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7581573 |
Electric pencil sharpener
An electric pencil sharpener, comprises a base, a powering device, a feeding subassembly, a cutter subassembly and an adjusting subassembly. Two brackets (31, 32) are mounted on the base, standing...
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7472728 |
Electrically powered rapid sharpening cosmetic pencil sharpener
The present invention is a novel electrically powered cosmetic pencil sharpener which firmly sits on a flat surface to avoid shaking during the sharpening process and firmly grips the cosmetic...
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7455087 |
Electric sharpener for writing instruments
An electric sharpener for writing instruments, e.g. an electric pencil sharpener, is disclosed as including an electric motor, a cutting blade which may be driven by the electric motor to rotate to...
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7360566 |
Structure of automatic pencil sharpener
An automatic pencil sharpener has a plurality of different sizes of pencil selector openings in a front side of a pencil selector panel, and an annulus groove at the back side of the pencil...
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7273079 |
Electric pencil sharpener
An electric sharpener has a casing, an electric motor, and a flat cutting blade for turning by the motor. There is an aperture in the casing through which a pencil can be inserted for sharpening by...
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7240703 |
Automatic pencil sharpener
An automatic pencil sharpener having a motor, a transmission device, a cutter assembly, a feeding device, a feeding reverse mechanism, and a manual reverse mechanism. The feeding device has a pair...
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7134461 |
Pencil sharpener
A pencil sharpener includes a frame, a drive mechanism, a transmission mechanism, a cutting mechanism, and a pencil-core adjustment mechanism. The pencil-core adjustment mechanism is constituted of...
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6845795 |
Portable handheld sharpener with loop attachment
A portable, handheld sharpener having an elongated body with loop attachments, a battery-operated DC motor with speed reducing gears and a gear plate and a rotatable sharpening unit. A pouch-shaped...
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6637481 |
Apparatus for sharpening a writing instrument
An apparatus for sharpening a writing instrument, e.g. an electric pencil sharpener, is disclosed as including a body for receiving a pencil for sharpening, and a base, the base having a bottom...
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6470929 |
Pencil sharpener
A pencil sharpener including a self-governing sharpening assembly, a motor for driving the sharpening assembly, and a selector guide. The selector guide defines a plurality of openings positionable...
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6427343 |
Pencil sharpener having a pencil limiting device
A pencil sharpener includes a casing secured in a housing and having a groove for receiving a pencil to be sharpened and having a cutter blade for sharpening the pencil. A device has a slide...
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6249981 |
Structure of a pencil sharpener
An improved structure of a sharpener comprising an ornamental seat, a light-emitting body, a fixing seat module, a spring, a conductive cap, a push rod, a main body containing a sharpening means,...
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6065514 |
Compact handheld battery-operated cosmetic pencil sharpener
A portable, handheld, sharpening device for sharpening a cosmetic pencil having an outer casing of hard material and an inner casing of soft wax-like cosmetic material. The device includes a...
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5875555 |
Crayon sharpener assembly
A crayon sharpening assembly is disclosed comprising an axially rotating cartridge block (106) having an axial bore (178) for axial receipt of a crayon with a forward end of the crayon positioned...
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5802948 |
Method for sharpening crayons
A crayon sharpening assembly is disclosed comprising an axially rotating cartridge block (106) having an axial bore (178) for axial receipt of a crayon with a forward end of the crayon positioned...
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5379817 |
Sharpener for a soft element pencil
A sharpener for a soft element pencil has a housing with a pencil hole. A rotor rotatably mounted in the housing has: (a) a base portion, (b) an annular portion spaced from said base portion, and...
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5161587 |
Pencil sharpener with acoustical and lamplight indicating effect
The present invention is directed to a pencil sharpener that incorporates a conductive sharpening blade element for sharpening the pencil wherein the blade element is positioned along an inner wall...
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5052453 |
Structure of pencil sharpener
A pencil sharpener, comprising an audio circuit reporter which gives audio signal to report that pencil has been well sharpened. The audio circuit reporter is comprised of an audio circuit, a dry...
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4601316 |
Electric pencil sharpener
A pencil sharpener which includes a sliding safety shield preventing operation of the sharpener with the pencil drawer removed and further preventing a pencil to be inserted into the sharpener so...
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4050487 |
Electric sharpener
An electric sharpener is disclosed, wherein its sharpener section is driven by a motor powered from a self-contained battery in an arrangement that said motor and a reduction means for transmitting...
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3937239 |
Time delay mechanism for pencil sharpener
A time delay mechanism positioned in the pencil sharpener housing near the entry point of the pencil delays the entry of the pencil into the sharpening cavity and simultaneously moves the helical...
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3889730 |
Pencil sharpener
A battery powered pencil sharpener is provided and including a charging receptacle with current source for recharging said battery power source. The pencil sharpener includes a two piece housing...
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3776286 |
DRAWING LEAD SHARPENER
This invention relates to an improved power operated drawing lead sharpener used for sharpening the drawing leads for mechanical drafting operations. The specification discloses an improved cutting...
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3678975 |
ELECTRIC PENCIL SHARPENER
An electric pencil sharpener including a pencil holding unit provided with a start switch, a motor circuit to which there are connected an electric motor and rotating sharpening mechanism operated...
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3595285 |
MOTORIZED DRAWING LEAD SHARPENER
A motorized drawing lead sharpener used in conjunction with mechanical type lead pencils, such as used by engineers and draftsmen. Said sharpener includes a cutting assembly, wherein the cutting...
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3556182 |
ELECTRIC PENCIL SHARPENER
An electric pencil sharpener comprises a cylindrical cutter and a rotary shaft having a pencil-feeding hole. A slider is disposed at the rear inner portion of the hole and connected with a rod...
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3486540 |
ELECTRIC PENCIL SHARPENER
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3289641 |
Pencil sharpener
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3229670 |
Lead pointer
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3208435 |
Pencil sharpening device
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3175539 |
Electric lead and pencil sharpener
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3152581 |
Lead pointing device
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3134365 |
Electric pencil sharpener
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3106910 |
Electrical pencil cutter
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3090358 |
Sharpening device for pencil leads
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3026848 |
Power driven pencil sharpeners
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3004522 |
Battery operated pencil sharpener
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2989947 |
Lead pointing machine
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2926633 |
Lead pointer
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2914030 |
Sharpener for leads of pencils or the like
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2900958 |
Electric pencil sharpener
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2872900 |
Power operated drawing-lead sharpener
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2851009 |
Lead pointer
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2822781 |
Electric pencil sharpener
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