JPS6127741Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention enables a phototypesetting machine to carry out the attachment and detachment in a normal and safe manner when attaching and detaching a magazine containing a drum wrapped with photographic paper to and from the machine frame. This invention relates to a magazine attachment/detachment safety device with functions.

When performing phototypesetting work, if the photo area of the magazine fixed on the machine frame is closed by a light-shielding plate, it will be impossible to print on the photographic paper wrapped around the drum inside the magazine, resulting in a long period of time. Before printing, it is necessary to check whether the light shielding plate is open or not, otherwise the printing work would be wasted.
Similarly, when removing the magazine from the machine frame after printing is completed, make sure that the light shielding plate is closed, as doing so with the light shielding plate open will expose the photographic paper that was previously printed to light for a long time. There is a need.

In order to solve these problems, the present invention requires that the magazine be completely fixed on the machine frame and that the printing operation cannot be performed unless the light-shielding plate is completely opened, and the light-shielding plate must be closed. The present invention provides a magazine attachment/detachment safety device for a phototypesetting machine configured such that the magazine cannot be removed.

The embodiments of the present invention will be explained with reference to the drawings: 1
is a magazine formed in the shape of a rectangular box, and a horizontally long rectangular opening 2 is bored in the upper part of the rear wall plate 1a. It is opened and closed by a light shielding plate 4 that moves up and down along the same direction.

Reference numeral 5 denotes a shaft that is rotatably installed horizontally between the lower front ends of both side wall plates 1b and 1b' of the magazine 1, and is used to operate the light shielding plate opening/closing levers 6 and 6 disposed along the inner surfaces of both side wall plates 1b and 1b'. The front end is integrally fixed,
The rear end portions of these opening/closing levers 6, 6 are connected to the lower ends of both sides of the light-shielding plate 4 mentioned above by appropriate fittings 7.

8 is a switch lever whose upper end is integrally fixed to one end of the shaft 5 protruding from one side wall plate of the magazine 1, and is interlocked with the opening/closing lever 6;
When the light shielding plate 4 opens the photographic aperture 2, its lower end protrudes downward from the bottom plate 1c of the magazine 1.

Reference numeral 9 denotes an operating lever fixed integrally with the switch lever 8 at the protruding end of the shaft 5. A knob 10 is attached to the upper end of the operating lever 9, and the knob 10 is kept at all times by the action of a spring (not shown) as is known in the art. The shaft end of the knob protruding from the inner surface of the upper end of the operating lever 9 is slidably inserted into the arcuate groove 11 bored in the upper front end of the side wall plate 1b by pressing it toward the side wall plate 1b. It is adapted to engage and disengage with positioning notches 12a and 12b provided at both ends.

Reference numeral 13 denotes a machine frame on which the magazine 1 is detachably mounted, and a pair of front and rear guide members 14, 14 are arranged side by side on the upper surface of the frame.
The magazine 1 is guided to a predetermined location on the frame 13 while slidingly contacting the lower portions of the front and rear wall plates of the magazine 1 with the opposing surfaces of the guide members 14, and the other end of the magazine 1 is placed on a stopper 15 protruding between the other ends of these guide members 14, 14. The magazine 1 is fixed at a predetermined position by abutting the lower end of the side wall plate 1b'.

Reference numeral 16 indicates a frame 13 below the switch lever 8 when the magazine 1 is fixed.
A safety switch 17 arranged on the lower surface side of the frame 13 faces the notch hole 16 made on one side, and when the switch lever 8 is locked in the notch hole 16, it is safe. The safety switch 17 is closed by bringing the lower end of the switch lever 8 into contact with the switch 17, and a shutter or the like electrically connected to the safety switch 17 can be operated.

With the above structure, after wrapping photographic paper around the drum 18 in the magazine 1, the magazine 1 is moved to the guide member 1 on the machine frame 13 of the phototypesetting machine.
4 and 14 and attach it to a predetermined position on the frame 13. In this state, the safety switch 17 is open, so the shutter 19 etc. will not operate even if you press the typesetting key for printing. Although not performed, when the knob 10 is moved from one notch 12a to the other notch 13b along the arcuate groove 11, the shaft 5 is rotated clockwise in FIG. The light shielding plate opening/closing lever 6 and the switch lever 8, which are fixed to each other, rotate in the same direction.

Therefore, the light shielding plate 4 is moved down by the light shielding plate opening/closing lever 6 to open the photographic aperture 2, and at the same time, the switch lever 8 engages with the notch 16 of the frame 13 to fix the magazine 1, and at the same time, the safety switch 17 is activated.
is closed, allowing the printing mechanism to operate.

In this state, when a desired character is selected from the dial 20 on which the alphabets are arranged in a well-known manner and the shutter 19 is turned on in line with the aperture, the image of the alphabet is projected onto the lens 2 of the lens turret 22 by the light from the light source 21.
3. Shutter 19, deformable lens 24, mirror 2
5. Printed on the photographic paper wrapped around the drum 18 through the collimating lens 26, mirror 27, and moving lens system 28. Each time a character is printed, the rotary shaft 29 of the drum 18 is rotated via the vertical feed gear 30 by lever operation. let

Once the typesetting is completed, the magazine 1 is removed from the machine frame 13 and moved to the developing and fixing section.
Even if an attempt is made to pull out the magazine 1 from above along the guide members 14, 14, the switch lever 8 is engaged with the notch hole 16, which prevents the magazine 1 from being removed with the aperture 2 open. , slide the knob 10 along the arcuate groove 11 to the original notch 1.
2a, the light shielding plate 4 closes the photographic aperture 2 by rotating the light shielding plate opening/closing lever 6, and at the same time, the switch lever 8 separates from the notch hole 16, making it possible to take out the magazine 1. It is something.

As described above, the present invention provides a magazine 1 that is removably mounted on the frame 13 of a phototypesetting machine, and an opening/closing lever 6 of a light-shielding plate 4 that opens and closes the exposure 2 of the magazine 1, and an opening/closing lever 6 that is interlocked with the opening/closing lever 6. A switch lever 8 that engages and disengages is rotatably attached to a notch hole 16 bored in the frame 13, and a safety switch 17 is disposed below the notch hole 16 so that the opening/closing lever 6 can be opened and closed. The magazine 1 is related to a magazine attachment/detachment safety device for a phototypesetting machine characterized in that the safety switch 17 is actuated by the switch lever 8 when the light shielding plate 4 is opened to enable printing work. If only the safety switch 17 is mounted on the machine frame 13,
does not operate in any way, making printing work impossible and completely eliminating unnecessary printing work.Furthermore, by simply rotating the light-shielding plate opening/closing lever 6, the switch lever 8 can be opened and closed in one piece. The safety switch 17 is actuated simultaneously with the opening of the light shielding plate 4, thereby easily and reliably completing the preparation for printing.

Also, even if you try to remove the magazine 1 unexpectedly after printing, the switch lever 8 will not move from the frame 1.
Since it is locked in the notch hole 16 of 3, it cannot be removed, and the light shielding plate 4 cannot be removed by operating the opening/closing lever 6.
Since the switch lever 8 is removed from the notch hole 16 only after the magazine 1 is closed, the photographic paper wound around the drum in the magazine 1 is reliably exposed to light, and the work can be carried out smoothly and efficiently.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; Fig. 1 is a partially cutaway side view, Fig. 2 is a partially cutaway side view with the magazine fixed, and Fig. 3 shows the magazine in a removable state. The partially cutaway side view shown in FIG. 4 is a simplified explanatory diagram of a phototypesetting machine equipped with a magazine. 1...Magazine, 2...Photograph, 4...Shading plate,
6...Open/close lever, 8...Switch lever, 13
... Frame, 16 ... Notch hole, 17 ... Safety switch.

Claims (1)

[Scope of utility model registration request] A magazine 1 that is detachably mounted on a frame 13 of a phototypesetting machine is provided with an opening/closing lever 6 of a light-shielding plate 4 that opens and closes an aperture 2 of the magazine 1, and a hole is provided in the frame 13 in conjunction with this opening/closing lever 6. A switch lever 8 that engages and disengages from the notch hole 16 is rotatably pivoted, and a safety switch 17 is provided below the notch hole 16 so that the switch lever 8 can be moved when the light shielding plate 4 is opened by the opening/closing lever 6. 8, the safety switch 17 is actuated to enable printing work.