HOISTED LOAD ROCKING CONTROL DEVICE FOR DECK CRANE

Title:

HOISTED LOAD ROCKING CONTROL DEVICE FOR DECK CRANE

Document Type and Number:

Japanese Patent JP2007045550

Kind Code:

A

Abstract:

To automatically attenuating the rocking of a working boat when using a deck crane installed on a mother ship for hoisting up and down the working boat.

This hoisted load rocking control device 20 is provided at the free end of the deck crane 1 mounted on the mother ship 2. It comprises a vertically long hoisted load rocking control device body 22 rockingly provided at the free end of the deck crane, a pair of side arms 23 protruded from the hoisted load rocking control device body, hydraulic shock dampers 24a, 24b bridged in an approximate V-shape between each of the side arms and the hoisted load rocking control device body, a rocking motor type attenuating means 30 provided on the hoisted load attenuating device body for attenuating in a direction crossing the protruding direction of the side arm, and a male joint part 25 provided at the lower part of the hoisted load attenuating device body so as to be joined to a female connector 65 of the working boat.

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Inventors:

WAKESHIMA TAKAO

Application Number:

JP2005229649A

Publication Date:

February 22, 2007

Filing Date:

August 08, 2005

Export Citation:

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Assignee:

MITSUI SHIPBUILDING ENG

International Classes:

B66C13/06; B63B23/52; B66C23/52

Domestic Patent References:

JPH1036081A	1998-02-10
JP2005112622A	2005-04-28

Attorney, Agent or Firm:

Shinichi Ogawa
Takashi Noguchi
Kazuhiko Saishita

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