US 11,731,589 B2
Wiper arm and method of manufacturing same
Hiroki Tokunaka, Gunma (JP)
Assigned to MITSUBA Corporation, Gunma (JP)
Appl. No. 17/627,683
Filed by MITSUBA Corporation, Gunma (JP)
PCT Filed Jul. 15, 2020, PCT No. PCT/JP2020/027463
§ 371(c)(1), (2) Date Jan. 16, 2022,
PCT Pub. No. WO2021/020123, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 2019-140395 (JP), filed on Jul. 31, 2019; and application No. 2019-140396 (JP), filed on Jul. 31, 2019.
Prior Publication US 2022/0242373 A1, Aug. 4, 2022
Int. Cl. B60S 1/52 (2006.01); B60S 1/34 (2006.01); B60S 1/40 (2006.01)
CPC B60S 1/3429 (2013.01) [B60S 1/34 (2013.01); B60S 1/4006 (2013.01); B60S 1/52 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A wiper arm, swinging a wiper blade that wipes a surface to be wiped, comprising:
an arm head in which a base end is attached to a swing shaft;
an arm shank in which a base end is attached to a tip of the arm head;
an arm piece in which a base end is attached to a tip of the arm shank;
a washer tube disposed along the arm head, the arm shank, and the arm piece;
a washer nozzle attached to a tip of the washer tube; and
a cover member covering at least the surrounding of a part of the arm piece and the washer tube in a longitudinal direction;
wherein the cover member comprises:
a first cover body, having a top wall portion, and a pair of side wall portions protruding from both sides of the top wall portion in a short-side direction of the top wall portion; and
a second cover body, attached to the pair of side wall portions and disposed to face the top wall portion.