attached to the carrier. One or more spring biasing elements are engaged onto the pivot shaft and one or more spring biasing members are engaged onto the spindle and one or more spring biasing components are engaged between the pivot shaft and the spindle.

Abstract: A pivotal supporting system includes a pivotal supporting device disposed on a supporting base for supporting a remote member on the supporting base, the pivotal supporting device includes a housing having two apertures, a shank engaged into the housing and includes two pathways aligned with the apertures of the housing, the pathways of the shank include arc lengths different from each other, two spring biasing members are engaged onto the housing and each include a tongue engaged into the apertures of the housing for engaging with the pathways of the shank, and a control ferrule is rotatably engaged onto the housing and includes two protrusions for forcing the tongues of the spring biasing members to engage with the pathways of the shank.

Abstract: A mobile device supporting assembly includes a supporting mechanism having a base plate, a carrier plate to be supported on the base plate, and a lever attached to the base plate and adjustable relative to the base plate, and a mobile electronic facility to be supported on the carrier plate. The carrier plate is adjustable relative to the base plate with the lever for allowing the mobile electronic facility to be adjusted relative to the base plate to any suitable or selected height. The lever includes a spindle engaged with the base plate for pivotally attaching the lever to the base plate, and includes an axle engaged with the carrier plate for pivotally attaching the lever to the carrier plate.

Abstract: A sound amplifying facility includes a headphone having a wireless transmitting and receiving module for transmitting and receiving an information from an electric facility, and an amplifying mechanism having a signal receiving and amplifying module for receiving and amplifying the information from the headphone. The headphone includes a wireless charging module, and the amplifying mechanism includes a wireless charging unit for charging the headphone wirelessly. The amplifying mechanism includes a socket for engaging with the headphone. The socket includes a conductor, and the headphone includes a terminal for engaging with the conductor of the socket.

Abstract: A positioning carrier for attaching to a rail having a rib includes a housing having a bore, a frame attached to the housing and engaged onto the rail and having a compartment for receiving the rail, a bracket engaged into the frame and engaged with the rail, a seat attached to the housing and having a curved surface, a latch engaged through the frame and the housing and the seat, a shaft attached to the latch, a spring biasing member engaged onto the latch and engaged between the shaft and the seat, and a cam member engaged with the shaft and engaged with the curved surface of the seat for actuating the frame and the housing and the seat toward each other or for releasing the frame and the housing and the seat from each other.

Abstract: A container includes a housing, a casing pivotally connected to the housing with a pivot axle, one or more magnetic members engaged in the housing, and one or more magnetic elements engaged in the casing and disposed close to the magnetic member for acting with the magnetic member and for anchoring the casing to the housing at any selected angular position. The housing includes a slot formed in a seat, and the magnetic member is engaged in the slot of the seat. The housing includes a passage formed in the seat, and the pivot axle is engaged in the passage of the seat. The magnetic member includes an aperture formed in the magnetic member for receiving and engaging with the pivot axle.

Abstract: A posture correction mechanism includes a carrier attached to a housing, and a gearwheel rotatably attached to the housing, the gearwheel includes a screw hole engaged with a screw which is moveable up and down relative to the housing for driving the gearwheel to rotate relative to the housing, two shafts are rotatably attached to the carrier and each has an arm rest, two gears are rotatably attached to the carrier and engaged with the gearwheel, the gears are connected to the shafts for allowing the shafts to be driven by the gearwheel to rotate relative to the carrier and for allowing the arm rests to be rotated toward or away from the user.

Abstract: A USB connector combination includes a connector selected from type A and engaged in a housing and having a power terminal, an adapter selected from type C and engaged in the housing and electrically connected to the connector, and the adapter includes a power conductor, and a diode includes an anode connected to the power terminal of the connector, and a cathode connected to the power conductor of the adapter. The housing includes a chamber for receiving and engaging with the connector, and a compartment for receiving and engaging with the adapter. The housing includes a partition formed between the chamber and the compartment of the housing.

Abstract: A belt device combination includes a carrier member for supporting a user, a strap member for engaging with the user, the strap member includes one end portion attached to the carrier member, and a lock member is attached to the carrier member, a buckle member is attached to the other end portion of the strap member for engaging with the lock member and for anchoring the user to the carrier member, and a controlling device includes a processing module connected to the lock member for releasing the buckle member from the lock member selectively, and a timing module connected to the processing module for controlling a releasing time interval of the buckle member from the lock member.

Abstract: A positioning carrier for attaching to a rail having a rib includes a housing having a bore, a frame attached to the housing and engaged onto the rail and having a compartment for receiving the rail, a bracket engaged into the frame and engaged with the rail, a seat attached to the housing and having a curved surface, a latch engaged through the frame and the housing and the seat, a shaft attached to the latch, a spring biasing member engaged onto the latch and engaged between the shaft and the seat, and a cam member engaged with the shaft and engaged with the curved surface of the seat for actuating the frame and the housing and the seat toward each other or for releasing the frame and the housing and the seat from each other.

Abstract: A table support mechanism includes a table plate supported on legs and having a number of cavities formed in the table plate, and one or more hanger devices each having a rod member and each having one end portion engaged with either of the cavities of the table plate for allowing the rod members of the hanger devices to be supported on the table plate, the rod members of the hanger devices each include another end portion spaced from the table plate for engaging with and for supporting an object on the table plate with the rod members of the hanger devices, and a carrier disposed on the rod member. A rest is engaged with two of the rod members for engaging with another object.

Abstract: A pivotal supporting system includes a supporting column disposed on a supporting base, and a supporting lever includes a housing attached to the supporting column for supporting a remote member on the supporting base, the supporting lever includes a housing having a chamber formed in the housing, a number of magnetic attractive members attached to the housing, a cover, and a number of magnetic attractive elements attached to the cover and engaged with the magnetic attractive members of the housing for anchoring the cover to the housing and for allowing the cover to be easily and quickly and readily attached to the supporting lever without screws or bolts or fastener members.

Abstract: A pivotal supporting system includes a pivotal supporting device disposed on a supporting base for supporting a remote member on the supporting base, the pivotal supporting device includes a housing having a compartment for engaging with a shank, the shank having a groove and a pathway aligned with an orifice and an aperture of the housing, a latch engaged into the orifice of the housing for engaging with the groove of the shank, a lock engaged into the aperture of the housing for engaging with the pathway of the shank, and a control ferrule is engaged onto the housing includes an actuating element and one or more actuating members for engaging with the latch and the lock.

Abstract: A carrying bag includes a housing, and a retaining device attached to the outer portion of the housing, the retaining device includes a wall member extended outwardly from the outer portion of the housing for forming a chamber in the wall member and for receiving and engaging with an object, such as a mobile or portable phone. The wall member includes a number of fences extended outwardly from the outer portion of the housing for forming the chamber in the wall member, and the fences are separated from each other for forming a number of gaps between the fences. The fences of the wall member each include a rounded outer flange portion for guiding the object into the chamber in the wall member.

Abstract: A carrying bag includes a housing, two attachments attached to two side portions of the housing, a strap device having two engaging members at end portions for engaging with the attachments of the housing, and two retaining devices slidably attached to the strap device, the retaining devices each include a spring biasing member for contacting and engaging with the engaging member of the strap device, and a retainer extended from the spring biasing member for contacting and engaging with the engaging member of the strap device and the attachment of the housing and for anchoring and retaining the engaging member of the strap device and the attachment of the housing together.

Abstract: A carrying bag includes a housing, a retractor attached to the housing, the retractor includes a curtain movable out of the housing at an outwardly opened and working position, and a projector is engaged in the rotary member. A battery is disposed in the housing and electrically connected to the projector. The housing includes a wireless charging device electrically connected to the battery. The projector includes a transceiver module having a wired transceiver and a wireless transceiver for receiving the information from the mobile device wirelessly. The housing includes a rotary member, and the projector is engaged in the rotary member.

Abstract: A pivotal supporting system includes a pivotal supporting device disposed on a supporting base for supporting a remote member on the supporting base, the pivotal supporting device includes a housing having two apertures, a shank engaged into the housing and includes two pathways aligned with the apertures of the housing, the pathways of the shank include arc lengths different from each other, two spring biasing members are engaged onto the housing and each include a tongue engaged into the apertures of the housing for engaging with the pathways of the shank, and a control ferrule is rotatably engaged onto the housing and includes two protrusions for forcing the tongues of the spring biasing members to engage with the pathways of the shank.

Abstract: A carrying bag includes a housing having a base wall and an upper wall, and the housing includes a cover panel foldable relative to the upper wall, a base plate is engaged in the housing, a placement rack is foldably attached to the base plate with a hinge device, and the placement rack is foldable relative to the base plate and the housing, and a display is attached to the placement rack and movable relative to the upper wall between an upwardly working position and a downwardly folded storing position. A power supply is engaged in the housing, and a charger is engaged in the housing and electrically connected to the power supply. The housing includes a chamber for receiving a mobile device.