JP2794533B2 - Size adjustment band - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a helmet, a hat,
The present invention relates to a size adjustment band capable of adjusting the size of a headgear such as a sun visor at an arbitrary position while wearing the head, such as the front of the head.

[0002]

2. Description of the Related Art Heretofore, headwear such as helmets, hats, sun visors, etc. have been formed in a predetermined size or provided in different sizes having a certain width. In order to further adapt the size having a certain width to the size of the user's head, a slide-fixing type adjusting tool or the like is used.

[0003] This slide-fixing type adjusting device is, for example,
There is an adjustment tool of a type that releases a part of the edge of the headgear and adjusts the overlapping state of the released edge.

[0004]

However, the slide-fixing type adjusting tool is limited to a small adjustment width. In addition, since this type of adjustment tool needs to be adjusted before being worn, it may be necessary to adjust it many times before adapting to the size of the user's head. Required.

Accordingly, the present invention has been made to solve the above-mentioned problems, and has a size adjustment band which can adjust the size of a headgear while being attached thereto and can be used for various headgears. The purpose is to provide.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, a first means of the present invention forms a pair of adjusting strips 1 whose ends are overlapped with each other. A slide slot 1A is opened at the overlapping portion of the adjustment strips 1. Then, the upper long side edge of one slide long hole 1A and the other slide long hole 1
A rack portion 2 is provided along the lower longitudinal side edge of A.
Furthermore, a double-tightened pinion body 3 for fitting the rack 2 to slide the adjustment strips 1 in opposite directions is formed, and the forward / reverse adjustment knob 5 is provided on the pinion body 3.

[0007] The pinion body 3 of the second means holds the longitudinal side edge of the adjusted adjusting band 1 and is connected to a holder 6 which moves along the longitudinal side edge. The holding member 6 is provided with a reverse rotation stopper 4 for restricting one rotation of the pinion body 3.

Further, the reverse rotation stopper 4 of the third means is
A ratchet mechanism is provided between the pinion body 3 and the forward / reverse adjustment knob 5.

The forward / reverse adjustment knob 5 of the fourth means
Is a means for solving the problem that the ratchet drum 4A is provided and the ratchet claw 4B of the reverse rotation stopper 4 is detachably provided.

In the fifth means, a pair of adjusting strips 1 having one end fixed to the periphery of the opening of the covering object P or a single loop-shaped strip is used as the adjusting strip 1. At this time, a slide slot 1A is opened at the overlapping portion of the ends of the adjustment band 1.

A sixth means is to provide a rack portion 2 along one of the upper longitudinal side edge of one slide long hole 1A and the lower longitudinal side edge of the other slide long hole 1A,
The single rack 2 is used to perform one-sided tightening.

[0012]

According to the first means of the present invention, by turning the forward / reverse adjusting knob 5, the pinion body 3 acts on the pair of racks 2 to adjust the overlapping position of the adjusting strips 1 with each other. The adjustment band 1 determines the size of the covering object P.

The second means is that the holding body 6 holds and fixes the adjustment band 1 and the pinion body 3, and the reverse rotation stopper 4 provided on the holding body 6 regulates the rotation direction of the pinion body 3. I do.

Further, as a third means, the reverse rotation stopper 4 of the ratchet mechanism regulates the rotation direction of the pinion body 3 and the forward / reverse adjustment knob 5.

The fourth means is to actuate or release the reverse rotation stopper 4 by engaging and disengaging the ratchet drum 4A provided on the forward / reverse adjustment knob 5 with the ratchet pawl 4B of the reverse rotation stopper 4. .

The fifth means is to operate the forward / reverse adjustment knob 5 to overlap the pair of adjustment strips 1 whose ends are fixed to the inner peripheral edge of the opening of the cover P, or to form one loop-shaped strip. Of the adjustment band 1 is adjusted.

The sixth means is a forward / reverse adjustment knob 5
By this operation, the adjustment band 1 provided with the rack portion 2 can be tightened in only one direction.

[0018]

Embodiments of the present invention will be described below in detail with reference to the drawings.

The symbol P shown in the figure is a cap P used for a magnifier, an endoscope, a headlamp, a hammer, etc., in addition to a hat, a sun visor, a helmet, and the like. The adjustment band 1 of the invention adjustment band is mounted (see FIG. 4).

The adjusting strip 1 is a pair of strips whose ends are overlapped with each other, and has an elongated slide hole 1A at the overlapping portion of the adjusting strips 1 (see FIG. 1). A rack portion 2 is provided along the upper longitudinal side edge of one slide long hole 1A and the lower longitudinal side edge of the other slide long hole 1A.

The adjustment band 1 is partially covered with an object P
In addition to the above, the release end of the adjustment band 1 may be detachably fixed to an appropriate position such as the side surface of the covering object P. This fixing means, such as snap, eyelet, or hook-and-loop fastener
A conventionally known arbitrary fixing means is appropriately selected and fixed. The adjustment band 1 shown in FIG. 1 is provided with a protective bag 9 that covers the entire adjustment band 1 or the overlapping portion.
The misalignment of the superposed adjustment strips 1 is prevented. Then, the holder 6 and the pinion 3 are attached to the outside of the protective bag 9. The protective bag 9 may be omitted if necessary (see FIG. 3).

Further, the adjusting band 1 may use a single loop-shaped band as the adjusting band 1 instead of the pair of adjusting bands 1, and the adjusting band 1 may be formed in a ring shape. .

Next, a double-tightened pinion body 3 is formed which is fitted to the rack portion 2 of the adjustment band 1 and slides the adjustment bands 1 in opposite directions to each other. A knob 5 is provided. The illustrated pinion body 3 includes a screw portion 3A meshing with the rack portion 2 and a connecting portion 3B protruding at a position opposite to the screw portion 3A and connecting to the forward / reverse adjustment knob 5 (see FIG. 1). . And this pinion body 3
It is connected to the holder 6.

A rack 2 is provided along one of the upper longitudinal side edge of the one slide long hole 1A and the lower longitudinal side edge of the other slide long hole 1A. It is also possible to perform one-sided tightening (not shown).

FIGS. 5 and 6 show an embodiment in which the reverse rotation stopper 4 is omitted to form a single clamp type. In this embodiment, instead of the reversing stopper 4 of the ratchet mechanism, an uneven slip 10 is provided on the overlapping surface of the adjustment band 1. Then, the overlapped ends of the adjustment band 1 exert an anti-slip function by the tightening pressure at the time of mounting (FIG. 6).
reference). At this time, the non-slip processing may be performed on the slip stopper 10 via a material having uneven projections or on the surface of the adjustment band 1. Further, a protective bag 9 is provided to cover the entire adjustment band 1 or the overlapping portion, and the holder 6 and the pinion body 3 are attached to the outside of the protection bag 9 to prevent the adjustment band 1 from shifting from each other ( (See FIG. 5).

The holding body 6 holds the longitudinal side edge of the superimposed adjustment band 1 and moves along the longitudinal side edge. The holding body 6 controls the rotation of the pinion body 3 by one rotation. A restricting reverse rotation stopper 4 is provided. The illustrated reverse rotation stopper 4 uses a ratchet mechanism disposed between the pinion body 3 and the forward / reverse adjustment knob 5 (see FIG. 1). That is, the ratchet drum 4A is provided on the inner peripheral edge of the forward / reverse adjustment knob 5, and the ratchet drum 4A is engaged with the ratchet claw 4B of the reverse rotation stopper 4 interposed between the pinion body 3 and the forward / backward adjustment knob 5 ( (See FIG. 2). At this time, the illustrated ratchet pawl 4B has a screw shape having elasticity, and the ratchet pawl 4B is provided on the fixed plate 4C connected to the holder 6. In addition, the illustrated fixing plate 4C
Are provided, and the covering object P is sandwiched between the two fixed plates 4C (see FIGS. 1, 3, and 4).

Further, the ratchet drum 4A provided on the forward / reverse adjusting knob 5 is provided so as to be freely detachable from the ratchet pawl 4B. The illustrated forward / reverse adjustment knob 5 is screwed to the holder 6 together with the pinion body 3 and the reverse stopper 4 by a connecting screw 8 via a spring 7 (see the solid line in FIG. 3). Therefore, normally, the normal / reverse adjustment knob 5 is in a state where the ratchet claw 4B is pressed and urged by the elastic force of the spring 7, and the ratchet drum 4A and the ratchet claw 4B are engaged. Further, by forcibly pulling up the forward / reverse adjusting knob 5 in the direction of the spring 7, the ratchet drum 4A and the ratchet pawl 4B are released, and the pinion body 3 can be rotated in any direction (see FIG. 3). See the imaginary line). When the forcible lifting is stopped, the forward / reverse adjusting knob 5 returns to the original position by the urging force of the spring 7, and the ratchet drum 4A and the ratchet pawl 4B are engaged.

The forward / reverse adjustment knob 5 is mounted so as to protrude from the front surface of the covering object P (see FIG. 4). Further, it is also possible to use the front surface of the forward / reverse adjustment knob 5 or the surface of the connection screw 8 to display a name, a mark, or the like. At this time, the display body (not shown) is scheduled to be a fixed type on the surface of the connection screw 8 or a type fitted on the front surface of the forward / reverse adjustment knob 5.

[0029]

According to the present invention, the above-mentioned configuration achieves the original object.

That is, according to the first and second aspects, the size of the covering object P can be adjusted only by turning the forward / reverse adjusting knob 5, so that the size can be adjusted with the covering object P attached.

Further, according to the second and third aspects, the operation of the forward / reverse adjustment knob 5 is facilitated, and the strength of fastening to the head can be adjusted to a desired strength.

In addition, according to the first to sixth aspects, since the size of the cover P on which the adjustment band of the present invention can be mounted can be adjusted, the versatility is extremely high.

As described above, according to the present invention, it is possible to adjust the size in a state where the headgear is adhered, and to achieve various industrially useful effects such as being applicable to various headgears. is there.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing the present invention.

FIG. 2 is a partially cutaway plan view showing a reverse rotation stopper of the present invention.

FIG. 3 is a sectional view showing a main part of a forward / reverse adjustment knob according to the present invention.

FIG. 4 is a cutaway side view showing a mounted state of the present invention.

FIG. 5 is an exploded perspective view showing another embodiment of the present invention.

FIG. 6 is a sectional view showing another embodiment of the present invention.

[Explanation of symbols]

 P Covering object 1 Adjustment band 1A Slide long hole 2 Rack 3 Pinion 3A Screw 3B Connection 4 Reverse rotation stopper 4A Ratchet drum 4B Ratchet claw 4C Fixed plate 5 Forward / reverse adjustment knob 6 Holder 7 Spring 8 Connection screw 9 Protective bag 10 Slip

Claims (6)

(57) [Claims] 1. A pair of adjusting strips whose ends are overlapped with each other are formed, a slide slot is opened in a portion where the adjusting strips overlap each other, and an upper longitudinal side edge of one slide slot is formed. A rack portion is provided along the lower longitudinal side edge of the other slide long hole, and a double-tightened pinion body is formed which fits into the rack portion and slides the adjustment strips in opposite directions. A size adjustment band, wherein a forward / reverse adjustment knob is provided on the pinion body. 2. The pinion body holds a longitudinal side edge of the overlapped adjusting band and is connected to a holder moving along the longitudinal side edge, and the holder restricts one rotation of the pinion body. The size adjustment band according to claim 1, further comprising a reverse rotation stopper. 3. The size adjustment band according to claim 1, wherein the reverse rotation stopper is a ratchet mechanism disposed between the pinion body and the forward / reverse adjustment knob. 4. The size adjustment band according to claim 1, wherein the forward / reverse adjustment knob is provided with a ratchet drum, and is provided so as to be freely detachable from a ratchet claw of the reverse rotation stopper. 5. The size adjustment band according to claim 1, wherein the adjustment band is formed of a pair of one ends fixed to the periphery of the opening of the covering object or one loop-shaped band. 6. The size adjustment band according to claim 1, wherein the rack portion is of a single tightening type formed on one of the adjustment band members.