Abstract: A writing implement has a barrel provided with a separate front cap or a front cap formed integrally with the barrel, a writing member placed in the barrel, pushed constantly backward by a return spring and capable of axially sliding in the barrel, and a stylus mechanism.

Abstract: A cap fixing structure is provided, which is excellent in operability and can be easily assembled. An outer shaft barrel to be fixed with a clip is formed on the outer peripheral surface with an opening, and inside the outer shaft barrel, there is fixedly disposed a clip spring having an elastically displaceable elastic piece portion. The clip comprises a clip main body disposed outside of an outer shaft barrel, and a base portion to enter into the outer shaft barrel from the opening formed in the outer shaft barrel. The base portion of the clip is stopped from being fell out of the opening by the clip spring with elastically contacting the elastic piece portion of the clip spring inside said fixed member so that the clip is fixed to the fixing member. The clip displaces the elastic piece portion so as to be rockable relative to the outer shaft barrel.

Abstract: A composite writing tool wherein when the rear shaft is rotated relative to a front shaft, a cam sleeve rotates with the rear shaft, and the relative rotation occurring between the cam sleeve and the front shaft and an intermediate shaft causes one of writing shafts guided in the axial direction by the intermediate shaft to be selectively held in a protruding position, and when a knock sleeve is knocked, the cam sleeve is knocked to advance a lead of the writing shaft protruded by the cam sleeve. The rear part of the intermediate shaft is inserted into the cam sleeve, and engaging pieces of the rear part of the intermediate shaft penetrate a through hole formed in a perpendicular engaging wall formed in a tail cap fastened to the rear end of a rear shaft, and are engaged with the through hole. The cam sleeve and the knock sleeve are linked to each other through a recess elsewhere than the through hole in the engaging wall.

Abstract: The liquid container includes a body for having a tank portion housing a liquid, and having a supply port on a tip end side, a piston for moving forward inside the tank portion, a piston rod connected with the piston and extending rearward, a manipulating cylinder rotatably mounted to a rear portion of the body, and a rotation stopping cylinder unrotatably disposed in a rear inner portion of the body. A conversion mechanism for converting relative rotation between the manipulating cylinder and the body into movement of the piston rod in an axial direction with respect to the body is provided between the manipulating cylinder and the rotation stopping cylinder, and a rotating direction restricting mechanism for restricting the rotating direction of the manipulating cylinder and the body to one direction is provided.

Abstract: An instrument includes a holder for holding a medium, a cap capable of covering a tip end portion of the medium, and a knock member provided to be capable of knocking to attach and detach the cap. The cap is connected to the knock member via a rotational transform mechanism. The rotational transform mechanism advances the cap in accordance with one knock of the knock member in the axial direction, the rotational transform mechanism rotates the cap around an axis parallel to the axial direction, then retreats the cap, so that the state in which the cap covers the tip end portion of the medium and the state in which the cap allows the tip end portion of the medium to be exposed are switchable for each knock of the knock member.

Abstract: A composite writing tool wherein when the rear shaft is rotated relative to a front shaft, a cam sleeve rotates with the rear shaft, and the relative rotation occurring between the cam sleeve and the front shaft and an intermediate shaft causes one of writing shafts guided in the axial direction by the intermediate shaft to be selectively held in a protruding position, and when a knock sleeve is knocked, the cam sleeve is knocked to advance a lead of the writing shaft protruded by the cam sleeve. The rear part of the intermediate shaft is inserted into the cam sleeve, and engaging pieces of the rear part of the intermediate shaft penetrate a through hole formed in a perpendicular engaging wall formed in a tail cap fastened to the rear end of a rear shaft, and are engaged with the through hole. The cam sleeve and the knock sleeve are linked to each other through a recess elsewhere than the through hole in the engaging wall.

Abstract: In a stick-like object receiving member having safety precautions, which receives a stick-like object, a sufficient air passage is secured without exerting an influence on the size of the stick-like object or the receiving member. An eraser receiving member 16, which is the stick-like object receiving member, includes a cylindrical side portion 16b which engages with at least a part of the outer peripheral surface of an eraser 13, and surrounds at least a part of the outer peripheral surface of the eraser 13, and a bottom portion 16a which closes one end of the cylindrical side portion 16b. A slit 16e is formed in the cylindrical side portion 16b and bottom portion 16a so as to penetrate the cylindrical side portion 16b and bottom portion 16a in the axial direction, and the slit 16e serves as an air passage.

Abstract: A mechanical pencil includes a barrel, a lead feeding mechanism disposed in the barrel to tighten and feed a lead, and a lead holder disposed between the lead feeding mechanism and a tip end of the barrel. The lead holder includes a through hole through which the lead penetrates, holding portions for holding the lead, and a contact portion for contacting an inner peripheral face of the barrel. The holding portions include a first holding portion at a front portion of the lead holder and a second holding portion at a rear portion of the lead holder. When a length of the lead becomes shorter than a distance between the lead feeding mechanism and the tip end of the barrel, the first holding portion holds the short lead and the second holding portion holds a next lead tightened by the lead feeding mechanism.

Abstract: A rotary bar-projecting mechanism for a push-button implement comprises: a first bar held axially slidably in a barrel, an operating means capable of making the first bar project from the front end of the barrel when pushed, a tail cap fixed to the barrel and internally provided with a counter rib, a push button capable of being turned relative to the tail cap and provided with a push rib that is aligned with the counter rib of the tail cap when the push button is at a predetermined angular position, and a second bar held in the push button, capable of being projected from the back end of the push button when the push button is turned, and restrained from turning.

Abstract: In a cartridge type stationery product including a body and a cartridge attachable to and detachable from the body, the cartridge is capable of being inserted from an opening of the body, a locking groove is formed on the body, and a locking protrusion which is inserted into the locking groove is formed on the cartridge, and the locking groove is constructed by a first groove portion extending in an axial direction from a vicinity of the opening, and a second groove portion extending from the first groove portion to form an angle with the first groove portion.

Abstract: To provide a container that can be easily configured and has good operability when opened and closed with one hand. The container includes a container body having an opening, and a lid body that can open and close the opening of the container body, wherein the container body has, near the opening, a journaling portion that supports the lid body rotatably around an axis orthogonal to an opening surface of the opening, while the lid body has a journaled portion that is journaled by the journaling portion, and a lid portion, and the lid body rotates around the journaling portion to allow the lid portion to move to a position for covering the opening and a position for exposing the opening.

Abstract: A rotary bar-projecting mechanism for a push-button implement comprises: a first bar held axially slidably in a barrel, an operating means capable of making the first bar project from the front end of the barrel when pushed, a tail cap fixed to the barrel and internally provided with a counter rib, a push button capable of being turned relative to the tail cap and provided with a push rib that is aligned with the counter rib of the tail cap when the push button is at a predetermined angular position, and a second bar held in the push button, capable of being projected from the back end of the push button when the push button is turned, and restrained from turning.

Abstract: In a liquid container, it is made possible to store liquid that is overflowed by fluctuations in atmospheric pressure and thereby to prevent liquid leaks, and the whole quantity of the stored liquid is enabled to be used. The liquid container is provided with a body having a main tank in which liquid is stored; a supply outlet, located toward the tip of the body, for supplying the liquid; a guiding portion connecting the main tank and the supply outlet to guide the liquid from the main tank to the supply outlet; and a liquid reservoir having an air flow port communicating with the exterior and a liquid flow port communicating with the main tank or the guiding portion and an overflowing liquid flow path for storing liquid overflowing the main tank. The liquid is stored farther away from the supply outlet than the liquid flow port.

Abstract: A composite writing implement is capable of being used as a ball-point pen, a mechanical pencil or a stylus pen. The composite writing implement includes a barrel, a pencil lead feeder unit axially slidably placed in a front part of the barrel, a ballpoint refill unit disposed behind and coaxially with the pencil lead feeder unit in a back part of the barrel and including a ballpoint refill case and a ballpoint refill fixedly held in the ballpoint refill case, a rotary cam operatively connecting the ballpoint refill case and the pencil lead feeder unit, and a cap put on the ballpoint refill case so as to cover the ballpoint tip of the ballpoint refill, provided with a stylus tip, capable of being used as a stylus and means for turning the rotary cam through the ballpoint refill case to make the pencil lead feeder feed a lead.

Abstract: A knock-type liquid container includes a body having a tank that holds a liquid, and an outlet provided at a forward end, a piston in the tank, and a piston-advancing mechanism having a knocking body that projects rearwardly of the body for advancing the piston forwardly when the knocking body is knocked in an axial direction of the container. A rearward end surface of the rear cap that forms a rear end surface of the container, except the knocking body is not normal to the axial direction, but makes an angle other than an approximate right angle with the axial direction. A distance between a rear end surface of the knocking body at a non-knocking position and a rearmost portion of the rearward end surface of the container, except the knocking body, is less than a stroke of the knocking body required for advancing the piston.

Abstract: In a stick-like object receiving member having safety precautions, which receives a stick-lik object, a sufficient air passage is secured without exerting an influence on the size of the stick-like object or the receiving member. An eraser receiving member 16, which is the stick-like object receiving member, includes a cylindrical side portion 16b which engages with at least a part of the outer peripheral surface of an eraser 13, and surrounds at least a part of the outer peripheral surface of the eraser 13, and a bottom portion 16a which closes one end of the cylindrical side portion 16b. A slit 16e is formed in the cylindrical side portion 16b and bottom portion 16a so as to penetrate the cylindrical side portion 16b and bottom portion 16a in the axial direction, and the slit 16e serves as an air passage.

Abstract: It is a clip attaching structure wherein the cost can be reduced, and the appearance is excellent, and furthermore, the spring action is good. The clip is made of a thin plate metal material, and has a base part to be inserted into an outer sleeve and a main body part to be extended outside the outer sleeve, and the main body part has an approximately U-shaped cross section made by bending downward both sides of the thin plate, and between the base part and the main body part, a closing part for closing the rear end opening of the inner sleeve is provided. The main body part side of the closing part has an approximately U-shaped cross section made by downward bending both sides thereof and the approximately U-shaped cross section from the main body part is continued, and the base part side of the closing part is shaped like a plate, and the downward bent portion of both sides of the closing part is inserted into the inner sleeve when the clip is not swung.

Abstract: A composite writing implement is capable of being used as a ball-point pen, a mechanical pencil or a stylus pen. The composite writing implement includes a barrel, a pencil lead feeder unit axially slidably placed in a front part of the barrel, a ballpoint refill unit disposed behind and coaxially with the pencil lead feeder unit in a back part of the barrel and including a ballpoint refill case and a ballpoint refill fixedly held in the ballpoint refill case, a rotary cam operatively connecting the ballpoint refill case and the pencil lead feeder unit, and a cap put on the ballpoint refill case so as to cover the ballpoint tip of the ballpoint refill, provided with a stylus tip, capable of being used as a stylus and means for turning the rotary cam through the ballpoint refill case to make the pencil lead feeder feed a lead.

Abstract: A mechanical pencil, includes an external cylinder, a lead delivery mechanism disposed in the external cylinder, the lead delivery mechanism having a lead-fastening chuck which fastens a lead and moves back and forth in the external cylinder to deliver the lead toward a front end of the external cylinder, a lead holder disposed before the lead delivery mechanism in the external cylinder to gently hold a lead, and a guide member arranged between the lead-fastening chuck and the lead holder in the external cylinder and always urged backwardly toward the lead-fastening chuck to protect a lead portion between the lead-fastening chuck and a lead holding portion of the lead holder.

Abstract: It is a clip attaching structure wherein the cost can be reduced, and the appearance is excellent, and furthermore, the spring action is good. The clip is made of a thin plate metal material, and has a base part to be inserted into an outer sleeve and a main body part to be extended outside the outer sleeve, and the main body part has an approximately U-shaped cross section made by bending downward both sides of the thin plate, and between the base part and the main body part, a closing part for closing the rear end opening of the inner sleeve is provided. The main body part side of the closing part has an approximately U-shaped cross section made by downward bending both sides thereof and the approximately U-shaped cross section from the main body part is continued, and the base part side of the closing part is shaped like a plate, and the downward bent portion of both sides of the closing part is inserted into the inner sleeve when the clip is not swung.