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:
Jun. 27, 2017
Filed:
Mar. 23, 2015
Komatsu Ltd., Minato-ku, Tokyo, JP;
Katsuhiro Tsutsumi, Hitachinaka, JP;
Takehito Takahashi, Hitachinaka, PA (US);
KOMATSU LTD., Tokyo, JP;
Abstract
A ladder in a multi-step structure includes: first front and rear connecting members that are connected to a vehicle body and between a wheel and an end of the vehicle body and that are juxtaposed with a predetermined space; a first step board that is connected between respective lower ends of the first front and rear connecting members; second front and rear connecting members, respective upper ends of which are connected to both ends of the first step board; and a second step board that is connected between respective lower ends of the second front and rear connecting members. In the first front and rear connecting members, one near the wheel is fixed to the vehicle body and the other near the end of the vehicle body is connected in a pivotally movable manner to the vehicle body and is foldable.