Matches 1 - 50 out of 60 1 2 >
Match Document Document Title
7452147 Writing instrument with a lateral button  
A writing instrument that includes a tubular body extending along a longitudinal axis between a rear end and a front end provided with an opening through which a writing tip is capable of...
6854909 Lead propelling device  
The lead propelling device of the invention is a lead propelling device having a structure for gripping and releasing the lead by a lead gripping mechanism by knocking operation, not transmitting...
6793429 Chalk holding device  
A safety chalk holder consisting of a chalk holding member received within the bore of a housing, a closed end of the chalk holding member projecting from one end of the housing, a collet end of...
6767150 Automatic pencil assembly  
An automatic pencil assembly includes a barrel, a point, an urging member, two clamping members, a slide, a guide pipe, a lead, a cap, and a push member. Thus, the lead is pressed downward by the...
6247863 Press type mechanical pencil  
A press type mechanical pencil includes an upper barrel, a press device, a refill tube, an abutting rod, a clamp/release device and a lower barrel. An insert post of the clamp/release device has a...
6203226 Side-knock type mechanical pencil  
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...
5362166 Flat stick-shaped material propelling container  
A stick-shaped material propelling container comprised of a flat-shaped outer sleeve, a chuck in the form of tweezers having a pair of opposing flat arms inserted into the outer sleeve and having a...
5354141 Mechanical pencil with shaking type lead-feeding mechanism  
A longitudinal opening window (1B) is formed a: a rear end portion of a cylindrical casing (1) of a mechanical pencil. At the rear end of the cylindrical casing (1), an eraser holder (12) is...
5340224 Push-type writing instrument  
A push-type writing instrument, particularly a pencil, includes a retaining collar downwardly protruded from a pair of radially opposed fingers provided on a tapered forward portion of an outer...
5292202 Retractable, refillable, sharpen-free pencil assembly  
A retractable, refillable, sharpen-free pencil assembly comprises an outer tube, an inner tube and several sections of pre-sharpened leads. The inner tube is movable relative to the outer tube. An...
5236271 Automatic mechanical pencil  
An automatic pencil for automatically dispensing a writing lead comprises a hollow, longitudinal main body for receiving therein lead, and a mouthpiece detachably connected at its rear end to a...
5221151 Mechanical writing apparatus with a mechanism for retracting presharpened pencil lead elements  
A writing apparatus with retractable presharpened pencil lead elements is disclosed having an outer pen holder, an inner cylinder slidably mounted within the outer pen holder, a compression spring...
5199807 Knocking type solid cosmetic container  
A knocking type solid cosmetics container which comprises a container main body 1 comprising; a cylindrical pushrod housing pipe 6 inserted in the container main body 1; a delivery chuck 9 fixedly...
5171097 Mechanical pencil with lead-feeding device operable by forward shake  
In a mechanical pencil, a tubular lead reservoir is connected to the rearward end of a lead chuck. A cylindrical weight is fitted slidably around the lead reservoir and is adapted to strike against...
5165813 Container with snap-in chuck and chuck ring  
A container for extending a stick-shaped material comprises a tubular body and a chuck formed on the tubular body inserted into a chuck ring. The tubular body and the chuck ring are provided with...
5165812 Lead writing instrument with selective locking of chuck  
A refill lead writing instrument for stepped advancement of a lead has a spring biased clamping device for holding a lead in direction of its longitudinal axis against a writing pressure. The...
5139356 Side actuated writing implement  
A side actuated writing implement wherein projections are provided to prevent the wave-shaped actuating member from straightening out.
5033894 Mechanical pencil with tapered supply chamber  
A knock-out type mechanical pencil which comprises a lead containing tube in which the inner and outer walls thereof are so tapered that the lead inlet thereof is larger in diameter than the...
5009533 Propelling pencil with cushion sleeve  
A knock-type propelling pencil includes a lead pipe inserted into an outer cylinder and having a lead chuck at the end portion thereof, a chuck-fastening tube for fastening the lead chuck, a...
4979839 Mechanical pencil having an automatic lead extending mechanism  
A mechanical pencil having an automatic lead extending mechanism which has a radially displaceable member disposed on an entire circumference of the pencil body. The lead protrudes from a tip end...
4976560 Mechanical pencil with a plastic chuck  
A mechanical pencil with a chuck made of plastics includes a lead case connected with the chuck, a ring arranged to surround and hold the chuck, and a spring for biasing the chuck toward a position...
4966478 Mechanically controlled-writing apparatus with presharpened pencil lead elements  
A mechanically controlled writing apparatus with presharpened pencil lead elements generally comprises of an inner cylinder and a pen-holder. The inner cylinder is a straight hollow tube, having...
4872776 Lead chuck of mechanical pencil  
A lead chuck of a mechanical pencil to be assembled into a lead feeding mechanism of a rear end knock type, an automatic lead feeding type and an extremity end knock type mechanical pencil in which...
4856693 Working out container of bar shaped article  
This invention relates to a container for feeding a bar shaped article such as an erasing gum, a pencil lead, a crayon, a pastel, or an eyebrow stick, especially for advancing or retracting the bar...
4840508 Mechanical pencil capable of automatically propelling successive lengths of lead  
A mechanical pencil has a body with a lead storage chamber defined therein for housing spare lengths of lead, and a tubular lead guide receiving a length of lead and coaxially mounted in the body...
4729684 Mechanical pencil  
Mechanical pencil in which a chuck assembly for gripping a lead is formed with plural chuck elements mutually combined with each other. The chuck assembly has an internal longitudinal hole to...
4720203 Push-button type mechanical pencil  
A push-button type mechanical pencil consisting of a barrel which is composed of a clip-carrying upper barrel member and a metal tip-carrying lower barrel member, which barrel members are engaged...
4676684 Lead delivery mechanism for mechanical pencil  
A lead delivery mechanism is integrally composed of a lead chuck for biting lead fitted to the extreme end of a lead pipe, sleeves abutting upon a chuck clamping ring loosely fitted to the head...
4657421 Mechanical pencil  
An improvement in the mechanical pencil of the type shown in U.S. Pat. No. 4,320,982. The improved mechanical pencil has a tubular outer casing, a coil spring disposed within the outer casing and...
4650359 Mechanical pencil with automatic lead advance  
A mechanical pencil having a chuck mechanism which permits the lead to advance but prevents the lead from retracting, a first slider, a second slider which is retractable progressively as a writing...
4627756 Lead propelling mechanism for a mechanical pencil  
A lead propelling mechanism for a mechanical pencil includes a lead chuck, a ring fitted loosely about the chuck for tightening its head, a sleeve having a front end contacting the ring, and an...
4603991 Connector for propelling pencil  
A propelling pencil comprising an outer cylinder made of synthetic resin which can be easily molded as a unitary structure and an engaging member incorporating a chuck device including a lead...
4595306 Pencil with sharpener  
An automatic pencil with a lead-sharpening device, has a pencil lead of a diameter of 2 mm inserted into the pipe sleeve of the pencil case in which a lead-sharpening knife holder is attached....
4571105 Lead engaging chuck mechanism for mechanical pencil  
A chuck mechanism incorporated in a mechanical pencil has a plurality of chuck elements in a longitudinal confronting relation. The chuck elements have a pivotal support or fulcrum at their...
4544295 Mechanical pencil with self-contained insert  
A mechanical pencil comprising a pencil barrel, a cam cylinder mounted in the pencil barrel at a front portion thereof and having a cam wall formed on an inner circumferential surface, a...
4538934 Automatic lead advancing mechanism for a mechanical pencil  
An automatic lead advancing mechanism for a mechanical pencil has at its writing point a lead guide tube which is movable axially against a clamping member to cause radially movable components of...
4490061 Writing instrument for automatic advancement and feed of leads  
A writing instrument with automatic advancement and feed of successive leads has a housing having a tip part, a lead protecting pipe having an axis and movable in an axial direction, a lead...
4478529 Writing implement with automatic lead projection  
A propelling or automatic writing implement having a lead which can be projected from the implement without pushing. An inner frame having a chuck assembly for permitting advance of the lead but...
4452544 Mechanical pencil with automatic lead feed  
A mechanical pencil with automatic lead feed has a clamping mechanism for clamping a lead in such a manner that it holds the lead steadily against rearward movement but easily permits the lead to...
4376590 Writing implement  
This invention relates to a writing implement comprising an outer casing, a coil spring disposed within the casing, an inner tube inserted through the coil spring and having a plurality of...
4358210 Mechanical pencil with chuck closing by normal writing grip  
A mechanical pencil in which the lead is advanced by squeezing a cylindrical depression member provided at the position of the writer's fingers during normal writing operations. The pencil includes...
4264227 Press-out type writing tool  
A press-out type writing tool having a holder body and a mechanism disposed in the holder body for pressing out pencil lead. The mechanism includes a depressing tube, a chuck for clamping the lead...
4240759 Mechanical pencil having guides to match guides on a refill cartridge  
A mechanical pencil includes a casing, a chuck for holding a lead, a lead passage connected with the chuck, a lead cartridge and a push button for advancing the lead. A cylindrical body is...
4230413 Mechanical pencil having collet guide  
A mechanical pencil of the type in which a lead is gripped in a collet clamped about the lead by engagement between cooperating conical faces of a clamping ring and respective movable ends of two...
4140408 Push type mechanical pencil  
A push type mechanical pencil having an inner cylinder made of a synthetic resin including a chuck portion and a spare leads containing tube portion communicating with the chuck portion. An...
3945733 Mechanical pencil  
A mechanical pencil of the collet-action type is provided with a collet member formed of a pair of identically configured mating half shells guiding and clamping the lead. The half shells are...
3854825 REFILLABLE PENCIL  
A refillable pencil comprising among various structural components a lead braking clamp forming an integral portion of a hollow body member of injected plastic material and a lead locking clamp...
3836264 MECHANICAL PENCIL  
In a mechanical pencil an extension of lead is carried out by a resilient means operatively arranged in a side portion of a body casing. The resilient means comprises a push means and a force...
3813176 EVER-SHARP PENCIL  
In an automatic lead storage pencil lead is extensible by means of a force translating means operatively arranged in a side portion of a body casing. The force translating means comprises an...
3713745 PUSH-TYPE MECHANICAL PENCIL  
A pushing force applied to an end cap of a push-type mechanical pencil coesses initially a first spring to expose a guide tube at the tip of an inner casing to the outside of a barrel. Then, the...
Matches 1 - 50 out of 60 1 2 >