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:
Sep. 09, 1997
Filed:
Feb. 20, 1996
Makoto Ohta, Tokyo, JP;
Eiji Akahane, Tokyo, JP;
Seiichi Hata, Tokyo, JP;
Kenzo Kuroda, Saitama, JP;
Shosuke Sato, Saitama, JP;
Shin Caterpillar Mitsubishi Ltd., Tokyo, JP;
Kansei Corporation, Saitama, JP;
Abstract
An operation prohibiting apparatus for construction equipment of improved controllability. A cutoff bar is positioned is a first position in which the cutoff bar protrudes across the entryway to an operator cab of the construction equipment. The cutoff bar is operationally linked with a locking mechanism for a hydraulic valve system of the construction equipment so that an operating mechanism for the system is unlocked when the cutoff bar is positioned in the first protruding position. A displacement enlarging mechanism is provided between an operating knob and the cutoff bar to facilitate manual positioning of the cutoff bar. Further, the cutoff bar is provided with flexibility to prevent possible damage to the cutoff bar.