JPH0216348U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1a is a front view illustrating an embodiment of the wiper lifting prevention fin of the wiper device according to the invention, FIG. 1b is a plan view of the front view shown in FIG. 1a, and FIG. FIG. 1 d is a partially omitted rear view of the front view shown in FIG. 1 a, FIG. 1 e is a sectional view taken along the line EE in FIG. 1 b, Figure 1 f is f- in Figure 1 b.
Fig. 1g is a partially omitted sectional view taken along line gg in Fig. 1d, Fig. 1h is a partially omitted sectional view taken along line h-h in Fig. 1d, Fig. 1i is a partially omitted sectional view taken along line gh in Fig. 1d, Fig. 1c is a view omitted from the middle part when viewed from the direction of arrow i, Fig. 1j is a right side view of the fin auxiliary part 3 portion in Fig. 1i, Fig. 1k
is a cross-sectional view omitted from both ends of the line k--k in Figure 1 i,
Figure 1 is a cross-sectional view of Figure 1 i viewed from the l direction with both ends omitted, Figure 1 m is a cross-sectional view of one end taken along line mm in Figure 1 i, and Figures 2 a and b are FIG. 1 is a perspective view of the wiper lifting prevention fin shown in FIG. Figure 4 is a partially fragmented perspective view with the middle part omitted, illustrating the first conventional wiper lifting prevention fin, and Figure 5 is the operating position and airflow of the wiper arm to which the wiper lifting prevention fin explained in Figure 4 is attached. FIG. 6 is a partially fragmented perspective view with the middle part omitted, illustrating the wiper lifting prevention fin of the second conventional example, and FIG. 7 shows the wiper lifting prevention fin explained in FIG. 5. FIG. 6 is an explanatory diagram showing the relationship between the operating position of the attached wiper arm and the direction of airflow. 1... Wiper lifting prevention fin of wiper device, 2... Fin main body, 2a, 2d, 3a...
Wind receiving surface, 2c, 2e... Wind receiving part, 3... Fin auxiliary part.

Claims (1)

[Scope of utility model registration request] In a wiper device in which a wiper lifting prevention fin is provided in the vicinity of a connecting portion between a wiper arm and a wiper blade, the wiper lifting prevention fin has a lower part reversed by airflow that is approximately parallel to the wiper blade and rises along the windshield surface. The fin main body has a wind receiving surface that presses the wiper arm in the position toward the windshield. A wiper lifting prevention fin for a wiper device, characterized by comprising a fin auxiliary part having a wind receiving surface that presses a wiper arm located between an inverted position and an upper inverted position toward a windshield.