Abstract: A side knocking-type writing instrument has a barrel having a longitudinal axis, a front end, and a rear end. A sliding member is disposed in the barrel for undergoing forward and rearward sliding movement along the longitudinal axis of the barrel. The sliding member has a shoulder comprised of a generally L-shaped side wall having a first wall portion extending along the longitudinal axis and a second wall portion extending transversely to the longitudinal axis. A knocking member undergoes pivotal movement in a direction transverse to the longitudinal axis of the barrel about a fulcrum point disposed at a rear portion of the knocking member. The knocking member has a pressing portion disposed at a front portion thereof. A linking pawl is disposed between the knocking member and the sliding member for undergoing pivotal movement therebetween and axial movement along the longitudinal axis.

Abstract: The present invention is a mechanical pencil adapted to securely hold and advance square or rectangular leads. The invention mechanism is a single opened end slotted front guide for the lead where compression and decompression of the lead is accomplished by causing thickened arms of the front guide to be drawn into and pushed out of an opening of another piece aligning the front guide with the axis of a pencil housing.

Abstract: An orbital marking pencil includes a body assembly, a rotator assembly and a rotational support. The body assembly includes a plunger, a main spring and a support spring. A convoluted race is formed on an inner surface of the body assembly. The rotator assembly includes a rotator spring and at least two ball bearings. The rotator spring opens a collet that retains a piece of lead. The ball bearings are received in the convoluted race. The depression of the body assembly in a vertical movement actuates the ball bearings within the convoluted race, thereby rotating the lead in an orbital movement. The support spring provides resistance to return the rotational support to a starting position, the main spring provides resistance for and returns the rotator assembly to a starting position, and the rotator spring provides resistance for and returns the plunger to a starting position.

Abstract: A side knocking-type writing instrument has a barrel having a longitudinal axis, a front end, and a rear end. A sliding member has a writing component and is disposed in the barrel for undergoing forward and rearward sliding movement along the longitudinal axis of the barrel. A knocking member is disposed on a side surface of the barrel for undergoing movement in a direction transverse to the longitudinal axis of the barrel. A linking pawl is disposed between the knocking member and the sliding member for undergoing pivotal movement therebetween and axial movement along the longitudinal axis. The linking pawl has an outward end disposed in contact with a pressing portion of the knocking member and an inward end disposed in contact with the sliding member.

Abstract: A holder for marking material includes a housing and a collet which moves axially in the housing. The housing has a first side wall and a second side wall opposite the first side wall. Cavities having sloping surfaces are formed in the housing first side. The collet includes an arm having wedges formed on its outer surface and positioned to be received in the housing cavities. The collet is movable between an extended position in which the sloped surface of the housing cavities engage the collet arm wedges to urge the collet arm transversely towards the housing second wall to frictionally grip the marking material in the holder and a second position in which the wedge is received in the housing cavity such that no transverse force is applied to the collet arm, and the marking material can move freely relative to the holder.

Abstract: A cartridge type stick-shaped cosmetic material feeding container 1 comprises a cartridge 2 and a container body 3, and the cartridge 2 rotatably connects a base cylinder 20 and a front cylinder 10 having an opening hole 11 through which a stick-shaped cosmetic material A advances and retreats. The stick-shaped cosmetic material A is retained by claws 32 at a front end of a core chuck member 30 inserted and an O-ring 4 is wound to an outer circumference of the base cylinder 20. Due to a feeding mechanism in the cartridge 2, the stick-shaped cosmetic material A retained by the core chuck member 30 advances and retreats along the front cylinder 10 with rotations of the front cylinder 10 and the base cylinder 20. The feeding mechanism of the cartridge 2 inserted in the container body 3 functions when the base cylinder 20 and the container body 3 synchronously rotate by frictional resistance of an inner circumference of the container body and the O-ring 4 wound to the base cylinder 20.

Abstract: A double-chuck mechanical pencil comprises a barrel, a barrel cap detachably attached to a front end of the barrel, a lead tank inserted in the barrel, a feed chuck for feeding leads, combined with the lead tank, a sleeve bolster disposed on the front side of the feed chuck, and a holding chuck combined with the sleeve bolster. A holding chuck unit including the holding chuck and the sleeve bolster, and a feed chuck unit including the feed chuck and a sleeve can come into contact with each other in the barrel cap.

Abstract: A cartridge type stick-shaped cosmetic material feeding container 1 comprises a cartridge 2 and a container body 3, and the cartridge 2 rotatably connects a base cylinder 20 and a front cylinder 10 having an opening hole 11 through which a stick-shaped cosmetic material A advances and retreats. The stick-shaped cosmetic material A is retained by claws 32 at a front end of a core chuck member 30 inserted and an O-ring 4 is wound to an outer circumference of the base cylinder 20. Due to a feeding mechanism in the cartridge 2, the stick-shaped cosmetic material A retained by the core chuck member 30 advances and retreats along the front cylinder 10 with rotations of the front cylinder 10 and the base cylinder 20. The feeding mechanism of the cartridge 2 inserted in the container body 3 functions when the base cylinder 20 and the container body 3 synchronously rotate by frictional resistance of an inner circumference of the container body and the O-ring 4 wound to the base cylinder 20.

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: A double-chuck mechanical pencil having a front lead chuck for holding a lead and a back lead chuck for advancing a lead which is composed of a barrel, a lead tank connected to the back lead chuck, an adapter attached to the back of the lead tank which is restrained from rotation relative to the barrel and axially movable, and a rotary eraser projecting mechanism including a support member or an eraser support structure including a support member that is restrained from rotation relative to the adapter and detachable from the back portion of the adapter.

Abstract: A double-chuck mechanical pencil having a front lead chuck for holding a lead and a back lead chuck for advancing a lead which is composed of a barrel, a lead tank connected to the back lead chuck, an adapter attached to the back of the lead tank which is restrained from rotation relative to the barrel and axially movable, and a rotary eraser projecting mechanism including a support member or an eraser support structure including a support member that is restrained from rotation relative to the adapter and detachable from the back portion of the adapter.

Abstract: An orbital marking pencil includes a marking retention body, marking convoluted body, and a marking collet. The marking collet retains a piece of lead on one end. The marking collet is retained in the marking convoluted body. The marking convoluted body is threaded into one end of the marking retention body. An orbital scratch-off card remover includes a remover retention body, remover convoluted body, and a lock ring. A remover collet retains a remover rod and is formed on one end of the remover convoluted body. The lock ring is slid over the remover collet. The remover convoluted body is threaded into one end of the remover retention body. The other ends of the orbital pencil and scratch-off card may be attached to each other to form a combination device.

Abstract: There is provided a mechanical pencil which permits an effective use of a residual lead which is left in a front end of the pencil. The pencil has a tubular shaft having at its front portion a slide member which has a passage for a writing lead, and a lead advancement mechanism axially slidably disposed in the tubular shaft. The slide member and at least one element of the lead advancement mechanism are co-acted and interlocked with each other. This structure permits a favorable feeling of writing and an effective use of the writing lead.

Abstract: An orbital marking pencil includes a marking retention body, marking convoluted body, and a marking collet. The marking collet retains a piece of lead on one end. The marking collet is retained in the marking convoluted body. The marking convoluted body is threaded into one end of the marking retention body. An orbital scratch-off card remover includes a remover retention body, remover convoluted body, and a lock ring. A remover collet retains a remover rod and is formed on one end of the remover convoluted body. The lock ring is slid over the remover collet. The remover convoluted body is threaded into one end of the remover retention body. The other ends of the orbital pencil and scratch-off card may be attached to each other to form a combination device.

Abstract: A writing utensil includes an external cylinder, a lead feeding mechanism housed in the external cylinder and propelling a lead forward, and a rear-end knocking member movable in conjunction with the lead feeding mechanism in an axial direction. The rear-end knocking member is integrally formed and includes a cylindrical section, a clip section, and a connecting section. The cylindrical section has a central hole into which the rear end of a lead case of the lead feeding mechanism is inserted and in which the rear of the cylindrical section protrudes from the rear end of the external cylinder. A clip section extends outside and along the external cylinder in an axial direction and a connecting section passing through a stem hole formed in the rear side face of the external cylinder for connecting the cylindrical section and the clip section together.

Abstract: A mechanical pencil, includes a barrel, a lead feeding mechanism disposed in the barrel to tighten and feed a lead, an operating part for causing the lead feeding mechanism to feed the lead, and holding portions for holding the lead being provided in at least two positions between the lead feeding mechanism and a tip end of the barrel spacedly in the axial direction.

Abstract: Disclosed is a double chuck type mechanical pencil and an internal writing mechanism thereof comprising a feed chuck for feeding a normal lead, and a tip chuck for holding the tip of a lead for reducing a residual lead. The double chuck type mechanical pencil comprises a lead tank provided movably in a longitudinal direction within a barrel, a feed chuck connected to the lead tank to feed leads, a chuck ring loosely fitted in the feed chuck, a sleeve provided externally of the feed chuck, a chuck spring provided between the sleeve and the lead tank, an inner tube provided externally of the sleeve and movable integrally with the sleeve, a cushion spring provided between the inner tube and the barrel, a tip chuck provided on the end part of the inner tube, a tip ring provided externally of the tip chuck, and a tip spring provided between the tip chuck and the inner tube.

Abstract: A cap fixing construction for mounting a cap on a barrel, includes a slit formed in the cap and extending in an axial direction from an end of the cap, and a longitudinal rib formed on the barrel and extending in the axial direction, so that the cap is fixed on the barrel by fitting the longitudinal rib in the slit.

Abstract: A double-chuck mechanical pencil includes a barrel having an open front end part, an inner tube inserted in the barrel, a front chuck having a first chucking head and supported on a front end part of the inner tube with a front end part of the first chucking head projected outside through the open front end part of the barrel, a feed chuck having a second chucking head and inserted in the inner tube, a chuck ring put on the second chucking head of the feed chuck, and an axially movable tank serving as both a member to contain spare leads and a member to push the feed chuck.

Abstract: A mechanical pencil for using a lead effectively includes a tip pipe for protecting a lead. The tip pipe is mounted to a front end portion of the mechanical pencil so as to be able to axially project from or retract into a tip opening of the front end portion of the mechanical pencil. The tip pipe is preferably made of metal and, at least one slit (and preferably two slits) axially extending from the tip, preferably is formed on the tip pipe so as to be mutually approximately in parallel. In the case of two slits, the two slits are arranged circumferentially at less than substantially 180E intervals and approximately in parallel with an axial direction and a portion between these two slits forms an elastic piece. Because the elastic piece of the tip pipe tends to move inwardly so as to make a surface contact against the lead, the force holding the lead is increased.

Abstract: Disclosed is a double chuck type mechanical pencil and an internal writing mechanism thereof comprising a feed chuck for feeding a normal lead, and a tip chuck for holding the tip of a lead for reducing a residual lead. The double chuck type mechanical pencil comprises a lead tank provided movably in a longitudinal direction within a barrel, a feed chuck connected to the lead tank to feed leads, a chuck ring loosely fitted in the feed chuck, a sleeve provided externally of the feed chuck, a chuck spring provided between the sleeve and the lead tank, an inner tube provided externally of the sleeve and movable integrally with the sleeve, a cushion spring provided between the inner tube and the barrel, a tip chuck provided on the end part of the inner tube, a tip ring provided externally of the tip chuck, and a tip spring provided between the tip chuck and the inner tube.

Abstract: An automatic pencil structure includes a barrel, a tip cover, a connecting barrel, and a conducting tube. The barrel is provided with an inner thread screwed on an outer thread of the connecting barrel. The tip cover has a rear portion provided with a sleeve fitted in the connecting barrel and a front portion receiving the slide member. The slide member has a front portion protruding outward from the tip cover and a rear portion including a retaining ring for retaining the pencil lead by a friction action. The clip member has two opposite sides each defining an arcuate recess receiving a ball. The clamp ring is enclosed around the clip member has a bottom defining an inclined surface urged on the ball and a top defining a locking hole for securing the conducting tube and a pencil lead hole allowing passage of the pencil lead. The conducting tube defines a passage for receiving the pencil lead. The passage is connected to the pencil lead hole of the clamp ring and has a top defining an inner curved portion.

Abstract: A chalk holding device (10) for use with sidewalk chalk and the like. The inventive device includes an elongate tube (20) having an attachment grip (26) for holding a piece of sidewalk chalk at the lower end of the tube. The upper end of said tube has a removable closure (24) for inserting extra pieces of chalk into said tube for storage. The holding device (10) is of a predetermined length whereby the human user may write or draw on a ground-level surface from a generally upright position.

Abstract: A mechanical pencil comprises a main body, a lead-feeding mechanism disposed in the main body for gripping a lead at a lead-gripping position and for feeding the lead to an advanced position, and a mouthpiece connected to the main body. A slider is slidably fitted in the mouthpiece. A lead-holding member is disposed in the slider for frictionally holding the lead fed to the advanced position. A slider-resisting member is disposed in contact with the slider for applying a frictional resistance to the slider larger than a frictional resistance of the lead-holding member.

Abstract: A double chuck type mechanical pencil comprising a lead tank 4 slidably provided within an axial tube 1, a rear chuck 5 for drawing out a lead fixedly mounted on the front end of the lead tank 4, a chuck ring 6 loosely fitted in the rear chuck 5, a rear resilient component 8 for biasing rearward the tank 4 and the rear chuck 5, a front chuck 11 for holding a lead connected to the rear chuck 5 through a connecting means 7, 9, a front resilient 10 component for biasing rearward the front chuck 11 disposed within a tip member 2 provided in the front of the axial tube 1, and a loosely fitted tube 12 at least having a stopper portion 12b at the rear end provided in an opening portion of the tip member 2, and thereby preventing abrasion around an opening at the extreme end of the tip member 2 caused by impingement of the front chuck 11, and not giving rise to twisting of the lead caused by rotation of the chucks 5, 11.

Abstract: A side-knock type mechanical pencil comprising a barrel having an opening in a side wall, a chuck mechanism housed in the forepart of the barrel, a slider moved back and forth within the barrel to open and close the chuck mechanism, a knock lever which is inserted into the opening with an upper front end pivotally mounted with respect to the barrel, a lower front end thereof being placed in contact with the slider, and a resilient member for holding the knock lever in an initial position.

Abstract: An auxiliary pencil extending cap mainly comprises a cap and a fastening ring, the cap is hollow and in cylindrical shape, two opposite slits are disposed on one end of the cap and are arranged on the same axis of the length of the cap, two opposite indentations are disposed next to the slits on the cap, a longitudinal hole is found inside the indentations, few protruded bars are disposed on the inner surface of the cap and are arranged on the same axis of the length of the cap, the fastening cap is in circular shape and having an opening, a flat rod is extended downwards from the fastening ring, the diameter of the slits is contracted by moving the fastening ring on the slits of the cap, so that the fastening ring grip on the top of the pencil in order to lengthen the length of the pencil, the indentations are for fingers to put on to move the cap more convenient, and the longitudinal hole is for user to see through if the pencil is inside or the length of the pencil.

Abstract: An installation structure for a writing instrument includes an outer cylinder and a lead advancing mechanism, which is housed in the outer cylinder and has a sleeve provided with a protruding portion protruding in the outward direction, for advancing a lead by a predetermined amount. The lead advancing mechanism is installed in the outer cylinder so as to prevent the lead advancing mechanism from coming off (e.g., decoupling from) the outer cylinder by making the front end of the sleeve abut a step portion formed on the inner peripheral surface of the outer cylinder and fixing the protruding portion provided on the sleeve to a second step portion formed on the inner peripheral surface of the outer cylinder.

Abstract: In a cosmetic pencil comprising a filler stick disposed in a sleeve and an elongated basic body with an automatic advance acting on the filler stick for linear displacement of the filler stick out of the sleeve in the direction towards the free tip of the cosmetic pencil, it is provided, with a view to the possibility of one-hand operation, that the automatic advance is an automatic pusher mechanism, the automatic advance cooperating with a thin pin, for instance a wire section, which conventionally corresponds to the lead of a lead pencil and which acts on the rear of the filler stick via a piston section, pushing the filler stick forward, the piston section being sealingly guided by defined frictional engagement in an envelope, such as a sleeve, which envelops the filler stick, this constituting the required filler stick brake.

Abstract: A black algae spot treatment tool for attaching to a swimming pool pole for directly treating and eliminating black algae spots which typically build up on the plaster surfaces of a swimming pool. The tool includes a chlorine stick, a collet vise for clampedly slidably removably holding the chlorinating stick whereby a user may apply the chemical directly to a colony of black algae within the pool. The device also includes two holes laterally positioned opposite each other and located far enough up from the bottom of the tool for receiving a standard plastic "V" spring used throughout the art in the field for attaching tools to the end of pool poles whereby the user may treat black algae spots located below the water level without entering the pool.

Abstract: A clamping pen composed of a clamping tube receiving a core rod member and a clip member extending outward from the clamping tube. The clamping tube has an upper open end and a lower end. The upper end is formed with multiple annular projections and two lateral axially extending slots or fissures. A flange is formed on the clamping tube below the clip member, serving as a fulcrum, whereby when the clip member is pressed down or released, the fissures are expanded or contracted, permitting the rod member received in the clamping tube to be easily moved outward or inward to adjust a protruding length of the rod member. After the adjustment is completed, the clip member is released and the annular projections of the clamping tube are tightly held to contract the fissures and tightly clamp the rod member for easy use.

Abstract: Propelling pencil for pins, whether colored or not, which consists mainly of the combination of an elongated casing with an axial bore for housing a pencil pin which is provided at the top with a screw thread part, a screw head with an axial bore for passing the pin and of which the tailpiece is provided with a screw thread part which can be screwed into and moved in the screw thread part of the axial bore of the casing, the tail-piece being provided with several longitudinal grooves which run over a distance of the end of the tailpiece, and means being provided for gradually squeezing the middle part of the tail-piece in which the grooves are provided, between the axial bore of the casing and the tailpiece of the screw head.

Abstract: A mechanical lead pencil having the capability of feeding different diameter leads. A first collet is disposed in the pencil barrel for feeding the lead and a second collet is located at the barrel open end for retaining the lead during use of the pencil. An elastomeric disc is provided between the two collets, having a variable diameter opening at the center thereof for frictionally engaging the lead and preventing its release when the two collets are in the open position.

Abstract: A mechanical pencil is disclosed in which lead can be advanced in one of two ways; either automatically upon release of writing pressure on the pencil, or selectively manually by pressing inwardly against a side push button. The pencil includes an outer cylinder with a side pushing hole formed therein, and a side push button movably disposed in the side pushing hole. The side push button contacts a lever which is totally mounted within the outer cylinder and which contacts a lead advanced mechanism. Upon pressing in of the side push button, the lever is pivoted about its axis and caused to press downwardly against the lead advance mechanism to thereby cause advancement of a lead. Advancement of lead is also performed upon release of writing pressure of the pencil by way of a slider mechanism which is biased outwardly by way of a resilient member and which is forced outwardly by the resilient member upon release of writing pressure.

Abstract: A useful writing implement which comprises an outer casing and an inner tube inserted into the outer casing for storing a plurality of presharpened leads. The outer casing has an intregrally formed protrudent flexible elongated reduced neck portion for releasably engaging an upper enlarged portion of the inner tube. The neck portion is integrally formed with a lateral triangular flat protrustion for partially covering the upper enlarged portion of the inner tube for preventing the presharpened leads from slipping out of the inner tube. The outer casing is integrally formed with a dependent leg for insertion into a longitudianl slot provided at the lower end of the inner tube, the leg being integrally formed with an inward hook-shaped portion which will be forced to extend into the slot and slide on a longitudinal slide side wall provided at the upper end of the slot, to allow the leads to fall down when the inner tube is moved downward.

Abstract: A pencil holder includes first and second holder members having coaxial longitudinal through bores which are sized for receiving a pencil. A converging neck is located at a lower portion of the first holder and a chuck arrangement positioned at the juncture between the first and second holder members for gripping the pencil and maintaining its longitudinal positioning within the bore. The pencil tip protrudes through an aperture in the lower end of the first holder. Use of the pencil holder allows a writer to comfortably use pencils beyond a point at which the pencil would normally be discarded.

Abstract: A writing kit which includes a writing implement having an elongated barrel with collets at each end and a push rod extending therebetween wherein each collet is of a different size and has an internal conical surface for cooperatively engaging and gripping a tapered portion of a writing element such as a lead which is shaped having two such portions so that one portion is exposed for writing or drawing while the other is retained within the barrel. The leads may be selectively removed from the collets by operation of the push rod and may be stored in a stand designed to retain a plurality of varying sizes of leads.

Abstract: The crayon holder includes a hollow body telescoped with respect to a collet member having jaws at one end. The collet member at a location remote from the jaws is threaded to a cylindrical portion of the body. A sleeve is telescoped over each of said body and collet member. Cooperating structure is provided on the body and sleeve to facilitate rotation of the sleeve without moving the sleeve in a longitudinal direction. The sleeve has a tapered portion for camming said jaws inwardly. A key on the sleeve cooperates with a groove on said collet member for rotating the collet member and moving it longitudinally relative to the sleeve as the sleeve is rotated about its longitudinal axis.

Abstract: A drill chuck, specifically for use on a portable powered drill, for selectively and releasably engaging the shank of a drill bit. The chuck includes a support secured to the drive shaft of the drill, and an actuator which is axially movable relative to the support. A holder is disposed between the support and the actuator for grippingly engaging the drill bit. The holder includes an annular support ring movably positioned within the support and having a plurality of springlike arms which project radially inwardly and are disposed for gripping engagement with the drill bit. A first pair of diametrically opposed arms extend axially from one side of the support ring, and a further pair of arms project axially from the other side of the ring, the latter pair being angularly offset with respect to the first-mentioned pair.