JPH0449626Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to a film monitor/viewer/splicer capable of monitoring, cutting, and splicing photographed film.

"Prior Art and its Problems" Conventionally, in photolithography, when editing photographed film, a film monitor for inspecting the film and a film splicer for cutting or splicing the film have been separated. I had it ready.

Providing separate film monitors and film splicers in this way is wasteful and inconvenient to store.

``Purpose of the invention'' The present invention was made based on the above-mentioned problem awareness, and an object of the present invention is to provide a film splicer that can be used as a monitor and a splicer that can be used to monitor and splice a film.

"Summary of the invention" This invention was developed by focusing on the fact that the monitor viewer and the splicer have many parts that can be used in common. and a unit mounting part located between the pair of spool mounting parts; and a lighting unit and a splicer unit that are selectively mounted on the unit mounting part of this main body, and the lighting unit is The splicer unit includes an illumination light source that illuminates the film held between the pair of spool mounting parts from the back side thereof, and a diffusion plate, and the splicer unit has a cutter blade for cutting the film held between the pair of spool mounting parts. It is characterized in that it is provided with a cutter blade guide groove in a direction perpendicular to the longitudinal direction of the film.

According to the present invention having the above-mentioned structure, it can be easily used as a film monitor and a splicer by simply sharing the bulky main body and replacing the illumination unit and the splicer unit.

Furthermore, if the splicer unit is provided with a plurality of positioning pins that engage and disengage at a fixed position the perforation of the film held between the pair of spool attachment parts, it is possible to easily hold the perforated film in a fixed position. Can be cut.

According to the present invention having the above-mentioned structure, it can be easily used as a film monitor and a splicer by simply sharing the bulky main body and replacing the illumination unit and the splicer unit.

"Example of idea" The invention will now be described with reference to the illustrated embodiments.

This film monitor/splicer consists of three parts: a main body 10, an illumination unit 60, and a splicer unit 70. The main body 10 has a front wall 11, a bottom wall 12, and a rear wall 13, and has a U-shaped side surface with an open top and both sides. Front wall 11 and rear wall 1 on both sides of this main body 10
Spool attachment mechanisms 20, 20 are provided between the two to allow attachment and detachment of spools 40, 42 on which the film F is wound or taken up. Both spool attachment mechanisms 20 are provided symmetrically, and the same parts are given the same reference numerals.

The spool shaft 21 to which the spool 40 can be attached and detached is
It is rotatably supported by a bearing 22 fixed to the rear wall 13 of the main body 10 so as not to move in the axial direction. A driven pulley 23 is fixed to the rear end of the spool shaft 21 that protrudes rearward from the bearing 22, and a spool fixing screw 24 is attached to the front end on the front wall 11 side.
are screwed together. The front wall 12 is cut out so that the spool 40 can be inserted into and removed from the spool shaft 21 from the front.

Below the spool shaft 21, a shaft 25 is supported between the walls 11 and 13 via a bearing so as to be rotatable but not to move in the axial direction. A drive pulley 26 is fixed to the end of the shaft 25 that projects rearward from the rear wall 13. A belt 27 is attached to the driven pulley 23 and the drive pulley 26.
is wrapped around it. Furthermore, these pulleys 2
A protective cover 28 is attached to the outside of 3 and 26.

On the other hand, a knob 29 is attached to the protruding end of the shaft 25 that penetrates the bearing attached to the front wall 12 and protrudes forward.
is fixed. A knob 30 is attached to this knob 29 at an eccentric position. Therefore, when you pinch this knob 30 with your fingers and turn the knob 29, the shaft 25, drive pulley 26, belt 27,
The spools 40 and 42 rotate via the driven pulley 23 and the spool shaft 21.

Guide rollers 31 and 31 are provided between and near the spools 40 and 42, respectively, for guiding the film F between the spools 40 and 42 while maintaining a flat state.

Further, between the guide rollers 31 and 31, a unit mounting portion 1 is provided for selectively mounting the illumination unit 50 and the splicer unit 60.
4 is formed. In this unit mounting portion 14, guide rails 32, 32 are spanned between the front and rear walls 11, 13 at a predetermined interval. The guide rails 32, 32 are for holding the illumination unit 50 and splicer unit 60 in predetermined positions.

In addition, cutouts 11a and 13a are formed in the front and rear walls 11 and 13 of the unit mounting portion 14, respectively, for placing fingers on each unit 50 and 60 when attaching and detaching them.
A notch 11b is formed to accommodate the positioning shaft 62 of 0.

Next, the illumination unit 50 will be explained with reference to FIGS. 3 and 4. lighting unit 50
A tubular light source 52 is disposed inside a housing 51, and a milky white diffuser plate (acrylic plate) 5 is placed in front of the light source 52.
3 is disposed, and is a surface light source that illuminates the entire surface of the diffuser plate 53 with uniform brightness. Note that the shape and size of the effective light emitting surface of the diffuser plate 53 are slightly larger than one screen of the film F. Reference numeral 54 in FIG. 3 is a power cord for supplying power to the light source 52, and a switch is attached in the middle.

The splicer unit 60 will be explained with reference to FIGS. 5 and 6. This splicer unit 60 has a housing 61 which has almost the same external shape as the housing 51 of the illumination unit 50 and has walls on six sides, and a positioning shaft 62 located approximately in the center of the housing 61 that is orthogonal to the running direction of the film F. is installed. An eccentric cam 63 is fixed approximately at the center of the positioning shaft 62, and a knob 64 is fixed to the end protruding from the housing 61.

Further, within the housing 61, a positioning plate 66 is provided above the eccentric cam 63 and is movable up and down, in which a plurality of positioning pins 65 that can be fitted into the perforation P of the film F are implanted. Each positioning pin 65 can protrude from a hole 61a bored in the upper wall of the housing 61, respectively. Also, housing 6
A spring member (not shown) that always biases the positioning plate 66 in the direction of the eccentric cam 63 is interposed between the upper wall of the positioning plate 66 and the positioning plate 66 . Therefore, the positioning plate 66 is in constant contact with the eccentric cam 63 and moves up and down in accordance with the rotation of the positioning shaft 62, causing the positioning pin 65 to move in and out of the housing 61a and to engage and disengage from the perforation P.

Further, a cutter blade guide groove 61b for guiding a cutter blade for cutting the film F in a direction perpendicular to the traveling (longitudinal) direction of the film F at the center of the housing 61.
is formed. By sliding the cutter blade along the cutter blade guide groove 61b, the film F can be cut linearly.

Furthermore, the cutter blade guide groove 6 is provided on the upper surface of the housing 61.
Film holding plates 67, 67 are attached to both sides of 1b. The rear edge of each film holding plate 67 is rotatably supported on the edge of the housing 61 via a hinge. This film holding plate 67 has
Hole 67 that fits into pin 65 protruding from hole 61a
a,... are punctured.

Next, how to use the above embodiment will be explained. When used as a monitor, the lighting unit 50 is connected to the guide rail 3 from the rear wall 13 side.
2 into the unit mounting section 14.
Next, the spool 40 on which the film F is wound is inserted into the spool shaft 21 and fixed with the spool fixing screw 24. Then, the tip of the film F is fitted into the notch in the shaft of the other spool 42, and the knob 29 is turned to tighten the film F. The illumination unit 50 is turned on to turn on the light source 52, the knob 29 is turned to move and stop the film F as desired, and the screen of the film F is observed. When the observation is finished, rewind the film F onto the spool 40, and
from the spool shaft 21.

When used as a splicer, remove the illumination unit 50 from the unit mounting part 14, then attach the splicer unit 60, and attach the spool 40 wound with the film F to be cut onto the spool shaft 2.
Attach it to 1. Raise the film holding plate 67, rotate the positioning shaft 62 to pull the pin 65 into the housing 61, and then insert the film F into the cutter blade guide groove 61.
b, and align the cut points between the screens with the cutter blade guide groove 61b.

Here, operate the positioning shaft 62 to make the pin 65 protrude and insert it into the perforation P, lower the film holding plate 67, fit the pin 65 into the hole 67a, and hold the film F on the plane of the film holding plate 67. Press it against the top surface of the casing 61. With the above operations, the position of the film F is fixed and its flatness is maintained. In this state, insert the cutter into the cutter blade guide groove 6.
The film F can be cut by sliding it along 1b. Also, like conventional splicers, splicing can be performed.

After cutting, the film holding plate 67 is raised and the pin 65 is lowered, and then the film F is rewound onto the spool 40 or the cut film F is stored.

As described above, according to this embodiment, it becomes a film viewer and a film splicer just by replacing the unit, and since the unit is attached and detached by sliding it from the rear of the main body 10, it is easy to replace the unit even when the film F is attached. becomes possible.

The present invention has been described above with reference to the accompanying drawings, but it will be more convenient if a unit storage section 100 is provided in the main body 10 at the position shown by the chain line in FIG. 2 to store the unit that is not in use.

Further, the power cord 54 of the lighting unit 50 may be provided on the main body 10, and a pair of connectors may be provided on the lighting unit 50 and the unit mounting portion 14, and power may be supplied to the lighting unit 50 via this connector.

``Effects of the Invention'' As is clear from the above explanation, the present invention has a spool attachment mechanism and shares a bulky main body, and can easily be used as a film monitor and splicer by simply replacing the lighting unit and the splicer unit. It is very convenient and easy to store.

[Brief explanation of the drawing]

Fig. 1 is a plan view of the main body of an embodiment of the film splicer used as a monitor of the present invention, Fig. 2 is a front view of the main body, Fig. 3 is a plan view of the illumination unit of the same embodiment, and Fig. 4. 5 is a plan view of the splicer unit of the same embodiment, and FIG. 6 is a sectional view taken along the line - of FIG. 5. 10...Main body, 14...Unit attachment part, 20
... Spool mounting mechanism, 21 ... Spool shaft, 2
2... Bearing, 23... Pulley, 24... Spool fixing screw, 25... Shaft, 26... Pulley, 2
7...Belt, 28...Protective cover, 29...Knob, 30...Knob, 32...Guide rail, 4
0,42...Spool, 50...Lighting unit,
51... Housing, 52... Light source, 60... Splicer unit, 61... Housing, 61b... Cutter blade guide groove, 62... Positioning shaft, 63... Eccentric cam, 65... Pin, 66 ...Positioning plate, 67...
...Film holding plate.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A main body having a pair of spool attachment parts spaced apart by one or more film frames and a unit attachment part located between the pair of spool attachment parts; and It consists of a lighting unit and a splicer unit that are selectively mounted on the unit mounting section of this main body. The splicer unit includes a cutter blade guide groove in a direction perpendicular to the longitudinal direction of the film for guiding a cutter blade for cutting the film held between the pair of spool attachment parts. Features: A splicer that can be used as a film monitor. (2) The splicer as claimed in claim 1, wherein the splicer unit further comprises a plurality of positioning pins that engage with and disengage from the perforation of the film at predetermined positions.