The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 1984
Filed:
Mar. 10, 1982
Akio Yagasaki, Tokyo, JP;
Masaki Watanabe, Saitama, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A wiper device capable of increasing urging force of a wiper blade against a windshield of a vehicle during wiping operation and decreasing urging force of the wiper blade during out of service thereof and resting the blade at its resting zone of the windshield. The wiper device comprises the wiper blade, a wiper arm having one end pivotably supporting the wiper blade, a drive means for providing swinging movement of the wiper arm, at least one biasing spring having one end connected to the wiper arm and a movable unit adapted to change biasing force of the spring, the spring having the other end connected to the movable unit. The wiper arm has the other end pivotally connected to a wiper head coupled to a wiper shaft driven by a drive means.