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:
Apr. 22, 1980
Filed:
May. 26, 1977
Donald E Eineichner, San Jose, CA (US);
Barclay J Tullis, Palo Alto, CA (US);
FMC Corporation, San Jose, CA (US);
Abstract
A method for measuring the length of segments of moving chain includes the steps of measuring the velocity of the chain by timing the interval a point on the chain moves a known distance and timing the interval between the sensing of one end of the segment at one point and the sensing of the opposite end of the segment at another point a known distance from said one point. A method is disclosed to track each carrier in a conveyor system by continuously measuring segments of the chain and maintaining a running total of the chain length between each carrier and a reference point. Apparatus in the conveyor system, including a chain length measuring station, is disclosed.