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:
Aug. 30, 1988
Filed:
Oct. 14, 1986
Applicant:
Inventor:
Shinji Yamasaki, Inazawa, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
187 20 ; 187 28 ; 187106 ;
Abstract
A load detecting apparatus for an elevator for detecting a torsion generated on a rotary shaft of a traction sheave for driving an elevator cage and a counterweight in accordance with a difference between the load of the cage and the counterweight, so that the apparatus is capable of detecting with precision an unbalanced load, even when the passengers are standing on one side of the cage platform.