JP3420828B2 - 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, and more particularly to a camera provided with an accommodation chamber for accommodating a film cartridge which extends from a loading port formed on the surface of the camera body toward the inside of the camera body, and more specifically to the accommodation chamber. The present invention relates to a mechanism for taking out the film cartridge loaded in the.

[0002]

2. Description of the Related Art A camera of this type has a problem that it is difficult to take out a film cartridge loaded in a storage chamber from a loading port. Therefore, it is preferable to provide a taking-out mechanism for facilitating taking-out of the film cartridge.
Japanese Patent Laid-Open No. 4-1624 proposes a camera provided with such a take-out mechanism.

This take-out mechanism is constructed as follows. That is, the lift member is provided in the accommodation chamber so as to be reciprocally movable in the loading direction of the film cartridge, and lifts to a position where the film cartridge can be taken out when moving from the inside to the outside of the accommodation chamber, and the accommodation chamber is opened and closed. The user of the camera opens the light-shielding lid, which is provided with a lid (hereinafter referred to as “light-shielding lid”) and which has an engaging member that engages with the lift member and moves the lift member outward when the light-shielding lid is opened. At this time, the film cartridge is configured to be moved to a position where it can be taken out by the lift member in conjunction with the opening operation of the light shielding lid.

Further, in the above-mentioned take-out mechanism, when the opening amount of the light-shielding lid is increased, the lift member is flexibly deformed in the width direction of the camera, whereby the engagement member and the lift member are disengaged,
The lift member is configured to drop toward the accommodation chamber due to its own weight, and when the light blocking lid is closed, the lift member is pressed by the engagement member and flexibly deformed in the front-rear direction of the camera, whereby the engagement member and the lift member are separated from each other. It is also configured to be re-engageable.

[0005]

In this take-out mechanism, since the lift member is flexibly deformed to engage and disengage with the engaging member, there is a problem that the number of parts increases and the mechanism becomes complicated. is there. In addition, since the space for the lift member to bend and deform in the front-rear direction of the camera must be provided in the accommodation chamber, there is also a problem that the camera becomes large accordingly.

Further, in this take-out mechanism, when the lift member and the engaging member are disengaged and the lift member falls into the accommodation chamber, the film cartridge falls into the accommodation chamber again together with the lift member. Has been done.
Therefore, it is necessary to take out the film cartridge before the lift member and the engaging member are disengaged from each other while paying attention to the opening amount of the light shielding lid. There is also the problem of not having it.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a camera having a simple structure which does not require much installation space and which has a take-out mechanism capable of taking out a film cartridge very easily. To provide.

[0008]

A first camera of the present invention for achieving the above object extends along a loading direction of a film cartridge in a storage chamber and is provided so as to be reciprocally movable in the loading direction. A forward moving member that abuts against a film ridge in the storage chamber from the inside of the storage chamber when moving from the inside to the outside of the storage chamber to move the film cartridge to the outside of the storage chamber; Energizing means such as a spring for urging the member toward the outside of the accommodation chamber and the forward moving member moved from the outside to the inside of the accommodation chamber are engaged to move forward against the urging means. Locking means for preventing the members from moving to the outside of the accommodation chamber, and a forward member provided on the light shielding lid and moved inwardly of the accommodation chamber when the light shielding lid is closed, contacting from the outside of the accommodation chamber. , Pressing means for moving this forward member further inward The forward moving member is further inwardly moved by the pressing means. The film cartridge is provided with a contacting means for contacting the film cartridge from the inner side of the storage chamber to separate the film cartridge from the moving member. It is a thing.

The second camera of the present invention extends along the loading direction of the film cartridge in the accommodating chamber, is provided so as to be capable of reciprocating in the loading direction, and moves from the inside to the outside of the accommodating chamber. A forward moving member that comes into contact with a film cartridge in the storage chamber from the inner side of the storage chamber to move the film cartridge to the outside of the storage chamber, and urges the forward movement member toward the outside of the storage chamber. Locking means for engaging the biasing means such as a spring and the forward moving member moved from the outside to the inside of the storage chamber to prevent the forward moving member from moving outside the storage chamber against the biasing means. And a pressing member for moving the forward moving member further inwardly against the forward moving member provided on the light shielding cover and moved inwardly of the housing chamber when the light shielding cover is closed. Means, the locking means is provided by a pressing means. Is characterized in that the rotary members is further configured to release the engagement between the forward movement member when that is moved inwardly.

A third camera of the present invention has the structure of the above-mentioned first or second camera, and further, the forward moving member is provided at a position substantially corresponding to the curved surface portion of the film cartridge loaded in the accommodation chamber. It is characterized by being.

The fourth camera of the present invention is the above-mentioned first and second cameras.
Alternatively, the third camera structure is provided, and the forward moving member, the biasing means, and the locking means are also mounted on a single plate-shaped member.

[0012]

In the camera of the present invention, when the light-shielding lid is opened, the forward member contacts the film cartridge while moving to the outside of the storage chamber to move the film cartridge to the outside of the storage chamber. Since the forward moving member is configured to move to the outside of the storage chamber by the urging force of the urging means, it is not necessary to provide a mechanism for moving the forward moving member by engaging the light shielding lid and the forward moving member. In addition, it is not necessary to deform the forward moving member in a direction different from the loading direction of the film cartridge in order to realize such engagement. Therefore, the mechanism is simplified and the installation space is small.
Further, since the forward movement member does not fall down even when the light shielding lid is wide open, it is extremely easy to take out the film cartridge.

When the film cartridge is pushed into the accommodation chamber when the film cartridge is loaded, the forward moving member that has moved to the outside of the accommodation chamber moves to the accommodation chamber together with the film cartridge and is locked by the locking means at this time. . Therefore, even when the hand is released, the forward moving member does not move to the outside of the storage chamber, and the film cartridge can be easily loaded.

In the first camera of the present invention, when the light shielding lid is closed, the forward moving member is further moved inward by the pressing means, and at the time of this movement, the film cartridge abuts against the abutting means from the inside of the accommodating chamber. They are brought into contact with each other and separated from the forward moving member. The forward-moving member moved toward the storage chamber is locked by the locking means, but the locking means may cause some play due to the mechanism. If you have such play,
Since the forward moving member is urged toward the outside of the storage chamber by the urging means, the urging force may be transmitted to the film cartridge if the forward moving member and the film cartridge remain in contact with each other, and the film cartridge is There is no guarantee of stopping in place.

According to the first camera of the present invention, since the film cartridge and the forward moving member are separated by the pressing means and the abutting means, it is possible to correctly stop the film cartridge at a predetermined position. An example of a film cartridge that needs to be stopped at a predetermined position in the storage chamber is disclosed in
There is a film cartridge provided with a data disc as disclosed in Japanese Patent Laid-Open No. 5-313234. This data disc is configured so that when the film cartridge is loaded, the information recorded in advance is read by the reading device provided in the camera, and the positional relationship between the data disc and the reading device is accurate. Since it is necessary to regulate the film cartridge, the stop position of the film cartridge in the accommodation chamber is important.

According to the second camera of the present invention, since the locking means is unlocked when the light shielding lid is closed, it is not necessary to perform a special operation for releasing the lock, and the opening / closing operation of the light shielding lid is performed. It is possible to repeatedly load and unload the film cartridge simply by performing

According to the third camera of the present invention, the size of the camera can be further reduced. This is because the portion substantially facing the curved surface portion of the film cartridge loaded in the storage chamber becomes a dead space, and if this dead space is effectively used, it is not necessary to secure a special installation space.

According to the fourth camera of the present invention, the forward moving member, the urging member and the lock member can be handled as one unit, so that the assembly is extremely easy.

[0019]

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

FIG. 1 is an external perspective view showing an example of a film cartridge used in a camera according to an embodiment of the present invention,
FIG. 2 is a horizontal cross-sectional view showing the internal structure of the film cartridge shown in FIG. 1. FIG. 2 (a) shows a state where the light shielding door is closed, and FIG. 2 (b) shows a state where the light shielding door is open. ing.

As shown in the drawing, the film cartridge 10 is
A cartridge main body 11 and a spool 12 extending in the main body 11 in the axial direction of the film cartridge 10 (vertical direction in FIG. 1) and rotatably supported by the main body 11 are provided.
It has a built-in film 13 wound around it. A slit-shaped film drawing opening 14 extending in the axial direction of the film cartridge 10 is formed on the side surface 11a of the cartridge main body 11, and the film drawing opening is provided inside the cartridge main body 11.
A light shielding door 15 that shields and opens 14 is rotatably supported. The film cartridge 10 is configured such that when the spool 12 is rotated when the light shielding door 15 is opened, the film 13 is taken in and out from the film drawing opening 14.

The film cartridge 10 also includes a disk-shaped data disk 16 in which information such as whether the built-in film is in an unused state or in a used state is recorded. The data disk 16 is configured such that when the film cartridge 10 is loaded in the camera and the spool 12 is rotated, the data disk 16 rotates together with the spool 12, and at this time, the reading device on the camera side reads information. ing.

FIG. 3 is a perspective view of a camera according to an embodiment of the present invention as seen from the front side and the bottom side, and FIG. 4 is a perspective view showing the configuration of the accommodation chamber of the camera shown in FIG. As shown in FIG. 3, the camera 20 of the present embodiment has a bottom surface portion 21a of the camera body 21.
From the loading port 22 formed on the camera body to the loading port 22
And a housing chamber 23 extending toward the inside of the camera body 21.
21 has a bottom lid 24 as a light-shielding lid for opening and closing the loading port 23
Is supported so that it can be opened and closed. The film cartridge 10 is used by being loaded into the accommodation chamber 23 from the loading port 22 with the side on which the data disk 16 is disposed facing inwardly of the accommodation chamber 23.

As shown in FIG. 4, a film cartridge take-out mechanism 30 is installed in the accommodating chamber 23. The take-out mechanism 30 includes a single plate-shaped member 31 fixed to the inner wall of the accommodation chamber 23 by a screw, an adhesive, press-fitting, or the like, and reciprocates in the plate-shaped member 31 in the loading direction of the film cartridge 10. Lifting member 32 as a forward moving member provided movably
It has and.

The lift member 32 is formed in a plate shape extending in the loading direction of the film cartridge 10, and has a lower end provided with a claw portion 32a bent in an L shape. A bent portion 31a formed at the upper end of the plate member 31 and a lift member 32
The tension spring 33 is located between the bent portion 32b formed on the right side of the
The lift member 32 is constantly urged toward the outside of the accommodation chamber 23 by the urging force of the tension spring 33.

Further, at the lower end of the plate member 31, there is provided a lock member 34 as a locking means having a claw 34a which engages with a rack 32c formed on the right side near the lower end of the lift member 32 as a rotating shaft 34b. It is rotatably supported about. A tension spring 35 is mounted between the lock member 34 and a claw portion 31b formed at the lower end of the plate-shaped member 31, and the lock member 34
As will be described later, when the lift member 32 moves from the outside to the inside of the accommodation chamber 23, the lift member 32 engages with the rack 32c and the lift member 32
Is configured to be locked, and the lock is released when the lift member 32 moves further inward. Further, the lock member 34 is unlocked and the lift member 32 is stored in the storage chamber 23.
It is also configured to allow the movement when moving outwards.

The film cartridge take-out mechanism 30 includes a plate member 31, a lift member 32, a tension spring 33, and a lock member.
34 and the like are mounted and handled as one unit, and the lift member 32 is mounted in the accommodation chamber 23 such that the lift member 32 is arranged at a position substantially facing the curved surface portion of the film cartridge 10 loaded in the accommodation chamber 23.

On the back surface of the back cover 24, as a pressing means for contacting the top 32d of the lift member 32 that has moved inward of the storage chamber 23 when closing the back cover 24, the lift member 32 is moved further inward. The protrusion 25 is formed. Further, on the back surface of the back cover 24, a spool pressing member having a spring property for pressing the end portion of the spool 12 of the film cartridge 10 when the back cover 24 is closed.
26 are provided. Further, a photo sensor 27 that constitutes the above-mentioned reading device is installed on the inner bottom surface of the accommodation chamber 23.

Next, the operation of the take-out mechanism having the above construction will be described. First, a case where the film cartridge 10 is loaded into the accommodation chamber 23 will be described with reference to FIGS. 5 to 9.

FIG. 5 shows a state in which the bottom lid 24 is opened. At this time, the lift member 32 is lifted from the inside of the storage chamber 23 to the position shown by the biasing force of the tension spring 33. When the film cartridge 10 is loaded into the accommodation chamber 23 through the loading port 22, the film cartridge 10 abuts on the claw portion 32a of the lift member 32, and the film cartridge 10 is held at the position shown in the figure.

FIG. 6 shows an operation in which the camera user pushes the film cartridge 10 toward the accommodation chamber.
When the film cartridge 10 is pushed downward, the lift member 32, which is in contact with the film cartridge 10 from the lower side by the claw portion 32a, moves downward together with the film cartridge 10. During this movement, the rack 32c of the lift member 32 comes into contact with the lock member 34, but the lock member 34 rotates counterclockwise as shown in the drawing and then feeds the teeth of the rack 32c one by one, and then the rack member 32c moves. Allows downward movement.

FIG. 7 shows the state in which the film cartridge 10 is pushed in until it abuts against the reference surface 23a of the accommodation chamber 23 as the abutting means, and FIG. 8 shows the state in which the hand is released after the pushing. As shown in FIG. 7, the film cartridge 10 is pushed in until it comes into contact with the reference surface 23a, and when the hand is released, the lift member 32 moves a little upward due to the urging force of the tension spring 33, but the lock member 34 moves to the rack 32c. Because of the engagement, further rise is prevented. Therefore, the film cartridge 10 does not come out of the accommodation chamber 23, but is separated from the reference surface 23a by the amount that the lift member 32 is slightly raised.

FIG. 9 shows a state in which the bottom lid 24 is closed.
When the bottom lid 24 is closed, the protrusion 25 formed on the back surface of the bottom lid 24 contacts the top of the lift member 32 from above and pushes the lift member 32 further downward. When the lift member 32 moves downward, the film cartridge 10 contacts the reference surface 23a and the lift member 32
Pulled away from 32. The film cartridge 10 is pressed by a spool pressing member 26 (see FIG. 4) formed on the back surface of the bottom lid 24 and comes into close contact with the reference surface 23a. Reference plane 23
The photo sensor 27 described above is installed in a, and the film cartridge 10 is brought into close contact with the reference surface 23a, so that an appropriate distance between the data disk 16 in the film cartridge 10 and the photo sensor 27 is ensured. Reading of the information recorded on the disk is performed.

When the lift member 32 is pushed in, the lock member 34 disengages from the rack 32c, and the lock member 34
Is rotated clockwise by the urging force of the tension spring 35 and returns to the position shown.

FIG. 10 shows an operation in which the bottom lid 24 opens. When the loaded film cartridge 10 is to be taken out, the bottom lid lock (not shown) for holding the bottom lid 24 in the closed position may be released. When the bottom lid lock is released, the lift member 32 rises due to the urging force of the tension spring 33, and during this ascending process, the claw portion 32a comes into contact with the film cartridge 10 from below and the film cartridge 10 can be taken out (see FIG. 5). Position) and hold at that position. When the lift member 32 rises, the rack 32c comes into contact with the lock member 34, but the lock member 34 does not engage with the rising rack 32c in the state shown in FIG. 32 can rise without hindrance.

Although the embodiments of the present invention have been described above, the present invention is not limited to the specific modes of the embodiments, and various modifications can be made.

For example, in the above-mentioned embodiment, the bottom lid is of a rotating type, but it is also possible to make the bottom lid of a sliding type by changing the shape of the projection formed on the bottom lid.

Further, the camera of the above embodiment is constructed such that the film cartridge is axially loaded and used. However, in the present invention, the loading port is formed on the front surface, the back surface or the side surface of the camera body, and the film cartridge is used. It can also be applied to a camera configured to be loaded and used in a direction orthogonal to the axial direction.

Furthermore, the above-mentioned film cartridge is
This is a new type of film cartridge that has a light-shielding door and is configured so that the film can be taken in and out by rotating the spool.However, the present invention has a conventional general film leader part. It can also be applied to a camera that uses a cartridge with a 35mm film protruding to the inside.

[Brief description of drawings]

FIG. 1 is a perspective view of a film cartridge.

FIG. 2 is a horizontal sectional view of a film cartridge.

FIG. 3 is an external perspective view of a camera according to an embodiment of the present invention.

FIG. 4 is a perspective view showing an internal configuration of a storage chamber.

FIG. 5 is a view showing an operation of loading a film cartridge.

FIG. 6 is a view showing an operation of loading a film cartridge.

FIG. 7 is a diagram showing an operation of loading a film cartridge.

FIG. 8 is a view showing an operation of loading a film cartridge.

FIG. 9 is a view showing a state in which a film cartridge is loaded.

FIG. 10 is a view showing an operation of taking out a film cartridge.

[Explanation of symbols]

10 film cartridge 12 spools 16 data discs 20 camera 21 Camera body 22 Loading port 23 chamber 23a Reference surface (contact means) 24 Bottom lid (light shield lid) 25 Projection (pressing means) 27 Photo sensor 31 Plate-shaped member 32 Lift member (forward member) 33 Tension spring (biasing means) 34 Locking member (locking means)

Claims (4)

(57) [Claims] 1. A film cartridge, comprising: a loading port formed on a surface of a camera body; a storage chamber extending from the loading port toward the inside of the camera body; and a light-shielding lid for opening and closing the loading port. A camera to be used by loading from the loading port into the accommodation chamber, wherein the camera extends in the accommodation chamber along the loading direction of the film cartridge and is reciprocally movable in the loading direction. And a forward moving member for contacting the film cartridge in the storage chamber from the inside of the storage chamber to move the film cartridge to the outside of the storage chamber when moving to the storage chamber. Of the forward moving member that is biased toward the outside of the receiving chamber and the forward moving member that has been moved from the outside to the inside of the storage chamber, and stores the forward moving member against the forward moving means. Prevent movement to the outside Locking means provided to the light-shielding lid, and the forward-moving member, which is moved inwardly of the storage chamber when the light-shielding lid is closed, contacts the forward-moving member from the outside of the storage chamber, Pressing means for moving inward, and when the moving member is moved further inward by the pressing means, the film cartridge comes into contact with the film cartridge from the inner side of the storage chamber and the forward movement of the film cartridge. A camera comprising: an abutting unit for separating a member from each other. 2. A film cartridge, comprising: a loading port formed on the front surface of the camera body; a storage chamber extending from the loading port toward the inside of the camera body; and a light-shielding lid for opening and closing the loading port. in camera used was loaded into the storage chamber from the loading port, extend along the loading direction of the film cartridge into said receiving chamber, round-trip movably provided in the loading direction, out of the inside of the storage chamber A forward moving member that abuts against the film cartridge in the storage chamber from the inner side of the storage chamber to move the film cartridge outward of the storage chamber when moving toward the forward direction; A biasing means for biasing the chamber toward the outside, and a forward moving member moved from the outside to the inside of the storage chamber to engage with the forward moving member against the biasing means. Prevent movement outside the containment room Locking means provided to the light-shielding lid, and the forward-moving member, which is moved inwardly of the storage chamber when the light-shielding lid is closed, is brought into contact with the forward-moving member from the outside of the storage chamber, and the forward-moving member is further attached. A pressing means for moving inward, wherein the locking means is configured to release the engagement with the forward moving member when the forward moving member is further moved inward by the pressing means. A camera characterized by being. 3. The forward moving member is provided at a position that substantially opposes a curved surface portion of the film cartridge loaded in the storage chamber.
The listed camera. 4. The camera according to claim 1, wherein the forward moving member, the urging means and the locking means are mounted on a single plate-shaped member.