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:
Jun. 27, 2000
Filed:
Jul. 14, 1998
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
There is provided a reactor internal equipment hoisting apparatus which is hung down from an upper side of a reactor pressure vessel to hoist reactor internal equipment installed inside the reactor pressure vessel. The hoisting apparatus includes a supporting unit which is hung down from the upper side of the reactor pressure vessel with an overhead travailing crane installed on the ceiling of the reactor building, and an elevating unit which is arranged below the supporting unit. A coupling/fixing unit is provided to the elevating unit to be releasably coupled with a hoisting lug. Power hoist using a wire rope or a chain is provided to the supporting unit. The elevating unit is hung down from the supporting unit via the rope or the chain to be moved vertically. This reactor internal equipment hoisting apparatus is easy in maintenance and storage.