KR20000009825U - Camera using multiple film barrels - Google Patents

Abstract

A camera using a multi-film barrel has a support plate installed to extend one end of the camera body, and a rotation guide rod fixed vertically is fixed to the center of the support plate, and a fixed plate is disposed to fit the rotation guide rod. The upper end of the fixed plate is fitted with a rotating guide rod is composed of a film barrel position variable member to rotate. The film cylinder position variable member is formed with a film cylinder chamber so that a large number of film cylinders can enter inside, and this film cylinder chamber is covered by the cover. And the knob for rotating this film cylinder position variable member is provided in the upper end of a film cylinder position variable member.

Cameras using these multiple film barrels reduce the inconvenience of always repositioning film barrels and can store multiple film barrels in the camera. Each film can be used and is convenient.

Description

Camera using multiple film barrels

The present invention relates to a camera, and more particularly, to a camera using a multi-film barrel that can accommodate a plurality of film barrels in the camera to sequentially change the position to facilitate the replacement of the film barrel.

In general, a camera is an apparatus that receives light to form an image on a film surface, and includes a lens group that receives light reflected from a subject and focuses on the film surface, and an aperture that controls the amount of light that enters through the lens group. , A focusing device that adjusts the distance between the lens and the film surface so that the image of the subject is clearly formed on the film, a film conveying device that transports the film at regular intervals, and a shutter that controls the time the film is exposed to light. It is composed.

In particular, the camera body has a structure in which a film barrel storage chamber for accommodating a film barrel is provided to accommodate the film barrel, and a film conveying means is provided for winding or rewinding the film of the film barrel onto the spool.

The film storage of such a camera is performed by opening the back cover of the camera body, placing the film barrel in the film barrel storage chamber, and then hanging the film on the film sprocket and closing the back cover before shooting. At this time, the shooting is performed by closing the back cover or pressing the shutter switch so that the proper length of the film is wound on the spool by the film transfer means, and adjusting the time the film is exposed to light through the shutter or the like.

Such a conventional camera is to replace the film when the shooting is finished, there is a hassle to open the back cover to remove the film taken and put a new film barrel in the film barrel storage room. In particular, the exchange of such film is an inconvenience when the amount of shooting in the outdoor is a lot of increase further, there is an inconvenience that must carry a new film barrel and a film barrel after shooting separately.

The present invention is to solve the problems of the prior art as described above, the technical problem to be achieved by the present invention is to reduce the hassle of frequently replacing the film canister when taking a large amount in the outdoors to make it easier to use a number of Reduces the inconvenience of having to carry or store new film and finished film separately, and puts them in the film chamber at one time according to the kind of film according to the type of film, for example, film sensitivity. To provide a camera using a barrel.

1 is a perspective view showing the appearance of a camera according to an embodiment of the present invention,

2 is an exploded perspective view showing in detail the film barrel positioning member and the film barrel positioning means by disassembling FIG. 1;

3 is an enlarged view illustrating an enlarged rotating guide rod of FIG. 2;

4 is a side view showing a knob for the film canister position change operation of FIG.

5 is a view showing the bottom of the knob of FIG.

6 is a cross-sectional view of the cut portion A-A of FIG.

7 is a view for explaining the operation of the film transport means applied to the present invention,

FIG. 8 is a partial cross-sectional view taken along the line B-B of FIG. 1 to explain an operating state of the film barrel positioning member.

The camera using the multiple film canister according to the present invention has a film canister position variable member which forms a plurality of film canister compartments in the camera body and selectively changes the position of this film canister compartment. It has a film cylinder position varying means which changes the position of the film barrel storage chamber formed in the member, and is connected with this film cylinder position varying means, and includes film conveying means which conveys a film.

Therefore, the number of film canisters placed in the camera body is inserted and the number of film canisters is selected and one film can be taken. After using all the films of the selected film canisters, the film is rewound using film transfer means. Film-finished film canisters are moved by the canister position variable means and replaced with new film canisters.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

1 is a perspective view showing the appearance of a camera body according to an embodiment of the present invention, a film barrel position variable member (3) for storing a plurality of film barrels on one side of the camera body 1 to change the position of the film barrels (3). ) Is prepared. The film barrel positioning member 3 is connected to the film conveying means 5 disposed on the bottom surface of the camera body 1 and has a structure capable of winding and rewinding the film.

The spool seal 7 for winding a film at the time of imaging is provided in the opposite side to the camera body 1 in which the film cylinder position variable member 3 is provided. In this spool seal 7, a spool 9 which can rotate by a motor (not shown) is disposed.

Figure 2 is an exploded perspective view showing the camera body in an exploded view to explain in detail the film barrel positioning member and the film barrel positioning means according to an embodiment of the present invention. The film barrel position varying means has a supporting plate 31 which extends from one side of the bottom surface of the camera body 1. The rotation guide rod 33 is fixed to the center part of this support plate 31 in the longitudinal direction, and the fixed plate 35 is arrange | positioned so that it may be rotated by being fitted to the rotation guide rod 33. As shown in FIG. And the upper end of the fixing plate 35, the film barrel position variable member 3 is also arranged to be rotated by fitting to the rotation guide rod 33. In particular, in this film cylinder position variable member 3, film cylinder storage chambers 3a, 3b, 3c are formed so that three film cylinders may enter. However, in the embodiment of the present invention has been described an example consisting of three film barrel storage chamber (3a, 3b, 3c), but is not limited to this, two or more can be installed. The film barrel position variable member 3 is provided with a knob 39 for changing the film barrel position.

As shown in FIG. 3, in the rotation guide rod 33 described above, a plurality of holes 33a, 33b, 33c are formed at equal intervals from the center to the circumferential direction, and the holes 33a, 33b, 33c The elastic member which consists of compression springs 41a, 41b, 41c is fitted in (), and it arrange | positions so that an elastic force may act in the circumferential direction. The pins 43a, 43b, 43c are supported by the compression springs 41a, 41b, 41c. The pins 43a, 43b, 43c protrude so as to fit into the guide grooves 3e, 3f, 3g formed on one side of the hole 3d disposed in the longitudinal direction at the center of the film barrel position variable member 3. . In addition, the rotation guide rod 33 has a groove 33d formed in the center of the upper portion so that the knob 39 for fitting the above-described film can be positioned.

The fixing plate 35 for fixing the film barrel position variable member 3 is provided with a hole 35a for fitting into the rotation guide rod 33 in the center portion. Therefore, the fixing plate 35 is fitted to the rotation guide rod 33 through the hole 35a.

Moreover, the film rewinding means for rewinding a film to a film container is provided in the upper end of the fixing plate 35. As shown in FIG. The film rewinding means is provided with a gear portion 45 engaged with the rewinding gear 44 of the film conveying means and a fork portion 47 for rotating the spool formed in the film barrel on the top of the gear portion 45. Doing. It is preferable that the gear part 45 and the fork part 47 have a structure which can rotate about an axis. Although the film conveying means is shown and described as consisting of three in the figure, it is not limited to this, but consists of the number corresponding to the film barrel accommodating chambers 3a, 3b, 3c formed in the film barrel position variable member 3, It is preferable.

As described above, the film barrel positioning member 3 is formed with three film barrel storage chambers 3a, 3b, and 3c, and a film is formed on the outside of the film barrel storage chambers 3a, 3b, and 3c. The openings 3h, 3i, and 3j are formed to move to the spool chamber 7. And in the center part of the film barrel variable-position member 3, the hole 3d is formed in the longitudinal direction, Comprising: It is made to be inserted in the rotation guide rod 33, and can rotate.

In addition, the upper end of the film barrel storage chamber (3a, 3b, 3c) is hinged to the structure that can open and close the film barrel cover (49a, 49b, 49c) selectively.

Figure 4 is a side view showing a knob for changing the film barrel position, Figure 5 is a bottom view of Figure 4, Figure 6 is a cross-sectional view showing a state in which the knob is coupled to the film barrel position variable member. The knob 39 for rotating the film barrel position variable member 3 is formed in a circular shape, and the outer periphery forms a ROULETTING by KNURLING to prevent slipping. The lower end of the knob 39 has a structure in which the first guide rod 39a and the second guide rod 39b protrude, and a gap is formed between the first guide rod 39a and the second guide rod 39b. 39c is formed, and the elastic member which consists of the leaf | plate spring 51 which can change a film cylinder position is inserted in this space | interval 39c. This leaf spring 51 is arrange | positioned in the state which one side protrudes and is inserted in any one of the guide groove | channel 3e, 3f, 3g of the film cylinder position variable member 3. As shown in FIG. And this spring is made of a structure in which the knob 39 is idling by pushing in one direction when the projecting portion receives a predetermined or more elastic force. Such leaf spring 51 is preferably produced by bending a plate-shaped elastic member. And the protrusion 39d is formed in the outer periphery of the 2nd guide rod 39b, it is inserted in the groove 33b of the rotation guide rod 33, and is fitted.

FIG. 7 is a view schematically showing a film conveying means, wherein the spool 9 is rotated by receiving the power of a motor shaft gear 55 connected to a motor (not shown). 3 shows a state in which the power transmission gears are engaged and the fourth, 5, 6, 7, 8 power transmission gears 63, 65, 67, 69, 44 for rewinding the film are engaged. And the direction change gear 71 is arrange | positioned between the 3rd power transmission gear 61 and the 4th power transmission gear 63 so that film winding and rewinding can be selectively performed. The direction shift gear 71 is configured to selectively engage with the spool gear 73 formed on the outer circumference of the fourth power transmission gear 63 and the spool 9 to transmit the driving force of the motor. The switching means may typically be of the same structure as applied to the camera. The number of gears, the arrangement position, and the like described in the present embodiment are not limited to those described above, and any structure may be used as long as the structure can selectively perform winding and rewinding of the film.

Referring to the operation of the camera using a multi-film barrel configured as described above are as follows.

First, several types or many films are put in as many as the number of film barrel storage chambers 3a, 3b, and 3c of the film barrel position variable member 3. In this state, the back cover 10 of the camera is opened to adjust the ends so that the film is properly wound on the spool 9. When the back cover 10 is closed, the film is in a state in which the film can be taken while being wound on the spool 9 by a motor. If you take a single film, you can rewind the film using a rewind switch (not shown). At this time, the rewinding process is transmitted to the direction change gear 71 through the first, second, third power transmission gears 57, 59, 61 when the motor shaft gear 55 is rotated by the motor, and then continues with the fourth, The rotation of the gear part 45 arranged on the upper end of the fixed plate 35 is made through the 5, 6, 7, 8 power transmission gears 63, 65, 67, 69, 44. Then, the fork portion 47 rotates, and the fork portion 47 rewinds the film by rotating the spool S (shown in FIG. 8) of the film barrel. After the rewinding of the film, the knob 39 is rotated to select another film. Then, the spring 51 rotates with the rotation of the knob 39, and the film barrel position variable member 3 is rotated in the dashed-dotted arrow direction as shown in FIG. At this time, the pin 43 disposed on the rotary guide rod 33 leaves the guide groove 3e of the film barrel positioning member 3 and is fitted into another guide groove 3f, while being fitted into the other guide groove 3f. The first film barrel storage chamber 3a is rotated and the second film barrel storage chamber 3b is moved to the position where the first film barrel storage chamber 3a was. Then, the operator opens the back cover 10 of the camera and places the end in a proper position so that the film is wound on the spool of the spool chamber 7 and closes the back cover 10. The film will then be replaced with a new film canister. In this way, each time the film is used, it is possible to use the film of the new film canister without replacing the film canister.

The camera using the multi-film canister according to the present invention reduces the inconvenience of always repositioning the film canister, and can store a large number of film canisters in the camera. It is convenient to use each film by a simple choice.

Claims (7)

Camera Body, A film barrel positioning member installed in the camera body and having a film barrel storage chamber into which a plurality of film barrels can be inserted; A film barrel position varying means which is provided on one side of the film barrel position variable member and changes its position so that the film barrel storage chamber can move to an adjacent film barrel storage chamber, A film conveying means installed in the camera body and conveying the film to rewind or rewind the film of the film barrel; Camera using a multi-film barrel containing a. The method of claim 1, wherein the film barrel position varying means A support plate extending from one side of the camera body to form a bottom surface and supporting the film barrel positioning member; A rotation guide rod fixed vertically to a central portion of the support plate and constituting a rotation axis of the film barrel variable-position member, A knob coupled to the rotating guide rod so as to be rotated, An elastic member disposed in the knob described above and adapted to change the position of the film barrel by rotating the film barrel position variable member by the rotation of the knob. Camera using a multi-film barrel containing a. The method of claim 1, And a film barrel cover coupled to an upper portion of the film barrel positioning member to open and close the film barrel storage chamber of the film barrel positioning member. The method of claim 2, A camera using multiple film barrels provided with positioning means for stopping the film barrel positioning member at a constant position between the film barrel positioning member and the rotation guide rod. The method of claim 4, wherein the positioning means Film barrel position variable member having a plurality of guide grooves are formed at equal intervals in the longitudinal direction along the hole formed in the center, Compression elastic member which is inserted into the hole by forming a hole in the circumferential direction at the center of the rotating guide rod, The pin interposed in the said hole formed by the said compression elastic member and formed in the said film cylinder position variable member. Camera using a multi-film barrel containing a. The method of claim 1, And a fixing plate is provided below the film barrel positioning member to support the film barrel positioning member, and the fixing plate is provided with means for rewinding a plurality of films. The method of claim 6 wherein the film rewinding means A gear part engaged with the gear of the film transfer means, It is installed on the top of the gear portion and the fork portion to wind the film in the film barrel Camera using multiple film canisters.