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:
Jul. 29, 2003
Filed:
Aug. 23, 2002
Applicant:
Inventor:
Isao Miyazawa, Urawa, JP;
Assignee:
Ishikawajima-Harima Jukogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B66C 1/10 ;
U.S. Cl.
CPC ...
B66C 1/10 ;
Abstract
A stationary frame is in the form of a box body by which mutually telescopic lateral extension frames are slidably supported, thereby providing a spreader which is light in weight and has no bent or torsion of the extension frames. Support of the extension frames by the support rollers mounted on the opposite ends of the stationary frame reduces the drive force upon extension or contraction of the extension frames, and provision of the rail and cushioning member between the extension frames and the stationary frame reduces the impact load applied on the extension frames when the spreader is hoisted down onto the container.