JP4278207B2 - ruler - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an improvement of a ruler, mainly a ruler used as a guide for drawing or cutting a line on a target surface such as paper. Relates to a ruler that allows smooth slipping.
[0002]
BACKGROUND OF THE INVENTION
In general, the above-mentioned ruler is made of plastic, wood, bamboo, metal, or the like, and is assumed to be in flat contact with the surface of the object to be drawn. Usually, when drawing a line using this ruler, the ruler is pressed from above with the fingertip of one hand, the writing instrument is held with the other hand, and the tip of the writing instrument is made to follow the edge of the ruler.
[0003]
Here, the fingertip that presses the ruler is difficult to extend over the entire ruler and becomes a point, so this presser part becomes the fulcrum, and the force applied by the writing tool at the part away from this fulcrum becomes the point of action. It will also turn the ruler. In order to prevent this, it is necessary to increase the presser force, and the work is fatigued.
[0004]
A ruler equipped with a handle is also known. However, in actual work, the handle becomes an obstacle, and in addition, the handle causes troubles in storage and carrying.
[0005]
Furthermore, there are some which have a non-slip material such as a rubber sheet attached to the back side of the ruler. In this case, however, it is extremely inconvenient if the ruler is shifted to another position.
[0006]
When cutting using a ruler, the cutter may damage the edge of the ruler, and the ruler itself may be disabled.
[0007]
OBJECT OF THE INVENTION
Therefore, the present invention has been made paying attention to the above-mentioned conventional actual situation and problems, and when such problems are solved, positioning is performed without causing a position shift at the time of use, and the position of the ruler is shifted. The purpose is to provide a ruler with options for cutters, which can be done with a single touch of pressing and releasing one point. .
[0008]
[Means for Solving the Problems]
In order to achieve this object, the ruler according to the present invention has a spring member with the center portion bent upward on the surface of the ruler body, and in accordance with the pressing of the spring member, the anti-slip member is formed on the lower surface of the ruler body. The above-described spring member is a plate material, and the above-mentioned spring member is a bar material.
[0009]
Further, the present invention is characterized in that the above-described anti-slip member is a replaceable rubber piece, and the above-described anti-slip member is a balloon that is inflated by pressing of the spring member. It is characterized by having.
[0010]
Furthermore, the present invention is characterized in that a cutter guide is detachably provided on at least one side, the above-described spring member is branched, and a wire is connected to the above-described spring member. And a link and a cam mechanism are connected to the spring member.
[0011]
The present invention is characterized in that the end support portion of the spring member described above is provided on the surface of the ruler main body, and the reinforcing protrusion that allows the spring member to enter and exit integrally with the support portion described above. Is provided in the shape of a frame, characterized in that it has a point mark of pressing at the center of the spring member described above, and uses a plurality of plate members or bar members connected as the spring member, The movable guide is provided, and a stopper for preventing the above-described spring material from exceeding the dead point is provided.
[0012]
By using the above configuration, when using, a ruler is placed on the target paper surface, etc., the anti-slip member protrudes by pressing the spring member with the fingertip of one hand, the ruler is positioned on the paper surface, etc. No slippage occurs when force is applied to the edges. Further, by loosening the pressing force, the anti-slip member returns to the initial state, and the position can be moved smoothly, and the operation can be completed with one touch.
[0013]
Next, embodiments of the present invention will be described with reference to the drawings. 1 is an overall perspective view of a ruler embodying the present invention, FIG. 2 is an end schematic sectional view, FIG. 3 is an end schematic sectional view showing another example, and FIG. 4 is an end sectional view in which a mechanism is assembled. 5 is a sectional view from another direction, FIG. 6 is a sectional view of the end portion in use, FIG. 7 is an overall plan view, FIG. 8 is a side view, FIG. 9 is a side view when changed, and FIG. FIG. 11 is an exploded perspective view showing the rubber piece mounting structure, FIG. 12 is a side view showing another example, FIG. 13 is a partial perspective view showing the cutter guide mounting structure, and FIG. Is a schematic diagram showing another example, FIG. 15 is a schematic diagram in the case of interposing a wire, FIG. 16 is a schematic diagram of the end part, FIG. 17 is a schematic diagram showing another example in which a wire is interposed, FIG. 18 is also a diagram showing a combined operation state, FIG. 19 is a schematic diagram showing an example in which a cam and a wire are interposed, 20 is a schematic diagram before use of the end portion, FIG. 21 is a schematic diagram in use, and FIGS. 22A, 22B, and 22C are schematic side sectional views showing an example in which a balloon is interposed, FIG. 23 is also a plan view, FIG. 24 is a perspective view of a main part showing an example of a support structure of a spring member, FIG. 25 is a side view showing an example of overlapping plate spring members, and FIG. 26 is an example of a support structure of a spring member. 27 is also a perspective view of the main part, FIG. 28 is a plan view of the main part, FIG. 29 is a schematic view of an example in which a wire and a link are interposed, and FIG. 30 is also a plan view of the main part. 31 is a side view of the main part, FIG. 32 is a partial perspective view showing a compressor mechanism for sending air, FIG. 33 is a plan view showing an application example to a triangular ruler, and FIG. 34 is a plan view showing another example. 35 is an enlarged view of a cutter guide mounting portion, and FIG. 36 is a diagram showing an application example to a triangular ruler 37 is a plan view showing another example, FIG. 38 is a plan view showing another example, FIG. 39 is a schematic side view of an example using a bar as a spring member, and FIG. 41 is an end view along line A, FIG. 41 is a side view showing another example mechanism, FIG. 42 is a plan view, and FIG.
[0014]
In these drawings, reference numeral 1 denotes a ruler body. The ruler body 1 is formed of plastic in the present embodiment. On the surface of the ruler body 1, end support portions 2 and 2 and reinforcing protrusions 3 and 3, which will be described later, are integrally formed as a whole and in a frame shape.
[0015]
In the figure, reference numeral 4 denotes a plate-like spring member having a central portion bulged upward and warped in a substantially arcuate shape. This plate-like spring member 4 is also made of plastic and has a thin end. The central part is molded in a thick state. The width of the plate-like spring member 4 is substantially matched with the size between the reinforcing protrusions 3 and 3.
[0016]
In the present embodiment, shaft pins 5 and 5 are penetrated and held near both ends of the plate-like spring member 4, and both ends of the shaft pins 5 and 5 are protruded from the plate-like spring member 4. ing.
[0017]
On the other hand, the inner surfaces of the reinforcing protrusions 3 and 3 are formed with fitting holes 6, 6... For fitting both ends of the shaft pins 5, 5. It is desirable that the oval shape is larger than the diameter of the pin 5 and long in the vertical direction. Further, the positions of the fitting holes 6, 6... Are higher than the elastic center line X in the overlapping state of the ruler body 1 and the plate-like spring member 4.
[0018]
Further, a point mark 7 is attached to the center of the plate-like spring member 4 as a mark for confirming the position at the time of pressing.
[0019]
Further, rectangular window holes 8, 8 are formed near the both ends of the ruler main body 1, extending to the lower surfaces of the end support portions 2, 2, and the window holes 8 straddle the window holes 8, 8. A movable plate 9 having protrusions 9a to be fitted in is provided with four springs provided by coil springs 10, 10.
[0020]
Mounting holes 9b, 9b... Are provided on the lower surface of the protrusion 9a of the movable plate 9 at the four corners and the central five locations. The mounting holes 9b, 9b. The rubber pieces 11 are mounted by snap-in engagement of the fitted pins 11a, 11a. Due to such a configuration, the rubber piece 11 can be replaced when worn. Reference numeral 9c denotes a missing portion for inserting and twisting the tip of a minus driver when the rubber piece 11 is removed. In the initial state, the lower surface of the end of the plate-like spring member 4 is in contact with the upper surface of the movable plate 9, and the rubber piece 11 is positioned in the window hole 8.
[0021]
Further, the plate-like spring member 4 can be mounted, for example, as shown in FIG. 3, with the rounded surface of the end of the plate-like spring member 4 engaged with the arc-shaped recess 2 a formed on the inner surface of the end support portion 2. Alternatively, the inner surface of the end support 2 is tapered, the end of the plate-like spring member 4 is removed, and the window hole 8 is framed at a position recessed from the bottom surface of the ruler body 1. Further, it is also possible to provide a structure in which a rubber piece is directly provided, and the rubber piece is directly pushed and protruded from the lower surfaces of both ends of the plate-like spring member 4.
[0022]
On the other hand, reference numeral 12 denotes a cutter guide. The cutter guide 12 is set on a groove-shaped mounting portion formed on the lower surface of one edge along the longitudinal direction of the ruler body 1. The cutter guide 12 has mounting flanges 12a, 12b, and 12c standing upright on its upper surface. The attachment flanges 12a and 12c are formed with horizontally long attachment holes 12d, and a common attachment hole is formed at the center 12b. Although 12b is normally fixed by the screw 13, in order to allow the movement at 12a and 12c, it is attached with the space 13 provided with the screw 13 slightly lifted.
[0023]
The above is the basic configuration of the present invention. Here, the operation will be described. First, when the ruler main body 1 is placed on a target paper surface or the like and the center portion of the plate-like spring material 4 is pushed according to the point mark 7, the plate-like spring material 4. The elasticity of itself is transmitted to both ends, and the shaft pin 5 is lowered along the fitting holes 6, 6. Along with this lowering, both ends of the plate-like spring material 4 press the top surface of the movable plate 9, the coil springs 10, 10... Are compressed, and the protrusion 9 a of the movable plate 9 descends in the window hole 8. The rubber piece 11 is protruded into the window hole 8.
[0024]
Both ends of the ruler main body 1 are first positioned by the protrusion of the rubber piece 11, and when the plate-like spring material 4 is pressed and brought into contact with the ruler main body 1, the position of the shaft pin 5 becomes the ruler main body 1 and the reinforcing body. Since the protrusion 3 and the plate-like spring material 4 are positioned above the elastic center line X, the shaft pins 5 and 5 have a force that travels outward from the end of the single-layer plate-like spring material 4. As a result, the both ends of the ruler main body 1 are deformed so as to be warped, and the center lower surface of the ruler main body 1 is strongly pressed and positioned on the paper surface or the like. (See FIG. 9 and FIG. 10, T indicates a table)
[0025]
When the work is performed, the plate-like spring material 4 is housed between the reinforcing protrusions 3 and 3 so that the drawing or the like can be performed stably. Moreover, when changing the position of the ruler body 1, the mechanism is restored to the initial state by releasing the pressure on the plate-like spring material 4, and a smooth transition can be performed.
[0026]
The cutter guide 12 is also attached to the side-side attachment flanges 12a and 12c with the attachment hole 12d being horizontally long and the space 13 being provided with the screw 13 in a floating state, so that it follows the deformation of the ruler body 1. Is possible.
[0027]
Furthermore, when the ruler body 1 is long, a frame in which a shorter plate-like spring material 14 is fitted can be provided as shown in FIG. In addition, the above-described mechanism of the movable plate 9 can also be attached to the center of the lower surface of the ruler body 1.
[0028]
In addition to the basic configuration described above, the following application modifications can be made. FIG. 14 shows the coil spring 10 in the movable plate 9 having a single configuration.
[0029]
In FIG. 15, a short plate-like spring material 4 is arranged at the center of the ruler main body 1, and the wire 15 is operated in accordance with the pressing deformation of the plate-like spring material 4 so as to project the rubber piece. In this case, not only the end portion but also a continuous rubber piece can be projected on the lower surface of the ruler body 1. That is, the wire 15 is arranged on the rollers 16, 16, etc. and holds the tension, and the wire pulls or presses the support portions 16 at both ends by the pressing of the plate-like spring material 4, and the force The protrusion of the rubber piece 11 is intended.
[0030]
Further, the rubber piece 11 can be moved in and out by interposing an arc-shaped link bar 17 as shown in FIG. 16 and moving the link bar.
[0031]
In the case shown in FIG. 17, the wire 15 is also interposed. In this case, an overall reinforcing portion is formed on the upper surface of the ruler body 1 in the longitudinal direction, and a window hole is formed in the central portion of the reinforcing portion. The spring material 4 is fitted into the window hole as an operating portion. The lateral groove holes 18 are provided on both sides of the lower edge of the spring material 4, and one end of the work bars 19, 19 is provided in the lateral groove holes 18, 18. Engagement pins 19a, 19a provided on the front are engaged.
[0032]
The tips of the work bars 19, 19 are bent at an obtuse angle, and the ends of the wires 15 are connected to the tips, and the wires 15 are connected via the support portions 20, 20 at both ends of the ruler body. In this case, 19a slides in the lateral groove 18 by the pressing of the spring material 4, and closes to each other. However, the front end of the work bar 19 is turned up with 19a as a fulcrum and pulls the support portion 20. With this tensile force as a load, the rubber piece is projected.
[0033]
FIG. 19 is a further application of the example shown in FIG. 17, and one end of a link bar 21, 21 that is substantially S-shaped is pivoted on both sides of the lower edge of the spring material 4. The ends of the wires 15 and 15 are connected to the ends, and the other ends of the wires 15 and 15 are connected to the support portions 22 and 22. That is, when the spring material 4 is pressed and lowered, the link bars 21 and 21 rotate about the pivot point, lift the connected wires 15 and 15, and apply a tensile force to the support portions 22 and 22. The rubber piece is projected with the load.
[0034]
The protrusion of the rubber piece 11 using the wire 15 can be performed by rotating a roller 23 that contacts the rubber piece 11 as shown in FIGS. 20 and 21, for example, but this roller 23 is in an eccentric state. Thus, the pressing protrusion of the rubber piece 11 can be made more effective.
[0035]
In the present invention, a rubber balloon can also be used as an anti-slip member. In this case, a protrusion 4 a for pressing operation is integrally formed on the lower surface of the plate-like spring material 4 and is in contact with a part of the compression ball 24. Tubes 25, 25 are connected to both ends of the compression ball 24, and balloons 26, 26 having a thick bottom are formed directly or at the top of the tubes 25, 25 from above or from the side through a joint 25a. Are connected. And this balloon 26 is accommodated in the boxes 27 and 27 in order to suppress the expansion | swelling to a horizontal direction. The compressed ball 24 is relatively large when sending gas such as air, and is small when sending liquid such as water. In the figure, reference numeral 28 denotes a partition that regulates the escape of the compressed ball 24.
[0036]
In this case, as shown in FIG. 24, the plate-like spring material 4 and the end support portion 2 are connected to each other by forming the end portion of the spring material 4 in a round shape and forming a receiving portion corresponding thereto in the end support portion 2. As shown in FIG. 26, a pin pole 29 provided with a restraining portion 29a at its head as an end support portion is erected, and an engagement notch 30 formed at the tip of the spring material 4 is engaged with the pin pole 29. May be.
[0037]
Further, a hole may be formed at the end of the spring material 4 and joined through the hole by the pin pole 29. In the case of an engagement configuration, the end of the spring material 4 is linear and the two pin poles 29 are formed. , 29 may be engaged.
[0038]
And when fixing the edge part of the spring material 4 as mentioned above, from the thickness relationship between the ruler main body 1 and the spring material 4, if the spring material 4 is thicker, the elasticity will be better, and it will be established. It is also possible to use two spring materials that are in a warped state as shown in FIG.
[0039]
Furthermore, as an application example in the case where the above-described link bars 21 and 21 are used, it can be configured as shown in FIGS. In this example, horizontal holes 31, 31 are provided at both ends of the lower edge of the spring member 4 (operator), and one end of the link bar 21, 21 is pivotally supported. The other end of the link bar 21, 21 has a tension roller 32, 32 is attached. The tension roller 32 and the wire 15 are in contact with each other, and the link bar 21 rotates as the spring material 4 is pressed down, and the wire 15 is lifted by the tension roller 32. Further, the link bar 21 has a two-plate structure, and a tension roller 32 and a guide roller 33 are sandwiched therebetween, and the guide roller 33 presses the wire 15 from the top to the bottom as the link bar 21 rotates. Yes.
[0040]
FIG. 32 shows an application of the above-described example using a balloon, in which a compressor 34 is used instead of the compression ball 24, and a hemispherical press button 35 that matches the top surface of the compressor 34 on the lower surface of the spring material 4. Is supposed to be formed.
[0041]
Next, FIG. 33, FIG. 34, FIG. 36, FIG. 37, and FIG. 38 are examples in which the present invention is applied to a triangle ruler, and the installation position of the spring material 4 is selected according to the side used by the triangle ruler 36. be able to. 36 and FIG. 38, when it is desired to strongly position the whole, the spring material 37 can be formed into a cross shape or deformed into a radial shape with a pitch of 120 degrees shown as 38, or the like. Of course, such an application can be applied to a deformation ruler such as a cloud ruler, and the spring material can also be a circular dome shape, and the anti-slip material can be projected along the shape.
[0042]
Further, FIG. 39 and FIG. 40 use a rod-shaped spring material 39 as a spring material. In this case, a spherical fitting body 40 is provided at the end of the rod-shaped spring material 39, and the fitting body 40 is It is engaged with a spherical recess 41 formed on the inner surface of the end support portion 2, and is a kind of ball joint structure. Further, the rod-shaped spring material 39 is guided by a trough 43 formed along the longitudinal direction on a receiving body 42 provided on the surface of the ruler main body 1.
[0043]
Next, as shown in FIG. 41 to FIG. 43, an example of further application is shown. In this embodiment, the plate-like spring member 4 is arranged on the central short plate 44 and on the left and right sides of the short plate 44. And long plates 45, 45. The short plate 44 and the long plates 45 and 45 are connected to each other in a comb-tooth shape, and the pins 46 and 46 are inserted.
[0044]
In addition, the long plates 46, 46 are rounded at the tip and are brought into rolling contact with the operating portion of the anti-slip member to move the plate up and down. Grooves 47 and 47 for guiding the ends of the pins 46 and 46 are formed on the inner surfaces of the protrusions 3 and 3.
[0045]
Further, instead of or in addition to the above-mentioned grooves 47, 47, projecting pieces 44a, 44a are formed on the side surface of the short plate 44, and concave grooves 48, 48 for guiding the projecting pieces 44a, 44a are formed on the inner surfaces of the reinforcing protrusions 3, 3. Alternatively, the protrusions 44 a may be formed on the inner surfaces of the reinforcing protrusions 3 and 3, and the guide concave grooves 48 and 48 may be formed on the side surfaces of the short plate 44.
[0046]
Further, reference numeral 49 in the figure is a stopper for preventing the short plate 44 from returning to the initial state beyond the dead point lowered by the pressing, and this stopper 49 is formed in a thin plate-like step shape in this embodiment. Although formed, a protrusion or the like is also possible.
[0047]
【The invention's effect】
The ruler according to the present invention is configured and operates as described above. For this reason, it is firmly positioned during use, and the transition of the position can be performed smoothly. In addition, the cutter guide can be used easily without damaging the ruler body. ing.
[Brief description of the drawings]
FIG. 1 is an overall perspective view of a ruler embodying the present invention.
FIG. 2 is an end schematic cross-sectional view.
FIG. 3 is an end schematic cross-sectional view showing another example.
FIG. 4 is a cross-sectional view of an end portion assembled with a mechanism.
FIG. 5 is a cross-sectional view from another direction.
FIG. 6 is an end cross-sectional view in use.
FIG. 7 is an overall plan view.
FIG. 8 is a side view.
FIG. 9 is a side view at the time of change.
FIG. 10 is a cross-sectional view when used on a desktop.
FIG. 11 is an exploded perspective view showing a rubber piece mounting structure.
FIG. 12 is a side view showing another example.
FIG. 13 is a partial perspective view showing a cutter guide mounting structure.
FIG. 14 is an end schematic diagram showing another example.
FIG. 15 is a schematic view when a wire is interposed.
FIG. 16 is a schematic view of an end portion.
FIG. 17 is a schematic view showing another example in which a wire is interposed.
FIG. 18 is a diagram showing a combined operation state.
FIG. 19 is a schematic view showing an example in which a cam and a wire are interposed.
FIG. 20 is a schematic view of the end portion before use.
FIG. 21 is a schematic view in use.
FIG. 22 is a schematic side view showing an example in which a balloon is interposed.
FIG. 23 is a plan view.
FIG. 24 is a main part perspective view showing an example of a spring member support structure;
FIG. 25 is a side view showing an example in which plate spring members are superposed.
FIG. 26 is a main part perspective view showing an example of a support structure of a spring member.
FIG. 27 is a perspective view of main parts.
FIG. 28 is a plan view of relevant parts.
FIG. 29 is a schematic view of an example in which a wire and a link are interposed.
FIG. 30 is a plan view of relevant parts.
FIG. 31 is a side view of the main part.
FIG. 32 is a partial perspective view showing a compressor mechanism for sending air.
FIG. 33 is a plan view showing an application example to a triangle ruler.
FIG. 34 is a plan view showing another example.
FIG. 35 is an enlarged view of a cutter guide attachment portion.
FIG. 36 is a diagram showing an application example to a triangle ruler.
FIG. 37 is a plan view showing another example.
FIG. 38 is a plan view showing another example.
FIG. 39 is a schematic side view of an example in which a bar is used as a spring member.
40 is an end view taken along line AA in FIG. 39. FIG.
FIG. 41 is a side view showing a mechanism of another example.
FIG. 42 is a plan view.
FIG. 43 is a plan view of relevant parts showing a modification.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Ruler body 2 End support part 3 Reinforcing protrusion 4 Plate-like spring member 5 Shaft pin 6 Fitting hole 7 Point mark 8 Window hole 9 Movable plate 10 Coil spring 11 Rubber piece 12 Cutter guide 13 Screw 14 Short spring Material 15 Wire 16 Roller 17 Link bar 18 Horizontal groove hole 19 Work bar 20 Support part 21 Link bar 22 Support part 23 Roller 24 Compression ball 25 Tube 26 Balloon 27 Box 28 Partition 29 Pin pole 30 Notch 31 Horizontal long hole 32 Tension roller 33 Guide roller 34 Compressor 35 Pressing button 36 Triangular ruler 37 Cross-shaped spring material 38 Radial spring material 39 Rod-shaped spring material 40 Fitting body 41 Spherical recess 42 Receptacle 43 Valley 44 Short plate 44a Projection piece 45 Long plate 46 Pin 47 Groove 48 Groove 48 49 Stopper

Claims (3)

In the ruler that is configured such that a spring member having a central portion bent upward on the surface of the ruler body and an anti-slip member protrudes on the lower surface of the ruler body in conjunction with the pressing of the spring member. A ruler characterized in that the anti-slip member is a balloon that expands when the spring member is pressed. A spring member with the center portion bent upward on the surface of the ruler body is arranged so that an anti-slip member protrudes from the lower surface of the ruler body in conjunction with the pressing of the spring member. The reinforcing protrusions 3 and 3 formed in parallel on the surface of the spring and end portions 2 and 2 of the spring member which are integrally connected to both ends of the reinforcing protrusion to form a frame. In the ruler in which the width of the spring member substantially coincides with the size between the reinforcing protrusions, the shaft pin is penetrated and held near both ends of the spring member, and both ends of the shaft pin are spring members. The both ends of the shaft pin are fitted into fitting holes formed on the inner surface of the reinforcing protrusion, and the fitting hole is an oblong shape that is larger than the diameter of the shaft pin and is long in the vertical direction. Near the both ends of the main body, a window hole is formed on the lower surface of the end support portions 2 and 2 and the spring portion. When both ends of the spring member are lowered by the pressure of the spring member, the projecting portion of the movable plate provided with the anti-slip member on the bottom surface protrudes from the window hole against the elastic force biased upward by the both ends of the spring member. A ruler that is characterized by its composition. The anti-slip member described above is a rubber piece, and a fitting pin protrudes from the upper surface of the rubber piece, and this fitting pin is snap-engaged into a mounting hole provided on the lower surface of the protruding portion of the movable plate. The ruler according to claim 2, wherein the ruler can be freely attached and detached.

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