76results about How to "Safe and easy replacement" patented technology

A device and method for repairing spinal discs in which the nucleus has been damaged. A central section of the nucleus is cored out using a device which ablates the tissue using RF energy. A nucleus implant comprising a shape memory material is placed in the central section of the disc through a cannula, which implant is activated by body heat to expand and fill the central section, such that the implant emulates the functions and strength of the disc's natural nucleus.

An electrical box is mounted on a wall stud, and a wiring panel is installed within the electrical box so as to partition the interior of the electrical box into a user inaccessible wiring compartment and a user accessible module compartment. A protective cover is attached to the wiring panel so as to protect the wiring panel during a makeup phase of wall panel installation and painting. After the makeup phase, the protective cover is removed from the wiring panel and a module having a user operable electrical function is mounted to the wiring panel within the user accessible module compartment.

An automated self-propelled pool cleaner having a housing, a water pump for moving water through the housing, drive means for moving the pool cleaner over the surface of the salt water pool to be cleaned, and an integral electrochemical chlorine generator mounted in the housing, includes a processor / controller that is programmed to activate the chlorine generator, the pump and drive means in predetermined operational sequences that minimize wear and tear on the water pump and drive means, while at the same time distribute and maintain a safe level of sanitizing chlorine in the pool, to thereby obviate the need for an in-line chlorinator or other chemical additive treatments; an optional automated sensor device can be provided to activate a secondary maintenance program which enables the pool cleaner to operate over prolonged periods of time as the sole means for filtering and sanitizing the pool water. An electrochemical cell manual mounting system permits the cell to be secured in place for operation and manually removed for maintenance, repair or replacement by the user without special tools or training.

An electric machine and a power supply system, in which a battery pack can be easily and safely replaced with another, and electric power can be transferred with high transfer efficiency. An electric machine of the present invention includes a driving electric motor, a battery pack for supplying electric power to the driving electric motor, and an energy transfer section for transferring electric energy output from the battery pack to the driving electric motor. The battery pack includes a first antenna for receiving electric power from a power supply source located outside the electric machine by coupling with a first resonant magnetic field generated by the power supply source, at least one secondary battery charged by the electric power received by the first antenna, an oscillator for producing radio-frequency power by DC power discharged from the secondary battery, and a second antenna for generating a second resonant magnetic field by the radio-frequency power. The energy transfer section includes a third antenna that couples with the second resonant magnetic field generated by the second antenna, and transfers the radio-frequency power received by the third antenna to the driving electric motor.

A safety outlet module includes a housing, a receptacle defined by the housing, an aperture defined within the receptacle, a cover slidably retained within the receptacle and a plug retained at least partially within the housing. The receptacle has an opening, a bottom and a wall extending between the opening and the bottom. The aperture partially extends along the wall. The cover has a closed position proximate the opening and an open position proximate the bottom. The aperture is blocked in the closed position and exposed in the open position. The plug extends from a housing face and is adapted to removably connect to an electrical power source. A contact is retained by the housing outside of the receptacle and proximate to the aperture, and a buss internal to the housing connects the plug to the contact.

A modular wiring system including a wall box receptacle device. The system includes a wiring interface disposed on a first side and electrically coupled to a plurality of receptacle openings disposed on a second side. An adjustable support assembly includes a retaining frame configured to secure the wall box receptacle device therein. A first hinged mounting member is rotatably coupled to a first end of the retaining frame, and a second hinged mounting member is rotatably coupled to a second end of the retaining frame. A modular electrical wiring device includes at least one electrical circuit disposed between a cover member and a rear body member. The at least one electrical circuit is coupled to a plurality of male terminal elements accessibly disposed in the rear body member. The plurality of terminal blades are insertable in the plurality of receptacle openings to establish electrical continuity between the plurality of male terminal elements and the wiring interface.

An automated self-propelled pool cleaner having a housing, a water pump for moving water through the housing, drive means for moving the pool cleaner over the surface of the salt water pool to be cleaned, and an integral electrochemical chlorine generator mounted in the housing, includes a processor / controller that is programmed to activate the chlorine generator, the pump and drive means in predetermined operational sequences that minimize wear and tear on the water pump and drive means, while at the same time distribute and maintain a safe level of sanitizing chlorine in the pool, to thereby obviate the need for an in-line chlorinator or other chemical additive treatments; an optional automated sensor device can be provided to activate a secondary maintenance program which enables the pool cleaner to operate over prolonged periods of time as the sole means for filtering and sanitizing the pool water. An electrochemical cell manual mounting system permits the cell to be secured in place for operation and manually removed for maintenance, repair or replacement by the user without special tools or training.

A utility knife includes a housing, a cutter holder, a cutter blade magazine and an elastic member. The housing has a front chamber, a rear chamber in communication with the front chamber, and an opening extending from the rear chamber to the outside. The cutter holder is mounted in the front chamber. The cutter blade magazine is inserted through the opening of the housing into the rear chamber. The cutter blade magazine has a cutter blade chamber for accommodating a plurality of cutter blades, a sliding slot, an elongated slot, an outlet in communication between the cutter blade chamber and the front chamber of the housing, and a push block slidably mounted in the cutter blade chamber. The elastic member has one end fastened to the inside of the rear chamber and the other end inserted through the elongated slot of the cutter blade magazine into the cutter blade chamber for stopping against cutter blades inside the cutter blade chamber. Thus, the utility knife of the invention allows for storage of multiple replacement cutter blades and also allows for safety and easy cutter blade replacement.

A wheel support for providing a connection, rotatable about an axis (S), between a wheel of a vehicle which can be braked by a disk brake and the stub axle (6) of the vehicle comprises a bell (24) suitable for supporting a braking band (25) and a connection flange (14) for the connection of the vehicle wheel. The bell (24) and the connection flange (14) are formed integrally, constituting a single body (2) which can be connected rotatably and releasably to the stub axle (6) of the vehicle.

An electrical distribution system comprises a wiring module and a functional module. The wiring module mounts within an electrical box and has a functional side and a wiring side. The functional module has a front side and a back side and removably installs in the wiring module functional side. A key extends from, and is positioned on, the back side so as to identify a type of functional module. An aperture is positioned on the wiring module functional side so as to accept the key only when the functional module is properly oriented with respect to the wiring module. The wiring module is mounted within the electrical box according to the functional module type.

The invention discloses a multi-functional mechanical property tester of rock. A loading rack of the tester is a multi-face annular integral rack; a bottom wall of an annular inner wall of the rack is a plane for placing a rock test piece; a top wall of the annular inner wall of the rack is provided with a first actuator which vertically and downwardly points at the rock test piece; the wall face on one side of the annular inner wall of the rack is provided with a second actuator which horizontally and inwardly points at the rock test piece; the wall face on the other side opposite to the wall face on one side of the second actuator is provided with a passive loading support rod which can be moved away; one end of the passive loading support rod acts on the rock test piece, and the other end of the passive loading support rod acts on the inner wall face of the rack; the counteraction of the passive loading support rod and the action of the second actuator form a pair of shear loads. The multi-functional mechanical property tester of the rock provided by the invention can be used for testing different mechanical properties on a same tester, so that the aim that one machine can be used for multiple purposes is fulfilled; and the loading rack has a skillful and rational structural design, the rigidity of the loading rack is greatly improved.

A functional module comprises a front cover having a front side defining an electrical distribution function and a back cover having a back side defining a plurality of shielded plugs. A contact set is adapted to communicate electrical power via the shielded plugs for the electrical distribution function. The front cover and said back cover are configured to latch together so as to enclose at least a portion of the contact set.

A shock-proof electrical wiring system includes a connector device having a connector housing. A plurality of connector contacts are disposed substantially inaccessible to a user within the connector housing. The plurality of connector electrical contacts are connected to a termination arrangement. The termination arrangement is configured to be connected to the portion of the plurality of AC electric power transmitting wires. An electrical wiring device includes a housing assembly that has at least one set of user-accessible receptacle openings disposed in a front major surface thereof in operative alignment with at least one shutter assembly configured to move from a closed position to an open position only in response to engaging a set of plug blades.

An outlet module has a housing with a functional side and a plug-in side. A covered receptacle is located on the functional side. Conductors are retained at least partially within the housing and extend from the plug-in side. The conductors are adapted to removably insert into a wiring module mounted within an electrical box so as to connect to an electrical power source. The covered receptacle is adapted to accept a corresponding plug so as to transfer power from the electrical power source to an electrical load.

The present invention is directed to a shock-proof electrical wiring system for use in an AC electrical power distribution circuit including a plurality of AC electric power transmitting wires disposed between an AC power distribution point and a device box, a portion of the plurality of AC electric power transmitting wires being routed into an interior portion of the device box. The system includes a connector device having a connector housing. A plurality of connector contacts are disposed substantially inaccessible to a user within the connector housing. The plurality of connector electrical contacts are connected to a termination arrangement. The termination arrangement is configured to be connected to the portion of the plurality of AC electric power transmitting wires. An electrical wiring device includes a housing assembly that has at least one set of user-accessible receptacle openings disposed in a front major surface thereof in operative alignment with at least one shutter assembly configured to move from a closed position to an open position only in response to engaging a set of plug blades. The at least one shutter assembly is secured within the housing assembly by a plurality of registration elements disposed along at least two orthogonal axes of the shutter assembly such that the at least one shutter assembly is substantially fixed along a first axis of the at least two axes, portions of the at least one shutter assembly being slidably movable between an open position and a closed position along the second axis of the at least two axes, the housing assembly including an AC circuit assembly coupled to at least one set of receptacle contacts disposed in substantial alignment with the at least one shutter assembly, the housing assembly further including a power input arrangement formed in a rear portion thereof, the power input arrangement including a set of power contacts configured to mate with the plurality of connector contacts within the connector housing to thereby establish electrically continuous paths between the plurality of AC electric power transmitting wires and the AC circuit assembly and the at least one set of receptacle contacts, the portion of the AC power transmitting wires being stowed within the interior portion of the device box when the electrical wiring device is mounted to the device box.

A battery holder (210) for mounting a button-type battery (200) on a printed circuit board (220) is provided. The battery holder comprises a resilient electrode plate (212), a ring (214) and a battery cap (216). The resilient electrode plate is soldered to positive contacts (222) of the printed circuit board. An anode of the battery is put on and electrically connects with the resilient electrode plate to thereby connect electrically with the positive contacts on the printed circuit board. The ring is soldered to negative contacts (224) of the printed circuit board and surrounds the resilient electrode plate. The battery is accommodated within the ring. The battery cap is fixed and electrically connected to the ring and covers the battery. The battery cap also electrically contacts with a cathode (202) on a top of the battery. The cathode and anode of the battery are separated by an insulation (206).

An electrical box is mounted on a wall stud, and a wiring panel is installed within the electrical box so as to partition the interior of the electrical box into a user inaccessible wiring compartment and a user accessible module compartment. A protective cover is attached to the wiring panel so as to protect the wiring panel during a makeup phase of wall panel installation and painting. After the makeup phase, the protective cover is removed from the wiring panel and a module having a user operable electrical function is mounted to the wiring panel within the user accessible module compartment.

A track-bearing cabinet fastener comprising: a track holder with a baseplate; a clamping device provided with (a) a clamping box which is securely fixed at the baseplate for development of an accommodating space inside and comprises through slots at both top and bottom sides through which the accommodating space is accessed and two ports at its front side, one of which abuts a hook piece, (b) a clamping block which is held in the accommodating space and resisted by springs and comprises two protruded resisting parts located at its front side and corresponding to the ports, and (c) a clamping plug securely fixed behind the clamping box and the clamping block and closely contacting the springs by which the protruded resisting parts extend into the ports. As such, the track holder can be assembled, positioned and operated easily and safely.

The invention provides a metal-film filtering screen and an air purifying device, and relates to the field of air purification. The metal-film filtering screen is mounted in an air filtering device; the air filtering device is provided with an air inlet and an air outlet; the metal-film filtering screen comprises a medium-efficiency filtering screen and a high-efficiency filtering screen. The medium-efficiency filtering screen more approaches the air inlet relative to the high-efficiency filtering screen; the medium-efficiency filtering screen and the high-efficiency filtering screen both comprise multiple layers of filtering plates; a gap exists between two adjacent layers of the filtering plates; the filtering plates are provided with multiple filtering holes; the filtering plates are made from intermetallic compounds. As the filtering screen is made from a special intermetallic compound, the purification effect is good; a material is quite environment-friendly; moreover, the metal-film filtering screen can be circularly rinsed and repeatedly used; after a client purchases a fresh air ventilator with the filtering-screen material, no any consumable-material expenses exist. In this way, the fussy consumable material replacing action is virtually decreased for the client; meanwhile, the cost is also greatly saved for the client.

The invention provides a four-bit embedded glass curtain window system. The system consists of a section frame, glass and an open window, wherein an upright column and a cross beam are embedded in a cross beam through a double T-shaped cross beam supported bracket to form the section frame of the curtain wall, and the section frame is connected with a main structure through a steel switching part; the cross beam and the upright column section are separated into a plurality of separated components; the double T-shaped embedded cross beam supported bracket is embedded in a cross beam cavity, and is fixed on the upright column; an open hinge slot is arranged on an opening frame, and a hinge shaft on an opening sash is embedded in the hinge slot; the opening sash is separated into an opening sash body which is subject to surface spray treatment and a glass adhesive stick which is subject to surface anodic oxidation treatment; and the glass adhesive stick is embedded and clamped in a section slot of the opening sash body. By the adoption of the four-bit embedded glass curtain window system, the assembly quality of a curtain wall plate and the safety of a curtain wall component are improved; inside assembly of glass can be realized, dependency on scaffolds, construction baskets and other devices and facilities is reduced, and the glass can be changed conveniently in assembling and daily maintaining processes.

A system for transporting and dispensing strap from a reel is provided. The system includes a lifting device and a strap dispensing apparatus. The strap dispensing apparatus includes a base member having first and second sides. The first side of the base member defines at least one channel that is structured to be transportably engaged by the lifting device. The strap dispensing apparatus also includes a frame mounted to the second side of the base member. The frame is structured to rotatably support the reel so that the strap can be dispensed.

The invention provides a separated type switch socket. The separated type switch socket comprises a wiring bottom box and a panel. The wiring bottom box comprises a wiring base and an installing support installed in the wiring base. The wiring base is of a hollow structure. The inner wall of the hollow structure is provided with at least two inserting grooves. Metal contact bodies are hidden in the inserting grooves respectively and are electrically connected with two base wiring ends respectively. The panel comprises a back base connected with an on / off button or a socket hole. The outer side of the back base is provided with at least two exposed metal protruding bodies. The periphery of the on / off button or the periphery of the socket hole is sleeved with an insulation frame. The metal protruding bodies are inserted into the inserting grooves and electrically connected with the metal contact bodies. According to the separated type switch socket, the switch panel or the socket panel is separated from a power supply circuit, and the switch panel or the socket panel can be replaced and maintained safely and conveniently without any tool.

Disclosed is an image forming apparatus which forms an image on a paper including a detection unit to detect a present temperature of one component or a plurality of components to be replaced among components constituting the image forming apparatus and a control unit to determine whether the component is replaceable or not based on the detected present temperature and to execute a replacement guide for the component which is determined to be replaceable.

A system for transporting and dispensing strap (12) from a reel (14) is provided. The system includes a lifting device (16) and a strap dispensing apparatus (18) . The strap dispensing apparatus (18) includes a base member (20) having first and second sides (24a,24b) . The first side (24a) of the base member (20) defines at least one channel (26) that is structured to be transportably engaged by the lifting device (16) . The strap dispensing apparatus (18) also includes a frame (22) mounted to the second side (24b) of the base member (20) . The frame (22) is structured to rotatably support the reel (14) so that the strap (12) can be dispensed.

The invention discloses a fuse protector type disconnecting switch carried with a signaling device in a hanging mode. The fuse protector type disconnecting switch comprises a fuse protector type disconnecting switch body. The fuse protector type disconnecting switch body comprises a base, a handle and a fuse protector with an impactor. The back end of a handle is movably connected with the back end of the base, and the fuse protector is hung on the inner side face of the handle. The signaling device is further connected to the outside of one lateral plate at the front portion of the base, and an ejecting rod connected with the signaling device and arranged on a popup route of the impactor on the fuse protector is further arranged in the base. When the base is closed up through the handle, the signaling device is triggered to send a closing signal. When the fuse protector is fused, the impactor on the fuse protector triggers the ejecting rod to enable the signaling device to send a fusing signal. The fuse protector type disconnecting switch carried with the signaling device in the hanging mode can achieve connection and disconnection through the same signaling device and monitoring of an operation state of the fuse protector, so that the fuse protector type disconnecting switch body is simple in structure. The fuse protector type disconnecting switch can be combined into a double-pole disconnecting switch.

A battery pack includes a first receiving antenna including a first inductor and a first capacitor for receiving electric power from a first resonant magnetic field generated by a power supply source, at least one secondary battery charged by the electric power received by the first receiving antenna, an oscillator for producing radio-frequency power by DC power discharged from the secondary battery, and a transferring antenna including a second inductor and a second capacitor for generating a second resonant magnetic field from the radio-frequency power. A primary surface of the first inductor is parallel to a first plane of the battery pack, and a primary surface of the second inductor is parallel to a second plane of the battery pack. The second plane intersects with the first plane at an angle of a range of between 45° and 90° including 45° and 90°.

The invention discloses an overbreak knife of a tunneling machine. The overbreak knife of the tunneling machine includes a hollow cutterhead and a driver, and the driver is installed in the cutterhead. A base plate is arranged at one end of the cutterhead, and a guide rail sleeve is coaxially installed at the other end of the cutter, wherein both ends of the guide rail sleeve are open. The base plate is detachably connected to one end of the driver, and a knife rod is detachably connected to the other end of the driver, wherein the knife rod is matched with the guide rail sleeve. The knife rodstretches into the guide rail sleeve and can extend and retract in the extension direction of the guide rail sleeve under the drive of the driver. A cutting tool is detachably installed on the kniferod, and an installation opening is arranged on the side surface of the cutterhead for the driver, the knife rod and the cutting tool in and out. The replacement of the overbreak knife can be quicklyrealized, the replacement efficiency of the overbreak knife is improved, the construction cost is reduced, and the construction safety is improved. The invention further discloses a tunneling machineincluding the overbreak knife.

The invention discloses an overbreak knife of a tunneling machine. The overbreak knife of the tunneling machine includes a hollow cutter and a guide rail sleeve, wherein the guide rail sleeve is installed in the cutter and both ends are open. The outer end of the guide rail sleeve stretches out the outer end of the cutter, a knife seat is coaxially arranged in the guide rail sleeve, and the knifeseat can extend and retract in the extension direction of the guide rail sleeve. A cutting tool is detachably installed at the outer end of the knife seat, and a cylinder barrel is installed in the guide sleeve. Protruded pistons are arranged on the periphery of the middle of the knife seat, and the pistons are contacted with the inner wall of the cylinder barrel in a sealing mode. Oil openings for hydraulic oil in and out are formed in the two ends of the cylinder barrels, and an installation opening for the cutting tool in and out is formed in the side surface of the cutter. The cutting toolis taken out from the back side of the cutter without the need for cutting a grotto from the side surface of the overbreak knife. The replacement of the overbreak knife can be quickly realized, the replacement efficiency of the overbreak knife is improved, the construction cost is reduced, and the construction safety is improved. The invention further discloses a tunneling machine including the overbreak knife.

Provided are an inner-posted poster and a manufacturing method thereof. The poster comprises a transparent film, a pattern layer, an adhesive sticker layer and a coloration background layer. The pattern layer is arranged on the transparent film and clings to the coloration background layer through the adhesive sticker layer to enable the pattern layer to be located between the transparent film and the adhesive sticker layer, and the surface of the transparent film is a bonding face. Due to the fact that the structure that the pattern layer is arranged between the transparent film and the adhesive sticker layer is adopted, a picture of the pattern layer is located between the transparent film and the adhesive sticker layer and can be well protected without damage, and the picture can be made easily through a traditional air brushing manufacturing method. The picture is manufactured into a reversed mirror image and is posted on the indoor glass of a glass showcase. Due to the fact that the picture is posted indoors, the inner posting aim is achieved, and the bonding and replacement are conducted safely and conveniently. Due to the fact that bonding is conducted through the surface of the transparent film, the picture is firmly posted, and side warping is avoided. The picture is not in direct contact with the glass, so that glass pollution caused by picture oil ink transfer is avoided.