JP2002225681A - Wiper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wiper that enables sole replacement of a refill. SOLUTION: The wiper 10 comprises the long refill 11 capable of wiping a wiped surface 2a, a first vertebra 12 of a planar shape formed so as to be held while engaged with a holding portion 11a of the refill 11 and for providing the refill 11 with elasticity, a second vertebra 13 engaged with the first vertebra 12 and formed in a larger curvature than the wiped surface, a driving member 5 capable of driving the refill 11 to effect the wipe, and a connecting member 14 for connecting the driving member 5 and the first vertebra 12. The first vertebra 12 has intermittently formed claws 18 capable of holding the holding portion 11a of the refill 11. The refill 11 has groove portions 16 capable of engaging the claws 18 from one side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiper capable of wiping rainwater or dust attached to a window such as a front wind panel of a vehicle such as an automobile, an aircraft or a ship, and more particularly to a structure of a wiper without a lever.

[0002]

2. Description of the Related Art As a conventional wiper 1 without a lever, for example, as shown in FIGS. 18 to 20, a refill 3 having a wiping portion 3b capable of wiping a wiping surface 2a of a wiping member 2 such as a front window panel. And the refill 3
A vertical bar 4 formed to be able to hold the holding portion 3a in an engaged state and imparting elasticity to the refill 3; A driving member 5 and a connecting member 6 that connects the vertebra 4 are provided. The vertebra 4 is formed with a curvature larger than the curvature of the wiping surface 2.
When the refill 3 is pressed to the side, the refill 3 comes into close contact with the wiping surface 2a of the wiping member 2 even though there is no lever,
The wiping surface 2a can be wiped. Reference numeral 7 denotes a cap that is fitted to both ends of the refill 3 and the vertebra 4. Reference numeral 8 denotes a cover integrated with the refill 3 and is formed in a cross-section such that when wind pressure is applied, the refill 3 generates a pressing force on the wiping surface 2a.

[0003]

In such a wiper 1, however, the wiping portion 3b of the refill 3 is formed to have a rectangular cross section as shown in FIG. Refill 3 is Bartebra 4
Therefore, it is necessary to replace not only the refill 3 but also the wiper 1 as a whole, which requires an expensive expenditure for the user, and improvement is required. Also,
The wiper 1 has a “rain wiper” for wiping out raindrops and a “snow wiper” for removing snow and the like only by the difference of the refill 3.
The entire wiper 1 needs to be replaced, and improvement is required also in this regard.

[0004] Therefore, an object of the present invention is to provide a wiper capable of replacing only the refill.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a long refill capable of wiping a wiping surface, and a refill which can be held in a state of being engaged with a holding portion of the refill. A first vertical vertebra which is formed on the surface and imparts elasticity to the refill; a second vertical vertebra engaged with the first vertebra and formed to have a larger curvature than the wiping surface; and a wiping drive of the refill. A driving member, and a connecting member connecting the driving member and the first vertebra.
A claw capable of holding the holding portion of the refill is intermittently formed on the vertebra, and a groove portion capable of engaging with the claw from one side is formed on the refill.

According to the first aspect of the present invention, when the refill deteriorates, the refill groove can be put in and out of the claw formed on the first vertebra, so that only the refill can be replaced, and the entire wiper can be replaced. You don't have to. This results in effective use of resources and reduction in the burden on consumers. Also, depending on the specifications of the refill, there are a refill for wiping raindrops and a refill for removing snow, but in the case of such replacement, only the refill needs to be replaced, and the entire wiper does not need to be replaced. . This also results in effective use of resources and reduction of the burden on consumers. Further, since the combined body of the first vertebra and the second vertebra is held by the claws, the overall height is reduced, the rolling during the operation of the wiper is reduced, and the abrasion resistance of the refill is improved.

According to a second aspect of the present invention, in the wiper according to the first aspect, the connecting member is rotationally biased toward the wiping surface by the driving member.

According to the second aspect of the present invention, since the connecting member is rotationally urged toward the wiping surface by the driving member, the wiping surface is provided in spite of the wiper having no lever serving as a pressing member. It can be pressed evenly. Further, since the vertebra is connected and supported, the refill is reliably supported by the connecting member via the vertebra.

[0009] The invention of claim 3 is claim 1 or claim 2.
Wherein the first and second vertebras are connected and supported by fitting a central portion and both ends supporting the connecting member.

According to the third aspect of the present invention, the first and second vertebras can be connected and supported only by fitting the center and both ends of the first vertebra and the second vertebra, so that the assembly is simple and easy.

The invention according to claim 4 is the invention according to claims 1 to 3.
The wiper according to any one of the above, wherein a cover having a cross-sectional shape formed by urging the refill against the wiping surface against wind pressure is attached to the first vertebra.

According to the fourth aspect of the present invention, the refill can be pressed against the wiping surface by the cover, so that not only floating of the wiper can be prevented, but also decorative addition is possible.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to FIGS. Components that are the same as those shown in FIGS. 18 to 20 will be described using the same reference numerals.

In FIG. 1, reference numeral 10 denotes a wiper of the present invention. The wiper 10 includes an elongated refill 11 capable of wiping a wiping surface 2a of a wiping member 2 such as a front window panel of an automobile; A planar first vertebra 12 formed so as to be able to be held in a state of being engaged with the holding portion 11a of the refill 11;
And a second vertebra 13 for providing an elastic force for holding the refill 11 against the wiping surface 2a by being formed with a curvature larger than the wiping surface 2a, and a drive capable of wiping the refill 11 A member 5, a connecting member 14 connecting the driving member 5 and the first and second vertebras 12, 13, and a wiping surface 2 engaged with the first vertebra 12 and wiping the refill 11 against wind pressure;
and a cover 25 having a cross-sectional shape that is pressed and urged toward the a side.

The refill 11 is provided with the holding portion 11a.
, A wiping portion 11b, and a neck portion 11c formed between the holding portion 11a and the wiping portion 11b. The holding portion 11a is formed in a square cross section, as shown in FIG. Two first and second grooves 15 and 16 are formed on both sides 11aa of the holding portion 11a at positions vertically separated from each other, and the first groove 15 is made of flat spring steel from both sides. The third vertebras 17, 17 are inserted and supported. The second groove 16 is equivalent to a “groove”, and as shown in FIGS. 1 and 14, one long side 16 a is closed, and as shown in FIGS. 1 and 12, the other 16 b is opened. ing.

As shown in FIGS. 3 to 9, the first vertebra 12 is made of a stainless steel plate having a thickness of 0.6 mm, and is formed of a long flat plate having a total length of about 550 mm and a total width of 12 mm. I have. A plurality of claws 18 having a width of 3 mm are formed on the side surface, and a notch 19 having a width of 1 mm is formed in the longitudinal direction of the upper surface.
Are formed over substantially the entire length. A first engaging portion 20 is formed in the middle of the first vertebra 12, and long first openings 21 and 21 are formed at both ends thereof. On both end sides of the first vertebra 12, second engagement portions 22 are formed to bridge between the notches 19. A third engaging portion 23 is formed between the first engaging portion 20 and the second engaging portion 22 by appropriately bridging between the notches 19. Second and third openings 24 and 26 are formed at both ends of the second engaging portion 22 and the middle of the third engaging portion 23.

As shown in FIGS. 3 and 4, the claw 18 is positioned at a position of 6 mm in the width direction between the notches 18a, 18a formed with a width of 1 mm in the long direction (longitudinal direction). From 5 mm in the longitudinal direction (longitudinal direction) and 6.4 mm on the lower side. The free end 18b of the claw 18 is formed horizontally along the first vertebra 12, and the gap 18c between the free ends 18b, 18b shown in FIG.
It has a width of millimeters. Also, the nail 18
As a result, the combined body of the first vertebra 12 and the second vertebra 13 is held, so that the overall height is reduced, rolling during operation of the wiper 10 is reduced, and the wear resistance of the refill 11 is improved.

The first engaging portion 20 is formed in the middle of the length of the first vertebra 12 and is 6 mm in the width direction, 10 mm in the long direction (longitudinal direction), and has a depth of 1 mm. At the position of .4 mm, the first
The notch 19 of the vertical bra 12 is bridged.
The second engaging portions 22 are formed at both ends of the first vertebra 12, and are located at a position of 6 mm in the width direction, 4 mm in the longitudinal direction (longitudinal direction), and 1.4 mm in depth. The notch 19 of the first vertebra 12 is bridged. The third engaging portion 23 is formed between the first engaging portion 20 and the second engaging portion 22 of the first vertebra 12, and has a width of 6 mm and a lengthwise direction (long side). Direction) at a position of 6 mm and a depth of 1.4 mm.
The two notches 19 are cross-linked.

The first opening 21 has an opening of 6 mm in the width direction and about 25 mm in the longitudinal direction (longitudinal direction). As shown in FIG. , 21a are erected on the lower side.

A first stopper 27 and a second stopper 28 each having a diameter of 2 mm are formed outside the center of the first vertebra 12 to protrude therefrom.
The connecting member 14 is guided by rising up the 15-degree slope 27a of the first and second stoppers 27 and 28.
It is formed to be engaged within.

As shown in FIG. 10, the second vertebra 13 is made of a stainless steel plate having a thickness of 1.0 mm, has a total length of about 550 mm when expanded and a total width of 6 mm, and has a center below the center of the entire length. Radius 3 with part
It is formed in a long circular plate of 00 mm.
In the middle of the elongate direction, 9 mm in the elongate direction,
A fourth engaging portion 29 raised 2 mm upward is formed. The terminal of the second vertebra 13 has a fifth engaging portion 30 which is 4 mm long in the longitudinal direction, rises 2 mm upward, and has a 60-degree chamfer.

Next, a description will be given of how the wiper 10 constructed as described above is assembled. First, the first vertebra 1
2 and the second vertebra 13, as shown in FIG.
The first engaging portion 2 of the first vertebra 12 is arranged such that the second vertebra 13 is disposed above the first vertebra 12.
The fourth engaging portion of the second vertebra 13 is engaged with the upper side of the zero. Next, the terminal of the second vertebra 13 is inserted through the first opening 21 of the first vertebra 12, and the second engagement portion 22 is inserted into the second engagement portion 22 through the second opening 24 of the first vertebra 12. The fifth engaging portion 30 is locked.
In this way, the first vertebra 12 having a flat plate shape is held by the second vertebra 13 having an arc shape so as to be bent in an arc shape. That is, by appropriately setting the curvature, plate thickness, hardness, and the like of the second vertebra 13, it is possible to appropriately cope with the pressing force from the driving member 5, the curve of the wiping member 2, and the like.

Next, as shown in FIG. 12, the other opened portion 16b of the second groove 16 of the refill 11 is applied to the claw 18 of the assembled first and second vertebra brass 12 and 13, and FIG. As shown in FIG. 13, the second groove 16 and the claw 18 are engaged by being shifted to the right. Then, as shown in FIG. 14, when the claw 18 reaches the closed one 16a of the second groove 16, as shown in FIG. 15, the cap 31 having an L-shaped cross section engaged with the first vertebra 12 as shown in FIG. Hit. At this time, at the same time, the free end of the claw 18 rides over the protrusion (not shown) of the second groove 16 and re-enters the recess of the second groove 16, so that the refill 11 is formed.
Can be prevented from falling off from the assembled first and second vertebra bras 12 and 13, and the sliding operation is completed. The refill 11 is composed of a first vertebra 12 and a second vertebra 12 which are fixed in an arcuate state.
Since the refill 11 is held by the assembled with the vertebra 13, the refill 11 itself has an arc shape.

The cap 31, as shown in FIG.
Although it is in contact with the end of the cover 25,
As shown in FIG. 16, the leg 25a of the cover 25 is
Notch 19 from second opening 24 of first vertebra 12
And is supported by engaging with the notch 19.

The cover 25 is provided above the first vertebra 12 and the second vertebra 13 so as to protect the first vertebra 12 and the second vertebra 13 made of flexible rubber or plastic. So it is held. The cross section of the cover 25 has one lower side and the other higher side, and the high portion is formed in a bank-like shape, and is formed in a shape easily susceptible to wind pressure and the like due to traveling. Since the wiping portion 11b of the refill 11 is designed so as not to float from the wiping surface 2a of the wiping member 2, the wiping property is maintained.

When the wiping portion 11b of the refill 11 is deteriorated, the wiper 10 having the above-described structure allows the claw 18 formed on the first bartabur 12 to be inserted into and out of the second groove 16 of the refill 11, so that only the refill 11 Can be replaced, and the entire wiper 10 does not need to be replaced. This results in effective use of resources and reduction in the burden on consumers. Further, depending on the specifications of the refill 11, there are a refill for wiping raindrops and a refill for removing snow, but in the case of such replacement, only the refill 11 has to be replaced, and the entire wiper 10 does not need to be replaced. Will be. This also results in effective use of resources and reduction of the burden on consumers. In addition, the combined structure of the first and second vertebra bras 12 and 13 is held by the claws 18, so that the overall height is reduced, the rolling during the operation of the wiper 10 is reduced, and the wear resistance of the refill 11 is improved. I do.

Since the first vertebra 12 and the second vertebra 13 are formed to be bent in an arc shape, the refill 11 supported by the first vertebra 12 and the second vertebra 13 is urged to rotate toward the wiping surface 2a. Despite being a wiper without such a pressing means, it can be pressed flush against the wiping surface 2a. Further, since the first and second vertebras 12 and 13 are connected and supported, the first and second vertebras 13 and 13 are connected and supported.
The refill 11 is securely supported by the connecting member 14 via the second vertebras 12 and 13.

The first vertebra 12 and the second vertebra 13 are connected to each other by a first engaging portion 20 and a fourth engaging portion 29 at a central portion, and by a second engaging portion 22 at both ends. 5 only by engaging with the engagement portion 30,
13 can be connected and supported, so that assembly is simple and easy.

Further, since the refill 11 can be pressed against the wiping surface 2a by the cover 25, it is possible not only to prevent the wiper 10 from being lifted up, but also to add decoratively.

[0030]

According to the first aspect of the present invention, when the refill is deteriorated, the refill groove can be put in and out of the claw formed in the first vertiver so that only the refill can be replaced, and the entire wiper can be replaced. Need not be replaced. This results in effective use of resources and reduction in the burden on consumers. Also, depending on the specifications of the refill, there are a refill for wiping raindrops and a refill for removing snow, but in the case of such replacement, only the refill needs to be replaced, and the entire wiper does not need to be replaced. . This also results in effective use of resources and reduction of the burden on consumers. Further, since the combined body of the first vertebra and the second vertebra is held by the claws, the overall height is reduced, the rolling during the operation of the wiper is reduced, and the abrasion resistance of the refill is improved.

According to the second aspect of the present invention, since the connecting member is urged to rotate toward the wiping surface by the driving member, the wiping surface is provided despite the wiper having no lever as the pressing member. It can be pressed evenly. Further, since the vertebra is connected and supported, the refill is reliably supported by the connecting member via the vertebra.

According to the third aspect of the present invention, the first and second vertebras can be connected and supported only by fitting the center and both ends of the first vertebra and the second vertebra, so that the assembly is simple and easy.

According to the fourth aspect of the present invention, since the refill can be pressed against the wiping surface by the cover, the wiper can be prevented from being lifted up and decoratively added.

[Brief description of the drawings]

FIG. 1 is a perspective view of an embodiment of a wiper according to the present invention.

FIG. 2 is an enlarged sectional view taken along line SA-SA of FIG.

FIG. 3 is a plan view of a first vertebra in FIG. 1;

FIG. 4 is a side view of FIG. 3;

FIG. 5 is a sectional view taken along line SB-SB in FIG. 4;

FIG. 6 is a sectional view taken along the line SC-SC of FIG. 4;

FIG. 7 is a sectional view taken along the line SD-SD in FIG. 4;

FIG. 8 is a sectional view taken along the line SE-SE of FIG. 4;

FIG. 9 is a side view taken along the arrow F in FIG. 4;

FIG. 10 is a side view of the second vertebra in FIG. 1;

11 is a sectional view of the first and second vertebras in FIG. 1 in an assembled state.

FIG. 12 is a side view in a state before assembling a refill in an assembly of the first and second vertebras in FIG. 1;

FIG. 13 is a side view of a state where the refill is started to be assembled in the assembly of the first and second vertebras of FIG. 1;

FIG. 14 is a side view of the assembled state of the first and second vertebras in FIG. 1 after a refill has been assembled;

FIG. 15 is a side view of the terminal on the other side of the assembly of the first and second vertebras in the state of FIG. 15;

FIG. 16 is an exploded perspective view showing a state before a cover is assembled to the first vertebra in FIG. 1;

FIG. 17 is a sectional view taken along the line SG-SG in FIG. 2;

FIG. 18 is a perspective view of a conventional wiper.

FIG. 19 is an enlarged explanatory view showing a central portion and a terminal portion in FIG. 18;

FIG. 20 is a sectional view of FIG. 18;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 10 Wiper 2 Wiping member 2a Wiping surface 3, 11 Refill 3a, 11a Refill holding portion 3b, 11B Refill wiping portion 5 Driving member 6, 14 Connecting member 12 First vertibra 13 Second vertibra 16 Second groove (groove) ) 18 nails 25 cover

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Masatoshi Kobayashi 3-21-1-1-21 Ikejiri, Setagaya-ku, Tokyo Peer Co., Ltd. (72) Inventor Yuya Hanaka 3-2-1-1-21, Ikejiri, Setagaya-ku, Tokyo 3D025 AC01 AD02 AE09 AE20

Claims (4)

[Claims] An elongated refill capable of wiping a wiping surface, a first planar vertebra which is formed so as to be held in a state of being engaged with a holding portion of the refill and imparts elasticity to the refill, A second vertebra engaged with the first vertebra and formed with a curvature larger than the wiping surface, a driving member capable of wiping the refill, and a connecting member connecting the driving member and the first vertebra; A wiper which is intermittently formed on the first vertebra and capable of holding the holding portion of the refill, and a groove which is engageable with the claw from one side. Is formed. 2. The wiper according to claim 1, wherein the connecting member is urged to rotate toward the wiping surface by the driving member. 3. The wiper according to claim 1, wherein the first vertebra and the second vertebra are coupled by fitting a central portion and both ends supporting the connecting member. A wiper characterized by being supported. 4. The wiper according to claim 1, wherein the refill is pressed against the wind pressure toward the wiping surface with respect to the wind pressure. A wiper characterized by having a shaped cover.