Title:
HOOK DEVICE DEDICATED TO LIFTING LINING BOARD
Document Type and Number:
Japanese Patent JP3229731
Kind Code:
B2
Abstract:
PURPOSE: To provide a hook device dedicated to a work for lifting a lining board, equipped with a lock mechanism of such structure as allowing easy operation and ensuring the complete prevention of the disengagement of a hook section during the work as a safety measure for lifting the board.
CONSTITUTION: A hook section H is formed out of a wire engagement section H1 for securing a lifting wire, a hook body section H2 having a section H21 approximately parallel to the upper surface of a lining board B, and a hook type end section H3 having a section approximately parallel to the lower surface of the board B. Also, a lock mechanism L is formed out of a forked section L2 rotatably striding over the section H2, a closing section L3 to block the section L2, a spring S having one end hooked to the rear side of the section H2 and the other end to the section L2 or L3.
Inventors:
Sumiko Matsuyama
Application Number:
JP24350493A
Publication Date:
November 19, 2001
Filing Date:
September 06, 1993
Export Citation:
Assignee:
Sumiko Matsuyama
International Classes:
B66C1/14; B66C1/36; B66C1/66; (IPC1-7): B66C1/14; B66C1/36; B66C1/66
Domestic Patent References:
| JP60197585A | ||||
| JP57151376U |
Attorney, Agent or Firm:
Yoshio Mizuno