具体实施方式：
[0100]Preferred embodiments for carrying out the present embodiment are described in detail with reference to the attached drawings. However, the scope of the invention is not limited to the embodiments and the illustrated examples.
First Embodiment
[0101]First, the first embodiment of a nail print apparatus of the present invention is described with reference to FIG. 1 to FIG. 29.
[0102]FIG. 1 is a perspective view showing an outside appearance of a nail print apparatus of the present embodiment and FIG. 2 is a perspective view showing an inner configuration of the nail print apparatus.
[0103]The nail print apparatus 1 of the present embodiment is an apparatus which can generate a nail chip 70 (see FIG. 25, etc.) which can be attached to a nail section of a finger. As shown in FIG. 1, the nail print apparatus 1 includes, for example, a case main body 2, a cover 4, a print apparatus main body 10 including, for example, a first finger inserting section 20a which is a finger inserting section in which a finger (target finger U1) corresponding to a nail which is a target of collection of information necessary to generate the nail chip 70 is inserted, a finger holding member 6 configured so as to be able to be inserted in and removed from the first finger inserting section 20a, and the like.
[0104]A case main body 2 and a cover 4 are connected to each other through a hinge 3 provided in a rear edge section of the upper surface of the case main body 2.
[0105]The case main body 2 is formed in an oval shape from a planar view. An opening/closing plate 2c is provided so as to be able to fold up and down on a front side of the case main body 2. The opening/closing plate 2c is connected to the case main body 2 through a hinge (not shown) provided in a lower edge section of the front face of the case main body 2. The opening/closing plate 2c is for opening and closing the front face of the case main body 2. The nail print apparatus 1 is used with the front face of the case main body 2 in an open state. A later described operation section 25 is provided on a top panel 2f of the case main body 2. A display section 26 is provided on an inner face of the cover 4.
[0106]As shown in FIG. 2, the print apparatus main body 10 of the nail print apparatus 1 is stored in the case main body 2. The print apparatus main body 10 includes, a print finger fixing section 20 composing a print finger fixing section, a photographing section 30 composing a photographing section, a printing section 40 composing a printing section, a controlling device 50 composing a controlling section (see FIG. 5), an operation section 25 and a display section 26. Among the above, the print finger fixing section 20, the photographing section 30, the printing section 40 and the controlling device 50 are provided in a device casing 11.
[0107]The device casing 11 is composed of a lower device casing 11a and an upper device casing 11b. The lower device casing 11a is formed in a box shape and is provided at the bottom of the inside of the case main body 2. The upper device casing 11b is provided above the lower device casing 11a and at the top of the inside of the case main body 2.
[0108]The print finger fixing section 20 is provided in the lower device casing 11a of the device casing 11. The print finger fixing section 20 is composed of the first finger inserting section 20a, a second finger inserting section 20b and a grabbing section 20c provided in the lower device casing 11a.
[0109]The first finger inserting section 20a is a finger inserting section to insert a finger (hereinafter referred to as “target finger U1”, see FIG. 17, etc.) corresponding to a nail T which is to be a target of collection of information necessary to generate the nail chip 70 (see FIG. 25) attached to the nail section of the finger. In the present embodiment, the target finger U1 is inserted in the first finger inserting section 20a in a state held by a later described finger holding member 6. Below, regarding nail T, the thumb nail is to be T1, the index finger nail is to be T2, the middle finger nail is to be T3, the ring finger nail is to be T4, and the little finger nail is to be T5 (see FIG. 26, etc.). However, when simply referred to as “nail T”, this collectively refers to the above nail T. Regarding the target finger U1, the thumb is to be U1-1, the index finger is to be U1-2, the middle finger is to be U1-3, the ring finger is to be U1-4, and the little finger is to be U1-5 (see FIG. 26, etc.) However, when simply referred to as “target finger U1”, this collectively refers to the above target finger U1.
[0110]The second finger inserting section 20b is a finger inserting section for inserting a non-target finger U2 other than the target finger U1.
[0111]The grabbing section 20c is a portion which can be pinched with the target finger U1 inserted in the first finger inserting section 20a and the non-target finger U2 inserted in the second finger inserting section 20b (see FIG. 17 to FIG. 18). The grabbing section 20c is composed of a partition wall 21 dividing the first finger inserting section 20a and the second finger inserting section 20b.
[0112]The second finger inserting section 20b and the grabbing section 20c do not have to be provided. However, by providing the above, the finger holding member 6 inserted in the first finger inserting section 20a and the target finger U1 held by the finger holding member 6 become stable, and the above sections are very effective for fixing the target finger U1.
[0113]The upper surface of the partition wall 21 composes a flat finger holding member placing face. The finger holding member placing face is for placing the finger holding member 6 inserted in the first finger inserting section 20a. When the second finger inserting section 20b and the grabbing section 20c are not provided, the finger holding member placing face is composed of a floor face of the first finger inserting section 20a.
[0114]A bulging section 22 is formed at an edge section on the finger holding member inserting side of the partition wall 21 (see FIG. 17 to FIG. 18). The bulging section 22 is formed in a portion where the base of target finger U1 and the non-target finger U2 touch when the finger holding member 6 is deeply inserted in the first finger inserting section 20a and the non-target finger U2 is deeply inserted in the second finger inserting section 20b. The bulging section 22 is wrapped by the base of the target finger U1 and the non-target U2 when the partition wall 21 (grabbing section 20c) is pinched by the target finger U1 and non-target finger U2. Here, “wrap” means the base of the target finger U1 and the non-target finger U2 is in contact with the bulging section 22 and can grab the bulging section 22. By wrapping the bulging section 22, the wrist swinging right and left and the wrist swinging up and down can be suppressed and the hand can be stabilized.
[0115]As shown in FIG. 17 to FIG. 18, when the bulging section 22 is seen from a cross section along an inserting direction of the finger holding member 6 (a side view), the bulging section 22 is a circle bulging downward from the bottom face of the partition wall 21. The shape of the bulging section 22 is not limited to a circle cross section and can be a non-circle shape such as an oval cross section, a polygon shape cross section, etc. In short, the shape can be any shape which can be wrapped by the base of the target finger U1 and the non-target finger U2.
[0116]The size of the bulging section 22, in other words, the thickness of the thickness direction of the partition wall 21 is preferably about 1 to 2 cm so that the base of the target finger U1 and the non-target finger U2 are in enough contact with the bulging section 22, the thickness of the partition wall 21 is preferably about 0.5 to 1 cm smaller than the thickness of the bulging section 22 so that the ball of the finger is securely pressured to the partition wall 21.
[0117]Next, the photographing section 30 is described. As shown from FIG. 2 to FIG. 4, the photographing section 30 is provided in the upper device casing 11b of the device casing 11.
[0118]In other words, a camera 32 including a pixel of about two million pixels or more and a driver is provided on the bottom face of a center section of a substrate 31 provided in the upper device casing 11b. An illuminating lamp 33 of a white color LED, etc. is provided so as to surround the camera 32 on the substrate 31.
[0119]The photographing section 30 is composed including the camera 32 and the illuminating lamp 33. The photographing section 30 is a photographing section which illuminates the target finger U1 with the illuminating lamp 33 and photographs the target finger U1 with the camera 32 to photograph a finger image including a nail image of a nail section of a finger which is information necessary for generating the nail chip 70 and to import the image data. The photographing section 30 is connected to a later described controlling section 51 of the controlling device 50 and is controlled by the controlling section 51.
[0120]The printing section 40 is a printing section for printing on a nail chip sheet 7 (see FIG. 9B) for generating a nail chip 70 based on the nail image photographed by the photographing section 30 and as shown from FIG. 2 to FIG. 4, the printing section 40 is provided in the device casing 11 (mainly the upper device casing 11b).
[0121]In other words, two guide rods 41 are provided parallel on both side plates of the upper device casing 11b. A main carriage 42 is provided on the guide rod 41 so as to be able to slide. Two guide rods 44 are provided parallel on the front wall 42a and the rear wall 42b of the main carriage 42. A sub-carriage 45 is provided on the guide rod 44 so as to be able to slide. A print head 46 is mounted to a center section of the bottom face of the sub-carriage 45.
[0122]In the present embodiment, the print head 46 is a print head of an ink jet method which performs printing by making fine drops with ink and spraying the ink directly on the medium to be printed. The recording method of the print head 46 is not limited to the ink jet method and other various types of print methods such as heat sensitive printing method can be employed.
[0123]The main carriage 42 is connected to a motor 43 through a power transmitting section (not shown) and the main carriage 42 moves in the left and right direction along the guide rod 41 by a positive rotation and a negative rotation of the motor 43. The sub-carriage 45 is connected to a motor 47 through a power transmitting section (not shown) and the sub-carriage 45 moves in the front and back direction along the guide rod 44 by a positive rotation and a negative rotation of the motor 47. With the movement of the main carriage 42 and the sub-carriage 45 and the ejection of ink from the print head 46, printing on the nail chip sheet 7 placed on a sheet positioning section 65 (see FIG. 9A, etc.) of the finger holding member 6 is possible.
[0124]An ink cartridge 48 to supply ink to the print head 46 is provided in the lower device casing 11a. The ink cartridge 48 is connected to a print head 46 through an ink supplying pipe which is not shown and ink is suitably supplied to the print head 46. A configuration where the ink cartridge is mounted to the print head 46 itself is possible.
[0125]The printing section 40 includes the above guide rod 41, the main carriage 42, the motor 43, the guide rod 44, the sub-carriage 45, the print head 46, the motor 47, the ink cartridge 48, etc. The motor 43, the print head 46 and the motor 47 of the printing section 40 are connected to the later described controlling section 51 of the controlling device 50 and controlled by the controlling section 51.
[0126]The operation section 25 is an input section for the user to perform various input operations. The operation section 25 is provided on the top panel 2f of the case main body 2. The operation section 25 of the present embodiment is provided with a power source key 25a, a camera key 25b, a printing key 25c, a stop key 25d, a character input key 25e, a selection key 25f, a cursor key 25g, an enter key 25h, etc.
[0127]Here, the character input key 25e, the selection key 25f and the cursor key 25g are keys used for selecting the design to be printed, etc. The enter key 25h is a key used for confirming the deign selected by the character input key 25e, selection key 25f and the cursor key 25g. The power source key 25a is a key for turning the power source of the nail print apparatus 1 ON and OFF. The camera key 25b is a key which is to be a trigger to start photographing by the photographing section 30. The printing key 25c is a key which is to be a trigger to start the printing processing. The stop key 25d is a key used to stop the printing processing.
[0128]In the present embodiment, the design specifying section to specify the design image to be printed is composed of the operation section 25 and the later described design setting section 511.
[0129]The display section 26 is composed of, for example a liquid crystal panel (LCD: liquid crystal display) and is a display section for performing various display when the printing processing is performed, etc. The display section 26 is not limited to a liquid crystal panel.
[0130]A touch panel may be composed as one with the surface of the display section 26. In this case, various input can be performed by touching the surface of the display section 26 with a stylus pen (not shown), fingertip, etc. and the display section 26 includes the functions similar to the operation section 25.
[0131]In the present embodiment, the display section 26 displays, for example, a design mode selection screen (see FIG. 13) which prompts to a user selection of a design mode, a design selection screen (see FIG. 14) which prompts to a user selection of design when an arbitrary design mode is selected, a design confirmation screen which displays a design combined image in which the selected design is overlapped on the user's finger and which prompts confirmation to the user, and other various instructions screens (FIG. 15, FIG. 16, FIG. 19 to FIG. 21).
[0132]As shown in FIG. 13, the design mode selection screen of the present embodiment displays an arbitrary design mode key P1 for selecting an arbitrary design mode in which the user can select a design arbitrarily and a fixed design mode key P2 for selecting a fixed design mode in which a previously set fixed design is assigned to each finger. The user selects either one of the arbitrary design mode key P1 or the fixed design mode key P2 and the arbitrary design mode or the fixed design mode can be selected. When the arbitrary design mode is selected, the user can select a desired design for each finger from the previously prepared plurality of designs.
[0133]The controlling device 50 is provided in the upper device casing 11b. The controlling device 50 is provided on the substrate 31 and as shown in FIG. 5, the controlling device 50 is a computer including a controlling section 51 composed of a CPU (Central Processing Unit), etc. which is not shown, a ROM (Read Only Memory) 52 and a RAM (Random Access Memory) 53 as a storage section, and the like. The storage section is not limited to a ROM 52 and a RAM 53 in the controlling device 50, and other storage sections can be provided.
[0134]The controlling section 51 functionally includes, a design setting section 511, a finger type detecting section 512, a nail outline extracting section 513, a combined nail image generating section 514, a print controlling section 515, a display controlling section 516 and the like. The functions as the design setting section 511, the finger type detecting section 512, the nail outline extracting section 513, the combined nail image generating section 514, the print controlling section 515, the display controlling section 516, etc. are realized in conjunction with programs stored in the CPU and the ROM 52.
[0135]The design setting section 511 assigns and sets a design which is composed of one of a character, picture, etc. (including nail image) or a combination of the above (hereinafter referred to as simply “design”) to be printed on the nail chip 70 for each finger. The design setting section 511 composes a design setting section for specifying a design image to be printed together with the above described operation section 25, etc.
[0136]The design setting section 511 also functions as a second storage controlling section which stores the design image set by the design specifying section in the storage section such as the RAM 53, etc.
[0137]The finger type detecting section 512 is a finger type detecting section which detects a type of each finger from a finger image of a plurality of fingers photographed by the photographing section 30. The finger type detecting section 512 detects the finger type of each finger image based on the position, length, width, etc. of the finger image. The detecting method of the finger type is not limited to the example illustrated here.
[0138]The finger type detecting section 512 also functions as a first storage controlling section which stores in the storage section such as the RAM 53, etc. the finger type detected based on the finger image corresponded with the nail image of the nail section photographed by the photographing section 30 for each nail.
[0139]The nail outline extracting section 513 is a nail outline extracting section which extracts an outline of the nail section from the nail image of the nail section included in the finger image photographed by the photographing section 30. The nail outline extracting section 513 is not a necessary component of the present invention, and a configuration in which the nail outline extracting section 513 is not provided and a processing is performed without extracting the outline of the nail section can be composed.
[0140]The combined nail image generating section 514 is a combined nail image generating section which combines the design image stored in the storage section such as the RAM 53, etc. by the control of the design setting section 511 as the second storage controlling section with the nail image for each type of finger stored in the storage section such as the RAM 53, etc. by the control of the finger type detecting section 512 as the first storage controlling section to generate a combined nail image. In the present embodiment, the nail outline extracting section 513 extracts the outline of the nail section from the nail image and the combined nail image generating section 514 combines the outline of the nail section extracted by the nail outline extracting section 513 with the design image to generate the combined nail image.
[0141]The print controlling section 515 is a print controlling section which generates print data by positioning the combined nail image for each finger generated by the combined nail image generating section 514 so that there is a certain degree of space between the combined nail image of each finger when printed on the nail chip sheet 7, outputs the print data to the printing section 40 and controls the print operation of the printing section 40.
[0142]In the present embodiment, the print controlling section 515 adjusts the position of the combined nail image of each finger so that five fingers from the thumb to the little finger of one hand can be printed on one nail chip sheet 7 and generates the print data (see FIG. 24).
[0143]The number of fingers of the combined nail images positioned on one nail chip sheet can be set in advance or can be set arbitrarily by the user according to the status of use. For example, the print data can be generated so that only the combined nail images of four fingers excluding the thumb are positioned on one nail chip sheet 7 or the print data can be generated so that the combined nail images of ten fingers are provided on one nail chip sheet after the combined nail images are generated for all ten fingers of both hands.
[0144]The display controlling section 516 is a display controlling section which displays various display on the display section 26 as the display section. In the present embodiment, the display controlling section 516 displays on the display section 26 the design mode selection screen, the design selection screen, the design confirmation screen, various instruction screens, and the like as described above.
[0145]The ROM 52 as a storage section which stores various programs such as a finger type detecting program for detecting type of each finger from the finger image, a nail outline extracting program for extracting the outline of the nail section, a combined nail image generating program for combining a design image with a nail image (in the present embodiment, an image of a line showing an outline of the nail section) to generate the combined nail image, a print data generating program for generating print data, a printing processing program for performing printing processing, etc. The above programs are executed by the controlling device 50 to centrally control each section of the nail print apparatus 1.
[0146]In the present embodiment, the ROM 52 stores data corresponding to the design image printable on the nail chip 70 attached to the nail section. FIG. 6 is a diagram conceptually showing an example of a storage area 521 of the ROM 52.
[0147]For example, as shown in FIG. 6, the storage area 521 of the ROM 52 includes, a finger type area 521A, a finger number area 521B, a character area 521C printable on each finger, and picture, etc. area 521D and data of finger type, finger number, character and picture etc. are stored in each area respectively. The data of the finger type and the finger number correspond to each other one piece to one piece. Here, for the right hand, the thumb is set to finger number 1, the index finger is set to finger number 2, the middle finger is set to finger number 3, the ring finger is set to finger number 4, and the little finger is set to finger number 5. Although not illustrated here, for the left hand, for example, the thumb is set to finger number 6, the index finger is set to finger number 7, the middle finger is set to finger number 8, the ring finger is set to finger number 9 and the little finger is set to finger number 10.
[0148]An upper field 521a shown in FIG. 6 shows data of an arbitrary design for each finger. In the present embodiment, in the nail print apparatus 1, the arbitrary design mode and the fixed design mode can be selected as a design mode (see FIG. 13), and the data of arbitrary design for each finger is data of an arbitrary design image selectable when the arbitrary design mode is selected as the design mode by the user. As data of arbitrary design for each finger, here, data of various characters and pictures are prepared for each finger. Specifically, as data of various characters, data of Japanese Hiragana-type characters, Japanese Katakana-type characters, Chinese characters, symbols are prepared, and as data of various pictures, data of nail images of D1 to Dn corresponding to various pictures, etc. is prepared.
[0149]The lower field 521b of the same diagram shows data of a fixed design for each finger. The data of a fixed design for each finger is data of a design image assigned to each finger when the fixed design mode is selected as the design mode by the user. As the fixed design for each finger, here, data of pictures, etc. of D1 to D4 are prepared. Specifically, data of D1 (heart) for the thumb of the finger number 1, data of D2 (face) for the index finger of the finger number 2, data of D3 (sun) for the middle finger of the finger number 3, data of D4 (moon) for the ring finger of the finger number 4 and data of D1 (heart) for the little finger of the finger number 5 are prepared in a state corresponded in advance.
[0150]The selection of design mode is not a necessary component of the present invention, and for example, a configuration of including either one of the arbitrary design mode or fixed design mode is possible. In this case, the data necessary for each configuration is prepared in the storage area 521 of the ROM 52.
[0151]Moreover, the RAM 53 which is a storage section of the present embodiment includes a storage area 531 which stores various data, etc. and a work area (not shown) to expand a program, etc. when various processing is performed by the controlling section 51. The storage area 532 of RAM 53 stores, for example, finger type data detected by the finger type detecting section 512 regarding the plurality of fingers from which the finger image is obtained by the photographing section 30 corresponded with the nail image of the nail section of each finger. The RAM 53 stores data of the design image specified by the design specifying section as to be printed on the nail chip 70 attached to each finger corresponded with information, etc. of finger type.
[0152]FIG. 7 is a diagram conceptually showing an example of a storage area 531 of the RAM 53. As shown in FIG. 7, the design data to be printed is selected from the printable design data previously stored in the storage area 521 of the ROM 52 and stored in the storage area 531 of the RAM 53 based on information input from the operation section 25.
[0153]As shown in FIG. 7, the storage area 531 of the RAM 53 stores finger type, finger number, character, picture etc., nail area image, combined nail image and coordinates corresponded to each other. First field 531a, second field 531b, third field 531c and fourth field 531d of the storage area 531 of the RAM 53 include design information selected in the past.
[0154]For example, the first field 531a and the second field 531b shown in FIG. 7 are described below.
[0155]The first field 531a shown in FIG. 7 shows an example in which data of “do” is stored for the thumb of the finger number 1 (in FIG. 24-FIG. 25, data of design image D1), data of “re” is stored for the index finger of the finger number 2 (in FIG. 24-FIG. 25, data of design image D2), data of “mi” is stored for the middle finger of the finger number 3 (in FIG. 24-FIG. 25, data of design image D3), data of “fa” is stored for the ring finger of the finger number 4 (in FIG. 24-FIG. 25, data of design image D4), and data of “so” is stored for the little finger of the finger number 5 (in FIG. 24-FIG. 25, data of design image D5).
[0156]The second field 531b shown in FIG. 7 shows an example in which data of D1 (heart) is stored for the thumb of the finger number 1, data of D2 (face) is stored for the index finger of the finger number 2, data of D3 (sun) is stored for the middle finger of the finger number 3, data of D4 (moon) is stored for the ring finger of the finger number 4 and data of D1 (heart) is stored for the little finger of the finger number 5.
[0157]The storage area 531 of the RAM 53 can store not only design data selected from design data stored in the storage area 531 of the ROM 53, but also new design data added later by the user.
[0158]Next, the finger holding member 6 of the present embodiment is described with reference to FIG. 1 and FIG. 8A to FIG. 8D.
[0159]As shown in FIG. 1, in the present embodiment, the finger holding member 6a for four fingers which holds the four fingers from the index finger to the little finger (U1-2 to U1-5) as target finger U1 and finger holding member 6b for thumb which holds the thumb (U1-1) as the target finger U1 can be selectively inserted in the first finger inserting section 20a. Hereinafter, when simply finger holding member 6 is referred, this includes the finger holding member 6a for four fingers and the finger holding member 6b for thumb.
[0160]FIG. 8A is a side sectional view of the finger holding member 6a for four fingers, and FIG. 8B is a front view of the finger holding member 6a for four fingers seen from the inserting direction of the finger. FIG. 8C is a side sectional view of the finger holding member 6b for thumb, and FIG. 8D is a front view of the finger holding member 6b for thumb seen from the inserting direction of the finger.
[0161]As shown in FIG. 1, FIG. 8A and FIG. 8B, the finger holding member 6a for four fingers includes a holding member main body 60 which can hold four fingers and the holding member main body 60 is provided with four finger inserting holes 61 as a finger holding section which opens to the front of the finger inserting side of the finger holding member 6a for four fingers. The inside upper surface of the finger inserting hole 61 is inclined upward from substantially the center section to the opening side in the finger inserting direction. The shape and configuration of the finger inserting hole 61 is not limited to the illustrated example. However, since the thickness of the finger becomes thicker from the fingertip toward the base, it is preferable to form an inclination in the inside upper surface of the finger inserting hole 61 as shown in the illustrated sample so that it is possible to insert the target finger U1 deep into the finger inserting hole 61 smoothly. Instead of forming an inclination in the inside upper surface of the finger inserting hole 61, a step can be provided in the inside upper surface of the finger inserting hole 61 so that the thickness in the vertical direction is thicker in the opening side than the far side in the finger inserting direction.
[0162]A finger dividing section 62 is provided between each finger inserting hole 61 and when the four target fingers U1 (index finger U1-2 to little finger U1-5) are inserted in each finger inserting hole 61, an appropriate space is open between each target finer U1. The thickness of the finger dividing section 62 is not limited. However, when the target finger U1 are too close to each other, it is difficult to understand the outline of the nail section of each target finger U1. Therefore, it is preferable that an appropriate space is kept between the target fingers U1 by the finger dividing section 62 as shown in the present embodiment.
[0163]On the front face (face which is the upper side (upper side shown in FIG. 8A and FIG. 8B) when the target finger U1 is inserted) side and the far side in the finger inserting direction of the finger holding member 6a for four fingers, in a position corresponding to each finger inserting hole 61, a nail section exposing hole 63 is formed to expose the nail section of each target finger U1 (index finger to little finger) inserted in each finger inserting hole 61.
[0164]On the back face (face which is the lower side (lower side shown in FIG. 8A and FIG. 8B) when the target finger U1 is inserted) side and the far side in the finger inserting direction of the finger holding member 6a for four fingers, a later described sheet positioning section 65 is formed to place the nail chip sheet 7. The sheet positioning section 65 is a cut out section with a depth substantially the same as the thickness of the nail chip sheet 7 used in the nail print apparatus 1 of the present embodiment. The dimension of the length and the width of the sheet positioning section 65 is the same or somewhat larger than the dimension of the length and the width of the nail chip sheet 7.
[0165]As shown in FIG. 1, FIG. 8C and FIG. 8D, the finger holding member 6b for thumb includes a holding member main body 60 which can hold the thumb and the holding member main body 60 is provided with finger inserting hole 61 as a finger holding section which opens to the front of the finger inserting side of the finger holding member 6b for thumb. The inside upper surface of the finger inserting hole 61 is provided with a step so that the thickness in the vertical direction is thicker in the opening side than the far side in the finger inserting direction. The shape and configuration of the finger inserting hole 61 is not limited to the illustrated example. However, since the thickness of the finger becomes thicker from the fingertip toward the base, it is preferable to form a step in the inside upper surface of the finger inserting hole 61 so that the thickness in the vertical direction is thicker in the opening side as shown in the illustrated sample so that it is possible to insert the target finger U1 (thumb U1-1) deep into the finger inserting hole 61 smoothly. Similar to the finger inserting hole 61 of the finger holding member 6a for four fingers, the inside upper surface of the finger inserting hole 61 can be inclined upward from substantially the center section to the opening side in the finger inserting direction.
[0166]On the front face (face w