Abstract: A wiper arm including an arm head having an arm head body and cover member. The cover member is attached to the arm head body and can open and close. The mechanical strength of the arm head can be increased. The arm head includes a head cap which is rotatably attached to rotating shafts and provided on the inner side surfaces of both side sidewalls of an arm head body. When the head cap is in its closed position, a front-side half section of the head cap is disposed between both side sidewalls. On the rear surface of a rear-side half section of the head cap, a cylindrical cap-side fitting section is provided and fits with a nut disposed on the arm head body. The cap-side fitting section includes slits and is formed so that the height in its vertical direction decreases in a front-side portion.

Abstract: There is provided a wiper arm rotatably connecting an arm body to an arm head and including a spring member provided between the arm head and the arm body, the thickness of which is decreased while its mechanical strength is sufficiently maintained. A gap section reaching a pivot shaft hole is provided in a head connection section of a retainer. A recess is provided on a pivot shaft section of an arm head. During the retainer rotates, a straight section of the coil spring moves from the gap section to the recess. When the retainer reaches its upright position, the straight section is disposed within the recess. The pivot shaft section includes a projection disposed within the gap section and in contact with the divided pieces, on the both sides of the gap section.

Abstract: A wiper blade includes blade rubber, a holder body, and a clip. The clip is pivotally connected to the holder body. The clip has an elastic piece and an engagement protrusion. The engagement protrusion engages with an engagement hole provided in a wiper arm. The elastic piece section has a long piece section, a turned-back section, a first bending axis, and a second bending axis. The long piece section extends through a position to a side of the engagement protrusion. The turned-back section extends so as to change the direction of the long piece section in order to connect the front end of the long piece section to the engagement protrusion. The first bending axis and the second bending axis extend so that the engagement protrusion is located between the first bending axis and the second bending axis.

Abstract: A wiper blade with a support assembly has a plurality of levers and housed by covers, which enhances the universality of the required parts and reduces the number of the required parts and thus, the cost of fabrication, while allowing the covers to follow the round contour of a surface to be wiped. The wiper blade includes a primary cover and secondary covers pivotally connected to the primary cover. Each of the secondary covers include a lever guide section through which a yoke lever is slidably movable in a direction longitudinally of the wiper blade.

Abstract: There is provided a wiper arm including a head cover attached to an arm head and securely preventing the head cover from coming off the arm head. A wiper arm (1) includes an engaging protrusion (19) which extends upward and is disposed on a step section (18) formed at a lower end of a dent section (17) formed on a side surface of an arm head (2), and a protruding engagement section (27) formed near a lower end of an inner surface of a side wall (23) of a head cover (4). An opening section (27A) opening downward is formed in the protruding engagement section (27). The engaging protrusion (19) fits into the opening section (27A) along a vertical direction, namely, a direction along the side wall (23). The open end of the side wall (23) of the head cover (4) is thereby prevented from being widened outward so that the head cover (4) is prevented from coming off the arm head (2).

Abstract: A wiper blade with a support assembly has a plurality of levers and housed by covers, which enhances the universality of the required parts and reduces the number of the required parts and thus, the cost of fabrication, while allowing the covers to follow the round contour of a surface to be wiped. The wiper blade includes a primary cover and secondary covers pivotally connected to the primary cover. Each of the secondary covers include a lever guide section through which a yoke lever is slidably movable in a direction longitudinally of the wiper blade.

Abstract: A wiper blade includes blade rubber, a holder body, and a clip. The clip is pivotally connected to the holder body. The clip has an elastic piece and an engagement protrusion. The engagement protrusion engages with an engagement hole provided in a wiper arm. The elastic piece section has a long piece section, a turned-back section, a first bending axis, and a second bending axis. The long piece section extends through a position to a side of the engagement protrusion. The turned-back section extends so as to change the direction of the long piece section in order to connect the front end of the long piece section to the engagement protrusion. The first bending axis and the second bending axis extend so that the engagement protrusion is located between the first bending axis and the second bending axis.

Abstract: A wiper arm including an arm main body pivotably connected to an arm head is provided in which the rotation angle of the arm main body is appropriately restricted while minimizing changes of the structure of the wiper arm from that of a wiper arm capable capable to be positioned in its locked back condition. A wiper arm 1 includes a retainer 3 capable of retaining a wiper blade, an arm head body 2 connected with the retainer 3 through a connection shaft 14 so that the retainer 3 is rotatable between an operational position and an upright position, and a rotation restricting member 30 pivotally connected through pivot shafts 16 provided on inner surfaces 12A of head arm sections 12 of the arm head body 2. The rotation restricting member 30 is pivotable around the pivot shaft 16 between a rotation restricting position and a rotation permitting position. In the rotation restriction position, the rotation restricting member 30 limits the rotation angle of the retainer 3 by contacting against the retainer 3.

Abstract: An arm head includes an end portion to which a retainer is pivotally coupled and a surface covered by a coating. The end portion includes a coupling bore. The coupling bore includes an open end. First and second surfaces of the arm head form an annular recess around the open end that extends continuously from the open end. The radial outer surface extends outward in a radial direction from the annular recess. The first surface extends outward in the radial direction from the open end. The first surface is located inward in an axial direction of the coupling bore from the radial outer surface. The second surface extends from the first surface to the radial outer surface at an angle less than 180° with respect to the first surface.

Abstract: An arm head includes an end portion to which a retainer is pivotally coupled and a surface covered by a coating. The end portion includes a coupling bore. The coupling bore includes an open end. First and second surfaces of the arm head form an annular recess around the open end that extends continuously from the open end. The radial outer surface extends outward in a radial direction from the annular recess. The first surface extends outward in the radial direction from the open end. The first surface is located inward in an axial direction of the coupling bore from the radial outer surface. The second surface extends from the first surface to the radial outer surface at an angle less than 180° with respect to the first surface.

Abstract: A connector (20) for securing a wiper blade to a wiper arm includes a base member (21) including a forward upper portion (32) and a rearward upper portion (33); a locking member (22) for holding either a U-hook portion (12) or a side pin (11) mounted to the base member (21); and a flexible connecting member (23) connecting the locking member (22) to the base member (21). To attach the connector (20) to the side pin (11), the connector is rotated toward the side pin (11) from the opposite side of the side pin (11) so that the side pin (11) fits into a recess (33A) of the rearward upper portion (33). The side pin (11) also fits into the recesses (47 and 48) of the locking member (22) so that the side pin (11) is held between the base member (21) and the locking member (22). The connector enables the firm securing of the wiper blade to the wiper arm so as to restrict vibrations between the wiper blade and the wiper arm.

Abstract: A joint member capable of easily and firmly joining a wiper arm of various types (mainly the U-hook type) to a wiper blade main-body at low cost. The joint member 20 includes a fitting member 21 which a U-hook portion 11 of a wiper arm 10 fits to, a fixing member 22 which holds the hook portion 11 between the fixing member and the fitting member 21, and a flexible connecting portion 23 which connects a rear end 21B of the fitting member 21 and a rear end 22B of the fixing member 22 together. The fitting member 21 is rotatably mounted on a mounting pin 9 of a wiper blade main-body 1 and the angles of the wiper arm 10 and the wiper blade can be changed appropriately during mounting work. The U-hook portion 11 is held between a front transverse plate 41 of the fixing member 21 and a front end 21A of the fitting member 21.

Abstract: A coupling device has a clip and a clip holder. A hook at a distal portion of a wiper arm is attached to the clip. The clip holder has a locking member and a cover. The cover extends along the longitudinal direction of the wiper arm. The cover has a first cover portion and a second cover portion. When the clip holder is located at an engage position where the clip holder is engaged with the clip, the second cover portion extends to connected parts of a boundary between a retainer and an arm piece.

Abstract: A coupling device has a clip and a clip holder. A hook at a distal portion of a wiper arm is attached to the clip. The clip holder has a locking member and a cover. The cover extends along the longitudinal direction of the wiper arm. The cover has a first cover portion and a second cover portion. When the clip holder is located at an engage position where the clip holder is engaged with the clip, the second cover portion extends to connected parts of a boundary between a retainer and an arm piece.

Abstract: An arm head of a windshield wiper device is provided on a backside thereof with an undulated groove formed by sidewalls. The sidewalls have plural hill portions protruding in opposite directions alternately in a width direction of the arm head so as to be opposed to one another in a longitudinal direction thereof. Tops of the hill portions on one width side of the arm head are integrally provided at upper surfaces thereof with projections extending perpendicularly to a depth direction of the groove to overhang the groove. A hose for delivering washer liquid to a washer nozzle is accommodated in the groove and firmly held by the hill portions and the projections without using an extra part such as a clip.

Abstract: A cover of a wiper blade for a vehicle includes a front surface wall and a rear surface wall, which are connected to each other to form a cap-shaped elongated body that has a base end opening at a base end thereof and that receives primary and yoke levers and backing plates, which are connected to a blade rubber. The front surface wall has a tilted outer surface that is tilted relative to a wiping surface to form a fin, which limits lifting of the wiper blade from the wiping surface when the vehicle is running.

Abstract: An arm head has a couple of hinge holes. A cover has a couple of hinge projections. The arm head and the cover are hingedly connected to each other through the hinge holes and the hinge projections. A rotation guide extends radially outwardly from each hinge hole. A protrusion protrudes radially outwardly from each hinge projection and is received in the rotation guide. A locking projection extends from the rotation guide. The locking projection is spaced from an opening movement limiting end of the rotation guide for a distance, which is substantially the same as a width of the protrusion of the hinge projection.

Abstract: An automobile wiper that restricts relative pivoting between the arm and the wiper blade without increasing costs. The automobile wiper includes a wiper blade having an upper wall on which an opening is provided. A clip is supported by a pin in the opening pivotally relative to the wiper blade. The clip has a flange extending perpendicular to the pin. The distal end of the arm is fixed to the clip. Relative pivoting between the clip and the wiper blade is restricted by contact between the flange and the lower surface of the upper wall of the wiper blade.

Abstract: A wiper blade 10 for use in motor vehicles includes a wind deflector 22 which is provided in an air stream and supported in position on a main yoke through a support of reduced width. The wiper blade includes the wind deflector which has been formed to have such a configuration in its cross-section so as to include a plate-like pressure-receiving surface section 28 which is provided along the air stream so as to generate downward forces, an air stream-weir section 30 which is provided to extend from the rear end of the pressure-receiving surface section so as to reduce a velocity of the air stream, and an air stream-splitting section 26 which extends downwardly from the end of the pressure-receiving surface section so as to form a water-weir section below the pressure-receiving surface section.

Abstract: A windshield wiper includes an arm head connected to a driving motor and rotatably connected to a pivot shaft, and a wiper arm supported on the arm head and connected to a wiper blade. The arm head has a first head portion rotatably supported on the pivot shaft, and a second head portion connected to the first head portion and rotatable around an axis which is generally perpendicular to the axis of the pivot shaft. A mechanism is provided for rotating the second head portion with respect to the first head portion in response to the rotation of the first head portion around the pivot shaft.