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. 05, 2012
Filed:
Mar. 24, 2009
Atsushi Kitaguchi, Tsuchiura, JP;
Atsushi Kitaguchi, Tsuchiura, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
A crusher is provided that can quickly return to the operating state from a shutdown state which occurs due to the incorporation of a foreign object. Provided are a crushing rotor, a housingand an anvilsupported by the housing to face a crushing chamber. A leveris disposed on the side opposite the crushing rotorwith respect to the housing, pivotably installed with respect to side frames, and provided with a holding portion for holding the housingto keep a posture where the anvilfaces the crushing chamber. An elastic memberis for biasing the leverat a set biasing force. When the biasing force is exceeded, the leverturns to permit the anvilto turn and retreat from the crushing chamber