JP3294217B2 - Eyeglass screwdriver - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable eyeglass screwdriver suitable for tightening screws of so-called frameless eyeglasses without an eyeglass frame.

[0002]

2. Description of the Related Art Borderless eyeglasses generally have a structure in which hinges of a vine are directly screwed on both sides of a lens surface. Recently, in consideration of the appearance of the spectacles from the lens front side, a screw (bolt) without a groove or nut on the head is used, and the end of the screw (bolt (Referred to simply as "nut"). In glasses with such a structure, if the screws and nuts are loosened, the screws and nuts rotate in the same way during the tightening work. It is necessary to tighten the screws with. This operation requires a screwdriver and a nut driver, but a screwdriver for spectacles described in, for example, Japanese Utility Model Publication No. 7-512255, in which the screwdriver is covered with a cap with a nut driver and integrated, for example, has also been proposed. I have.

[0003]

Recently, nuts or screws having various diameters have been increasingly used for eyeglasses. For screws with different diameters, a single screwdriver can be diverted to some extent.However, for nuts with different diameters, it is necessary to use a screwdriver that is compatible with it. One turn alone is not enough.

Accordingly, an object of the present invention is to provide a spectacle screwdriver which is excellent in portability while preventing tightening and co-rotation of screws and nuts having different diameters.

[0005]

SUMMARY OF THE INVENTION An eyeglass screwdriver according to the present invention has a screwdriver body, a first cylindrical body and a second cylindrical body. The screwdriver body is provided with a pair of screwdriver shafts having screwdriver blades of different shapes formed at a distal end thereof and a screw groove formed at a base end thereof at opposite ends, and forming a grip portion at an outer peripheral portion. Each of the tubular bodies has a structure in which one end thereof can accommodate one of a pair of screwdriver shafts and can be screwed into the screw groove. At the other end of the first cylindrical body, a hole for fitting a plurality of nuts having different diameters corresponding to the screw turned by the screwdriver blade, for example, the central axis of the first cylindrical body. A plurality of holes are formed concentrically as a common axis, and the other end of the second cylindrical body is provided with a hole for mounting a connection end of an ornament having a connection end and a free end. The accessory has its free end displaced from the connection end as a starting point to selectively form an open state and a closed state.

[0006] For example, when the accessory is in a closed state, the second cylindrical body can be hung on a body to be hung such as a breast pocket, and in an open state, a gripping portion is held together with the second cylindrical body. Shall be formed. A locking hole may be formed at the free end of the accessory so that the second cylindrical body can be locked to a predetermined projection through the locking hole when the accessory is in the open state.

In order to enhance the workability, a part of the first cylindrical body is constituted by a bendable member, and the central axis of the hole is at a predetermined angle with respect to the central axis of the first cylindrical body. Is also good. In order to make the attachment mechanism of the accessory more convenient, the connecting end of the accessory is formed in a shape that can be detached from the hole, and the free end is positioned so that the free end is at a predetermined position. A closed state is formed. From the viewpoint of enhancing the integration with each cylindrical body, the hole is formed in a substantially rotary shape, and the connecting end of the ornament is formed in accordance with the shape of the hole. And
An open state or a closed state is formed by displacing the outer wall of the connection end while sliding against the inner wall of the hole.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an external perspective view of the eyeglass screwdriver of the present invention. This eyeglass screwdriver is of a portable size, and includes a screwdriver body 10 and a first cylindrical body 2.
0, and has the second cylindrical body 30 as a basic component.

The screwdriver body 10 is provided with a pair of screwdriver shaft portions 14 and 15 having screw grooves (male screws) 12 and 13 of the same standard screwed at their base ends at opposite ends, respectively. A grip 11 having an outer diameter substantially equal to the outer diameter of the first cylindrical body 20 and the second cylindrical body 30 is formed on the outer periphery of the portion. In the illustrated example, the tip of the screwdriver shaft 14 is formed with a minus (-) shaped blade, and the tip of the screwdriver shaft 15 is formed with a plus (+) blade. It may be a shape such as a hexagon wrench.
The cutting edge can be replaced with a removable and replaceable structure.

[0010] Female threaded portions 21 and 31 corresponding to the male threaded portions 12 and 13 are formed on the inner wall of one end of the first tubular body 20 and the second tubular body 30, respectively. In the state where the turning shaft portion 14 is housed, the second cylindrical body 3
Reference numeral 0 denotes a state in which the screwdriver shaft portion 15 is housed, and each can be screwed and fixed to the screwdriver body 10. At the other end of the first cylindrical body 20 (the end opposite to the female screw part 21), a hole 22 that fits into a nut of a predetermined shape is formed. It is provided as. More specifically, as shown in the side sectional view of FIG. 2A and the front views of FIGS. 2C to 2E, the hole 22 is fitted to a nut having a relatively large diameter. Two are provided concentrically, like the first nut hole 221 and the second nut hole 222 that fits into a smaller diameter nut. Since the shape of the nut holes 221 and 222 may be adjusted to the shape of the nut used for the spectacles, various combinations are possible as shown in FIGS.

Each of the nut holes 221 and 222 may be formed by cutting the bottomed end, or may be formed by a mold. Preferably, the central portion of each of the nut holes 221 and 222 communicates with a hollow portion formed by the inner wall of the first cylindrical body 20. With such a structure, the liquid material comes into contact with the surface of each net hole during plating, which is convenient.

A portion of the first cylindrical body 20 from the end is a bendable portion 23. The bendable portion 23 is provided on the screwdriver body 10.
And the second cylindrical body 30 is formed integrally with a flexible member different from the second cylindrical body 30, and the hole 22 can be used in a shape obtained by bending the first cylindrical body 20 according to the use position of the nut. I have. The bendable member may be an elastic member such as rubber or resin that can maintain a certain shape, or a bendable mild steel member may be used.

At the other end of the second cylindrical body 30 (the end opposite to the female screw 31), a hole 3 for mounting the ornament 33 is provided.
2 are formed. The accessory 33 is, for example, a clip that locks a writing instrument on a hooked body such as an inner pocket, a breast pocket, a notebook file, and the like, and has a connection end (a portion to be attached to the hole) to be attached to the hole 32. ) And a free end, and the free end is displaced from a mounting portion of the connection end as a starting point to selectively form an open state and a closed state. Free end and second cylindrical body 30 serving as an entrance when hooked on a hooked body
It is more convenient if the distance between the second cylindrical body 30 and the holding portion for locking the body to be hooked is made narrower by making the space between the second cylindrical body 30 and the holding member smaller.

The "open state" means that the free end is the second cylindrical body 30.
Refers to a state displaced by a predetermined angle, for example, 180 degrees with respect to the surface of the second cylindrical body 30, and the "closed state" refers to a state in which the free end is parallel to the surface of the second cylindrical body 30.

FIGS. 3A and 3B show a structural example of the ornament 33, and FIGS. 4A and 4B show the ornament 33.
It is a figure showing the example of shape of hole 32 for mounting.
The ornament 33 may have a structure in which the open end and the closed state are selectively formed by removably fitting the connection end into the hole 32, or may be connected along the inner wall of the hole 32. The open state and the closed state may be selectively formed by displacing the free end by sliding the outer wall of the end.

In the former case, for example, as shown in FIG. 4B, the inner wall shape of the hole 32 and the outer wall shape of the connecting end of the ornament 33 are made polygonal, or fine grooves and teeth are provided to mesh with each other. For example, it is desirable that the ornament 33 be configured so as not to be easily detached from the hole 32. FIG.
(A), (b) As shown in the upper part, a projecting shaft is formed at the connecting end, and the projecting shaft is fitted into a groove formed around the hole 32 or is structured to be axially attached. It is one idea to do so.

In the latter case, it can be more simply realized by forming the shape of the connection end between the hole 32 and the ornament 33 into, for example, a polygonal rotary shape as shown in FIG. is there. That is, when a predetermined force or more is applied to the free end of the accessory 33, the connection end slides, and an open state and a closed state are formed. Note that the overall shape of the accessory 33, particularly the shape of the free end, may be arbitrary, but preferably, as shown in FIGS. 1 and 3A and 3B, the second tubular body 30 The shape is such that it forms a grip with the surface of. In addition, when the second cylindrical body 30 is in the open state,
31a and 331b can be engaged with a predetermined protrusion.

Next, a method of using the eyeglass screwdriver according to the present embodiment will be described. 5 (a) to 5 (c) are views showing a use state. Fig. 5 when carrying or not using
As shown in (a), the first cylindrical body 20 and the second cylindrical body 30
Are screwed to the screwdriver body 10 in a state in which the screwdriver shaft portions 12 and 13 are housed, respectively, and the whole is in the form of a single elongated rod having a portable size. The accessory 33 is closed as shown, and can be hooked on the hooked body at its free end and the surface of the second cylindrical body 30. Even when not in use, the ornament 33 can be opened to lock the locking hole 331 with a projection such as a hook.

When tightening the nut on the back side of the lens of the frameless glasses, as shown on the left side of FIG. 5B, the nut to be tightened is housed in the hole 22 of the first cylindrical body.
Tighten one of the screws or nuts. At this time, when the screw corresponding to the nut has a minus (-) shape, the nut tubular body is removed from the screwdriver main body 10, and when the screw has a plus (+) shape, the second tubular body 30 is removed. .
The accessory 33 can be used as it is (closed state), but if the free end of the accessory 33 is in the way, open the accessory 33 as shown in the right side of FIG. The free ends of the ornaments 33 are aligned on the axis of the first tubular body 20, the screwdriver body 10, and the second tubular body 30.

Depending on the frame of the spectacles, the space for tightening the nut cannot be secured in the state of FIG. 5B, or the rotation axis of the nut does not coincide with the rotation axis of the spectacle screwdriver. In this case, as shown in FIG.
The first cylindrical body 20 is bent around the fulcrum 3 and the nut is tightened in this state.

In the case of frameless glasses, a nut is used to connect the lens to the hinge, and a minus or plus screw is used to connect the hinge to the vine. If the screwdriver shaft portion on the side not using the cylindrical body 20 is accommodated, a desired pair of screwdriver and nut driver can be easily realized with a single eyeglass screwdriver. Further, it is also possible to remove the first cylindrical body 20 and use it alone as a nut driver or use it alone as a screw driver.

In this embodiment, the first cylindrical body 20
Although an example in which two nut holes 221 and 222 are formed concentrically has been described, a configuration in which three or more nut holes are formed concentrically is also possible. A so-called multi-shaped nut hole may be formed by combining a plurality of shapes at the same depth. In the present embodiment, a hole 32 is formed in the second cylindrical body 30, and the hole 32 is formed.
Although the ornaments 33 are attached to the base member, there is a feature in that a plurality of nut holes are formed and a point in which a part of the first tubular body 20 is the bendable portion 23 itself. When only the points are used, it is possible to adopt a structure in which the accessory 33 is fixed from the beginning, or a structure in which the accessory is not present.

[0023]

As is apparent from the above description, according to the eyeglass screwdriver of the present invention, it is possible to tighten a plurality of nuts having different diameters with one. In addition, since the ornaments are provided movably and closed when not in use so that the ornaments can be hooked on the hooked body or locked on the protrusions, a convenient structure for carrying is provided. Can be.

Since the ornament can be appropriately opened, it can be used not only as a hindrance in use, but also as a grip, so that operability can be improved. . In addition, since the bendable member is configured as a part of the first cylindrical body, it can be used even in a part where the rotation axis of the nut does not coincide with the rotation axis of the eyeglass screwdriver.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an eyeglass screwdriver according to an embodiment of the present invention.

FIG. 2A is a side sectional view of a first cylindrical body, and FIGS.
(E) is a diagram showing a variation of the structure of the hole.

FIGS. 3A and 3B are diagrams showing variations of the structure of the ornament.

FIGS. 4A and 4B are diagrams showing variations of the shape of a hole formed in a second cylindrical body when the accessory is attached.

5A and 5B are diagrams showing a use state of the eyeglass screwdriver according to the present embodiment, wherein FIG. 5A shows a non-use state, FIG. 5B shows a normal use state, and FIG. FIG. 5 is a diagram showing a state where the rotation axis of the eyeglass screwdriver does not match the rotation axis of the eyeglass screwdriver.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Screw driver main body 11 Gripping part 12, 13 Male screw part 14, 15 Screw driver shaft part 20 First cylindrical body 21, 31 Female screw part 22 Hole part 221, 222 Nut holes with different diameters 23 Bendable part 30 Second cylindrical shape Body 32, 32a, 32b Hole 33, 33a, 33b Decoration 331 Locking part 332a, 332b Projection shaft

──────────────────────────────────────────────────続 き Continuation of front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B25B 15 / 00,13 / 00 G02C 13/00

Claims (7)

(57) [Claims] 1. A screw comprising a pair of screwdriver shafts at opposite ends, each having a cutting edge having a different shape formed at a distal end thereof and a screw groove formed at a proximal end thereof, and a grip portion formed at an outer peripheral portion. A turning main body, and a first cylindrical body and a second cylindrical body each having an end portion that accommodates one of the pair of screwdriver shaft portions and has a structure that can be screwed into the screw groove; At the other end of the cylindrical body, a plurality of holes for fitting a plurality of nuts having different diameters corresponding to the screws turned by the cutting edge are formed. At the end, a hole for mounting the connection end of the accessory having a connection end and a free end is formed, and the decoration is displaced from the free end as a starting point. Open state and closed state are selectively formed, and in the closed state
Hooks the second cylindrical body to a hooked body such as a breast pocket.
Can be grasped together with the second tubular body when in the open state.
A screwdriver for eyeglasses, characterized by forming a holding part . 2. The eyeglass screwdriver according to claim 1, wherein the plurality of holes are formed concentrically with a central axis of the first cylindrical body as a common axis. 3. A lock hole is formed at a free end of the ornament, and the second tubular body can be hooked on a hooked body such as a breast pocket in the closed state. The screwdriver for eyeglasses according to claim 1 or 2, wherein the second cylindrical body can be locked to a predetermined protrusion through the locking hole when in the open state. Wherein a portion of said first cylindrical member is made of a bendable member, according to claim 1 to an eyeglass screwdriver of any claim, wherein the 3. 5. The open end or the closed state is formed by positioning the connection end of the accessory to be detachable from the hole, and positioning the free end to a predetermined position. The eyeglass screwdriver according to any one of claims 1 to 4 . 6. The open state or the closed state is formed by displacing the outer wall of the connection end of the accessory while sliding the inner wall of the hole, wherein the hole is formed substantially in a rotary shape. The eyeglass screwdriver according to any one of claims 1 to 4 . 7. A screw having a pair of screwdriver shafts at opposite ends, each having a different shape of a cutting edge formed at a distal end thereof and a thread groove formed at a proximal end thereof, and a grip formed at an outer peripheral portion. A turning main body, and a first cylindrical body and a second cylindrical body each having an end portion that accommodates one of the pair of screwdriver shaft portions and has a structure that can be screwed into the screw groove; At the other end of the two cylindrical bodies, a hole or a decorative part for mounting a predetermined accessory is formed. At the other end of the first cylindrical body, a screw turned by the cutting edge is provided. The holes for fitting a plurality of nuts having different diameters correspond to the central axis of the first cylindrical body, respectively.
A pair of eyeglass screwdrivers, wherein a plurality of lines are formed concentrically , and a part of a side portion of the first cylindrical body is formed of a flexible member.