JPH08240883A - Stamp unit and its using method - Google Patents

Abstract

PURPOSE: To provide a stamp unit capable of preventing advertent stamping. CONSTITUTION: When a push bottom 44 is rotated against the energizing force of a twist spring 68 and pressing the push bottom on the position corresponding to a guide piece 62 and a guide groove 66, the pushing operation of the push bottom 44 is enabled on the position corresponding to a guide piece 62 and a guide groove 66, thus, a porous material 42 is moved to the inserting path 48 of a photographic film package 1 and the 'finished' mark is pressed. When the push bottom 44 is separated from the hand, the push button is pressed downward by means of the energizing force of the spring 60, when the guide piece 62 is separated from the guide piece 62, it is rotated by the energizing force of the twist spring 68 and automatically returned to the original position before the stamping operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stamp unit, and more particularly to a stamp unit for imprinting a mark indicating that a photo has been taken on a photographic film package housed in a film holder.

[0002]

2. Description of the Related Art As a professional photographic film, a photographic film package in which a sheet-shaped photographic film is housed in a light-shielding envelope is known. This photo film package is
Inserted in the film holder attached to the back of the camera,
At the time of shooting, only the light-shielding envelope is pulled out to expose the photographic film from the exposure opening of the film holder, and when the shooting is completed, the light-shielding envelope is pushed in to store the film unit in a light-tight manner and then pulled out from the film holder.

Some film holders have a stamp unit attached. In this stamp unit, when the push button is pressed along the push button guide member, the stamp material connected to the push button moves projecting into the insertion path of the photo film package, indicating that the light-shielding envelope of the photo film package has been photographed. Imprint the mark. The push button is biased by the biasing member in a direction opposite to the pressing operation direction, and after imprinting, if the hand is released from the push button, the push button returns to its original position by the biasing force of the biasing member.

[0004]

However, since the conventional stamp unit is structured to be imprinted only by the pressing operation of the push button, there is a drawback that the mark is carelessly imprinted on the unphotographed photographic film package. . Further, in the conventional stamp unit, for example, when the film holder is stored in the case with the photo film package accommodated therein, the push button is pushed by the inner wall surface of the case, and the stamp material is stored while being pushed by the light-shielding envelope. In some cases, there is a drawback that the stamp ink is consumed quickly.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a stamp unit capable of preventing careless imprinting.

[0006]

In order to achieve the above object, the present invention provides a stamp unit for impressing an object to be impressed by pressing a push button, wherein the push button has a peripheral surface of a push button guide member. It is rotatably supported on the
A restricting portion that restricts the push button so that the push button can be pressed at a predetermined rotation position, and a biasing member that biases the push button in a direction of retracting from the predetermined rotation position are provided. And

In order to achieve the above-mentioned object, the present invention is a stamp unit attached to a film holder for accommodating a photographic film package and for impressing a mark indicating that a photo has been taken on the photographic film package by pressing a push button. And a restriction portion that rotatably supports the push button on the peripheral surface of the push button guide member and restricts the push button so that the push button can be pressed at a predetermined rotation position.
An urging member that urges the push button to rotate in a direction of retracting from the predetermined rotation position is provided.

To achieve the above object, the present invention provides a method of using a stamp unit attached to a film holder for accommodating a photographic film package, wherein a push button of the stamp unit is provided after the exposure of the photographic film package. Is rotated along the peripheral surface of the push button guide member against the urging force of the urging member and along the regulating portion, and the push button is retracted from the regulating portion at a predetermined rotational position. It is characterized in that a push button is pressed to imprint a mark indicating that the photograph has been taken on the photographic film package.

[0009]

According to the first aspect of the invention, the push button is rotated with respect to the push button guide member against the urging force of the urging member, and the predetermined rotation is restricted by the restricting portion. Position it and push it. Therefore, in the stamp unit of the present invention, the pressing operation cannot be performed unless the push button is rotated to the predetermined rotation position, so that careless stamping can be prevented.

According to the second aspect of the invention, the push button is rotated with respect to the push button guide member against the urging force of the urging member, and the predetermined rotation is regulated by the regulating portion. The photograph film package housed in the film holder is imprinted with a mark indicating that the photograph has been taken. Therefore, in the stamp unit of the present invention,
Since the pressing operation cannot be performed unless the push button is rotated to the predetermined rotation position, it is possible to prevent accidental imprinting.

According to the invention of claim 3, after the exposure of the photographic film package, the push button of the stamp unit is rotated along the peripheral surface of the push button guide member against the urging force of the urging member. Rotate along the regulation part.
Then, the push button is pressed at a predetermined rotational position where the push button is retracted from the restriction portion. As a result, a mark indicating that the image has been taken is imprinted on the photographic film package.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of a stamp unit according to the present invention will be described in detail below with reference to the accompanying drawings. First, a photographic film package used in a film holder and stamped with a stamp unit according to the present invention will be described. As shown in FIG. 6, the photographic film package 1 comprises a film unit 2 shown by a dotted line in the drawing and a light-shielding envelope 3. The film unit 2 has a photographic film F, and a clip 5 is fixed to a leading edge portion (left side in the drawing) of the photographic film F via a first carrier sheet 4.
As shown in FIG. 7, the clip 5 has a substantially V-shaped cross section. Further, as shown in FIG. 6, a trapezoidal second carrier sheet 6 is detachably joined to the rear edge portion (right side in the drawing) of the photographic film F. Second carrier sheet 6
Is located in the vicinity of the rear end of the light-shielding envelope 3 when the film unit 2 is housed in the light-shielding envelope 3.

The light-shielding envelope 3 is made of a light-shielding member such as cardboard, and the film unit 2 is inserted and removed in the direction of the arrow in the drawing from an insertion opening (not shown) on the left side. When the film unit 2 is housed in the light-shielding envelope 3, the insertion opening is
The clip 5 is fitted and closed. As a result, exposure of the photographic film F is prevented. Further, a band-shaped stopper tape 7 is adhered in the transverse direction of the light-shielding envelope 3 near the tip of the light-shielding envelope 3.

FIG. 1 is a plan view showing an embodiment of a film holder 10 to which a stamp unit 40 of the present invention is attached, and FIGS. 2 and 3 are sectional views of the film holder. The film holder 10 has a film holder body 12, an engaging plate 14, a pressing plate 16 and the like. The film holder body 12 is composed of a top lid 18 and a bottom lid 20 into a box. A rectangular exposed opening 22 is formed on the surface of the upper lid 18 of the film holder body 12. An entrance / exit 24 is formed at the right edge of the film holder main body 12, and the photographic film package 1 is put in / out from the entrance / exit 24 with the clip 5 at the tip.

The engagement plate 14 is screwed to the bottom cover 20.
Further, a pair of leaf springs 26 are integrally extended to both side edges of the engaging plate 14. The leaf springs 26 urge the pressing plate 16 toward the exposed opening 22 of the film holder body 12. The engagement plate 14 has three engagement claws 28.
Are extended at predetermined intervals. These engaging claws 28 are shown in FIG.
As shown in FIG. 5, the clip 5 of the photographic film package 1 inserted in the final position in the film holder body 12 is engaged.

As shown in FIGS. 2 and 3, the release lever 30 is composed of a body portion 32 and a hand pushing lever 34. The main body 32 is urged in the pull-out direction of the photographic film package 1 by the urging force of a spring (not shown), and the operation of the hand push lever 34 urges the main body 32 against the urging force of the spring to insert the photographic film package 1 in the inserting direction. Can be moved to.

Three engagement release claws 36 are bent and formed on the left end edge of the main body 32 in the drawing. The engagement release claw 36 is
When the body portion 32 is pushed by the hand push lever 34 and slides leftward in FIG.
8 is retracted from the engagement position with the clip 5 of the photographic film package 1. Next, the configuration of the stamp unit 40 of this embodiment will be described.

As shown in FIG. 2, the stamp unit 4
0 is arranged in the vicinity of the entrance / exit 24 of the bottom lid 20 and is pressed to imprint the "done" mark 41 on the rear end corner of the back side of the light-shielding envelope 3 shown in FIG. As shown in FIG. 4, the stamp unit 40 has a porous stamp material 42 such as a sponge, a push button 44, a push button guide member 46, etc., and directs the porous stamp material 42 toward the insertion path 48 of the photographic film package 1. Then, the push button guide member 46 is fitted into the hole 50 of the bottom lid 20 to be fixed to the bottom lid 20.

A mark of "done" is formed on the surface of the porous stamp material 42, and the porous stamp material 42 has a cylindrical holder together with a sponge 52 in which the stamp ink is occluded and a fixing member 54 of the sponge 52. It is held at 56.
The fixing member 54 is fixed to the push button 44 with a screw 58. The push button 44 is formed in a cup shape, and the inner peripheral surface thereof is in sliding contact with the outer peripheral surface of the push button guide member 46. In addition, the spring 60 pushes the push button 4
4 and the push button guide member 46. The push button 44 is pushed by the biasing force of the spring 60 as shown in FIG.
When the step portion 54A formed on the outer peripheral portion of the fixing member 54 abuts against the step portion 46A formed on the inner peripheral surface of the push button guide member 46, the step portion 54A is urged in the downward and middle directions, so that the step portion 54A shown in FIG. It is positioned at the position indicated by the solid line. At this time, the porous stamp material 42 is the same as the photographic film package 1.
Is positioned at a position retracted from the insertion path 48.

As shown in FIG. 5, guide pieces (regulating portions) 62, 62 are formed on the inner peripheral surface of the push button 44 so as to project therefrom. The guide pieces 62 are formed at symmetrical positions, and
The push button 44 is extended along the pressing operation direction (vertical direction in FIG. 4). On the outer peripheral surface of the push button guide member 46, arcuate step portions (regulating portions) 64, 64 for guiding the guide piece 62 movably within a range of 90 ° are formed. As a result, the push button 44 is rotatable within a range of 90 ° with respect to the push button guide member 46. A guide groove (regulating portion) 66 into which the guide piece 62 is inserted is formed at one end of the step portion 64, and the guide groove 66 extends in the pressing operation direction of the push button 44 (vertical direction in FIG. 4). It has been extended along. Therefore, the push button 44 is rotated 90 degrees counterclockwise from the position shown in FIG.
The pressing operation can be performed only by rotating the guide piece 62 so as to correspond to the guide groove 66.

The push button 44 is urged clockwise in FIG. 5 by the urging force of the torsion spring 68 shown in FIG. 4, and the urging force causes the guide piece 62 to contact the one end wall 64A of the step portion 64. By contacting each other, the guide piece 62 is positioned at a position displaced by 90 ° with respect to the guide groove 66. The torsion spring 68 has an upper end fixed to the push button guide member 46 by a jig 70 and a lower end fixed to the push button 44 by a jig 72.

Next, a method of using the stamp unit configured as described above will be described. First, the photographic film package 1 is inserted into the film holder body 12 with the clip 5 at the tip, and the clip 5 is engaged with the engaging claw 28 of the engaging plate 14 as shown in FIG.
Is held in the film holder body 12. Then, only the light-shielding envelope 3 is pulled out from the film holder main body 12 to expose the photographic film F from the exposure opening 26. Next, when the photographing is completed, the light-shielding envelope 3 is stored in the film holder body 12, and the film unit 2 is stored in the light-shielding envelope 3.

Next, the stamp unit 40 is used to stamp the "finished" mark on the light-shielding envelope 3. First, the push button 44 is rotated counterclockwise in FIG. 5 against the biasing force of the torsion spring 68. The guide piece 62 of the push button 44 comes into contact with the other end wall 64B of the step portion 64 of the push button guide member 46 and the rotation is restricted, that is, the guide piece 62 and the guide groove 66 correspond to each other. At the position, the push button 44 is pressed upward in FIG. 4 against the biasing force of the spring 60. When the push button 44 is pressed at the above position, the guide piece 62 slides along the guide groove 66 to enable the push operation of the push button 44, whereby the porous stamp material 42 is inserted into the insertion path 4 of the photographic film package 1.
Move to 8 and move to the back of the shading envelope 3
Imprint.

After imprinting, when the user releases the push button 44,
The push button 44 is moved downward by the biasing force of the spring 60, and when the guide piece 62 is separated from the guide groove 66, the push button 44 is rotated clockwise by the biasing force of the torsion spring 68 in FIG. Is one end wall 64A of the stepped portion 64
Stop at the position where it abuts. This push button 44
Automatically returns to the original position before the stamping operation.

When the stamping operation is completed, the film holder 1
2 is operated to slide the body portion 32 of the release lever 30 to the left in FIG.
The engagement claw 28 and the clip 5 are disengaged by the second engagement disengagement claw 36, and the photographic film package 1 is pulled out from the film holder body 12. As described above, in the stamp unit 40 of this embodiment, even if the push button 44 is pressed at the position shown in FIG.
Since it cannot be pushed due to the locking action with 4, and the push button 44 must be rotated when performing a pushing operation, it is possible to prevent inadvertent stamping.

In the present embodiment, the stamp unit applied to the film holder has been described, but the present invention is not limited to this, and the stamp unit can be used as a stamp unit for a stamp that is used alone.

[0027]

As described above, according to the stamp unit of the present invention, the pressing operation cannot be performed unless the push button is rotated to the predetermined rotation position against the urging force of the urging member. Therefore, careless imprinting can be prevented.

[Brief description of drawings]

FIG. 1 is a plan view including a partially broken portion of a film holder to which a stamp unit according to the present invention is attached.

FIG. 2 is a sectional view of a film holder.

FIG. 3 is a sectional view of a film holder.

FIG. 4 is a vertical sectional view of a stamp unit according to the present invention.

5 is a full sectional view of the stamp unit taken along line 5-5 in FIG.

FIG. 6 is a plan view of a photographic film package.

FIG. 7 is a side view of FIG.

[Explanation of symbols]

 1 ... Photo film package 2 ... Film unit 3 ... Shading envelope 5 ... Clip 10 ... Film holder 12 ... Film holder body 40 ... Stamp unit 42 ... Porous stamp material 44 ... Push button 46 ... Push button guide member 60 ... Spring 62 ... Guide Piece 64 ... Step portion 66 ... Guide groove 68 ... Torsion spring

Claims (3)

[Claims] 1. A stamp unit for stamping an object to be stamped by pushing a push button, wherein the push button is rotatably supported on a peripheral surface of a push button guide member, and the push button is rotated a predetermined number of times. A stamp unit comprising: a restricting portion that restricts a push operation at a moving position, and a biasing member that biases the push button in a direction of retracting from the predetermined rotating position. 2. A stamp unit which is attached to a film holder for accommodating a photographic film package and which impresses a mark indicating that the photograph has been taken on the photographic film package by depressing the push button. And a restricting portion for restricting the push button so that the push button can be pressed at a predetermined rotation position, and a rotation part for retracting the push button from the predetermined rotation position. A stamp unit for a film holder, comprising a biasing member for biasing. 3. A method of using a stamp unit attached to a film holder for accommodating a photographic film package, wherein a push button of the stamp unit is resisted against an urging force of an urging member after the exposure of the photographic film package. The push button guide member is rotated along the peripheral surface of the push button guide member and is rotated along the regulating portion, and the push button is pushed at a predetermined rotation position where the push button is retracted from the regulating portion, and the photograph is taken. A method of using a stamp unit, which comprises imprinting a mark indicating that a photo has been taken on the film package.