JP2002029390A - Wiper for winter season use - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wiper for winter season use, capable of easily holding a detachable member by surely supporting a fixed member and the detachable member of a waterproof stopper without using an adhesive and preventing the entry of snow between the fixed member and the detachable member. SOLUTION: The wiper 9 for winter season use has the waterproof stopper 8 constructed by the fixed member 9 and the detachable member 10. The fixed member 9 is supported by a vertebra 4 for blocking an opening portion 7a of a cover 7 with water tightness and provided with an inlet/outlet adaptable for the attachment/detachment of a blade member 3. The detachable member 10 is threaded to a threaded portion 14b formed on the fixed member 9 for setting the cover 7 on the fixing member 9 so as to be threadable/separatable in the longitudinal direction and preventing the attachment/detachment of a holding portion 3a of the blade member 3 in the state of being supported by the fixed member 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a windshield wiper for use in a cold region or in winter, which can wipe off rainwater and dust attached to windows such as front wind panels of vehicles such as automobiles, aircraft and ships. About.

[0002]

2. Description of the Related Art A conventional winter wiper is disclosed, for example, in JP-A-10-16719. According to this configuration, it is not necessary to replace the entire winter blade with the deterioration of the blade member (2), and only the blade member (2) needs to be replaced, so that the blade member (2) capable of wiping the wiping surface (1) can be used. A vertibra (3), which is formed so as to be able to freely move in and out of the holding portion (21) of the blade member (2) and to hold the blade member (2) in an engaged state, and to impart elasticity to the blade member (2); A driving member (8) capable of wiping the blade member (2), a holding lever mechanism interposed and supported between the vertebra (3) and the driving member (8), and a cylinder having openings formed at both ends. A water-proof cover (7), which is formed in a shape and covers a part of the vertebra (3), the holding lever mechanism, and the blade member (2) other than the wiping part (20); and the blade part. (2) is attached to at least one end of the cover (7) so as to prevent the drop from the holding lever mechanism, and prevents water droplets from entering the opening of the cover (7) and freezing. A structure including a stopper (10) is disclosed.

[0003]

However, in such a winter wiper, in order to securely support the fixing member (91) of the waterproof stopper (10) on the cover (7), it is fixed to the cover (7). Since the adhesive is applied to the gap with the member (91), the adhesive may overflow from the gap, and the appearance is impaired. Further, the adhesive may reach the blade member (2) through the gap between the two members (7, 91). In such a case, the blade member (2) may be adhered to other parts and cannot be removed. There is. In addition, it takes time for the adhesive to solidify, and a long total time for commercialization is required. Further, the adhesive may adhere to other parts, and in such a case, the merchantability is impaired.

Further, the structure of the waterproof stopper (10) is of a type in which the detachable member (92) moves up and down with respect to the fixing member (91) and the waterproof stopper (10) is exposed. The direction of the gap between the member (91) and the attaching / detaching member (92) is a direction in which snow or the like easily enters, and there is a possibility of freezing, and thus improvement is required. Also, the detachable member (92) of the waterproof stopper (10) is fixed to the fixing member (9).
When detaching from (1), use a finger or a tool to remove
The elastic engaging claw (921) of (2) can be removed from the insertion groove (915) of the fixing member (91) by bending it inward and pushing it in.
21), the waterproof stopper (1)
0) may fall off and be lost.

In view of the above, the present invention provides a means for fixing the waterproof stopper fixing member and the detachable member so that the waterproof stopper can be reliably supported without using an adhesive, and snow or the like is interposed between the fixed member and the detachable member. It is an object of the present invention to provide a winter wiper that is hard to penetrate and that easily holds a detachable member.

[0006]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a blade member capable of wiping a wiping surface, and a state in which a holding portion of the blade member is freely inserted into and removed from the blade member. A vertebra that is formed so as to be capable of holding and imparts elasticity to the blade member, a drive member that can wipe and drive the blade member, a holding lever mechanism that is interposed and supported between the vertebra and the drive member, and an opening at both ends. A cover having a waterproof shape that covers a portion of the vertical member, the holding lever mechanism, and the blade member other than the wiping portion, and prevents the blade member from falling off from the holding lever mechanism. And a waterproof stopper attached to at least one end of the cover to prevent water droplets from entering through the opening of the cover. In the above-mentioned winter wiper, the waterproof stopper is constituted by a fixing member and a detachable member, and the fixing member is supported by an end of the vertebra and watertightly closes the opening of the cover. And an insertion / removal port through which the holding portion of the blade member can be attached / detached is formed. The blade member can be detachably connected to and fixed to the fixing member, and the holding portion of the blade member is prevented from being attached or detached while being supported by the fixing member.

According to the first aspect of the present invention, the detachable member can be screwed into and removed from the screw portion formed on the fixed member from the longitudinal direction of the cover, and the detachable member is supported by the fixed member. In this state, the attachment / detachment of the holding portion of the blade member is prevented, so that the blade member can be replaced. Further, the detachment of the detachable member from the fixed member only requires rotating the detachable member, so that the workability is remarkably improved. In addition, since the fixing member can securely support the detachable member without using an adhesive, the adhesive overflows from the gap, or the blade member cannot be detached by being fixed to another part through the gap. And conventional problems such as requiring a lot of total time for commercialization are eliminated.

According to a second aspect of the present invention, there is provided the winter wiper according to the first aspect, wherein a packing made of a waterproof elastic member is interposed between the fixing member and the detachable member. .

According to the second aspect of the present invention, even if snow or the like enters between the fixing member and the detachable member, the packing is made of a waterproof elastic member interposed between the fixing member and the detachable member. Thereby, it is possible to reliably prevent the snow and water droplets from entering any more, and to always allow the blade member to be detached. Since the packing has elasticity, it has an effect of preventing the fixing member and the detachable member from loosening.

[0010] The invention of claim 3 is claim 1 or claim 2.
Wherein the detachable member has a predetermined tubular shape that is easy to grasp with an operator's finger.

According to the third aspect of the present invention, the predetermined tubular attaching / detaching member which is easy to grasp with the operator's finger is easy to grasp and easy to hold in the hand. Even if it has a detachable member, it is difficult to drop it, and workability is remarkably improved.

The invention according to claim 4 is the invention according to claims 1 to 3.
The winter wiper according to any one of the above,
A groove, which is a thin plate-shaped member such as a coin, is formed on a surface of the attaching / detaching member on the side opposite to the fixing member, the groove being rotatable in a direction in which the fixing member is detached from the screw portion.

According to the fourth aspect of the present invention, the groove formed in the detachable member is a thin plate-like member such as a coin, and can be rotated in a direction in which the groove is detached from the screw portion of the fixed member. Therefore, the blade member can be easily replaced without any tools.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to FIGS.

In FIG. 1, reference numeral 1 denotes a windshield wiper, the windshield wiper 1 is a blade member 3 capable of wiping a wiping surface 2 such as a front wind panel of an automobile, and a holding member for the blade member 3. A vertical bar 4 which is formed so as to be capable of taking the part 3a in and out and is held in an engaged state, and imparts elasticity to the blade member 3, a driving member 5 capable of driving the blade member 3 to be wiped, A holding lever mechanism 6 interposed and supported between the driving members 5, and openings 7 at both ends.
a is formed into a cylindrical shape, and said vertical bra 4,
The holding lever mechanism 6 and the wiping portion 3 of the blade member 3
b) a cover 7 having a waterproof property for covering the parts other than b to prevent snow and ice from adhering thereto, and a cover 7 for preventing the blade member 3 from falling off from the holding lever mechanism 6. A waterproof stopper 8 is attached to at least one end 7a of the opening 7 and prevents water droplets from entering the opening 7a of the cover 7. As shown in FIG. 1, the waterproof stopper 8 is not only installed on both of the covers 7, but also one of them, especially the upper side when wiping the wiping surface 2 such as a front window panel (FIG. 1). Is preferably provided on the right side.

As shown in FIG. 6, the vertebra 4 has a cross section in which a C-shape is turned sideways, and a notch 4a is provided between the holding portion 3a of the blade member 3 and the wiping portion 3b. It is formed so that the formed neck 3c can pass through.

The waterproof stopper 8 comprises a fixing member 9, a detachable member 10, and a packing 11 made of an elastic member interposed between the fixing member 9 and the detachable member 10.

As shown in FIGS. 4 to 6, the fixing member 9 is located at a position between the flange 12 and the cover 7 below the flange 12 and one step below the free end of the flange 12. A fixed portion 13 formed to extend and a support portion 14 formed to extend outside the cover 7 from the flange 12 to a position one step lower than the free end of the flange 12 are made of nylon. And a synthetic resin material such as Duracon.

The flange 12 has a flat surface 12a on the side of the fixed portion 13 extending downward from the free end of the flange 12 at one step.
Is tightly in contact with the terminal of the opening 7a of the cover 7 and is watertightly closed to the terminal of the opening 7a with an adhesive or the like. Further, the blade member 3 is provided on the flange 12.
A notch (not shown) is formed as a T-shaped “access port” through which the neck 3c of the trajectory can pass.

The fixing portion 13 extends from a position lower than the free end of the flange portion 12 by the terminal of the opening 7 a of the cover 7 to the side entering the cover 7. Is formed at the site. The fixing part 13 is
A tongue-shaped engaging piece 13b having a claw 13a engaged and supported by an opening 4b formed on an upper surface of an end 4a of the vertebra 4; and a vertibra formed at a position sandwiching the engaging piece 13b. The extension portion 13 having a U-shaped cross section supported by a portion extending from the upper surface, the side surface, and the lower surface of the end 4a of the end portion 4
c, 13c, and a cut-out portion (not shown) is formed between the lower sides of the extending portions 13c, 13c as an "access port" through which the neck 3c of the blade member 3 can pass. I have. FIG. 6 is a partially cut-out portion of the extended portion 13c for convenience of description, in order to show the engagement piece 13b.

The support portion 14 is formed at a portion extending from the flange portion 12 to the side exposed from the opening 7a of the cover 7. The support portion 14 has a screw portion 14b formed on a peripheral surface of a cylindrical portion 14a formed to extend from the flange portion 12, and the cylindrical portion 14a has
A T-shaped “access opening” through which the neck 3 c of the blade member 3 formed on the flange portion 12 and the fixing portion 13 can pass.
The cutout portion 14c communicating with the cutout portion is formed.

The attachment / detachment member 10 is formed of a synthetic resin material such as nylon or Duracon and has a hollow bottom with a predetermined cylindrical shape which is easy to grasp with an operator's finger. Is formed with a female screw portion 10b that can be screwed into the nude portion 14b, and a thin plate-shaped member such as a coin is formed on the surface 10c on the side opposite to the flange portion 12 with respect to the screw portion 14b of the fixing member 9. Groove 1 that can be rotated in the direction to separate
0d is formed. End 10a of the hollow portion 10a
a is a wiping portion 3b of the blade member 3, as shown in FIG.
It is arranged in a position to hold the end of.

According to the winter wiper 1 thus constructed, the screw portion 14 formed on the fixing member 9 is formed.
b, the detachable member 10 from the longitudinal direction of the cover 7.
Can be screwed and released, and the fixing member 9 can be detachably attached to the fixing member 9.
0 of the blade member 3 while the supporting member 3a is supported.
Since the attachment / detachment of the blade member 3 is prevented, the configuration in which the blade member 3 can be replaced is maintained.

Further, the detachment of the detachable member 10 from the fixed member 9 can be achieved only by rotating the detachable member 10 itself.
Workability is significantly improved.

Also, since the detachable member 10 can be securely supported on the fixing member 9 without using an adhesive, the adhesive overflows from the gap or propagates through the gap to connect the blade member 3 to other parts. The conventional problems such as the inability to remove the blade member 3 itself and the need for a long total time for commercialization are eliminated.

Even if snow or the like enters between the fixing member 9 and the detachable member 10, the packing 11 made of a waterproof elastic member interposed between the fixing member 9 and the detachable member 10 causes the snow. This ensures that no more water or water drops enter the blade member 3 and that the blade member 3 can always be removed. Since the packing 11 has elasticity, it has an effect of preventing the fixing member 9 and the detachable member 10 from loosening.

Further, the detachable member 10 having a predetermined tubular shape that is easy to grasp with the finger of the operator is easy to grasp and easy to hold in the hand.
, It is difficult to drop, and the workability is significantly improved.

The groove 1 formed on the detachable member 10
0d is a thin plate-shaped member such as a coin, which can be rotated in a direction to separate from the screw portion 14b of the fixing member 9, so that the blade member 3 can be easily replaced without any tools. You can do it.

[0029]

According to the first aspect of the present invention, the detachable member can be freely screwed into and removed from the screw portion formed on the fixed member from the longitudinal direction of the cover, and the detachable member can be attached to the fixed member. Since the attachment / detachment of the holding portion of the blade member is prevented in the supported state, the configuration in which the blade member can be replaced is maintained. Further, the detachment of the detachable member from the fixed member only requires rotating the detachable member, so that the workability is remarkably improved. In addition, since the fixing member can securely support the detachable member without using an adhesive, the adhesive overflows from the gap, or the blade member is fixed to another component through the gap and cannot be removed. And conventional problems such as requiring a lot of total time for commercialization are eliminated.

According to the second aspect of the present invention, even if snow or the like enters between the fixing member and the detachable member, the packing is made of a waterproof elastic member interposed between the fixing member and the detachable member. Thereby, it is possible to reliably prevent the snow and water droplets from entering any more, and to always allow the blade member to be detached. Since the packing has elasticity, it has an effect of preventing the fixing member and the detachable member from loosening.

According to the third aspect of the present invention, the predetermined tubular attaching / detaching member which is easy to grasp with the operator's finger is easy to grasp and easy to hold in a hand. Even if it has a detachable member, it is difficult to drop it, and workability is remarkably improved.

According to the fourth aspect of the present invention, the groove formed in the detachable member is a thin plate-like member such as a coin, and can be rotated in a direction in which the groove is detached from the screw portion of the fixed member. Therefore, the blade member can be easily replaced without any tools.

[Brief description of the drawings]

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

FIG. 2 is a partially exploded perspective view of FIG.

FIG. 3 is an enlarged perspective view of a main part of the winter wiper of FIG. 2;

FIG. 4 is a sectional view taken along the line SA-SA of FIG. 3;

FIG. 5 is an exploded sectional view of FIG. 4;

FIG. 6 is an exploded perspective view of FIG. 4 and FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Winter wiper 2 Wiping surface 3 Blade member 3a Blade member holding part 3b Blade member wiping part 3c Blade member neck 4 Vertical bra 5 Drive member 6 Holding lever mechanism 7 Cover 7a Cover opening 8 Waterproof stopper 9 Waterproof stopper Fixing member of 10 Waterproof stopper attaching / detaching member 10b Female screw of attaching / detaching member 10d Groove of attaching / detaching member 11 Packing 12 Flange of fixing member 14 Supporting portion of fixing member 14b Nude portion of supporting portion

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takeshi Ando 32-11-1 Ikejiri, Setagaya-ku, Tokyo Peer Inside (72) Inventor Hidemi Miyoshi 3-2-1-1-21 Ikejiri, Setagaya-ku, Tokyo Co., Ltd. (72) Inventor Seiji Suzuki Peer 3-21-1-1-21 Ikejiri, Setagaya-ku, Tokyo Peer Co., Ltd. 72) Inventor Masatoshi Kobayashi 3D 21-25 Ikejiri, Setagaya-ku, Tokyo Peer F-term (reference)

Claims (4)

[Claims] A blade member capable of wiping a wiping surface;
A vertebra, which is formed so as to be able to freely move in and out of the holding portion of the blade member and which can be held in an engaged state, and imparts elasticity to the blade member, a driving member capable of wiping the blade member, the vertebra, and the drive A holding lever mechanism interposed and supported between members, and a waterproof cover that has a cylindrical shape with openings formed at both ends and covers a portion of the vertebra, the holding lever mechanism, and the blade member other than the wiping portion. And a waterproof stopper which is attached to at least one end of the cover so as to prevent the blade member from dropping off from the holding lever mechanism and which prevents water droplets from entering through the opening of the cover. In the wiper for waterproof, the waterproof stopper comprises a fixing member and a detachable member, The member is closed at the opening of the cover in a watertight manner by being supported by the end of the vertebra, and an access port through which the holding portion of the blade member can be attached and detached is formed. By being screwed into a screw portion formed on the fixing member, the cover can be screwed to and detached from the fixing member in the longitudinal direction of the cover, and the blade member holding portion can be attached and detached while being supported by the fixing member. The windshield wiper is characterized in that the windshield is prevented. 2. The winter wiper according to claim 1, wherein a packing made of a waterproof elastic member is interposed between the fixing member and the detachable member. Winter wiper. 3. The winter wiper according to claim 1, wherein the attachment / detachment member has a predetermined tubular shape that is easily gripped by an operator's finger. 4. The winter wiper according to claim 1, wherein a thin plate-shaped member such as a coin is provided on a surface of the detachable member opposite to the fixing member. A wiper for a winter, wherein a groove that can be rotated in a direction in which the screw portion of the fixing member is detached is formed.