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:
Feb. 01, 2000
Filed:
Oct. 23, 1997
Applicant:
Inventors:
Toru Maeda, Tochigi, JP;
Takeshi Hojo, Kuroiso, JP;
Michio Fukano, Ohtawara, JP;
Naoki Sakuraoka, Ohtawara, JP;
Isao Masuzawa, Kuroiso, JP;
Assignee:
Tokimec Inc., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63B / ;
U.S. Cl.
CPC ...
114122 ; 114124 ;
Abstract
An anti-rolling apparatus according to the present invention includes rail members which are formed in straight form and disposed perpendicular to a rolling axis of an object whose rolling is to be reduced, a movable weight capable of reciprocating along the rail members, and two springs for generating a stability force for the movable weight, wherein the two springs are elongated or contracted alternately when the movable weight is reciprocated.