Abstract: A thermal printer is used with thermosensitive recording sheet. The recording sheet includes a support, and at least one thermosensitive coloring layer, formed on the support, colorable with heat, and fixable with violet or ultraviolet rays. The recording sheet has a recording region, and first and second lateral sides between which the recording region is disposed. The thermal printer includes a feeder roller set for conveying the recording sheet along a conveying path. The first and second lateral sides are set to extend in a direction of the conveying path. A thermal head applies the heat to the coloring layer during conveyance of the recording sheet along the conveying path, to record an image. A fixer applies the violet or ultraviolet rays to the recording sheet being colored during conveyance of the recording sheet along the conveying path, to fix the coloring layer.

Abstract: A photo film cassette has photo film (12) contained in a roll form. The photo film is advanced to an outside of a cassette shell (11) when a spool core (26) is rotated in an unwinding direction. Two flexible flanges (27, 28) are secured to the spool core, and render edges of the photo film neat. Bearing holes (27a, 28a) are formed respectively in a middle of the flanges, for insertion of the spool core. The first bearing hole (27a) in the first flange (27) has a first diameter .phi.H. A first stopper ring (67) is associated with the first flange, for preventing the first flange from being moved away from the photo film. The first stopper ring has a second diameter. A receiving region lies between the first stopper ring and a second stopper ring (65), contacted on the edge of the first bearing hole in the first flange supported in the receiving region, for preventing the first flange from being moved toward the photo film. A circumference of the spool core includes at least first and second sections (.theta.

Abstract: A photographic film cassette has a rotatable spool on which photographic film is wound. A leader of the photographic film is advanced outward through a passage port by rotation of the spool in an unwinding direction. A shutter rod is arranged in the passage port, and is rotated between closed and open positions. When assuming the closed position, the shutter rod blocks the passage port to shield the ambient light. When the shutter rod assumes the open position, the photographic film is allowed to pass. An externally operable locking lever regulates rotation of the shutter rod, and is swingable with resilience between a locking position, where the shutter rod is locked in the closed position, and an unlocking position, where the shutter rod is unlocked. When the spool is rotated, the lever rotates the shutter rod to the open position.

Abstract: A cassette for containing photographic film has a spool which is provided with retaining claws for retaining a trailer of the photographic film. A cassette port communicates the spool chamber to the outside. To load the photographic film into a cassette, a loading apparatus picks up the trailer with an inserter jig. The inserter jig is passed through the passage port, and is brought to the spool so as to insert the trailer into the cassette shell. The trailer is retained on the spool with the retaining claws. The inserter jig is then drawn out of the cassette shell. Then the spool is rotated in order to wind the photographic film around the spool, fully into the cassette shell. To remove exposed photographic film from such a cassette, the photographic film is drawn and unwound. A separator jig, as passed through the passage port, is brought to the spool. The trailer is released from retention on the retaining claws by use of the separator jig.

Abstract: A photographic film cassette has a rotatable spool on which photographic film is wound. A leader of the photographic film is advanced outward through a passage port by rotation of the spool in an unwinding direction. A shutter rod is arranged in the passage port, and is rotated between closed and open positions. When assuming the closed position, the shutter rod blocks the passage port to shield the ambient light. When the shutter rod assumes the open position, the photographic film is allowed to pass. An externally operable locking lever regulates rotation of the shutter rod, and is swingable with resilience between a locking position, where the shutter rod is locked in the closed position, and an unlocking position, where the shutter rod is unlocked. When the spool is rotated, the lever rotates the shutter rod to the open position.

Abstract: A method and apparatus for attaching a film to a spool. A cassette shell rotatably contains the spool and the roll of the photo film. Two retaining holes are formed in a trailer of the photo film. A slot is formed in the spool, in an axial direction of the core, receives the trailer, and has a first rigid wall and a second flexible wall. Two retaining hooks are projected from the rigid wall, and are fitted in the respective retaining holes to retain the trailer in the slot. Two preventive ridges are projected from the flexible wall, and avoid disengagement of the retaining holes from the retaining hooks. The trailer is inserted through a passage mouth of the cassette by an insertion device and firmly secured on the core. The flexible wall has a gap, and defines two flap portions such that an original form is recoverable resiliently. The preventive ridges are disposed on the respective flap portions.

Abstract: A cassette for containing photographic film has a spool which is provided with retaining claws for retaining a trailer of the photographic film. A cassette port communicates the spool chamber to the outside. To load the photographic film into a cassette, a loading apparatus picks up the trailer with an inserter jig. The inserter jig is passed through the passage port, and is brought to the spool so as to insert the trailer into the cassette shell. The trailer is retained on the spool with the retaining claws. The inserter jig is then drawn out of the cassette shell. Then the spool is rotated in order to wind the photographic film around the spool, fully into the cassette shell. To remove exposed photographic film from such a cassette, the photographic film is drawn and unwound. A separator jig, as passed through the passage port, is brought to the spool. The trailer is released from retention on the retaining claws by use of the separator jig.

Abstract: A photo film cassette has a spool (15). With photo film (14) wound, the spool is contained in a cassette shell (13, 71) in rotatable fashion. Rotation of the spool causes the photo film to advance to an outside of the cassette shell. A tongue (56, 72) is formed by cutting a slit (62) having a shape of a cornered line in a wall of the cassette shell (13, 71). The tongue, when folded, signals a developed status of the photo film. A groove (61a) is formed in the tongue, is extended across the tongue, and renders the tongue flexible. A support (58, 71a) is disposed on an inside of a wall of the cassette shell and across the slit, is contacted on an inside of the tongue, and prevents the tongue from being bent toward an inside of the cassette shell while the tongue is pressed with force below a predetermined range.

Abstract: A photo film cassette contains a spool, on which the photo film is wound as a roll. A cassette shell rotatably contains the spool and the roll of the photo film. Two retaining holes are formed in a trailer of the photo film. A slot is formed in the spool, is extended in an axial direction of the core, receives the trailer, and has a first rigid wall and a second flexible wall. Two retaining hooks are projected from the rigid wall, and are fitted in the respective retaining holes to retain the trailer in the slot. Two preventive ridges are projected from the flexible wall, and avoid disengagement of the retaining holes from the retaining hooks. The trailer is thus firmly secured on the core. The preventive ridges are formed to be retractable away from the rigid wall. The flexible wall has a gap, and defines two flap portions such that an original form is recoverable resiliently. The preventive ridges are disposed on the respective flap portions.

Abstract: A cassette for containing photographic film has a spool which is provided with retaining claws for retaining a trailer of the photographic film. A cassette port communicates the spool chamber to the outside. To load the photographic film into a cassette, a loading apparatus picks up the trailer with an inserter jig. The inserter jig is passed through the passage port, and is brought to the spool so as to insert the trailer into the cassette shell. The trailer is retained on the spool with the retaining claws. The inserter jig is then drawn out of the cassette shell. Then the spool is rotated in order to wind the photographic film around the spool, fully into the cassette shell. To remove exposed photographic film from such a cassette, the photographic film is drawn and unwound. A separator jig, as passed through the passage port, is brought to the spool. The trailer is released from retention on the retaining claws by use of the separator jig.

Abstract: A composite type magnetic head assembly comprises a first magnetic head, a first base supported on a body of a tape recorder for carrying the first magnetic head, a first supporting mechanism for supporting the first base on the body of the tape recorder such that the first magnetic head is rotatable about a hypothetical axis passing through the first magnetic head in a direction parallel to a tape transport direction, a second base supported on the first base, a second magnetic head supported on the second base in a downstream side of the tape transport direction relative to the first magnetic head, and a second supporting mechanism provided on the base such that the second magnetic head is rotatable about the hypothetical axis independently from the first magnetic head, wherein the first and second magnetic heads are rotated about the hypothetical axis in mutually opposing directions.