JP3641847B2 - Stamp unit and how to use it - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a stamp unit, and more particularly to a stamp unit that stamps a mark indicating that a photograph has been taken on a photographic film package accommodated in a film holder.
[0002]
[Prior art]
As a professional photographic film, a photographic film package in which a sheet-like photographic film is stored in a light-shielding envelope is known. This photographic film package is inserted into a film holder attached to the back of the camera, and when taking a picture, only the light-shielding envelope is pulled out to expose the photographic film from the exposure opening of the film holder. The film unit is pushed in and stored in a light-tight manner, and then pulled out from the film holder.
[0003]
Some film holders have a stamp unit attached thereto. In this stamp unit, when the push button is pushed along the push button guide member, the stamp material connected to the push button projects and moves into the insertion path of the photographic film package, indicating that the photographic film package has been photographed. Imprint the mark. The push button is urged in the direction opposite to the pressing operation direction by the urging member, and after the stamping, when the hand is released from the push button, the push button returns to the original position by the urging force of the urging member.
[0004]
[Problems to be solved by the invention]
However, since the conventional stamp unit is structured to be stamped only by pressing the push button, there is a disadvantage that the mark is inadvertently stamped on the unphotographed photographic film package.
Further, in the conventional stamp unit, for example, when the film holder is put into the case in a state where the photo film package is accommodated, the push button is pushed against the inner wall surface of the case, and the printing material is stored while being pushed by the light-shielding envelope. In some cases, there is a disadvantage that the consumption of the stamp ink is fast.
[0005]
The present invention has been made in view of such circumstances, and an object thereof is to provide a stamp unit capable of preventing inadvertent stamping.
[0006]
[Means for solving the problems]
In order to achieve the above object, the present invention provides a stamp unit that impresses the object to be imprinted by pressing the push button, and rotatably supports the push button on the peripheral surface of the push button guide member. a regulating portion for pressing presses operably regulating button at the predetermined rotational position, a first biasing member for rotation urging in a direction to retreat the push button from said predetermined rotational position, the push A second urging member for urging the button in the direction opposite to the pressing direction is provided.
[0007]
In order to achieve the above object, the present invention provides a stamp unit that is attached to a film holder that accommodates a photographic film package, and that stamps a mark indicating that the photographic film package has been photographed by pressing a push button. A restricting portion that rotatably supports the push button on the peripheral surface of the push button guide member and restricts the push button to be pressed at a predetermined rotation position, and the push button from the predetermined rotation position. A first urging member that urges the rotation in the retracting direction and a second urging member that urges the push button to the side opposite to the pressing direction are provided.
[0008]
In order to achieve the above object, the present invention provides a method for using a stamp unit attached to a film holder for accommodating a photographic film package, wherein a first push button of the stamp unit is provided after exposure of the photographic film package . along the circumferential surface of the button guide member pushed against the urging force of the urging member rotates along the restricting portion while rotating at a predetermined rotational position where the push button is retracted from the regulating portion of the The push button is pressed against the urging force of the second urging member, and a mark indicating that the photograph has been taken is impressed on the photographic film package.
[0009]
[Action]
According to the first aspect of the present invention, the push button is rotated with respect to the push button guide member against the urging force of the urging member, and is positioned at the predetermined rotation position restricted by the restricting portion. And press it. 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, inadvertent stamping can be prevented.
[0010]
According to the second aspect of the present invention, the push button is rotated with respect to the push button guide member against the urging force of the urging member, and is positioned at the predetermined rotation position restricted by the restricting portion. Then, a pressing operation is performed, and a mark indicating that the image has been taken is imprinted on the photographic film package accommodated in the film holder. 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, inadvertent stamping can be prevented.
[0011]
According to the invention described in 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, and the restricting portion Rotate along. Then, the push button is operated to press the push button at a predetermined rotation position retracted from the restricting portion. As a result, a mark indicating that the image has been taken is impressed on the photo film package.
[0012]
【Example】
Hereinafter, preferred embodiments of a stamp unit according to the present invention will be described in detail with reference to the accompanying drawings.
First, a photographic film package that is used in a film holder and stamped by a stamp unit according to the present invention will be described. As shown in FIG. 6, the photographic film package 1 includes a film unit 2 indicated 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 figure) 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 (right side in the drawing) of the photographic film F. The second carrier sheet 6 is positioned near the rear end of the light shielding envelope 3 when the film unit 2 is stored in the light shielding envelope 3.
[0013]
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 port (not shown) on the left side. When the film unit 2 is stored in the light-shielding envelope 3, the insertion slot is closed by being inserted into the clip 5. This prevents the photographic film F from being exposed. A strip-shaped stopper tape 7 is adhered in the transverse direction of the light-shielding envelope 3 in the vicinity of the tip of the light-shielding envelope 3.
[0014]
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 main body 12, an engagement plate 14, a pressing plate 16, and the like.
The film holder main body 12 is composed of a top lid 18 and a bottom lid 20 in a box shape. 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 taken in / out from the entrance / exit 24 with the clip 5 as a tip.
[0015]
The engagement plate 14 is screwed to the bottom lid 20. In addition, a pair of leaf springs 26 are integrally extended on both side edges of the engagement plate 14. By these leaf springs 26, the pressing plate 16 is pressed and urged toward the exposed opening 22 of the film holder body 12. Three engagement claws 28 are extended on the engagement plate 14 at a predetermined interval. These engagement claws 28 are engaged with the clip 5 of the photographic film package 1 inserted at the final position in the film holder main body 12 as shown in FIG.
[0016]
As shown in FIGS. 2 and 3, the release lever 30 includes a main body portion 32 and a hand pushing lever 34. The main body 32 is urged in the drawing direction of the photographic film package 1 by an urging force of a spring (not shown), and the insertion direction of the photographic film package 1 against the urging force of the spring by operating the hand push lever 34. Can be moved to.
[0017]
Three disengagement claws 36 are bent and formed on the left end edge of the main body 32 in the drawing. When the main body 32 is pushed by the hand push lever 34 and slides in the left direction in FIG. 2, the disengagement claw 36 abuts on the engagement claw 28 so that the engagement claw 28 and the clip 5 of the photographic film package 1 are in contact with each other. Retract from the engagement position.
Next, the configuration of the stamp unit 40 of this embodiment will be described.
[0018]
As shown in FIG. 2, the stamp unit 40 is disposed in the vicinity of the entrance / exit 24 of the bottom cover 20, and is pressed to mark the “finished” mark at the rear end corner of the back side of the light-shielding envelope 3 shown in FIG. 41 is imprinted.
As shown in FIG. 4, the stamp unit 40 includes a porous stamping material 42 such as a sponge, a push button 44, a push button guide member 46, and the like, and the porous stamping material 42 is directed to the insertion path 48 of the photographic film package 1. Then, the push button guide member 46 is fixed to the bottom cover 20 by being fitted into the hole 50 of the bottom cover 20.
[0019]
A “finished” mark is formed on the surface of the porous stamping material 42, and the porous stamping material 42 is held in a cylindrical holder 56 together with a sponge 52 storing stamp ink and a fixing member 54 of the sponge 52. Has been. The fixing member 54 is fixed to the push button 44 by a screw 58.
The push button 44 is formed in a cup shape, and its inner peripheral surface is in sliding contact with the outer peripheral surface of the push button guide member 46. A spring 60 is disposed between the push button 44 and the push button guide member 46. The push button 44 is urged downward in FIG. 4 by the urging force of the spring 60, and a step portion 54 </ b> A formed on the outer peripheral portion of the fixing member 54 is applied to the inner peripheral surface of the push button guide member 46 by this urging force. By contacting the formed stepped portion 46A, it is positioned at the position indicated by the solid line in FIG. At this time, the porous stamp 42 is positioned at a position retracted from the insertion path 48 of the photographic film package 1.
[0020]
On the inner peripheral surface of the push button 44, as shown in FIG. The guide piece 62 is formed at a symmetrical position, and extends along the pressing operation direction of the push button 44 (vertical direction in FIG. 4).
On the outer peripheral surface of the push button guide member 46, arc-shaped step portions (regulating portions) 64 and 64 for guiding the guide piece 62 so as to be movable within a range of 90 ° are formed. Thereby, the push button 44 is rotatable within a range of 90 ° with respect to the push button guide member 46. A guide groove (restricting portion) 66 through which the guide piece 62 is inserted is formed at one end of the stepped portion 64, and the guide groove 66 extends in the pressing operation direction of the push button 44 (vertical direction in FIG. 4). It extends along. Accordingly, the push button 44 can be rotated only 90 ° counterclockwise from the position shown in FIG. 5 and the guide piece 62 can be pressed only at a position corresponding to the guide groove 66.
[0021]
Further, 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 guide piece 62 abuts against the one end wall 64A of the step portion 64 by this urging force. The guide piece 62 is positioned at a position shifted 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.
[0022]
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 main body 12 with the clip 5 as a tip, and the clip 5 is engaged with the engaging claw 28 of the engaging plate 14 as shown in FIG. Hold in the body 12. Next, 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 main body 12, and the film unit 2 is stored in the light-shielding envelope 3.
[0023]
Next, the “done” mark is stamped on the light-shielding envelope 3 using the stamp unit 40. First, the push button 44 is rotated counterclockwise in FIG. 5 against the urging force of the torsion spring 68. The guide piece 62 of the push button 44 is in contact with the other end wall 64B of the stepped 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. In this position, the push button 44 is pressed upward in FIG. 4 against the urging 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 so that the push button 44 can be pressed, whereby the porous printing material 42 is inserted into the insertion path 48 of the photographic film package 1. The “done” mark 41 is stamped on the back surface of the light-shielding envelope 3.
[0024]
When the hand is released from the push button 44 after the stamping, the push button 44 is moved downward by the urging force of the spring 60, and when the guide piece 62 is separated from the guide groove 66, the urging force of the torsion spring 68 causes FIG. The guide piece 62 stops at a position where the guide piece 62 contacts the one end wall 64A of the stepped portion 64. As a result, the push button 44 automatically returns to the original position before the stamping operation.
[0025]
When the stamping operation is completed, the hand push lever 34 of the film holder 10 is operated to slide the main body portion 32 of the release lever 30 in the left direction in FIG. 5 is released, 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 pushed at the position shown in FIG. 5, the push unit 44 cannot be pushed due to the locking action between the guide piece 62 and the stepped portion 64. Since the push button 44 must be rotated when performing the above, inadvertent imprinting can be prevented.
[0026]
In the present embodiment, the stamp unit applied to the film holder has been described. However, the present invention is not limited to this, and the stamp unit can also be used as a stamp unit for a seal stamp using the stamp unit alone.
[0027]
【The invention's effect】
As described above, according to the stamp unit according to the present invention, the push button cannot be pressed unless it is rotated to a predetermined rotation position against the urging force of the urging member. Sealing can be prevented.
[Brief description of the 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 the film holder. FIG. 3 is a sectional view of the film holder. Fig. 5 is a longitudinal sectional view of the stamp unit. Fig. 5 is a sectional view of the entire stamp unit along line 5-5 in Fig. 4. Fig. 6 is a plan view of the photographic film package. Fig. 7 is a side view of Fig. 6. Description】
DESCRIPTION OF SYMBOLS 1 ... Photo film package 2 ... Film unit 3 ... Light-shielding envelope 5 ... Clip 10 ... Film holder 12 ... Film holder main body 40 ... Stamp unit 42 ... Porous stamp 44 ... Push button 46 ... Push button guide member 60 ... Spring 62 ... Guide Piece 64 ... Step portion 66 ... Guide groove 68 ... Torsion spring

Claims (3)

In the stamp unit that stamps the object to be stamped by pressing the push button,
A restricting portion that rotatably supports the push button on the peripheral surface of the push button guide member and restricts the push button to be pressed at a predetermined rotation position, and the push button at the predetermined rotation position. the first biasing member and the stamp unit to the pressing direction of the push button, characterized in that a second urging member for urging the opposite side to rotationally biased in a direction to retreat from. In a stamp unit that is attached to a film holder that accommodates a photographic film package, and that stamps a mark indicating that the photographic film package has been photographed by pressing a push button.
A restricting portion that rotatably supports the push button on the peripheral surface of the push button guide member and restricts the push button to be pressed at a predetermined rotation position, and the push button at the predetermined rotation position. for film holder and a first biasing member, the pressing direction of the push button, characterized in that a second urging member for urging the opposite side to rotationally biased in a direction to retreat from Stamp unit. In the usage of the stamp unit attached to the film holder for accommodating the photographic film package,
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 first urging member and is rotated along the regulating portion. ,
The push button is pressed against the urging force of the second urging member at a predetermined rotational position where the push button is retracted from the restricting portion, and a mark indicating that the photograph has been taken is imprinted on the photographic film package. A method of using a stamp unit characterized by the above.

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