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:
Oct. 18, 1977
Filed:
Aug. 06, 1976
Applicant:
Inventor:
Francois Simon, Gresy-sur-Aix, FR;
Assignee:
Precilec, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L / ; G08B / ;
U.S. Cl.
CPC ...
7313 / ; 3402 / ;
Abstract
The invention provides a device for indicating the maximum permissible loads of a lifting appliance wherein a series of potentiometers are adjusted according to the variation of one parameter and control another potentiometer which is adjusted according to a second parameter, and means for assigning reference voltages to the series of potentiometers which means comprise, for each tapping, a series of polarisation circuits in parallel, each circuit providing a regulated voltage and controlled by a switch defining the instantaneous position of operation and simultaneously controlling all the polarisation circuits.