Patent Application
20100186239
The present invention relates to a tip holder used for a manual cutter for forming a scribe line on a brittle material-based substrate and a manual cutter having the tip holder.
There is conventionally known a manual cutter as a manual tool used to manually scribe a brittle material-based substrate (hereinafter, “substrate”) into a desired size. A tip is attached to a tip end of a conventional manual cutter via a tip holder.
As shown in
As shown in
As shown in
Since a tip has a diameter of about 2.5 mm and the pin has a diameter of 0.5 mmØ, both the tip and the pin are difficult to handle. Accordingly, a tip attachment operation for a conventional manual cutter disadvantageously requires lots of time. Moreover, while a plurality of specifications is set for tips according to a type, thickness, heat history, and the like of glass, it is difficult to discriminate the specifications of a tip because the tip is small. Due to this, there is a probability of attaching a tip having different specifications from a designated specification to the hand cutter.
The present invention has been achieved while paying attention to problems of a tip holder attached to the conventional manual cutter. It is an object of the present invention to eliminate cumbersome of a tip attachment operation and tip replacement operation. It is another object of the present invention to enable a user to accurately replace one tip by an appropriate tip.
To solve the problems, a tip holder for a manual cutter of the present invention used to scribe a brittle material-based substrate, comprises: a tip rotatably attached to one end of said tip holder, and forming a scribe line on a brittle material; and an attachment formed by cutting other end of said tip holder.
In the tip holder for a manual cutter, a code of characteristic data may be recorded on said tip holder.
In the tip holder for a manual cutter, said code may be a two-dimensional code.
In the tip holder for a manual cutter, the characteristic data of said tip holder may include data indicating a type of said tip.
In the tip holder for a manual cutter, said attachment may include a magnet.
To solve the problems, a tip holder for a manual cutter of the present invention used to scribe a brittle material-based substrate, comprises: a tip rotatably attached to one end of said tip holder, and forming a scribe line on a brittle material; and an operation bar provided on a side surface of said tip holder, for grasping the tip holder.
In the tip holder for a manual cutter, a recess may be provided in a part of a side surface of said tip holder.
In the tip holder for a manual cutter, a hole portion may be provided in a part of a side surface of said tip holder.
In the tip holder for a manual cutter, a code of characteristic data may be recorded on said tip holder.
In the tip holder for a manual cutter, said code may be a two-dimensional code.
In the tip holder for a manual cutter, the characteristic data of said tip holder may include data indicating a type of said tip.
The tip holder for a manual cutter may comprise a magnet on other end of the tip holder.
To solve the problems, a manual cutter of the present invention comprises: a handle; a tip holder scribing a brittle material-based substrate; and a holder attachment part provided on a tip end of said handle, and fixing said tip holder, wherein said tip holder comprises: a tip rotatably attached to one end of said tip holder, and forming a scribe line on a brittle material; and an attachment formed by cutting other end of said tip holder, and wherein said tip attachment comprises: a holding hole portion holding said tip holder by inserting said tip holder into the holding hole portion; and a fixing member pressing said attachment of said tip holder inserted into said holding hole portion, and fixing said tip holder into said holding hole portion.
In the manual cutter, said tip holder further may comprise a code recording characteristic data to said tip.
In the hand cutter, said code may be a two-dimensional code.
In the manual cutter, the characteristic data of said tip holder may include data indicating a type of said tip.
In the manual cutter, said tip holder may be made of magnetic metal, said holder attachment part may be include a magnet on said holding hold, and said magnet may attracts and fixes said tip holder inserted into said holding hole portion by a magnetic force.
To solve the problems, a manual cutter of the present invention comprises: a handle; a tip holder scribing a brittle material-based substrate; and a holder attachment part provided on a tip end of said handle, and fixing said tip holder, wherein said tip holder comprises: a tip rotatably attached to one end of said tip holder, and forming a scribe line on a brittle material; and an operation bar provided on a side surface of said tip holder, for grasping the tip holder, and wherein said holder attachment part comprises: a holding hole portion holding said tip holder by inserting said tip holder into the holding hole portion; and an operation bar introduction groove, said operation bar of said tip holder inserted into said holding hole portion being introduced into the operation bar introduction groove.
In the hand cutter, said tip holder may be include a recess in a part of the side surface of said tip holder, and said holding hole portion may include an elastic body fitted into said recess when said tip holder is inserted into the holding hole portion.
In the brittle cutter, said tip holder may include a hole portion in a part of the side surface of said tip holder, the holder attachment part may include a horizontal hole portion communicating with said holding hole portion, and said tip holder may be fixed into said holding hole portion by abutting a support abutment member inserted into said horizontal hole portion against said tip holder when said tip holder is inserted into said holding hole portion.
According to the present invention having such characteristics, a user can quite easily attach or detach a tip holder into or from within the attachment on a tip end of the manual cutter. Further, the user can complete tip replacement only by replacing the tip holder by another tip holder since there is no need to detach a tip from the tip holder.
Furthermore, according to the present invention, data on a type and running distance of the tip is held in the tip holder as a code. Due to this, the user can recognize the type and usage history according to necessity by reading the code during tip reproduction processing. Therefore, it is possible to accurately replace the tip by an appropriate tip.
As shown in
The tip holder 10 will next be described.
As shown in these figures, the tip holder 10 is a generally cylindrical member made of, for example, a magnetic metal and has the tip 14 rotatably attached to a tip end of the tip holder 10. Generally square flat portions 11a and 11b are both provided on one end of the tip holder 10 to be parallel to a central axis of the tip holder 10. The tip holder 10 includes a notch 12 between these flat portions along the central axis, and includes a pin groove 13 provided on lower ends of the flat portions 11a and 11b in a direction perpendicular to the flat portions. A two-dimensional code 17 is printed on the flat portion 11a as described later.
As shown in
Meanwhile, as shown in
A shape of the tip 14 is, for example, a disc shape having a wheel diameter of 2.5 mm and a thickness of about 0.5 mm. The tip 14 includes a through-hole at center and a circumferential portion of the tip 14 on a cut surface along a diameter is conical. The tip holder 10 rotatably holds the tip 14 by penetrating the pin 15 inserted into the pin groove 13 through the central through-hole.
The holder attachment part 30 of the hand cutter will next be described.
The holder attachment part 30 is configured to include an attachment hole portion 32, feed paths 33 and 34, the holding hole portion 35, a magnet 36A, a fixing screw hole 37, and a fixing screw 38.
The attachment hole portion 32 is fitted into the shaft center 23. The lubricant oil is fed to the feed paths 33 and 34 from an oil inlet center 29 formed in a central portion of the shaft center 23 and connected to the lubricant reservoir 21. The magnet 36A is attached to a top of the holding hole portion 35 and holds the tip holder 10 using a magnetic force. The fixing screw 38 serving as a fixing member is inserted into the fixing screw hole 37 to contact and press the tip holder 10, thereby fixing the tip holder 10 into the holding hole portion 35.
To attach this tip holder 10 into the holder attachment part 30, the tip holder 10 is inserted into an opening of the holding hole portion 35 from the attachment part 16 as shown in
A similar configuration can be realized even if the magnet 36A is provided not in the holder attachment part 30 but in the attachment part 16 of the tip holder 10.
A method of recording various pieces of tip data will next be described. Various pieces of data characteristic of the attached tip 14 are recorded in the tip holder 10 according to the present embodiment as management data. Examples of the various pieces of data characteristic of the tip 14 include a type, manufacture date and lot number. When the used tip holder 10 returns to a manufacturing plant, the various pieces of data recorded in the tip holder 10 are readable by reading the management data recorded in the tip holder 10. Using the various pieces of data, appropriate reproduction processing can be performed on the tip attached to the tip holder. For example, the various pieces of data can be used for information for grinding or polishing the used tip and reproducing the tip to a usable tip. Moreover, it is possible to know history of a tip replaced by another tip from data on a manufacturing date and to use the data for quality management.
In the present embodiment, a code is recorded in the flat portion 11a or 11b of the tip holder as shown in, for example,
a) and 14(b) show writing of a two-dimensional code to the tip holder 10 and reading thereof from the tip holder 10. In
To read the printed two-dimensional code 17, a reader 43 reads the two-dimensional code 17 as shown in
Furthermore, the tip holder 10 can be used for a scriber of any type other than the manual cutter. If the tip holder 10 is used for an automatic scriber, it is necessary to use correction data that is digitized an assembly accuracy for assembly of the tip and the tip holder during attachment or replacement of the tip holder. If the two-dimensional code 17 includes such correction data, the tip holder can be used in common for the hand cutter and the scriber.
In the present embodiment, the head part 42 directly prints the two-dimensional code on the tip holder 10. Alternatively, a label on which the two-dimensional code is printed may be bonded onto the tip holder 20. In the present embodiment, the head part 42 prints the two-dimensional code on either the flat portion 11a or 11b of the tip holder. Alternatively, the two-dimensional code may be recorded on the inclined portion 16a or flat portion 16b or recorded on a side surface of the cylindrical portion.
In the present embodiment, the data such as the type, manufacturing date, and lot number of the tip is recorded as the two-dimensional code, however, only one of the data may be recorded. Furthermore, other devices can be used in place of the controller 41, head part 42, and reader 43 of the laser marker as long as the devices record and read a two-dimensional code. A wireless handy reader can be replaced by the reader 43.
Moreover, in the present embodiment, the head part 42 records the characteristic data on the tip holder as the two-dimensional code. Alternatively, the two-dimensional code may be replaced by a close contact data carrier or the like. In this case, the data carrier is attached to the flat portion 16b or the like of the tip holder, and a read-write unit including data reading and writing functions is arranged in a portion opposed to the data carrier of the holder attachment part 30. By doing so, it is possible to read or write the characteristic data from or to the tip holder without use of a recorder, the read sensor or the like.
A tip holder 60A and a holder attachment part 70A according to embodiment 2 of the present invention will be described.
The tip holder 60A is made of generally cylindrical magnetic metal and includes a recess 62 formed annularly on an entire outer circumference of the tip holder 60A. The tip holder 60A rotatably holds a tip 14 similar to that according to embodiment 1. The tip holder 60A includes an operation bar 61A protruding from a side surface of the tip holder 60A to facilitate inserting the tip holder 60A into the holder attachment part 70A.
The holder attachment part 70A includes a generally cylindrical holding hole portion 72A for inserting and holding the tip holder 60A, and a bar introduction groove 71A for introducing the operation bar 61A of the tip holder 60A. Only a portion of the bar introduction groove 71A is shown in a cross section of the holder attachment part 70A shown in
The tip holder 60A is inserted into the holding hole portion 72A while introducing the operation bar 61 into the bar introduction groove 71A. When the tip holder 60A is inserted into the holding hole portion 72A and pulled up the operation bar 61A to an uppermost portion of the bar introduction groove 71A, the recess 62 of the tip holder 60A is engaged with the elastic member 73 of the holding hole portion 72A to fix the tip holder 60A into the holder attachment part 70A as shown in
A holder attachment part 70B and a tip holder 60B according to embodiment 3 of the present invention will be described referring to
The holder attachment part 70B according to the present embodiment is configured similar to the holder attachment part 70A according to embodiment 2 except that the holder attachment part 70B includes a magnet 36B in an upper portion of a holding hole portion 72B and the holding hole portion 72B does not include an elastic member 73.
The tip holder 60B is made of generally cylindrical magnetic metal, rotatably holds a tip 14 similar to that according to embodiment 1 on a lower end of the tip holder 60B, and further includes a through-hole on a side surface thereof. While a user insets an operation bar 61B into this through-hole, one end of the operation bar 61B does not protrude from the through-hole but remains in the through-hole. Therefore, as shown in
If the tip holder 60B is inserted into the holding hole portion 72B while introducing the operation bar 61B into a bar introduction groove 71B, the magnet 36B attracts the tip holder 60B using a magnetic force, accurately positions the tip holder 60B, and surely fixes the tip holder 60B into the holder attachment part 70B.
A holder attachment part 70C and a chip holder 60C according to embodiment 4 of the present invention will be described referring to
The holder attachment part 60C according to the present embodiment is configured similarly to the holder attachment part 60B according to embodiment 3, and includes an operation bar 61C similar to the operation bar 61B and an operation bar hole portion 74B similar to the operation bar hole portion 74A.
As shown in
The ball plunger 80A, which is generally cylindrical, has an opening on a left end thereof and includes a metal ball 81A a part of which protrudes from the opening. An internal spring or the like of the ball plunger 80A urges the ball 81A toward outside of the opening.
If this tip holder 60C is inserted into the holding hole portion 72C of the holder attachment part 70C and the ball plunger 80A is inserted into the horizontal hole portion 75A while inserting the operation bar 61C into the bar introduction groove 71C, the ball 81A of the ball plunger 80A is fitted into the operation bar hole portion 74B of the tip holder 60C. If the ball plunger 80A is fixed to the holder attachment part 70C using the plunger setscrew 82A in this state, the tip holder 60C is positioned with respect to the holder attachment part 70C and fixed into the holder attachment part 70C.
Embodiment 5 of the present invention will be described referring to
The holder attachment part 70D according to the present embodiment differs in configuration from the holder attachment part 70C according to embodiment 4 in that a magnet 36C is provided in an upper portion of a holding hole portion 72D. The holder attachment part 70D is similar in other configurations to the holder attachment part 70C according to embodiment 4. The magnet 36C attracts the tip holder 60D inserted into the holding hole portion 72D, thereby accurately positioning the tip holder 60D with respect to the holder attachment part 70D, and fixing the tip holder 60D into the holder attachment part 70D.
In the present embodiment, the tip holder 60D is fixed into the holder attachment part 70D using the magnet 36C as well as a ball plunger 80B, thereby facilitating attachment of the tip holder 60D similarly to embodiment 1. Furthermore, the tip holder 60D attracted by the magnet 36C can be safely detached since the tip holder 60D is prevented from being inadvertently fallen during detachment of the tip holder 60D.
A similar configuration can be realized even if the magnet 36C is provided not in the holder attachment part 70D but in an upper portion of the tip holder 60D.
An operation bar hole portion according to each of embodiments 4 and 5 is not necessarily at a position of a through-hole into which the operation bar is penetrated. The tip holder can be inserted into the holder attachment part as long as a recess or the like fitted into a ball of the ball plunger is at an appropriate position.
Alternatively, the holder attachment part and the tip holder according to each of embodiments 4 and 5 may be configured to include the ball plunger in the tip holder so as to protrude the ball urged by a spring to outside of the tip holder. By providing a recess or the like fitted into the ball of the plunger at an appropriate position of the holding hole portion, the user can fix the tip holder into the holder attachment part if the ball is fitted into the recess similarly to embodiments 4 and 5.
A holder attachment part 70E and a chip holder 60E according to embodiment 6 of the present invention will be described referring to
As shown in
The tip holder 60E, which is made of generally cylindrical magnetic metal, rotatably holds a tip 14 similarly to embodiment 1 and further includes a through-hole on a cylindrical side surface. While a user insets the operation bar 61E into this through-hole, one end of the operation bar 61E does not protrude from the through-hole but remains in the through-hole. As shown in
If this tip holder 60E is inserted into the holding hole portion 72E of the holder attachment part 70E and the bolt 90 is inserted into the horizontal hole portion 75C while inserting the operation bar 61E into the bar introduction groove 71E, the bolt 90 is fitted into the bolt insertion hole portion 76 of the tip holder 60E. The tip holder 60E is thereby positioned with respect to the holder attachment part 70E and fixed into the holder attachment part 70E.
Alternatively, a coil spring may be used in place of the bolt 90 according to the present embodiment. The user can fix the tip holder 60E into the holder attachment part 70E by causing the coil spring to press the tip holder 60E.
The bolt insertion hole portion 76 according to the present embodiment is not necessarily at a position shown in figure as long as the bolt 90 can be fitted into the bolt insertion hole portion 76.
By the method described in each of the embodiments described so far, the user can position the tip holder with respect to the holder attachment part, fix the tip holder into the holder attachment part, and easily replace only the tip holder.
Although the tip holder described in each of the embodiments is generally cylindrical, the shape of the tip holder is not limited to this cylindrical shape. Even if the tip holder is prismatic, it is possible to exhibit advantages of the present invention.
Moreover, the two-dimensional code or data carrier described in embodiment 1 can be provided in the tip holder according to each of embodiments 2 to 6, thereby making it possible to manage various pieces of data characteristic of each tip.
The present invention is applicable to a tool or a device using a tip for forming scribe lines on a brittlle material-based substrate. According to the present invention, the tip holder is attachable into or detachable from the tool or device quite easily, and it is thereby possible to easily replace one tip by another.
| Number | Date | Country | Kind |
|---|---|---|---|
| 2007-176723 | Jun 2007 | JP | national |
| Filing Document | Filing Date | Country | Kind | 371c Date |
|---|---|---|---|---|
| PCT/JP2008/001330 | 5/28/2008 | WO | 00 | 4/7/2010 |
