JP6481478B2 - Date stamp with lock - Google Patents

Description

  The present invention relates to a date stamp with a lock that incorporates a lock mechanism so that the date cannot be changed without permission.

  Conventionally, a date stamp in which a printing unit including a plurality of printing belts is accommodated in a main body case is known and widely used in financial institutions such as banks and public offices. As a basic structure of such a date stamp, it has a main body case for storing a printing unit including a print belt and an adjustment dial, and a cylindrical holder for storing the main body case. What engages the engaging uneven part provided in the case and makes it a locked state is known. In this case, the engagement state of the concave and convex portions for engagement of the cylindrical holder is released, the cylindrical holder is moved in the axial direction, and the date of the printing unit is changed with the printing unit exposed. Yes.

  On the other hand, it has been pointed out that it is necessary to prevent the creation of documents that are different from the original date by changing the date and stamping at banks, etc., so that the date of the printing unit cannot be changed freely. A date stamp with a lock incorporating a lock mechanism has been proposed (see, for example, Patent Document 1 and Patent Document 2).

  However, in the date stamp with a lock described in Patent Document 1 or Patent Document 2, the lock ring is supported on the outer periphery of the main body case and the lock ring is locked, and the operation is complicated. In addition, there is a problem that the structure is complicated and the design is severely restricted.

JP 2011-25440 A JP, 2014-100900, A

  SUMMARY OF THE INVENTION An object of the present invention is to provide a date stamp with a lock that solves the problems as described above, has a simple structure, is excellent in operability, and can reliably prevent an arbitrary date change. It is what.

The date stamp with a lock according to the present invention, which has been made to solve the above-mentioned problems, includes a main body case for storing a printing unit having a print belt and an adjustment dial, and a relative rotation with respect to the main body case. It has a movable cylindrical holder,
A marking state in which the case holder engaging portion provided in the main body case and the holder side engaging portion provided in the cylindrical holder are engaged, and the cylindrical holder cannot be relatively rotated;
The date when the date of the printing unit can be changed by releasing the engagement state of the case side engaging portion and the holder side engaging portion, relatively rotating the cylindrical holder and then pulling out the printing unit from the cylindrical holder. It has a structure that can change to two postures in the changed state,
Furthermore, a cap-shaped attachment provided with a claw piece for unlocking at one end of the cylindrical holder is detachable,
When this attachment is attached to the cylindrical holder, the engagement state between the case side engaging portion and the holder side engaging portion is released by the claw piece so that the cylindrical holder can rotate relative to the main body case. It is characterized by that.

According to a preferred embodiment, the case-side engaging portion is an axially projecting convex portion provided at the rear end of the main body case, while the holder-side engaging portion is a rear end portion of the cylindrical holder. Is a through-hole-shaped concave part that can be engaged with the convex part, and is configured so that the relative rotation of the cylindrical holder is disabled by the engagement of the concave-convex part,
In addition, the attachment is detachable at the rear end of the cylindrical holder, and a claw piece protruding from the lower end edge of the attachment is inserted into the concave portion and deformed so as to push out the convex portion. It is preferably configured to release the engaged state.

According to another preferred embodiment, the case side engaging portion is a convex portion that is provided on the outer peripheral wall of the front portion of the main body case and can be repelled in the outer peripheral direction, while the holder side engaging portion is a cylindrical holder. The convex portion provided on the inner peripheral surface of the front portion is a concave portion that can be engaged, and is configured so that relative rotation of the cylindrical holder is disabled by the engagement of the concave and convex portions,
In addition, the attachment is detachable at the front end of the cylindrical holder, and the nail piece protruding from the lower end edge of the attachment is attached so that the convex part on the main body case side is deformed toward the center. What is comprised so that the engagement state of a part may be cancelled | released is preferable.

  According to another preferred embodiment, the front end of the main body case is provided with a second window hole for exposing the print belt, and the print belt cannot be rotated even when the master seal is removed. Are preferred.

  According to a further preferred embodiment, after changing the date of the printing unit, it is in a stamped state, and then the attachment is detached from the cylindrical holder and stored in the administrator so that a third party can freely change the date. It is preferable that the device is configured so that it cannot be performed.

  The date stamp with a lock according to the present invention has a main body case for storing a printing unit having a printing belt and an adjustment dial, and a cylindrical holder for storing the main body case and capable of rotating relative to the main body case. A case where the case side engagement portion provided in the main body case and the holder side engagement portion provided in the cylindrical holder are engaged to make the relative rotation of the cylindrical holder impossible, and the case side engagement The date of the date change state in which the date of the print unit can be changed by releasing the engagement state of the print unit and the holder side engagement portion, relatively rotating the cylindrical holder, and pulling out the print unit from the cylindrical holder. When the cap holder with a claw piece for unlocking is detachably attached to one end of the cylindrical holder, and this attachment is attached to the cylindrical holder Since the engaging state of the case side engaging portion and the holder side engaging portion is released by the claw piece and the cylindrical holder can be rotated relative to the main body case, the cylindrical holder Since the relative rotation is impossible, no one can change the date of the printing unit without permission, and it is possible to reliably prevent an incorrect date change. On the other hand, when the date change is necessary, the date change state can be created by a simple operation of only mounting the attachment and rotating the cylindrical holder.

  Further, the case side engaging portion is a convex portion that is provided at the rear end of the main body case and can be repelled in the axial direction, while the holder side engaging portion is provided at the rear end portion of the cylindrical holder. It is a through-hole-shaped concave part with which the convex part can be engaged, and is configured so that the relative rotation of the cylindrical holder is disabled by the engagement of the concave-convex part, and the attachment is provided at the rear end of the cylindrical holder. If it is configured to release the engagement state of the concavo-convex part by deforming the claw piece protruding from the lower end edge of the attachment into the concave part and pushing out the convex part In addition, it is possible to provide a date stamp with a lock having a simple structure and excellent operability, and design constraints can be reduced.

Further, the case side engaging portion is a convex portion provided on the outer peripheral wall of the front portion of the main body case and capable of repelling in the outer peripheral direction, while the holder side engaging portion is provided on the inner peripheral surface of the front portion of the cylindrical holder. The provided convex portion is a concave portion that can be engaged, and is configured so that relative rotation of the cylindrical holder is disabled by engagement of the concave and convex portions, and the attachment is detachable at the front end of the cylindrical holder The claw piece protruding from the lower edge of the attachment is mounted so that the convex part on the main body case side is deformed toward the center, and the engagement state of the uneven part is released. Then, as in the case described above, it is possible to provide a date stamp with a lock having a simple structure and excellent operability, and design constraints can be reduced.

  Further, a second window hole for exposing the print belt is provided at the front end of the main body case, and if the print belt cannot be rotated even when the master seal is removed, the master belt is intentionally used. Even if the date is forcibly changed by removing the seal, the date belt can be prevented from being changed because the print belt cannot be rotated.

  Furthermore, after changing the date of the printing unit, it is in a stamped state, and then the attachment is detached from the cylindrical holder and stored in the administrator, so that the date cannot be changed freely by a third party. If it is assumed, it is possible to reliably prevent an illegal date change act only by managing the attachment.

(A) is a top view which shows the 1st Embodiment of this invention, (b) is a front view, (c) is a bottom view. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. (A) is a top view which shows the main body case of 1st Embodiment, (b) is a front view, (c) is a bottom view. It is CC sectional drawing of FIG. (A) is a top view which shows the main body receiving member of 1st Embodiment, (b) is a front view. It is DD sectional drawing of FIG. (A) is a top view which shows the cylindrical holder of 1st Embodiment, (b) is a front view. It is EE sectional drawing of FIG. (A) is a top view which shows the attachment of 1st Embodiment, (b) is a front view, (c) is a bottom view. It is FF sectional drawing of FIG. It is explanatory drawing of the process of canceling | releasing engagement of the case side engaging part and holder side engaging part of 1st Embodiment. (A) is a top view which shows the 2nd Embodiment of this invention, (b) is a front view, (c) is a bottom view. It is GG sectional drawing of FIG. It is HH sectional drawing of FIG. (A) is a top view which shows the main body case of 2nd Embodiment, (b) is a front view, (c) is a bottom view. It is II sectional drawing of FIG. (A) is a top view which shows the cylindrical holder of 2nd Embodiment, (b) is a front view, (c) is a bottom view. It is JJ sectional drawing of FIG. (A) is a top view which shows the attachment of 2nd Embodiment, (b) is a front view, (c) is a bottom view. It is KK sectional drawing of FIG. It is explanatory drawing of the process of canceling | releasing engagement of the case side engaging part and holder side engaging part of 2nd Embodiment.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
1 to 12 show a first embodiment of the present invention, and FIGS. 13 to 22 show a second embodiment of the present invention. Hereinafter, the same reference numerals are used for common parts in the first embodiment and the second embodiment. Further, in the following description, the forward direction of the date stamp means a direction on the side having the marking surface at both ends of the cylindrical stamp body, and the backward direction means a direction opposite to the forward direction.

(First embodiment)
FIG. 1 is a plan view, a front view, and a bottom view showing a first embodiment of the present invention, FIG. 2 is a sectional view taken along line AA, and FIG. 3 is a sectional view taken along line BB. As shown in FIGS. 1 to 3, the date stamp with a lock according to the present invention stores a main body case 1 that houses a printing unit 2 having a plurality of printing belts 2 a and an adjustment dial 2 b, and the main body case 1. And a cylindrical holder 3 that can rotate relative to the main body case 1. Reference numeral 4 denotes a marking surface. In actual products, the marking surface 4 is covered with a protective cap (not shown). In the figure, 5 is an adjusting screw for adjusting the height of the printing surface of the printing unit 2, and 6 is an ink occlusion body for supplying ink to the printing belt 2a.

  The printing unit 2 has a known structure and is housed in the main body case 1. As shown in FIGS. 2 and 4, the main body case 1 has a second window hole 1 a formed at the front end, from which the print belt 2 a is exposed. The function of the second window hole 1a will be described later. Also, a plurality of slits 1b are provided on the wall surface, and the adjustment dial 2b is exposed from the slits 1b so that the adjustment dial 2b can be operated from the outside of the case.

The main body case 1 is provided with a case side engaging portion 7, and the cylindrical holder 3 is provided with a holder side engaging portion 8, and these engaging portions 7, 8 are engaged with each other. A stamped state in which the relative rotation of the cylindrical holder 3 with respect to the main body case 1 is impossible is configured.
On the other hand, the engagement state of the case side engaging portion 7 and the holder side engaging portion 8 is released, the cylindrical holder 3 is relatively rotated, and the printing unit 2 is pulled out from the cylindrical holder 3 to print the printing unit 2. The date change state in which the date can be changed can be configured, and the two postures can be changed.

  Furthermore, a cap-shaped attachment 12 provided with a claw piece 12a for unlocking is detachably attached to one end of the cylindrical holder 3, and when the attachment 12 is attached to the cylindrical holder 3, The engagement state between the case side engaging portion 7 and the holder side engaging portion 8 is released by the claw piece 12 a, and the cylindrical holder 3 is configured to be rotatable relative to the main body case 1. This point will be described later.

A main body receiver 9 as shown in FIGS. 6 to 7 is attached to the rear end of the main body case 1, and a case-side engaging portion 7 is provided on the main body receiver 9.
In the first embodiment, the case-side engaging portion 7 is a convex portion 10 provided at the rear end of the main body case 1 and capable of repelling in the axial direction. That is, an L-shaped plate piece 10a protrudes from the rear end of the main body case 1, and a convex portion 10 is formed at the tip of the plate piece 10a so that the convex portion 10 can be repelled in the axial direction. It has become.
On the other hand, as shown in FIGS. 8 to 9, the holder-side engaging portion 8 is a through-hole-shaped concave portion 11 with which the convex portion 10 provided at the rear end portion of the cylindrical holder 3 can be engaged. The cylindrical holder 3 is configured to be relatively unrotatable by the engagement of the concave and convex portions. In the illustrated example, the number of the concave portions 11 is three corresponding to the number of the convex portions 10 and three positions, but it goes without saying that the concave and convex portions can be changed to an arbitrary number.

  Further, the attachment 12 is detachable at the rear end of the cylindrical holder 3. As shown in FIGS. 10 to 11, the attachment 12 has a cap shape, and three claw pieces 12 a project from the lower end edge. The number and position of the claw pieces 12a correspond to the concave portion 11, and the engagement state of the concavo-convex portion is formed by being inserted into the concave portion 11 and deformed so as to push out the convex portion 10 which is the holder side engaging portion. Is configured to release.

FIG. 12 is an explanatory diagram of a process of releasing the engagement between the case side engaging portion 7 and the holder side engaging portion 8.
As shown in the upper figure, in the stamped state, the convex portion 10 is engaged with the concave portion 11 and the cylindrical holder 3 cannot be rotated relative to the main body case 1. Next, as shown in the middle figure, when the claw piece 12a of the attachment 12 is inserted into the recess 11, the plate piece 10a is bent and the projection 10 is pushed out of the recess 11, and the engagement state of the projection and recess is released. Become. Next, as shown in the figure below, when the attachment 12 is rotated, the cylindrical holder 3 can be rotated relative to the main body case 1.
As a result, the printing unit 2 can be pulled out of the cylindrical holder 3 and can be changed to a date-changed posture in which the date of the printing unit 2 can be changed.

Further, the front end of the main body case 1 is provided with a second window hole 1a for exposing the print belt, and the print belt 2a cannot be rotated even when the master seal 17 is removed. .
In general, the first stamp hole 17 is provided with a first window hole 17a from which specific numbers of the print belt 2a are exposed, and the first window hole 17a is restricted. Thus, the print belt 2a cannot be rotated. However, if the master seal 17 is forcibly removed, the window hole is not restricted, and the print belt 2a can be manually rotated, and the date can be changed. On the other hand, when the second window hole 1a is provided, the print belt 2a is kept in a state where it is restricted by the second window hole 1a even when the master seal 17 is removed. Therefore, it is possible to prevent date changes more highly illegally.

Further, according to the present invention, after the date of the printing unit 2 is changed, it is in a stamped state, and then the attachment 12 is detached from the cylindrical holder 3 and stored in the administrator so that a third party can freely set the date. It is configured not to be able to make changes. As a result, an illegal date changing action can be reliably prevented only by managing the attachment 12.
After the attachment 12 is removed, there is no problem in appearance if a cap for decoration (not shown) is put on instead of the attachment 12.

(Second Embodiment)
Next, a second embodiment will be described.
FIG. 13 is a plan view, a front view, and a bottom view showing a second embodiment of the present invention, FIG. 14 is a GG sectional view, and FIG. 15 is a HH sectional view. The basic structure of the second embodiment is the same as that of the first embodiment, and the same numbers are used for common parts. 16 to 17 show the main body case 1, FIGS. 18 to 19 show the cylindrical holder 3, and FIGS. 20 to 21 show the attachment 12.

By engaging the case side engaging portion 7 provided in the main body case 1 and the holder side engaging portion 8 provided in the cylindrical holder 3, relative rotation of the cylindrical holder 3 with respect to the main body case 1 is made impossible. This is the same as the first embodiment in that the marking state is configured.
In addition, a cap-like attachment 12 provided with a claw piece 12a for unlocking is detachably attached to one end of the cylindrical holder 3, and when the attachment 12 is attached to the cylindrical holder 3, The claw piece 12a is also configured such that the engagement state of the case side engagement portion 7 and the holder side engagement portion 8 is released, and the cylindrical holder 3 can be rotated relative to the main body case 1. This is the same as the first embodiment.
In the second embodiment, since the attachment 12 is attached to the front end of the cylindrical holder 3, a design cap 12b is put on the rear end.

In the second embodiment, as shown in FIGS. 16 to 17, the case-side engaging portion 7 is a convex portion 14 provided on the outer peripheral wall of the front portion of the main body case 1 and capable of repelling in the outer peripheral direction. It has become. The convex portion 14 is formed at the tip end portion of the plate piece 14a cut out in three directions, and is normally in a state of being bulleted in the outer peripheral direction.
On the other hand, as shown in FIG. 19, the holder side engaging portion 8 is a concave portion 15 that can be engaged with the convex portion 14 provided on the inner peripheral surface of the front portion of the cylindrical holder 3. And it is comprised so that the relative rotation of the cylindrical holder 3 is impossible by engagement of these uneven | corrugated | grooved parts 14 and 15. FIG. A guide groove 16 is provided on the inner peripheral surface of the front end of the cylindrical holder 3.

Further, the attachment 12 is detachable at the front end of the cylindrical holder, and the claw piece 12a protruding from the end edge of the attachment 12 is mounted so that the convex part 14 on the main body case side is deformed toward the center. By doing so, the engagement state of the concavo-convex portions 14 and 15 is released.

FIG. 22 is an explanatory diagram of a process of releasing the engagement between the case side engaging portion 7 and the holder side engaging portion 8.
As shown in the above figure, in the stamped state, the convex portion 14 is engaged with the concave portion 15, and the relative rotation of the cylindrical holder 3 with respect to the main body case 1 is impossible. Next, as shown in the middle figure, when the claw piece 12a of the attachment 12 is inserted between the main body case 1 and the cylindrical holder 3, the plate piece 14a is bent in the central direction, and the convex portion 14 is pushed down in the central direction. The engaged state of the parts 14 and 15 is released. Next, as shown in the figure below, when the attachment 12 is rotated, the cylindrical holder 3 can be rotated relative to the main body case 1. As a result, the printing unit 2 can be pulled out of the cylindrical holder 3 and can be changed to a date-changed posture in which the date of the printing unit 2 can be changed.
In addition, although the above description was performed about the case where a convex part was provided on the main body case side and a concave part was provided on the cylindrical holder side, it is possible that a concave part is provided on the main body case side and a convex part is provided on the cylindrical holder side. Of course.

Further, the front end of the main body case 1 is provided with a second window hole 1a for exposing the print belt, and the print belt 2a cannot be rotated even when the master seal 17 is removed. As in the second embodiment, it is possible to prevent date changes more highly illegally.
Further, after the date of the printing unit 2 is changed, it is in a stamped state, and then the attachment 12 is detached from the cylindrical holder 3 and stored in the manager, so that the date cannot be freely changed by a third party. It is configured as follows. As a result, it is the same as that of the second embodiment in that an illegal date changing action can be reliably prevented only by the management of the attachment 12.
After the attachment 12 is removed, there is no problem in appearance if a cap for decoration (not shown) is put on instead of the attachment 12.
In the second embodiment, a mechanism that disables relative rotation of the cylindrical holder is provided at the front end of the main body case, but it can also be provided at the rear end of the main body case.

DESCRIPTION OF SYMBOLS 1 Main body case 1a 2nd window hole 1b Slit 2 Printing unit 2a Printing belt 2b Adjustment dial 3 Cylindrical holder 4 Marking surface 5 Adjustment screw 6 Ink occlusion body 7 Case side engaging part 8 Holder side engaging part 9 Main body receptacle 10 Convex Part
10a Plate piece 11 Recess 12 Attachment
12a Nail pieces
12b Design cap 14 Convex
14a Plate piece 15 Recess 16 Guide groove 17 Master seal
17a First window hole

Claims (5)

A main body case for storing a printing unit having a printing belt and an adjustment dial, and a cylindrical holder for storing the main body case and capable of rotating relative to the main body case;
A marking state in which the case holder engaging portion provided in the main body case and the holder side engaging portion provided in the cylindrical holder are engaged, and the cylindrical holder cannot be relatively rotated;
The date when the date of the printing unit can be changed by releasing the engagement state of the case side engaging portion and the holder side engaging portion, relatively rotating the cylindrical holder and then pulling out the printing unit from the cylindrical holder. It has a structure that can change to two postures in the changed state,
Furthermore, a cap-shaped attachment provided with a claw piece for unlocking at one end of the cylindrical holder is detachable,
When this attachment is attached to the cylindrical holder, the engagement state between the case side engaging portion and the holder side engaging portion is released by the claw piece so that the cylindrical holder can rotate relative to the main body case. Date stamp with lock, characterized by The case side engaging portion is a convex portion that is provided at the rear end of the main body case and can be repelled in the axial direction, while the holder side engaging portion is provided with the convex portion provided at the rear end portion of the cylindrical holder. It is a through-hole-shaped recess that can be engaged, and is configured so that relative rotation of the cylindrical holder is disabled by the engagement of these concavo-convex portions,
In addition, the attachment is detachable at the rear end of the cylindrical holder, and a claw piece protruding from the lower end edge of the attachment is inserted into the concave portion and deformed so as to push out the convex portion. The date stamp with a lock | rock of Claim 1 comprised so that an engagement state might be cancelled | released. The case side engaging portion is a convex portion that is provided on the outer peripheral wall of the front portion of the main body case and can be repelled in the outer peripheral direction, while the holder side engaging portion is provided on the inner peripheral surface of the front portion of the cylindrical holder. The convex part is a concave part that can be engaged, and is configured so that relative rotation of the cylindrical holder is disabled by the engagement of the concave and convex parts.
In addition, the attachment is detachable at the front end of the cylindrical holder, and the nail piece protruding from the lower end edge of the attachment is attached so that the convex part on the main body case side is deformed toward the center. The date stamp with a lock | rock of Claim 1 comprised so that the engagement state of a part might be cancelled | released.   The front end of the main body case is provided with a second window hole for exposing the print belt, and the print belt cannot be rotated even when the master seal is removed. A date stamp with a lock.   After changing the date of the printing unit, it will be in the stamped state, and then the attachment will be removed from the cylindrical holder and stored in the administrator, so that the date can be changed freely by a third party. The date stamp with a lock | rock in any one of Claims 1-4.