Invention Grant
- Patent Title: Hoisting system
-
Application No.: US16098873Application Date: 2017-05-04
-
Publication No.: US10745974B2Publication Date: 2020-08-18
- Inventor: Atle Slettene , Tord Aslak Aslaksen
- Applicant: MHWIRTH AS
- Applicant Address: NO Kristiansand
- Assignee: MHWIRTH AS
- Current Assignee: MHWIRTH AS
- Current Assignee Address: NO Kristiansand
- Agent Norman B. Thot
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@609a8339
- International Application: PCT/NO2017/050108 WO 20170504
- International Announcement: WO2017/192046 WO 20171109
- Main IPC: E21B15/02
- IPC: E21B15/02 ; E21B19/00 ; E21B19/02 ; E21B19/084 ; E21B19/086 ; E21B19/09

Abstract:
A hoisting system includes a hoisting cylinder assembly which is arranged vertically. The hoisting cylinder assembly includes at least one hoisting cylinder, a lower part, and an upper part, the upper part being moveable in relation to the lower part. At least one sheave is arranged in the upper part of the hoisting cylinder assembly. A winch which includes a base is fixed in relation to the lower part. A first wire is operatively connected to the winch and extends from the winch via the at least one sheave to a yoke so as to suspend the yoke from the at least one sheave.
Public/Granted literature
- US20190145185A1 HOISTING SYSTEM Public/Granted day:2019-05-16
Information query