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:
Aug. 22, 2023
Filed:
Jan. 15, 2020
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
HITACHI CONSTRUCTION MACHINERY CO., LTD., Tokyo, JP;
Abstract
There is provided a construction machine that draws attention from the surroundings of the machine body when the prime mover is started and that can have the operator reliably confirm the surroundings of the machine body before the prime mover is started. An engine start control sectionof a main controllerinhibits an enginefrom starting when a key switchis operated while a horn switchis not operated, inhibits the enginefrom starting when the key switchis operated for the duration until a first set time Telapses after the operation of the horn switchhas been finished, permits the engineto start in a case the key switchis operated for the duration until a second set time Telapses after the first set time Thas elapsed, and inhibits the engineagain from starting when the key switchis operated if the engineis not started for the duration until the second set time Telapses.