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Document Type and Number:
Japanese Patent JP6686847
Kind Code:
PROBLEM TO BE SOLVED: To provide a recovery device of which lowering of working efficiency can be suppressed when recovering a door pull.SOLUTION: A door pull is provided on a rear end of a shank, and comprises a head which hooks on a front end part when performing drawing process. The head includes an inward flange which is provided at a rear end of the head, and has an annular shape when viewed from the rear. A recovery device comprises: an operation rod which is inserted in a metal pipe from a rear end of the metal pipe; and a jig which is provided on a front end of the operation rod, and which includes a hook part having a connection part which extends along a cross direction, and a claw part which extends downward from a front end of the connection part. The hook part is vertically movable. By advancement of the jig, the claw part rides over an inner peripheral surface of the flange part, and the hook part hooks on the flange part.SELECTED DRAWING: Figure 3

Koichi Kuroda
Shuji Otao
Yasunaga Daisaku
Kazuya Nakane
Application Number:
Publication Date:
April 22, 2020
Filing Date:
November 11, 2016
Export Citation:
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Nippon Steel Corporation
International Classes:
Domestic Patent References:
Attorney, Agent or Firm:
Ascend Patent Business Corporation