241results about "Erasing devices" patented technology

The invention discloses a thermosensitive color-changing modifying pen and a color fixing device. The device comprises a modifying pen and a portable color fixing device. A main cavity and an auxiliary cavity which are separated by a partition plate are arranged in a penholder of the modifying pen and are respectively filled with thermosensitive covering ink and colorless fixation accelerant, and a fine fiber pen point and a metal needle tube pen point which are communicated with the penholder are arranged at two ends of the penholder. The portable color fixing device comprises a constant-temperature heating piece, a power supply unit and a control circuit, according to the principle that thermosensitive covering ink changes color under heating to be matched with the base color of the blueprint, fine smearing and controllable heat fixation technologies are combined, rapid, traceless and lossless modification of the engineering blueprint is achieved, and the problems that a traditional modification method is obvious in color difference, the blueprint is damaged, and operation is tedious are effectively solved. The device is easy and convenient to operate and firm in modification effect, and subsequent use of drawings is not affected.

The present invention is a thermochromic writing implement comprising thermochromic ink and a frictional element for thermally altering, via frictional heat, the color of writing made using the thermochromic ink, wherein: a metallic glossy pigment is added to the thermochromic ink; an attachment hole 2 for attaching a frictional element 3 is provided in the thermochromic writing implement; the frictional element 3 comprises an attaching part 5 that is inserted into the attachment hole 2, and a frictional part 32 that projects from the attachment hole 2 and has an convex surface shape; the volume Ve of the frictional part 32 and the volume Vp of the metallic glossy pigment satisfy 5 ≤ Ve / Vp ≤ 35; the maximum outer diameter D of the frictional part 32 and the projecting length L thereof satisfy 0.1 ≤ L / D ≤ 1.5; the value of the Shore A hardness of the material of the frictional element 3 immediately after initiating indenter contact is in a range of 60 to 85, inclusive, as measured according to JIS K 7215 of the Japanese Industrial Standards; and the value (ΔHS) of Shore A hardness, as defined according to the following formula, is at least 0 and less than 5. ΔHS = (Shore A hardness value immediately after initiating indenter contact) – (Shore A hardness value 15 seconds after initiating indenter contact)

To provide an eraser which can be used as a substitute for a touch pen or a stylus pen for directly inputting information to a display of an information equipment terminal, and which can maintain excellent erasability.SOLUTION: The eraser of the present invention includes a continuously extending conductive erasing portion, and a non-conductive erasing portion disposed alongside the conductive erasing portion, in which, on the same side, both a part of the conductive erasing portion and a part of the non-conductive erasing portion are exposed. According to the present invention, it is possible to perform both erasing on paper and inputting information to an information equipment terminal without switching between the eraser and a stylus pen or a touch pen as in the conventional art.SELECTED DRAWING: Figure 1

The present disclosure provides a correction tape, and relates to the technical field of stationery. The correction tape comprises a shell and a rotating assembly. The shell comprises a first support column and a second support column arranged in the shell, and the first support column and the second support column have the same extension direction. The rotating assembly is arranged in the shell. The rotating assembly comprises a first gear and a second gear connected in transmission. The first gear is sleeved on the first support column through an inner hole. The second gear is sleeved on the second support column. A tape core is arranged on the second gear. The rotating assembly is used for outputting the tape core in a first direction. At least one protruding structure is arranged on the hole wall of the inner hole. The protruding structure abuts against the outer wall of the first support column. The protruding structure is used for providing pre-tightening force for the tape core, so as to prevent the tape core from loosening. The correction tape provided by the present disclosure at least partly simplifies the structure of the correction tape, reduces the noise generated during use, prevents the tape core from loosening under the action of external vibration, and improves the user experience.

This utility model discloses a telescopic pressing head for correction tape, relating to the field of correction tape technology. The telescopic pressing head provided by this utility model includes a tape outlet head, with protective plates at both ends. A sliding plate is connected to one side of the tape outlet head, and a first connecting plate is provided on the top of the sliding plate. Rotating shafts are connected to both ends of the first connecting plate, and a second connecting plate is connected to the other end of the rotating shafts. This utility model, by rotating a first rotating rod, causes a third connecting plate to rotate around the first rotating rod, causing a pulley to slide inside a first sliding groove, thereby rotating the second connecting plate and driving the sliding plate to telescopically move. The cooperation of these components results in low friction and low resistance during movement, achieving smooth movement and ensuring stable operation of the correction tape during telescopic and tape-out operations, avoiding damage caused by shaking or misalignment of the exposed tape outlet head.

The utility model relates to a correction tape, in particular to a mute correction tape which comprises an outer shell, a tape winding wheel and a tape unwinding wheel, the tape winding wheel and the tape unwinding wheel are arranged in the outer shell, and the tape winding wheel and the tape unwinding wheel are rotationally connected through a gear set. The non-return ring teeth are formed on the inner wall of the outer shell, the four elastic pieces can rotate in the circumferential direction along with the belt releasing wheel, and non-return teeth which are limited with the non-return ring teeth in a one-way mode are formed at the ends of the elastic pieces. The four elastic pieces with the non-return teeth are arranged to be matched with the non-return ring teeth in a one-way limiting mode, so that reverse rotation of the belt unwinding wheel is effectively prevented, the stability of the belt winding and unwinding process is guaranteed, meanwhile, due to the arrangement of the four elastic pieces, the limiting force is more evenly distributed in the circumferential direction of the belt unwinding wheel, and the belt unwinding effect is better. And the condition of local stress concentration is reduced, so that the belt releasing wheel is more silent when rotating in the forward direction.

The utility model belongs to the technical field of teaching tools, and provides a telescopic eraser which comprises a containing box, a telescopic structure is arranged in the containing box in a sliding mode, self-locking structures are arranged at the two ends of the telescopic structure, an installation structure is connected to the front face of the telescopic structure in an inserted mode, and an eraser is arranged on the front face of the installation structure. The telescopic structure comprises sliding grooves formed in the two ends of the containing box, and a sliding rod is slidably arranged between the two sliding grooves. The self-locking structure comprises rotating grooves formed in the two ends of the sliding rod, T-shaped blocks are rotationally arranged at the ends, away from each other, of the two rotating grooves, clamping blocks are arranged at the front ends of the sides, close to the containing box, of the two T-shaped blocks, and limiting sliding grooves are symmetrically formed in the ends, away from each other, of the two sliding grooves. The problems that according to existing equipment, rotating motion of a rotating component is converted into sliding motion of a connecting component, two elastic pieces at the connecting position are subjected to acting force in two directions, friction loss of the elastic pieces is increased, and the service life of the equipment is shortened are solved.

The invention discloses a lightweight low-friction-resistance TPE eraser material and a preparation method thereof, and relates to the technical field of stationery materials, the lightweight low-friction-resistance TPE eraser material is prepared from the following raw materials by weight: 100 parts of a styrene block copolymer, 100-200 parts of white oil, 20-80 parts of resin, 10-40 parts of a compatilizer, 50-500 parts of a filler, 50-500 parts of lightweight inorganic powder, 0.1-1 part of an antioxidant, 0.1-1 part of a light stabilizer and 1-5 parts of a slipping agent. According to the invention, TPE is taken as a basic carrier, so that the health risk in the processing and using processes of a traditional PVC material is avoided from the source, and the material is especially suitable for sensitive people such as children to use. Meanwhile, the styrene block copolymer and the white oil system which are scientifically proportioned are matched with the interface modification effect of the compatilizer, so that the inorganic filler and the polymer matrix are uniformly dispersed, the mechanical stability of the material is ensured, and the lightweight characteristic that the specific gravity is less than 1 is realized by introducing the lightweight inorganic powder; the problems that a traditional eraser is large in weight and inconvenient to carry are solved.

The utility model discloses an eraser assembly capable of preventing breakage. The eraser assembly comprises an eraser body, an inner shell, an outer shell and a rotary cover. The eraser body is in a column shape, and the eraser body is arranged in the inner shell in a sleeved mode. Rotating shafts are formed on the two sides of the top of the inner shell respectively, and the two sides of the rotating cover are rotationally connected to the two rotating shafts respectively; the side surface of the rotary cover is fan-shaped; the inner shell is movably arranged in the outer shell in a sleeved mode. The eraser assembly has the advantage that the eraser is prevented from being torn or broken easily.

A multi-core writing implement (1) in which a plurality of writing bodies (2) is stored inside a shaft cylinder (9), the multi-core writing implement including a retractable mechanism that selectively protrudes and retracts one of the writing bodies (2) through a front-end opening (9H) provided at one end in a lengthwise direction of the shaft cylinder (9), the writing bodies (2) including at least one thermochromic writing body (2A) in which a reversibly thermochromic ink composition is stored and at least one non-thermochromic writing body (2C) in which a non-thermochromic ink composition is stored, the non-thermochromic ink composition being an oil-based ink composition that includes a pigment, a friction member (10) being provided at the other end in the lengthwise direction of the shaft cylinder (9).

To provide a coating film transfer tool capable of sharing all components other than a transfer tape between transfer tapes having different tape widths.SOLUTION: There is provided a coating film transfer tool in which at least two types of leading end regulating portions for regulating the movement of a transfer tape and / or a base tape in a tape width direction are provided on or near a transfer head. The at least two types of leading end regulating portions have different regulation widths for regulating the movement of the transfer tape and / or the base tape in the tape width direction. The leading end regulating portion through which the transfer tape and / or the base tape pass is different depending on whether it is in contact with a route forming portion or not.SELECTED DRAWING: Figure 1

To provide a dispenser having a configuration capable of protecting a head portion and allowing a user to easily view the head portion in a usage position in which the head portion is exposed.SOLUTION: The transfer tool, which is a dispenser, is equipped with a three-dimensional head cover B that protects the head portion, the transfer head W. The head cover B can move so as to be out of phase with respect to a transfer tool body A in at least the lateral direction in plan view, thereby adopting a usage position (U) in which the transfer head W is exposed. The head cover B is provided so as to be rotatable laterally relative to the transfer tool body A.SELECTED DRAWING: Figure 1

To provide a coating film transfer tool having a simple structure, preventing the generation of sound, and having a reversing prevention mechanism with a very small rewinding amount of a transfer tape.SOLUTION: The coating film transfer toll includes a shaft member with an anti-reverse claw. The anti-reverse claw of the shaft member engages with a ratchet gear of the core (delivery core and / or take-up core). The shaft member is moved by the rotation of a rotating shaft portion while being in contact with the rotating shaft portion that interlocks with the core. When the core is reversed, the shaft member moves and the ratchet gear engages with the anti-reverse claw to prevent the core from being reversed. When the core rotates forward, the shaft member moves and the engagement between the ratchet gear and the anti-reverse claw is released.SELECTED DRAWING: Figure 1

The application provides a cleaning device, which comprises a rubber part, a cleaning module, a driving module and a collecting part. The rubber part is movably arranged. The cleaning module comprises a cleaning part and a collecting part. The cleaning part is arranged in abutment with the rubber part to clean the rubber part when the rubber part moves. The collecting part comprises a collecting bag for collecting debris. An opening of the collecting bag is arranged opposite to the cleaning part. The driving module is movably arranged and connected with the rubber part and the cleaning module to drive the rubber part and the cleaning module to move. With the above arrangement, the rubber part cleans the traces on the paper surface, and the cleaning part cleans the surface of the rubber part at the same time to remove the rubber crumbs and lead stains on the surface of the rubber part. The debris such as the rubber crumbs generated in the cleaning process can enter the collecting bag through the collecting part, and the cleanliness of the paper surface is further ensured. The technical problem that the rubber cannot be cleaned in time when the rubber is used is solved.

The invention discloses a foamed light-weight TPE eraser material and a preparation method thereof, and relates to the technical field of stationery, and the foamed light-weight TPE eraser material is prepared from the following raw materials in parts by weight: 100 parts of styrene block copolymer, 100-200 parts of white oil, 20-80 parts of resin, 10-40 parts of compatilizer, 150-700 parts of filler, 0.1-1 part of antioxidant, 0.1-1 part of light stabilizer, 1-5 parts of slipping agent and 8-20 parts of foaming agent. By accurately controlling the foaming temperature and process, a uniform and stable foam structure is formed in the material, so that the overall weight of the product is reduced, the portability is improved, the negative influence of foaming on the strength and elasticity of the material is avoided, the light weight and durability are both considered, and the requirements of consumers on light weight and good use of stationery are met.

A magnetic eraser comprises a shell 1 which is provided with an adsorption surface 3; the rubber piece 2 is connected with the shell 1; a lifting assembly 4 and a magnetic unit 7; the lifting assembly 4 is movably connected with the shell 1 and comprises a bearing part 401 and a linkage part 402. The magnetic unit 7 is connected with the bearing part 401 and can move along with the bearing part 401, and the linkage part 402 is operated to enable the magnetic unit 7 to be close to or away from the adsorption surface 3, so that the adsorption surface 3 is magnetized or demagnetized. According to the magnetic eraser, the adsorption face is arranged on the shell, the lifting assembly is arranged, the magnetic unit can be driven to be close to or far away from the adsorption face by operating the lifting assembly, so that the adsorption face is magnetized and demagnetized, the adsorption face can collect eraser crumbs, or the adsorption force of the adsorption face to the eraser crumbs is lost or weakened, and the eraser crumbs are prevented from being damaged. And finally, the purpose of quickly cleaning the eraser scraps is achieved.

To provide a plastic eraser that not only has excellent erasability and generates eraser dust easily, but also excels in both lightness of eraser feeling and degree of accumulation of eraser dust, which was difficult to achieve at the same time.SOLUTION: A plastic eraser containing at least a vinyl chloride resin, a plasticizer, spherical particles, and an acrylic thermoplastic elastomer as a base resin has an erasability that can erase writing lines, which is the original performance of the eraser, and not only produces good erasing dust when erasing characters, but also achieves both a light erasing feeling and a degree of accumulation of erasing dust.SELECTED DRAWING: None

A holder for utilities, for a metal whiteboard, includes a cover plate, which on a side hidden when in use, is provided with one or more supports, at least one of the free ends of which is provided with a magnet to be able to place the holder in a desired position on the whiteboard and whereby the cover plate on the same side hidden when in use, is provided with a brush with bristles made of an elastic polymer, said bristles being oriented with the bristle tops diagonally or perpendicularly to the surface of the whiteboard, whereby the edge of the cover plate shows a recess, the shape of which is complementary to the shape of a board eraser that can be positioned against the recess.

An attachment structure in a writing tool provided with a first component and a second component inserted into an insertion hole provided at an end of the first component. The second component is provided with a small-diameter part, a large-diameter part provided in front of the small-diameter part, and a first outer step part provided between the small-diameter part and the large-diameter part. The insertion hole is provided with a small-diameter hole part and an inner step part provided in front of the small-diameter hole part. The small-diameter part is inserted or loosely inserted into the small-diameter hole part. The first outer step part contacts the inner step part. The small-diameter hole part is provided with a barb part protruding from an inner surface of the small-diameter hole part. The barb part is deformable when contacting the small-diameter part during insertion of the second component.

The invention relates to the technical field of office stationery, in particular to a rotary tape-out correction tape which comprises a base, a winding and unwinding mechanism, a tape body and a pen container, an adjusting cylinder and a support protruding forwards are arranged at the front end of the base, and a tape-out pressing nozzle is arranged at the front end of the support; the winding and unwinding mechanism and the belt body are arranged in the base, the two ends of the pen container are open and movably arranged outside the adjusting cylinder, the support and the belt outlet pressing nozzle in a sleeving mode, a spring and a protruding shoulder used for supporting the spring are arranged in the pen container, the two ends of the spring abut against the protruding shoulder and the adjusting cylinder respectively, and one of the inner side wall of the pen container and the outer side wall of the adjusting cylinder is provided with an inclined groove. When the pen container rotates relative to the adjusting cylinder, the pen container can be driven to retract relative to the base to enable the tape outlet pressing nozzle to be exposed or stretch out to enable the tape outlet pressing nozzle to be stored in the base through the cooperation of the inclined groove and the protrusion and the elastic force of the spring, use is convenient, a cover cap can be omitted, and use is convenient. And when not in use, the tape outlet pressing nozzle can be hidden so as to avoid mistaken coating or pollution of the tape body.

To provide a transfer tool that preferably suppresses at least the problem that the torque value of a slip clutch tends to vary from one individual to another due to variations in molded products or the like.SOLUTION: The transfer tool includes an elastic displacement portion Q in which a slipping clutch S constituting a reel interlocking mechanism E is provided in a delivery gear M, which is a first rotating member, and is configured to be elastically displaceable in a direction crossing an axis cn of a common shaft, and a protruding portion c3 provided on a feeding reel C, which is a second rotating member, and capable of pressing the elastic displacement portion Q. The protruding portion c3 constituting the pressing portion is provided with a pointed portion v, which is a point-like contact portion that makes point-like contact with a pressed surface U formed on the elastic displacement portion Q in a cross-sectional view in the direction of the axis cn.SELECTED DRAWING: Figure 9

The rotation stopping mechanism comprises a large gear and a tray, the tray is rotationally connected with a shell, a groove is formed in the center of the large gear, the tray is embedded into the groove, a resistance rotation stopping part is arranged on the side wall of the groove, a first pawl is arranged on the side wall of the tray, and a second pawl is arranged on the side wall of the first pawl. And the first pawl is in contact with the resistance rotation stopping part. Compared with the prior art, the first pawl and the resistance rotation stopping part are matched with each other, the tray can drive the large gear to rotate together when supplying a film belt in a rotating mode, the small gear is driven to rotate through the transmission gear, the small gear rotates to wind the film belt, the structure is simpler, the tray and the large gear are matched more firmly, and the film belt can be wound more stably. And disassembly and assembly are more convenient and faster.

A multi-core writing instrument (1) in which a plurality of writing bodies (2) are housed in a shaft tube (9) is provided with an expansion / contraction mechanism capable of selectively expanding / contracting one of the plurality of writing bodies (2) from a tip opening (9H) provided at one end in the longitudinal direction of the shaft tube (9), the plurality of writing bodies (2) comprise: at least one thermochromic writing body (2A) containing a reversible thermochromic ink composition; and at least one non-thermochromic writing body (2C) in which a non-thermochromic ink composition is accommodated, the non-thermochromic ink composition being an oil-based ink composition containing a pigment, and a friction member (10) being provided at the other end of the shaft tube (9) in the longitudinal direction.

The utility model relates to a coating film transfer printing tool, which comprises a shell, the coating assembly comprises a base, a plurality of reels, a clamping piece, a transfer printing head and a film coating belt, and the coating assembly is assembled on the shell; one end of the auxiliary component is pivoted to the shell and can be pivoted to the upper part or the lower part of the shell; the transfer printing device has three use states, when the transfer printing device is not used, the auxiliary assembly is located at the horizontal position so as to protect the transfer printing head from being damaged by external force, or a coating film of the coating film belt is prevented from being carelessly adhered to an object beside when the transfer printing head is carried and shaken; when the auxiliary assembly is pivoted to the top of the shell, the holding comfort and the force applying force can be improved; when the auxiliary assembly is pivoted to the bottom of the shell, a better and fixed film coating angle can be provided by using the auxiliary assembly for supporting, so that a stable, consistent and high-quality film coating effect can be achieved for a user.

To provide a film transfer tool that reduces user fatigue and makes operation easier. [Solution] The present invention provides a film transfer tool comprising: a transfer assembly for transferring a film; a case having a first covering material in which the transfer assembly is provided, the first covering material having a first end from which the transfer assembly protrudes and a second end which is the other end opposite to the first end; and a curved segment that is flexibly connected to the second end of the first covering material and is flexible relative to the first end of the first covering material. With the present invention, the user can extend the travel distance of the film transfer tool by bending the curved segment relative to the first end of the first covering material simply by pulling the film transfer tool without moving the forearm, thereby reducing user fatigue and making it easier to operate.

The invention provides automatic correction tape assembling equipment and method.The correction tape comprises a lower shell, a first gear, a second gear, a third gear, a tape core and a tape head, the outer diameter of the first gear is larger than that of the third gear, and the outer diameter of the third gear is larger than that of the second gear; the automatic correction tape assembling equipment comprises an automatic gear assembling device, an automatic tape core assembling device and an automatic tape head assembling device. The automatic gear assembling device is configured to automatically install the first gear and the second gear on the lower shell of the correction tape. The belt core automatic assembling device is used for automatically installing the belt core on the lower shell provided with the first gear and the second gear. The belt head automatic assembling device is used for automatically installing the third gear and the belt head on the lower shell provided with the belt core.

Devices for writing and dry erase marker(s) with integrated eraser(s), insert(s) associated therewith, and a method for making and / or using the same can be provided. The device can include a body comprising an aperture and a release button, and a plunger cartridge assembly provided in the body. The plunger cartridge assembly can be configured to be deployed through the aperture and retracted by pressing the release button. The plunger cartridge assembly can also be removable from the body by pressing the release button when in a retracted position.