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:
Jan. 19, 1988
Filed:
Nov. 25, 1985
Applicant:
Inventor:
Ryuichi Kajiyama, Hoji Heights, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
187113 ;
Abstract
Floor re-leveling apparatus including a microprocessor; cage position detectors produce outputs representative of the position of the cage in any one of three sections, a normal floor arrival section, one other section immediately above the normal floor arrival section, and one other section immediately below the normal floor arrival section. A speed reference signal having a preferred characteristic is generated and an actual cage speed signal is compared with the reference signal.