JPH0512326U - Wiper - Google Patents

Abstract

(57) [Summary] [Purpose] To ensure that a certain amount of wiping ability can be obtained for windshields. [Structure] A middle portion of a balance arm 6 extending in a direction substantially orthogonal to the wiper arm 4 is connected to the tip of the wiper arm 4 via a universal joint 5, and a wiper blade 7 is connected to one end of the balance arm 6 and the balance arm 6 The balance member 8 is connected to the other end side.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a wiper.

[0002]

[Prior Art]

 Vehicles such as automobiles are equipped with wipers on the windshield surface to ensure visibility in rainy weather.

As shown in FIGS. 4 and 5, a conventional wiper has a wiper blade 2 attached to the tip of a wiper arm 1 which is swingable about its rear end, and the wiper arm 1 is swung. The wiper blade 2 is made to wipe the surface of the wind glass 3.

[0004]

[Problems to be solved by the device]

 However, the conventional wiper described above has the following problems.

That is, as shown in FIG. 5, since the window glass 3 provided on the vehicle is usually curved, the wiper blade 2 is responsive to the position where the wiper blade 2 hits the window glass 3. Therefore, the wiping ability of the wiper blade 2 changes with the change of the angle of the wiper blade 2, and the wiping blade 3 is likely to be left unwiped depending on the position.

Further, when the angle of the wiper blade 2 with respect to the windshield 3 changes, the wiper blade 2 may be chattered.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a wiper capable of constantly obtaining a constant wiping capability for windshields.

[0008]

[Means for Solving the Problems]

 The present invention connects the middle part of a balance arm extending in a direction substantially orthogonal to the wiper arm to the tip of the wiper arm through a universal joint, connects the wiper blade to one end of the balance arm, and balances the other end of the balance arm. It relates to a wiper characterized by connecting members.

[0009]

[Action]

 According to the present invention, the wiper blades on both ends of the balance arm and the balance member keep the angle of the wiper blade with respect to the windshield substantially constant.

[0010]

【Example】

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

1 and 2 show a first embodiment of the present invention.

At the tip of the wiper arm 4 which is swingable around the rear end, an intermediate portion of a balance arm 6 extending in a direction substantially orthogonal to the wiper arm 4 is connected via a universal joint 5 to a longitudinal axis of the wiper arm 4. A balance member 8 such as a guide roller which is swingably connected as a center, has a wiper blade 7 attached to one end side of the balance arm 6, and is rotatable at the other end side of the balance arm 6 following the swing of the wiper arm 4. Install.

Reference numeral 9 in the drawing is a wind glass.

Then, by swinging the wiper arm 4, the wiper blade 7 connected to the tip of the wiper arm 4 via the balance arm 6 moves to wipe the surface of the window glass 9.

At this time, the middle portion of the balance arm 6 is connected to the tip of the wiper arm 4 via the universal joint 5, and the wiper blade 7 and the balance member 8 such as the guide roller are connected to both ends of the balance arm 6. Since the wiper blade 7 and the balance member 8 are made to follow the curved windshield 9 surface at two points, no matter where the wiper blade 7 hits the windshield 9, the balance arm 6 relative to the wiper arm 4 is By changing the angle at the portion of the universal joint 5, the angle of the wiper blade 7 with respect to the window glass 9 is kept substantially constant.

As a result, the wiping ability of the wiper blade 7 with respect to the window glass 9 is always kept constant, and the unwiped portion of the window glass 9 is prevented.

Further, since the angle of the wiper blade 7 with respect to the windshield 9 is kept substantially constant, the chattering of the wiper blade 7 caused by the change of the angle of the wiper blade 7 with respect to the windshield 9 is prevented.

FIG. 3 shows a second embodiment of the present invention, in which a wiper blade similar to the wiper blade 7 is used as the balance member 10.

Except for the above, the configuration is similar to that of the above-described embodiment, and the same action and effect can be obtained, and the two wiper blades 7 and 10 provide a higher wiping ability than the above-described embodiment. Obtainable.

It should be noted that the present invention is not limited to the above-mentioned embodiment, the balance member is optional, and other various modifications can be made without departing from the scope of the present invention. Is.

[0021]

[Effect of the device]

 As described above, according to the wiper of the present invention, it is possible to obtain an excellent effect that a constant wiping ability can be constantly obtained for the windshield.

[Brief description of drawings]

FIG. 1 is a plan view of a first embodiment of the present invention.

FIG. 2 is a diagram showing an angle of the wiper blade of FIG. 1 with respect to a windshield.

FIG. 3 is a view showing an angle of a wiper blade with respect to a windshield according to a second embodiment of the present invention.

FIG. 4 is a plan view of a conventional example.

FIG. 5 is a diagram showing an angle of a wiper blade according to FIG. 4 with respect to a windshield.

[Explanation of symbols]

 4 Wiper arm 5 Universal joint 6 Balance arm 7 Wiper blade 8 and 10 Balance member

Claims (1)

[Scope of utility model registration request] 1. A wiper arm has a tip end connected to an intermediate portion of a balance arm extending in a direction substantially orthogonal to the wiper arm, a wiper blade connected to one end of the balance arm, and a balance end connected to the other end of the balance arm. A wiper characterized by connecting members.