Abstract: A cartridge-type electronic pen main body includes a conductive center electrode and a peripheral electrode disposed around the center electrode. The peripheral electrode includes a tapered part on a pen tip side and a cylindrical shaped part on an opposite side along an axial direction. When the cartridge-type electronic pen main body is in use, one end of the center electrode forming a pen tip is projected to the outside from an opening of a cylindrical housing of an electronic pen, and a portion of the tapered part of the peripheral electrode is also projected to the outside such that both the one end of the center electrode and the portion of the tapered part of the peripheral electrode are projected beyond a distal end of the cylindrical housing to capacitively couple with a sensor surface while the cylindrical shaped part of the peripheral electrode remains within the cylindrical housing.

Abstract: A cover for a vape pen has a cylindrical body having a closed and an open end, a length substantially shorter than a vape pen to be covered, an outside diameter, and an inside diameter greater than an outside diameter and dimensions of a mouthpiece of the vape pen to be covered, a pocket clip affixed to the outside diameter, aligned in a direction of the length of the cylindrical body, and directed such that in use the closed end of the cylindrical body is uppermost, and an insert affixed to the inside diameter of the cylindrical body, around a circumference of the inside diameter, the insert presenting a plurality of flexible protuberances each of a length less than a radius of the cylindrical body, with each directed radially inward from the inside diameter of the cylindrical body.

Abstract: A fountain pen comprises a hollow barrel such as can be held by a user, a nib stably attached to one end of the hollow barrel, also an ink cartridge housed internally of the hollow barrel and having a given containment volume. The cartridge is connected to the nib by way of a feed through which ink flows to the nib, and deformable by expanding at least partially between a normally undeformed first configuration, and a deformed second configuration in which the containment volume created internally is greater than the containment volume in the undeformed configuration.

Abstract: A structure for mounting a clip for a writing implement which has a barrel extending along a longitudinal axis. The structure includes a fastening member made of plastic material integral with the barrel and having a proximal wall and a distal wall with respect to the barrel, the proximal and distal walls being arranged opposite each other and overall extending in substantially parallel respective planes in order to form between them a recess having an open insertion end. The clip includes a fastening portion having a substantially uniform thickness and is suitable for mounting in the recess by the open insertion end.

Abstract: An applicator cap is closed on the front side and opening on the rear side, covering an applying part provided in the front end of a barrel cylinder of an applicator, from the rear-side opening, and detachably fitted on the barrel cylinder so as to be able to seal and keep the surrounding space of the applying part airtight, and includes a holding portion formed such that the middle part of the cap with respect to the axial direction is smaller in outside diameter than the front end with respect to the axial direction.

Abstract: An improved fountain pen (1) comprises a hollow barrel (2) with a longitudinal central axis of extension (X), a nib (3) located at a first longitudinal end (2a) of the barrel (2), an ink reservoir (4) located inside the barrel (2) and designed to feed the ink to the nib (3), a piston (5) able to move axially along the central axis (X) to create a vacuum inside the ink reservoir (4); the ink reservoir (4) also comprising a sac (6) made of deformable material.

Abstract: In general, this disclosure relates to a pen housing mechanism, comprising at least one locking collar provided on a pen body configured to receive a pen cap, specifically a pen cap having a plurality of inset “balls” that engage channels within the locking collar. In one form, the “balls” are fit into voids drilled or otherwise provided in a portion of the pen cap and press fit, or otherwise attached, thereto. In one form, a compression spring is provided, which biases the “balls” into a locking portion of the channel.

Abstract: An apparatus comprises a body that extends longitudinally between a top end and a bottom end, an elongate slot disposed in an outer surface of the body and having first and second spaced-apart detents, and a cap disposed coaxially around the body and having a cut therein that defines an elongate arm. The elongate arm has an inwardly-oriented protrusion configured to engage the detents of the slot. The cap is slidable along the body such that the inwardly-oriented protrusion slides along the slot until it detachably engages a detent, thereby retaining the cap in either a closed position that covers the bottom end or an open position in which the bottom end is exposed.

Abstract: A writing instrument includes a shell, an ink reservoir disposed in the shell and a writing tip section that is provided on the shell from which ink from the ink reservoir is applied to a substrate. The writing tip section includes a writing tip and an ink feed assembly for delivering ink from the ink reservoir to the writing tip through capillary action. The writing tip is flexible and a flexible cover with the shape of a fountain pen nib is provided for supporting the flexible writing tip.

Abstract: In the cosmetic storage type applicator having a structure for supplying a cosmetic to an applying part from the interior of a barrel cylinder, a cap removably attached to the front part of the barrel cylinder for covering the applying part and plastic mouthpiece is provided; an inner sleeve having a tapered inside diameter toward the front end is arranged inside the body of cap and integrally formed with the cap body; and the inner peripheral surfaces and from the inner sleeve to the cap body are formed with a smooth surface without any step.

Abstract: A writing instrument comprises a substantially tubular body extending between a top and a writing end, and an elongate slot disposed in an outer surface of the body and having a detents defined at each end of the slot, and a tubular open-ended cap disposed coaxially around the body and having a cut defining an elongate arm connected to the cap at one end and having an inwardly-oriented protrusion at another end and sized to engage the detents of the slot. The cap is slidable along the body such that the inwardly-oriented protrusion slides along the slot until it engages a detent at an end of the slot thereby arresting the cap either in a closed position, in which the cap covers the writing end, or in an open position in which the writing end is exposed.

Abstract: A precision cutter is disclosed. The cutter is curvilinear in shape, and has an elongated handle with a blade projecting from the top end thereof, and a cap adapted to fit over the blade, the cap being so configured that when in place covering the blade, it provides the appearance of a unitary piece to the cutter. The handle has a weight positioned in it eccentric to the central axis thereof, so that when rolled on a flat surface the handle consistently returns to the same position relative to the flat surface.

Abstract: A writing implement that includes a writing body extending from an end; a writing tip integral with the writing body, and a removable cap that covers the writing tip in a coupled position of the cap with the writing body, the cap having a bottom, a tubular wall that extends along a central axis between a first end that joins with the bottom and a second end that defines an axial opening, the tubular wall has an inner surface on which protrusions are capable of holding the cap by engagement with the writing body in the coupled position, where the inner surface of the cap has at least one groove arranged between two of the protrusions and extends to the second end of the tubular wall.

Abstract: The outer surface of an inner cap 3 is fixedly secured to the inner surface of an outer cap 4. In the opened end portion of the inner cap 3, there is formed a rear end shell portion 31 which projects backwardly. On the outer peripheral surface of the rear end shell portion 31, there is provided a ring-shaped outward facing seal portion. In the front end portion of a barrel 6, there is formed a front end shell portion 61 projecting forwardly. In the inner peripheral surface of the front end shell portion 61, there is formed a ring-shaped inward facing seal portion. When a cap 2 is mounted on the pen tip 8 side of the barrel 6, the outward facing seal portion can be closely contacted with the inward facing seal portion in the radial direction.

Abstract: A covering element (1) for manual-use articles such as pens, felt-tip pens, correction fluids and the like, comprises a case (3) adapted to receive a respective article (2) by insertion. The covering element (1) further comprises coupling means to ensure engagement of the covering element (1) with the respective article (2). Advantageously, the covering element is also provided with abutment means (5) associated with the case (3) to cause shifting of the covering element (1) between a coupled condition and a released condition, by effect of at least one manual action. The abutment means (5) consists of respective abutment surfaces (7, 9) protruding from the case (3) to enable a manual thrust to be exerted on the covering element (1).

Abstract: An airtight cap structure is provided, in which the number of parts is not increased, and moreover, a design property can be given, and air-tightness can be secured. A cap is configured by two-color molding of a soft portion comprised of an elastic soft resin, and a hard portion comprised of a hard resin, and in a state in which the cap is attached to a main body, the use end portion is inserted into the elastic soft portion to mare a direct contact to be sealed, and at the same time, the surface of the tip end portion of the main body is brought into contact with the soft portion, thereby securing air-tightness of a refill.

Abstract: A pen includes a shank that has a reservoir and an applicator tip for an application fluid that includes a solvent that is volatile at room temperature. The pen also includes a closure cap that is fitted onto the shank. The closure cap has a cavity that accommodates the applicator tip. The closure cap includes a storage chamber for accommodating a sacrificial liquid that is volatile at room temperature. The closure cap also has a connecting channel that communicates with the storage chamber and the cavity.

Abstract: A writing implement includes a shaft part that holds a stylus and a cap, which can be screwed onto the shaft part in order to cover the stylus from an initial position of engagement up to a final position. A resistance against the screwing on, which is greater than the resistance when screwing on from the initial position of engagement up to an intermediate position, acts upon the cap when screwing on the cap from the intermediate position, which is located between the initial position of engagement and the final position, until reaching the final position.

Abstract: A pen cap and a pen barrel coupling structure provides the pen cap formed in hollow to hold a magnet and an opening at one end and the pen barrel couplable with the opening of the pen cap and having a metal element attractable to the magnet. The pen cap and pen barrel have respectively a first coupling portion and a second coupling portion that correspond to and engageable with each other. The first and second coupling portions form a first coupling position to allow the magnet and metal element attracting to each other to form an anchor condition, and a second coupling position to separate the magnet and metal element to release the anchor condition. Thus by moving the pen cap against the pen barrel to the second coupling position, the pen cap can be separated from the pen barrel to make use of the pen easier.

Abstract: A marking device includes at least one writing instrument and a cap. The cap defining a writing instrument receiving portion and a sheet dispensing portion. The writing instrument receiving portion is inseparable from the sheet dispensing portion. A substantially flat stack of sheet material is releasably retained in the dispensing portion.

Abstract: The invention relates to a writing implement with a shaft part (1, 2) that holds a stylus (4) and with a cap (10, 12), which can be screwed onto the shaft part in order to cover the stylus from an initial position of engagement up to a final position. A resistance against the screwing on, which is greater than the resistance when screwing on from the initial position of engagement up to an intermediate position acts upon the cap when screwing on the cap from the intermediate position, which is located between the initial position of engagement and the final position, until reaching the final position.

Abstract: A pen with a rotatable cap is described. The pen comprises a pen barrel, a writing tip and a cap. The pen barrel includes a front end and a rear end, wherein at least one rotation axle protrudes and is set on an outer surface of the pen barrel, and the rotation axle comprises a pillar and a flange connected on an outer end of the pillar. The writing tip is located on the front end of the pen barrel. The cap comprises at least one slide track extending downwards from one side of the cap, and the cap may be put on the front end or the rear end of the pen barrel, wherein a slide is set in the slide track, the slide includes a slide area and a rotation area in contact with each other, and the rotation area is at a terminal point of the slide, wherein the pillar of the rotation axle of the pen barrel is put and can be slid in the slide, and the pillar is rotatable only in the rotation area of the slide.

Abstract: A airtight cap structure is capable of coming into close contact with a tip to be used and securing airtightness, even if the tip might be inserted in the cap with having a relative angle or offset between the cap and the tip. A cap comprises an outer cap and an inner cap arranged in the outer cap. The inner cap is mounted to the outer cap so that the inner cap can incline relative to the central axial line of the cap, and the cap comes into close contact with the tip or its periphery when the cap covers the tip.

Abstract: A covering element (1) for manual-use articles such as pens, felt-tip pens, correction fluids and the like, includes a case (3) adapted to receive a respective article (2) by insertion. The covering element (1) further includes a coupler to ensure engagement of the covering element (1) with the respective article (2). Advantageously, the covering element is also provided with an abutment element (5) associated with the case (3) to cause shifting of the covering element (1) between a coupled condition and a released condition, by effect of at least one manual action. The abutment element (5) consists of respective abutment surfaces (7, 9) protruding from the case (3) to enable a manual thrust to be exerted on the covering element (1).

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: A marking implement for marking activities such as marking of a drill hole or indicating a cutting/sawing edge, and includes a marking pen having a pen housing and an application reservoir held in a axially fixed manner therein and a protective cap with an elongate interior for partially accommodating the marking pen. The marking pen has a gripping region and, adjoining it, a thinner neck region, on which a nib is formed at the free end. The cap has an interior section for partially accommodating the gripping region and a narrower interior section for accommodating the neck region. Furthermore, a fastening clip is disposed on the outer surface of the cap. The clip is integrally formed on the protective cap with a fixed end in a region adjacent to the opening and, from there, tapers substantially to the end of the cap that faces away from the opening.

Abstract: A chewable writing apparatus comprising a body having a hollow cylindrical shaft, at least one cap selectively connectable to a distal end of the body, and a mechanism for connecting the cap to the body. Upon connection of the cap to the distal end of the body, the cap may be inserted into a mouth of a user for chewing.

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 clip fixing structure in which there is no possibility for producing a frictional scratch at an outer surface of a cylinder when it is fixed. The fixing section formed at the rear part of the clip section is bent along widthwise opposing sides and form to face at the rear surface as seen in a front elevational view of the clip section, and the fixing piece sections are provided with the engaging sections. Then, the clip set section formed at the cylinder is adapted to a forward or rearward size and a width size of the inner space of at least the fixing section, its part is protruded in a protruded shape becoming the fixing reference point where the fixing section is fitted, and both side surfaces of the clip set section corresponding to the engaging sections are provided with the holding sections for fixing and holding the fixing section to the clip set section.

Abstract: The burp filtering device has the body of a writing pen, with an intake port at the upper end of the body, a plurality of exhaust ports adjacent the writing tip, and a filter disposed within the body. The filter may be made of activated charcoal or other media for filtering eructation odors. In use, the user holds the upper end of the pen body to his lips, releases the suppressed burp, and the filtered gas is exhausted through the ports at the writing tip.

Abstract: A writing instrument cap having a clip as a separate part. The clip attachment, to which the clip is fitted, is projectively formed on the outer periphery of the cap. The clip attachment is formed with a vent hole penetrating between the interior and exterior of the cap and raised portions for attachment of the clip. The raised portions are provided on both sides of the vent hole, with respect to the circumference of the cap. When the clip is attached to the clip attachment, the clip covers the clip attachment and the vent hole and creates a clearance between the clip interior and the clip attachment so as to establish an air passage that communicates between the vent hole and the outside atmosphere.

Abstract: A writing instrument includes a front barrel and an ink tank. When, with a rear barrel for accommodating the ink tank removably fitted on the ink tank, a cap formed to cover the front barrel is fitted on the front barrel, the cap is positioned and fastened by abutment of the opening end of the cap. The cap has a hollow for accommodating a point assembly. The inside diameter of the hollow exceeds the outside diameter of the front barrel and the outside diameter of a rear end of the rear barrel. A barrel hold is formed along the circumference on the inner wall portion of the cap, so that the barrel hold grips the outer periphery of the rear end of the rear barrel. A guide portion is formed on the inner wall portion of the cap, closer to the front side than the barrel hold, to restrain over insertion of the rear end of the rear barrel into the cap.

Abstract: In a process of molding and assembling a three-dimensional ornament, a mold having a recess in which is formed an opening is provided. A molding pattern is located inside the opening. A first material fills in the molding pattern to form a plurality of protruded decoration patterns. Then, a second material is charged in the opening and the recess of the mold over the first material to respectively form a projection and a contact wall which together form an embossment. The embossment then is removed from the mold. The embossment then is mounted inside a hollow pen tube in a manner that the projection fits in a sidewall opening of the pen tube and the protruded decoration patterns protrude from the sidewall opening. A sleeve is inserted in the hollow pen tube to urge the contact wall of the embossment against the wall of the hollow pen tube.

Abstract: A pen comprising a pen body (1) and a pen point (3) releasably arranged in the pen body, and a part (4) which is removably arranged on the pen body (1). The part (4) is arranged for squeezing engagement with the pen point (3), for removing the same by the action of forces between the part (4) and the pen point (3). A method for removing the pen point and a clip for holding the pen are also described.

Abstract: A writing instrument is constructed so that a front barrel (5) and an ink tank (4) are formed integrally or as a one-piece structure as a refill (6), and when, with a rear barrel (7) for accommodating the ink tank removably fitted on the ink tank, a cap (3) formed so as to cover the front barrel is fitted on the front barrel, the cap is positioned and fastened by the abutment of the opening end (29b) of the cap. The cap has a hollow (22b) therein for accommodating a point assembly (8) and the inside diameter of the hollow is formed to be greater than the outside diameter of the front barrel and the outside diameter of a rear end (7c) of the rear barrel. A barrel hold (20e) projected inwards is formed along the circumference on the inner wall portion of the cap, so that the barrel hold will grip the outer periphery of the rear end (7c) of the rear barrel.

Abstract: A pen cap is constructed to include a cap body with a clip, a lighting circuit assembly, the lighting circuit assembly including a battery set mounted inside the cap body, an IC chip mounted on the clip and electrically connected to the battery set through a switch at the top of the cap body, and LED chips of different colors electrically connected to the IC chip, and a show plate fixedly mounted on the IC chip to hold the LED chips, the show plate having a design surrounded by the LED chips.

Abstract: The writing instrument includes a cap and a barrel. The cap includes threads which engage the threads on the barrel. In addition, the cap includes protrusions which engage protrusions on the barrel. The threads are designed so that the cap will engage the stop surface in approximately one third of a revolution. When the protrusions move past each other, the user perceives a tactile and/or audible indication. This indication advises the user that the cap has been fully attached to the barrel. In addition, the cap includes ribs on the exterior surface to assist the user in grasping the cap and in rotating the cap.

Abstract: A pen includes a reservoir tube holding a reservoir tube and a writing tip at one end for writing, a barrel fastened to one end of the reservoir tube remote from the writing tip by a connector to hold a barrel, a top cap capped on the barrel and adapted to hold a spare writing tip, a spring holder fixedly provided inside the barrel to hold a spring holder, and a movable stopper supported on a spring at the spring holder and adapted to open an air passage hole between the atmosphere and the inside space of the reservoir tube subject to the level of ink in the reservoir tube.

Abstract: A writing instrument cap has a tubular lower section, a tapered intermediate section, and a domed upper section. The domed upper section includes a dome, that provides a pocket for a writing or coating means, and a platform, for supporting the dome and providing a sealing surface for an applicator. The tubular lower section provides for attachment to a container. The intermediate tapered section connects the dome section to the tubular section and is provided with plural openings or slots for air passage through the lower section and around and past the dome section.

Abstract: The invention relates to a writing device capable of electronically recording what was written. A pen body comprising microelectronics, an acoustic emitter, an electromagnetic sensor, and a writing tip with ink reservoir is featured. A detachable cap also contains microelectronics, multiple acoustic sensors, and an electromagnetic emitter. Microelectronics in the cap determines the distance of the acoustic emitter in the pen body to multiple acoustic sensors, and by triangulation can determine the exact distance of the acoustic emitter located near the writing tip. Electromagnetic emitters and sensors are used to synchronize microelectronics with the sending times of each acoustic pulse. The exact distance of the acoustic emitter is also determined without electromagnetic emitters and sensors, by the difference in phase or timing of each pulse of acoustic signals, at two or more acoustic sensors. A computer may be used to generate a two-dimensional image map of what was written.

Abstract: A writing instrument is provided including a gripping section arranged along a portion of the writing instrument normally used for gripping and a writing tip extending from the gripping section. The gripping section may be provided on a replaceable cartridge element which is inserted into a cartridge-receiving cavity in the writing instrument body. A soft, resiliently deformable gripping member is provided on the gripping section and is preferably tubular in shape. The gripping member includes a smooth surface which may include a slightly elevated or raised pattern. The elevated pattern may comprise a plurality of interconnected parts so as to form a continuous lattice or pattern such as hexagons. The pattern is preferably continuous over the entire smooth surface. The elevated pattern is resiliently compressible with respect to the smooth surface so that a user's fingers may deform the elevated pattern to provide additional traction during use.

Abstract: A pen having a 3-dimensional pattern has at least one flexible strip. The flexible strip is sandwiched between a pattern ring and a liner ring with the 3-dimensional pattern partially protruding out of the pattern ring from a corresponding through hole. The liner ring abuts a bottom end of a connecting ring. The connecting ring is formed with an annular flange on its outer surface. The pattern ring abuts the annular flange to enclose the liner ring. A top end of the connecting ring is clamped onto a barrel of the pen, and a bottom end of the liner ring is threadingly connected to a tip of the pen.

Abstract: A grip is used for a mechanical pencil including a shaft tip portion, a core guide, and a core. This grip is formed into a tube-shape. The grip includes a tip portion, a base portion, and a spacing portion. The tip portion has a tip and a through hole portion and is shaped into a conical-shape so that a diameter thereof is reduced towards the tip. The base portion has a predetermined inner diameter such that the shaft tip portion of the mechanical pencil is treed into the base portion. The spacing portion is formed inside the tip portion and houses the core guide and the core. The core is movable in and out of the tip portion via the through hole portion.

Abstract: A correction pen with a pressure adjusting structure having an increased interior pressure of the pen so that the correction liquid may flow out of the pen successfully. The correction pen comprises a pen tube, a penpoint seat, and a ventilating ring. The ventilating ring is installed at an end portion of the pen tube. The lower edge thereof extends to the pen tube, and the penpoint seat is inserted into an end portion of the pen tube. The tightening portion at the lower end of the ventilating ring encloses the periphery of the penpoint seat. Thereby, a pressure adjusting structure with the ventilating ring is formed so that air flows unidirectionally, and thus a correction pen with a pressure adjusting structure is formed.

Abstract: A cap positioning construction for positioning and mounting a cap to a barrel, includes a triangular notch formed in a step face of a barrel on which the end of a cap abuts, and a triangular extension formed at the end of the cap. The triangular extension extends toward the notch and matches the notch 12e. By fitting the extension in the notch, the cap is positioned relative to the barrel when the cap is mounted on the barrel.

Abstract: A writing implement having a cap member is provided and is a direct-flow type (liquid ink type) writing implement including: a barrel cylinder; a holder holding a pen core at a front end of the barrel cylinder and further having inside the barrel cylinder, an ink tank for storing a liquid ink and a collector for temporary retention thereof. The collector, barrel cylinder and ink tank are formed of a clear, transparent material. A mouthpiece at the outer periphery of the holder is formed of a resin material having the same color as the ink held in the ink tank or having the same color as the written ink. The barrel cylinder may have a partition wall, positioned near to the center, on the side (rear side) opposite to the position where the collector is arranged, forming an ink tank in a space inside the barrel between the rear end plate of the collector and the partition wall.

Abstract: The combination of a writing instrument, a lanyard and a panel. The writing instrument has a cap and a body. The lanyard has an end attached to the cap, another end attached to the body, and an intermediate region extending between the two ends. The panel has an aperture through which the lanyard's intermediate region extends. The aperture is large enough to allow the lanyard intermediate region to pass freely through the aperture, yet the aperture is small enough to prohibit the cap and the body from passing through the aperture. The panel remains attached to the apparatus, although the panel can slide relative to the intermediate region of the lanyard.

Abstract: A writing instrument is provided including a cartridge carrying a writing or highlighting medium, and a writing tip exposed at one end of the cartridge. The cartridge includes a reduced cross-section which forms an annular recessed and tapered cavity. A gripping member is received in the cavity and is preferably tubular in shape and is tapered to follow the tapered contour of the cartridge. The gripping member includes a smooth surface which may include a slightly elevated or raised pattern. The elevated pattern may comprise a plurality of interconnected parts so as to form a continuous lattice or pattern such as hexagons. The pattern is preferably continuous over the entire smooth surface. The elevated pattern is resiliently compressible with respect to the smooth surface so that a user's fingers may deform the elevated pattern to provide additional traction during use. The writing instrument may also include a vented cap.

Abstract: A display frame pen which functions both as a pen and a frame structure for displaying such things as photographs. The display frame pen includes a pen cap assembly detachably coupled to a pen casing assembly. The pen cap assembly includes telescopically coupled inner and outer barrels and a clip cap coupled to the outer barrel. The outer barrel is formed with a sidewall portion through which a view window having any of numerous predetermined shapes is formed. The inner barrel is received in displaceable manner within an inner compartment encircled by the outer barrel's sidewall portion, such that it is displaceable relative to the outer barrel between retracted and extended positions. Preferably, the inner barrel is also angularly displaceable relative to the outer barrel. When in its retracted position, an intermediate portion of the inner barrel is at least partially visible through the outer barrel's view window.

Abstract: A pen includes a vertical pen barrel, a mounting seat mounted fixedly on a top end of the pen barrel, and a molded metal unitary unit. The unit includes a pen top disposed swingably on the seat, and a pen clip extending integrally and downwardly from the pen top. The clip has a clamping end, which is movable relative to the pen barrel between a clamping position, where the clamping end presses against the pen barrel, and a releasing position, where the clamping end is spaced apart from the pen barrel. A biasing unit biases the clip to the clamping position.