JPH0129580B2 - - Google Patents

Description

[Detailed description of the invention] purpose of invention (Industrial application field) The present invention relates to a multi-purpose knife.

(Prior art) Conventional multi-purpose knives generally have multiple blades rotatably attached to the handle for each purpose, which inevitably increases costs and complicates the mechanism due to the increase in the number of parts used. It has its drawbacks.

(Problems to be Solved by the Invention) It is an object of the present invention to provide a novel multi-purpose knife based on a new technical idea while taking into account the above-mentioned problems.

Structure of the Invention (Means for Solving Problems) Therefore, in the present invention, the handles 1, 16 and the blade bodies 8, 1
8, and a sheath 10, 19 for storing the blade bodies 8, 18 of the knife, wherein the blade bodies 8, 18 are connected to the handles 1, 16 with the same handle 1,
The mounting position can be switched between a first mounting position where the sheath 10, 19 is mounted along the longitudinal direction of the handle 16 and a second mounting position which is obliquely or perpendicular to the longitudinal direction of the same pattern 1, 16. Fastening members 11a, 13a, 13b that fix and hold the blade bodies 8, 18 attached to the second attachment position so that they cannot come off;
7, 18b, 19a, 19b, 26, and the handle 1, 16 houses and fixes the blade bodies 8, 18 attached to the second attachment position.
Acting parts 2, 3, 23, which perform functions such as cutting, cutting, or hammering when 0, 19 is used as a handle part;
24.

(Function) That is, for example, a blade part is formed at the tip end of the handle, and a striking part is formed at the base end part, so that the blade body can be tightened and fixed to the handle at a mounting position perpendicular to the longitudinal direction of the handle. With this structure, the sheath that houses and fixes the blade can be used as a handle, allowing it to be used as an ax or hammer. At this time, a sheath is attached to the blade in order to avoid injury caused by the blade serving as the handle, and the blade cannot be removed from the sheath by a fastening member provided on the sheath.

(Example) Hereinafter, examples 1 to 3 that embody the present invention will be described.
This will be explained based on the diagram.

Reference numeral 1 denotes a plate-shaped handle made of steel, and a wedge-shaped blade portion 2 serving as an acting portion is formed at the tip thereof, and a square prism-shaped striking portion 3 serving as an acting portion is formed at the base end. is formed. A first fitting groove 4 is formed on one side of the handle 1 in its longitudinal direction, and a second fitting groove 4 is formed at right and left center portions of the handle 1 so as to be orthogonal to the first fitting groove 4. Matching groove 5 is the first
It is formed to have the same depth and width as the fitting groove 4. The first fitting groove 4 is formed at the starting end of a semicircular arc on the proximal end side of the handle 1, and its distal end intersects with the slope of the wedge-shaped blade portion 2. Also, the first and second
A bolt 6 is inserted into the handle 1 at the center of the intersection of the fitting grooves 4 and 5.
The bolt 6 is fixedly fixed by penetrating it from the opposite surface, and the male threaded portion of the bolt 6 is provided to protrude. A tightening nut 7 having a non-slip peripheral surface can be screwed into the male threaded portion.

The blade 8 attached to the handle 1 configured as described above has a width that can fit into the fitting grooves 4 and 5, and a width that allows it to fit into the fitting grooves 4 and 5.
5, and its base end is formed in the same shape as the semicircular arc starting end of the first fitting groove 4. Further, a locking hole 8a is formed on the proximal end side of the blade body 8, into which a male threaded portion of the bolt 6 can be inserted. Note that saw teeth 9B are formed on the back side of the blade body 8 opposite to the blade portion 9A.

As shown in FIG. 1, insert the bolt 6 into the locking hole 8a, fit the proximal end of the blade 8 into the first fitting groove 4, and screw the tightening nut 7 onto the bolt 6 to tighten it. Then, the blade body 8 is attached to the handle 1 at the first attachment position along the longitudinal direction of the handle 1, thereby forming a knife. This knife is stored in a sheath 10 shown in FIGS. 1 and 2 when not in use. The scabbard 10 is made of synthetic leather 2
Consisting of two sheath pieces 11 and 12, one of the sheath pieces 11 has three female button fittings 13 on the bending stopper 11a.
A, 14A, and 15A are fixed. The female button fitting 13A is connected to the other female button fittings 14A and 15.
It is set in the opposite direction to A. Also, both sheath pieces 1
Male button fittings (not shown) corresponding to the female button fittings 14A and 15A are fixed to the sheath piece 11 at the overlapping portions 1 and 12, and the female button fitting 13A is attached to the sheath piece 12. A corresponding male button 13B is fixed. That is, the first
When storing the knife configured as shown in the figure, the bending stopper piece 11a is bent and reversed to the sheath piece 11 side, so that the female button fittings (not shown) are fitted into the male button fittings (not shown). It's getting old. In this state, the belt can be inserted through the bent portion of the bend stop piece 11a, and the sheath 10 containing the knife can be suspended from the belt.

If the tightening nut 7 is loosened from the state shown in FIG. 2 and the blade body 8 is slightly pulled out from the first fitting groove 4, the bolt 6
The blade body 8 can be rotated around the center. If the blade 8 is rotated 90 degrees from the state shown in FIG. 2 about the bolt 6, the blade 8 can be fitted into the second fitting groove 5. Then, by tightening the tightening nut 7, the blade body 8 is fitted into the second fitting groove 5, and the blade body 8 is mounted and fixed at the second mounting position orthogonal to the handle 1. Then, the blade 8 is stored in the sheath 10, and the bending stopper 11a is placed on the sheath piece 12 side as shown by the chain line in FIG.
When the female button fitting 13A is fitted into the male button fitting 13B, the bent portion of the bending stopper 11a engages with the base end of the blade 8, and the blade 8 is inserted into the sheath 10. The blade body 8 and handle 1 are held fixedly against the sheath 10. In this embodiment, the blade 8 is removed from the sheath 10 by the bending stopper 11a, the female button fitting 13A, and the male button fitting 13B.
A fastening member is configured to prevent the part from slipping out. Therefore, if the sheath 10 with the blade 8 fixedly held by the fixing member is grasped as a handle, the blade part 2 at the tip of the handle 1 can be used to break wood, etc., or the hammer part 3 can be used to drive nails, etc. be able to.

That is, the sheathed knife of this embodiment has the blade body 8 so that the mounting position can be switched between the first mounting position along the longitudinal direction of the handle 1 and the second mounting position perpendicular to the longitudinal direction of the handle 1. and fixing members 11a, 13a, 1 that fix and hold the blade attached to the second attachment position on the sheath 10 so as not to come off.
3b, and the handle 1 is provided with a blade part 2 and a striking part 3 at both ends thereof, so that the sheath 10, which stores and holds the blade 8 attached at the second attachment position, is attached to the handle part. It can also be used as an ax and hammer. Moreover, the mounting position of the blade 8 with respect to the handle 1 can be changed and the fastening members 11a, 13
It is a simple structure in which the blade body 8 is fixedly held on the sheath 10 by the blades a and 13b, and there is no problem in terms of cost.

The present invention is, of course, not limited to the above-mentioned embodiments, but also includes embodiments shown in FIGS. 4 to 6, for example. In this embodiment, the handle 16 has a cover 1.
7 can be attached, and the blade body 18 is housed in a sheath 19. As shown in FIG. 4, a bolt 20 is screwed through the upper part of the front end of the cover 17, and its tip ends in an engagement groove 16a cut out in the upper end of the handle 16.
It is now possible to fit into the That is, when the blade 18 is attached to the handle 16 at the first attachment position along the longitudinal direction of the handle 16, the handle 16 is not attached to the cover 17.
By inserting and tightening the bolt 20, the tip of the bolt 20 comes into contact with the engagement groove 16a, and the cover 17 is fixed to the handle 16. Therefore, the handle 16 has a fitting groove 21 along the longitudinal direction of the handle 16, a fitting groove 22 perpendicular to the groove 21, similar to the handle 1 of the above embodiment.
Although it is provided with a blade part 23 and a striking part 24, the handle 16 portion is housed within a cover 17, making it easy to handle the knife. Further, a hexagonal hole 25 is formed in one side of the distal end side of the sheath 19, and the bolt 20 can be tightened through this hexagonal hole 25.

Note that 17a is a groove for avoiding collision with the screw 26.

A first locking hole 18a into which a screw 26 can be inserted is transparently provided at the center of the intersection of the first and second fitting grooves 21 and 22 on the base end side of the blade body 18. A similar locking hole 18b is located slightly ahead of 18a.
is transparent, and a protruding piece 18c is formed at the base end. Further, as shown in FIG. 5, a connecting protrusion 19a that can be stored in the cover 17 is provided at the end of the storage opening of the sheath 19, and a similar locking piece 19a is provided in correspondence with the locking hole 18b. A hole 19b is formed. That is, in order to attach the blade body 18 to the fitting groove 22, with the blade body 18 housed in the sheath 19 as shown in FIG. 7 and tighten it, thereby tightening and fixing the blade body 18 to the second mounting position perpendicular to the longitudinal direction of the handle 16, and tightening and fixing the sheath 19 to the blade body 18. It becomes possible to hold the sheath 19 as a handle. Therefore, in this embodiment, the connecting protrusion 19a, the locking holes 18b, 1
9b, the screw 26, and the tightening nut 7 constitute a fastening member.

Further, in this state, the protruding piece 18c can be used as a screwdriver.

Note that the present invention is not limited to the above-mentioned embodiments, and for example, the third fitting groove obliquely intersecting with the longitudinal direction of the handle 1 may be formed in the same manner as the first and second fitting grooves 4 and 5. It is also possible to make arbitrary changes within the scope of the invention, such as providing it in the handle 1 and using it as a sickle by attaching and fixing the blade 8 to the third fitting groove.

Effects of the Invention As detailed above, in the sheathed knife of the present invention, the first attachment position where the blade body is attached to the handle along the longitudinal direction of the handle is oblique or perpendicular to the longitudinal direction of the handle. The sheath is provided with a fastening member that fixes and holds the blade mounted in the second mounting position in a manner that prevents the blade from being pulled out. When the sheath that stores and fixes the blade attached to the second attachment position is used as the handle, an action part is provided that performs functions such as cutting, cutting, or striking, so the attachment position of the blade relative to the handle is With the simple structure of simply switching the blade body and holding the blade body in the sheath with a fastening member, not only the blade body but also the handle can be used as a multi-purpose working member, and moreover, only the handle, blade body, and sheath are used. This configuration has an excellent effect of lowering production costs.

[Brief explanation of drawings]

1 to 3 show an embodiment embodying the present invention, FIG. 1 is an exploded perspective view, and FIG. 2 is a perspective view showing the blade attached to the handle at the first attachment position. ,
Fig. 3 is a perspective view showing the blade body attached to the handle at the second mounting position, Figs. 4 to 6 show other examples of the present invention, Fig. 4 is a side sectional view, and Fig. 5 is a plan sectional view,
FIG. 6 is a side view showing the state in which parts other than the knife are used. Handle...1, 16, blade part as an action part...2,
23, Similarly, the striking part...3, 24, the blade body...8,
18, Sheath...10, 19, Bending piece as a fastening member...11a, Female button fitting...13A, Male button fitting...13B, same tightening nut...
7. Locking hole... 18b, Locking hole... 19b, Connecting protrusion... 19a, Screw... 26, 29, Sawtooth as acting part... 30.

Claims (1)

[Scope of Claims] 1. A sheathed knife consisting of a knife composed of a handle 1, 16 and a blade body 8, 18, and a sheath 10, 19 for storing the blade body 8, 18 of the knife, comprising: The body 8, 18 is the same pattern 1 as the pattern 1, 16,
The mounting position can be switched between a first mounting position where the sheath 10, 19 is mounted along the longitudinal direction of the handle 16 and a second mounting position which is obliquely or perpendicular to the longitudinal direction of the same pattern 1, 16. Fastening members 11a, 13a, 13b that fix and hold the blade bodies 8, 18 attached to the second attachment position so that they cannot come off;
7, 18b, 19a, 19b, 26, and the handle 1, 16 houses and fixes the blade bodies 8, 18 attached to the second attachment position.
A knife with a sheath, characterized in that it is provided with working parts 23 and 24 that perform functions such as cutting, cutting, or hitting when the knife 0 and 19 are used as a handle part.