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:
Mar. 07, 2017
Filed:
Nov. 26, 2013
Applicant:
Kito Corporation, Nakakoma-gun, Yamanashi, JP;
Inventors:
Kazumistu Ishikawa, Yamanashi, JP;
Kosuke Kosuga, Yamanashi, JP;
Assignee:
KITO CORPORATION, Nakakoma-Gun, Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66D 3/16 (2006.01); F16G 13/12 (2006.01); F16G 15/00 (2006.01); F16G 15/12 (2006.01);
U.S. Cl.
CPC ...
B66D 3/16 (2013.01); F16G 13/12 (2013.01); F16G 15/00 (2013.01); F16G 15/12 (2013.01);
Abstract
A chain block is provided including a load chain which hangs a load, and a load sheave member which is rotatably supported between a first frame and a second frame, around which the load chain is wound, and which has a chain pocket in which the load chain goes, the load chain is made of a steel material having the Rockwell hardness C scale (HRC) of 47 to 51, and the load sheave member is made of a steel material in which at least the chain pocket has the Rockwell hardness C scale (HRC) of 40 to 45.