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. 28, 1994
Filed:
Oct. 08, 1992
Mitsuhiro Kishi, Ashikaga, JP;
Japanic Corporation, Tochigi, JP;
Abstract
A construction machine having a mobile chassis, a boom mounted on the mobile chassis and capable of swinging vertically, and an arm pivotally connected to the boom. An accessory detachable mechanism connects to a tip end of the arm. An accessory is releasably held by the detachable mechanism. The mechanism includes a pivotal four-bar linkage defined in part by the arm. First and second attaching arrangements are associated with the mechanism and releasably engage respective first and second attachment parts provided on the accessory. The first attachment arrangement includes hooks which engage the first attaching part as defined by a connecting pin on the accessory. A pressure cylinder is associated with the mechanism to effect relative engaging or releasing motion between the first and second attaching arrangements.