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. 10, 1995
Filed:
Dec. 08, 1993
Roger D Luebke, Hartford, WI (US);
Harnischfeger Corporation, Brookfield, WI (US);
Abstract
A floor-running stacker crane comprising a non-linear floor rail, a non-linear overhead rail, a base supported for movement along the floor rail, a turntable, a rotate bearing supporting the turntable on the base for rotation of the turntable relative to the base about a generally vertical axis, a rotate drive for rotating the turntable relative to the base, a mast having a lower end fixed to the turntable such that the mast rotates with the turntable relative to the base, the mast also having an upper end supported for movement along the overhead rail, a carriage moveable vertically relative to the mast, a hoist assembly for moving the carriage vertically relative to the mast, a load engaging mechanism, a rotate bearing supporting the load engaging mechanism on the carriage for rotation relative to the carriage about a generally horizontal axis, and a tilt drive for rotating the load engaging mechanism relative to the carriage.