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Patent Searching and Data


Title:
CHAIN JACK
Document Type and Number:
WIPO Patent Application WO/2019/139489
Kind Code:
A1
Abstract:
Chain jack for the tightening of chains, comprising an upper stopper unit (20) and a lower stopper unit (30) with opposite locking pawls where each can be locked to a through-running chain (12) so that they can be detached, and also several drive units (50; 150) to push the upper and lower stopper units (20,30) mutually towards and away from each other, in which the upper and lower stopper units (20,30) each comprises two pairs of locking pawls (20a,20b;22a,22b and 30a,30b;32a,32b, respectively) which engage with mutually adjoining links (12a, 12b,...) in the chain link (12), is described.

Inventors:
LERVIK ARNSTEIN (NO)
Application Number:
NO2019/050005
Publication Date:
July 18, 2019
Filing Date:
January 14, 2019
Export Citation:
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Assignee:
I P HUSE AS (NO)
International Classes:
B63B21/18; B66D1/28; B66D1/72
Domestic Patent References:
WO2017139749A12017-08-17
Foreign References:
US20140026796A12014-01-30
US5934216A1999-08-10
Attorney, Agent or Firm:
ACAPO AS (NO)
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