JP2952145B2 - Camera and film cartridge take-out device for camera - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera in which a film cartridge is loaded in a cartridge loading chamber, and a film cartridge ejecting device for the camera.

[0002]

2. Description of the Related Art Conventionally, as a method of taking out a film cartridge from a camera, there is a method in which a film cartridge is pushed out by a spring charged at the time of loading when a lid is opened to facilitate taking out.

[0003]

SUMMARY OF THE INVENTION This method is unnecessary
If the lid is opened unexpectedly or if the opening is facing down,
The film cartridge may pop out and fall or be lost.
Was.

[0004] The present invention has been made in view of the above circumstances, and removes a film cartridge from a cartridge loading chamber.
Easy operation and film cartridge
Camera and film cartridge that can prevent falling
It is intended to provide a take- out device .

[0005]

According to the present invention, there is provided a cartridge loading chamber in which a film cartridge is loaded, an opening / closing lid for opening / closing a loading port of the cartridge loading chamber, and a cover provided on the opening / closing lid. When the opening / closing lid is in the first opening position, the opening / closing lid is brought into contact with the film cartridge discharged from the cartridge loading chamber to stop the film cartridge, and the opening / closing lid is opened from the first opening position in the opening direction. A cartridge stopping means for releasing the stop in a state of being moved to the second open position;
The open / close lid is held at the first open position, and when a force in an opening direction is applied to the open / close lid held at the first open position, the open / close lid is moved to the first open position. And a holding means for holding the camera so as to allow the camera to move to the open position of the camera 2.

[0006]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 3 are sectional views of a film cartridge loading chamber of a camera showing a first embodiment of the present invention.

1 to 3, reference numeral 1 denotes a camera body,
a is a film cartridge loading chamber provided in the camera body, 1b is a shaft, 1c is a click hole provided in the camera body 1, 21 is a steel ball, 22 is a click spring, and 22 is a click spring.
The click spring 22 is provided inside the click hole 1c.

Reference numeral 20 denotes a lid of a film cartridge loading chamber, which is rotatably supported on the camera body 1 by a shaft 1b so as to be freely opened and closed. 20a is a stopper provided on the lid 20, 20b,
Reference numerals 20c and 20d denote click grooves provided in the lid 20, respectively. The rigid balls 21 urged by the click spring 22 enter the click grooves, thereby forming a click for regulating the position of the lid 20.

Reference numeral 6 denotes an ejector spring which functions to push out the film cartridge 2 from the film cartridge loading chamber 1a. FIG. 1 shows a state where the lid 20 is opened.

When the hard sphere 21 enters the click groove 20c, the film cartridge 2 located at the open position in FIG. 1 is pushed out of the film cartridge loading chamber 1a by the ejector spring 6;
, So that the film cartridge 2 does not come out of the film cartridge loading chamber 1a any more. Therefore, even if the lid 20 is inadvertently opened, it is possible to prevent the film cartridge 2 from jumping out of the camera body 1 and preventing accidents such as dropping and loss.

When the film container 2 is further pulled out by hand in the state of FIG. 1, the film container 2 pushes the stopper portion 20a of the lid 20 at the portion E, and rotates the lid 20 clockwise.

With the rotation of the lid 20, the rigid sphere 21 rides over the mountain between the click grooves 20c and 20d, and when the steel ball 21 falls into the click groove 20d, the lid 20 is further pushed by the steel ball 21 and rotates clockwise. Then, it stops at the open position in FIG. At this position, the stopper portion 20a can take out the retracted film cartridge 2 from the film cartridge loading chamber 1a.

Next, when the film cartridge 2 is loaded into the camera 1, the film cartridge 2 can be loaded into the film cartridge loading chamber 1a with the stopper 20a retracted as shown in FIG.

FIG. 3 shows a state in which the film cartridge 2 is completely loaded in the film cartridge loading chamber 1a and the lid 20 is closed. The steel ball 21 enters the click groove 20b and the push-out spring 6 is compressed.

The lid 20 is locked in a closed position by a lock member (not shown). In this embodiment, the film cartridge 2 is pushed out of the film cartridge loading chamber 1a by using the eject spring 6, but the eject spring 6 may be omitted.
Can be prevented from falling in the camera position, and the same effect can be obtained.

FIGS. 4 to 7 are sectional views of a film cartridge loading chamber of a camera according to a second embodiment of the present invention.
The same reference numerals are given to the same configurations as those of the embodiment. In these figures, reference numeral 10 denotes a lid of a film cartridge loading chamber, which is rotatably supported on the camera body 1 by a shaft 1b.

10b is a stopper portion, 10c is a contact portion,
Each is provided on the lid 10. Reference numeral 11 denotes a leaf spring which is fixed to the camera body 1. FIG. 4 shows a state where the lid 10 is opened.

The contact portion 10c of the lid 10 contacts the leaf spring 11, and the film cartridge 2 located at the open position in FIG. 4 is pushed out of the film cartridge loading chamber 1a by the ejector spring 6, but at the portion c. The film cartridge 2 comes into contact with the stopper 10b of the lid 10 and does not come out of the film cartridge loading chamber 1a any more.
Therefore, the camera cartridge 1 is moved from the film cartridge 2
Can be prevented, and accidents such as dropping and loss can occur.

In the state shown in FIG. 4, the film cartridge 2 is
When the film cartridge 2 is further pulled out, the film cartridge 2 pushes the stopper portion 10b of the lid 10 at the portion c, rotates the lid 10 clockwise, and the contact portion 10c of the lid 10 pushes and deforms the leaf spring 11 in the direction of the arrow. The stopper 10b is retracted by the clockwise rotation of the lid 10, and the film cartridge 2 can move in the direction of the arrow. This state is shown in FIG.

Thus, the film cartridge 2 can be taken out of the film cartridge loading chamber 1a.

Next, when the film cartridge 2 is loaded into the camera 1, as shown in FIG. 6, the film cartridge 2 and the stopper 10b abut on the portion D, and the cover 10 is rotated clockwise. Is pushed in the direction of the arrow, the stopper portion 20b retreats clockwise against the urging force of the leaf spring 11, and the state shown in FIG.

FIG. 7 shows a state in which the film cartridge 2 is completely loaded in the film cartridge loading chamber 1a and the lid 10 is closed. The push-out spring 6 is compressed, and the lid 10 is locked in the closed position by a lock member (not shown).

FIGS. 8 to 11 are sectional views of a film cartridge loading chamber of a camera as a reference example, and the same components as those in the first and second embodiments are denoted by the same reference numerals.

In these figures, reference numeral 3 denotes a lid of the film cartridge loading chamber 1a, which is rotatably supported by the camera body by a shaft 1b. Reference numeral 3a denotes a shaft provided on the lid 3, and 3b denotes a stopper.

Reference numeral 4 denotes a locking member, and reference numeral 5 denotes a pressing spring. The locking member 4 is fitted on the shaft 3a, is urged by the pressing spring 5, and is stopped by the stopper 3b. FIG. 8 shows a state where the lid 3 is open. The lid 3 comes into contact with the camera body 1, and the film cartridge 2 located at the open position in the figure is pushed out of the film cartridge loading chamber 1a by the ejector spring 6, but comes into contact with the locking member 4 at the portion A, and further. The film cartridge 2 does not come out of the film cartridge loading chamber 1a. Therefore, even if the lid 3 is unexpectedly opened, it is possible to prevent the film cartridge 2 from jumping out of the camera body 1 and causing an accident such as dropping or loss.

FIG. 9 shows a state where the film cartridge 2 is pulled out by hand from the state of FIG. The locking member 4 comes into contact with the side surface of the film cartridge 2 and is pushed in the direction of the arrow against the pressure spring 5 and retracts, so that the film cartridge 2 does not hinder the movement of the film cartridge 2 in the direction of the arrow. It can be taken out of the loading chamber 1a.

Next, the film cartridge 2 is connected to the camera 1
As shown in FIG. 10, when the film cartridge 2 and the locking member 4 come into contact with each other, and the film cartridge 2 is further pushed in the direction of the arrow as shown in FIG. It is pushed in the direction of the arrow in opposition, retracts, and enters the state of FIG. FIG. 11 shows a state in which the film cartridge 2 is completely loaded in the film cartridge loading chamber 1a and the lid 3 is closed. The pushing spring 6 and the pressing spring 5 are compressed, and the lid 3 is locked at a closed position by a lock member (not shown). Reference numeral 2a denotes a position determining hole provided on the film take-up spool in the film cartridge. The blocking member 4 enters the positioning hole 2a of the film cartridge 2 and is pushed by the pressing spring 5 to position and hold the film cartridge 2.

According to the above-described first and second embodiments, the lid for covering the film cartridge loading chamber is temporarily stopped in the half-open area of the lid, whereupon the fall of the film cartridge is stopped, and then the opening direction is further increased. By moving the film cartridge to the position above, the stopped state is released and the film cartridge can be taken out, so that the number of components is small, the size is small, and it is possible to prevent the film cartridge from jumping out of the camera body, dropping or being lost. (Correspondence between the invention and the embodiment) In the above embodiment, the film cartridge loading chamber 1a is the cartridge loading chamber of the present invention, the lid 10 or the lid 20 is the opening / closing lid of the present invention, and the stopper portion 20a or the stopper. The portion 10a corresponds to the cartridge stopping means of the present invention, and the click groove 20c, the hard sphere 21, and the click spring 22 or the contact portion 10c and the leaf spring 11 correspond to the holding means of the present invention.

In the above embodiment, the member for temporarily stopping the removal of the film cartridge from the film loading chamber is provided integrally with the lid of the film cartridge. However, the present invention is not limited to this. And it may be a part of the lid.

Further, it goes without saying that the present invention can be widely applied not only to film cartridges but also to other types of cartridges and batteries which are taken out from the camera.

Further, in the present invention, the above embodiments or their technical elements may be combined as required.

[0033]

As described above, according to the present invention,
It is an object of the present invention to provide a camera capable of preventing the film cartridge from dropping when the film cartridge is removed from the cartridge loading chamber, and a film cartridge removing device for the camera.

[Brief description of the drawings]

FIG. 1 is a sectional view of a film cartridge loading chamber according to a first embodiment of the present invention.

FIG. 2 is a sectional view of a film cartridge loading chamber according to the first embodiment of the present invention.

FIG. 3 is a sectional view of a film cartridge loading chamber according to the first embodiment of the present invention.

FIG. 4 is a sectional view of a film cartridge loading chamber according to a second embodiment of the present invention.

FIG. 5 is a sectional view of a film cartridge loading chamber according to a second embodiment of the present invention.

FIG. 6 is a sectional view of a film cartridge loading chamber according to a second embodiment of the present invention.

FIG. 7 is a sectional view of a film cartridge loading chamber according to a second embodiment of the present invention.

FIG. 8 is a cross-sectional view of a film cartridge loading chamber of an embodiment of a camera as a reference example.

FIG. 9 is a sectional view of a film cartridge loading chamber of a camera as a reference example.

FIG. 10 is a cross-sectional view of a film cartridge loading chamber of a camera as a reference example.

FIG. 11 is a cross-sectional view of a film cartridge loading chamber of a camera as a reference example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Camera main body 2 Film cartridge 3 Lid 4 Locking member 5 Pressure spring 10 Lid 11 Leaf spring 20 Lid 21 Steel ball 22 Click spring

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Claims (6)

(57) [Claims] 1. A cartridge loading chamber in which a film cartridge is loaded, an opening / closing lid for opening and closing a loading port of the cartridge loading chamber, and a cover provided on the opening / closing lid, wherein the opening / closing lid is in a first open position. And stopping the film cartridge by abutting on the film cartridge discharged from the cartridge loading chamber.
A cartridge stopping means for releasing the stop in a state in which the stop is released in a second opening position which is moved in an opening direction from the opening position, and the opening / closing lid is held in the first opening position; And holding means for holding the opening and closing lid so as to allow the opening and closing lid to move to the second opening position when a force in the opening direction is applied to the opening and closing lid held at the open position. A camera characterized by having. 2. The camera according to claim 1, further comprising moving means for moving the film cartridge discharged from the cartridge loading chamber in a direction in which the film cartridge is discharged from the cartridge loading chamber. 3. The cartridge stopping device according to claim 1, wherein said cartridge stopping means stops after a film cartridge loaded in said cartridge loading chamber is moved by a predetermined amount in a direction in which said film cartridge is ejected from said cartridge loading chamber. The described camera. 4. A cartridge loading chamber in which a film cartridge is loaded, an opening / closing lid for opening and closing a loading port of the cartridge loading chamber, and a cover provided on the opening / closing lid, wherein the opening / closing lid is at a first open position. And stopping the film cartridge by abutting on the film cartridge discharged from the cartridge loading chamber.
A cartridge stopping means for releasing the stop in a state in which the stop is released in a second opening position which is moved in an opening direction from the opening position, and the opening / closing lid is held in the first opening position; And holding means for holding the opening and closing lid so as to allow the opening and closing lid to move to the second opening position when a force in the opening direction is applied to the opening and closing lid held at the open position. A film cartridge take-out device for a camera, comprising: 5. The apparatus according to claim 4, further comprising moving means for moving the film cartridge discharged from the cartridge loading chamber in a direction in which the film cartridge is discharged from the cartridge loading chamber. . 6. The cartridge stopping device according to claim 4, wherein said cartridge stopping means stops after a film cartridge loaded in said cartridge loading chamber is moved by a predetermined amount in a direction for discharging from said cartridge loading chamber. The film cartridge take-out device of the camera according to the above.