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5826811 |
Method and apparatus for securing a reel in a cartridge
A plug inserted into the access opening of a tape cartridge to prevent movement of the reel inside the cartridge. Damage to the tape media is thus prevented by contact of the reel with the tape...
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5667160 |
Microfilm cartridge assembly with integral hub system
A microfilm cartridge assembly is effective for increased transfer speed of film and for reduced noise levels during winding. The microfilm cartridge assembly includes a housing having front and...
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5517377 |
Endless-loop tape cassette with backstop and transmission mechanism
An endless-loop tape cassette includes an endless-loop magnetic tape; and a disk which has a portion of the magnetic tape wound in a stack thereon, and which is rotatable along with one of a supply...
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4494703 |
Endless tape cassette
A magnetic endless tape is made with a half of a normal tape width to avoid the tape housed in the housing from being pressed with unreasonable force; and a reel is provided with flanges as its...
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4462553 |
Endless cassette tape for video tape recorder
An endless cassette tape for a video tape recorder has a length which is the sum of the length of the outer rim of a section including a supply reel and a take-up reel and at least the length of...
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4283022 |
Double-volumed tape cartridge operative at two ends
A tape cassette comprising a cassette housing consisting of two substantially identical sections; a pair of reel spindles on one housing section and beside either end of the tape cassette; a slot...
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4254917 |
Reel for tape cassette
A reel for a tape cassette comprises reinforcing ribs connected, in the radial direction, with an inner peripheral surface of a magnetic tape winding core which is coaxially placed to the rotary...
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4236678 |
Endless ribbon cartridge
A freely rotatable spool having an endless loop of printer ribbon wound around it is disclosed. The ribbon is withdrawn from the inner periphery of the coil and is simultaneously wound onto the...
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4198134 |
Film cartridge
Film cartridge for use in viewing motion picture film having means forming a framework with an index plate with an aperture therein. A continuous length of film having perforations along one edge...
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4155514 |
Continuous loop tape cartridge including rewind means
A continuous loop tape cartridge including a housing in which an endless tape is wound as a coil on a main hub disposed within the housing. During operation the tape is withdrawn from the center of...
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4138700 |
Container for using a miniaturized cartridge in an eight-track player
A miniaturized tape cartridge is provided and which is designed to fit within a cartridge container of dimension allowing the container/cartridge assembly to be inserted into and played in a...
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4054925 |
Endless loop recorder having temperature compensated tensioning
A data recorder comprising a recording medium in the form of an endless loop of magnetic tape, and one or more magnetic heads, the magnetic tape being wound around former means comprising a...
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4023745 |
Endless tape cartridge
An endless tape cartridge has upper and lower casings, and a reel contained in a room formed in the casings and consisting of a winding core and a disc, wherein an endless tape is led from the...
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4015790 |
Tape cartridge
A cartridge for an endless magnetic tape with a reel having (1) a tape deck and an upwardly and inwardly tapered column with a wide cap to support the tape on the deck; (2) ribs and openings in the...
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4013239 |
Continuous loop tape cassette
A continuous loop tape cassette with a rotating tape coil carried by a flanged, reverse e-shaped hub in fixed radial angular relation to the base of the cassette. A tape receiving arc portion of...
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3993262 |
Tape spool
A tape spool for supporting an endless magnetic tape in a magnetic tape cartridge is cold formed from a single piece of flat plastic stock with upstruck hub segments of a predetermined...
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3982701 |
One piece core and platform for endless tape cartridges
This invention relates to an integrally molded core and platform for an endless array of magnetic tape for use in cartridges. The core is integrally connected to the platform in a one-piece...
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3967788 |
Endless loop cassette
Improved endless loop film cassettes which allow film to be unwound and rewound about a common reel by removal of the innermost convolution of film from the center of the film pack without...
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3942734 |
Tape cartridge
A cartridge for an endless magnetic tape which includes a tape reel, a pressure roller and a drive connection between the pressure roller and a portion of the tape reel. In this way, the pressure...
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3918569 |
Endless printer ribbon cartridge apparatus
An endless ribbon printer cartridge and cartridge mechanism apparatus is provided having a cartridge having a plastic housing with a pair of spaced rollers rotatably attached inside the housing. An...
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3917186 |
Magnetic tape spool
A tape spool for an endless magnetic tape cassette is integrally formed of a polymeric resin and includes a pair of spaced inner and outer concentric circular base sections and angularly spaced...
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3913857 |
Long play film cartridge
A continuous long play projector cartridge adapted to carry an endless spiral roll of film measuring 3,000 feet in length or more and wherein a film holding rotor supports said spiral roll of film...
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3863853 |
ENDLESS MAGNETIC TAPE CARTRIDGE
An endless-tape cartridge comprises, essentially, a spool housing a wound body of an endless tape. A housing rotatably supports the spool. A tape outlet is provided at a high position on a side...
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3854669 |
CARTRIDGE FOR ENDLESS COIL OF TAPE
Cartridge for holding an endless coil of tape having innermost and outermost turns connected by a connecting loop. The cartridge has a bottom, a cover and a stationary support projecting upwardly...
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3796387 |
HUB-PLATFORM ASSEMBLY FOR CONTINUOUS-LOOP TAPES
A hub-platform assembly for a continuous loop magnetic tape cartridge in which the hub is rotatably mounted in a center hole in the platform, and the platform includes a set of angularly spaced...
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3756535 |
ANTI-FRICTION DISK FOR STRIP MATERIAL CARTRIDGE
An anti-friction disk for a motion picture film cartridge includes an elongated, cylindrical central hub portion with a metal ring at the outer edge. The metal ring adds rigidity to the cylindrical...
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3753533 |
TAPE REEL
The disclosure includes an improved tape reel structure for use in a magnetic tape cartridge. The complete cartridge includes an endless tape which is wound about the tape reel and in which the...
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3724771 |
HUB-PLATFORM ASSEMBLY AND LOOP-SIZING METHOD
A hub-platform assembly for a continuous loop magnetic tape cartridge in which the hub is mounted on the platform for indexing between angularly spaced winding and stripping positions and for axial...
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3718297 |
CONTINUOUS LOOP MAGNETIC TAPE CARTRIDGE
A reel hub and turntable are journalled to one side of a cartridge housing for receiving and supporting one side of an endless coil of magnetic tape. Tape guide means are attached to the sides of...
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3706422 |
ENDLESS TAPE CARTRIDGE
According to the present invention, a magnetic tape is allowed to run in a normal way and can be taken up on a hub in a convoluted manner, even if the endless cartridge is mounted upside down, on a...
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3697009 |
FILM CARTRIDGE FOR ENDLESS FILM
A film cartridge designed to carry an endless roll of film having a rotatably-mounted drive member with a central hub portion and a flange portion. The spiral roll portion of the endless film is...
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3695535 |
FILM FEEDING DEVICE
A film cartridge designed to carry on endless film which, when inserted in a movie projector, provides a film drive system for feeding the inner ends of the film's spiral roll into a film guide...
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3677628 |
REVERSIBLE ENDLESS LOOP CARTRIDGE PROJECTOR FOR TEACHING MACHINES
A motion picture projector for educational purposes is provided using an endless loop cartridge. The projector has a step advance for projecting single frames or motion pictures and has also a...
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3675867 |
MAGNETIC TAPE SPOOL AND CARTRIDGE
The tape spool in an endless magnetic tape cassette is an integrally one piece molded unit of a polymeric resin and includes a thin circular base, a thin walled coaxial hub including a cylindrical...
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3669374 |
COMBINED ENDLESS LOOP FILM AND ENDLESS LOOP MAGNETIC TAPE CARTRIDGE
A pair of reels holding endless loops of film, and magnetic recording tape, respectively, are nested wholly, or partly with one reel located within an unobstructed space beneath the rim of the...
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3666202 |
SINGLE REEL MAGNETIC TAPE UNIT
A standard 9-track, half-inch, 300-foot mini-reel of magnetic tape, having a relatively large endless polyethylene belt loosely encircling the tape, is inserted into a cartridge have a U-shaped...
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3653601 |
ENDLESS TAPE MAGAZINE
An endless magnetic tape magazine constructed as an oblong box for use on a conventional recording/playback apparatus having a pair of winding spindles. Two pair of aligned apertures are provided...
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3645539 |
DELAY LOOP TAPE CARTRIDGE
A tape delay cartridge device having a continuously moving closed loop of magnetic tape passing adjacent to a record head and subsequently adjacent to a playback head. A secondary loop of the tape...
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3640479 |
CASSETTE TAPE DEVICE
A tape cassette for tape recorders embodying a reel to reel tape and an endless tape wherein the tapes may be driven simultaneously or individually.
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3637151 |
CONTINUOUS LOOP CARTRIDGE
A continuous tape loop is coiled in a cartridge on a rotatable turntable having a hub made of a V-shaped spring member anchored at its midportion to define semicircular yieldable arms with a gap...
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3635414 |
CARTRIDGE CONTAINING TWO ENDLESS LOOPS OF MAGNETIC TAPE
A magnetic tape cartridge for use with standard sound recording and reproducing apparatus is provided with two endless loops of tape coiled on a separate hub and platform assembly, each guided past...
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3617010 |
SPOOL FOR ENDLESS TAPE CARTRIDGE
A molded plastic spool having a tape platform for an endless array of magnetic tape and a hub with an upper hub extension thereon is formed in one piece to replace presently used two-piece spools....
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3593935 |
ENDLESS LOOP TAPE CARTRIDGE
A magnetic tape cartridge houses an endless coiled tape with an exterior loop of tape extending from the inside convolution of the coil, past suitable guide means, over tape head pads and a...
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3550872 |
HUB FOR ENDLESS MAGNETIC TAPE CARTRIDGE
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3532283 |
APPARATUS FOR TRANSPORTING ENDLESS TAPE AT HIGH SPEED
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3524602 |
ENDLESS RIBBON CARTRIDGE
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3481551 |
ENDLESS TAPE CARTRIDGE
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3471096 |
ENDLESS TAPE RECORDER AND CARTRIDGE
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3468490 |
CONTINUOUS LOOP RECORDING TAPE CARTRIDGE
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3443768 |
ENDLESS TAPE CARTRIDGE
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