OPENING IMPLEMENT OF MANHOLE COVER
PROBLEM TO BE SOLVED: To obtain an opening implement of a manhole cover by which the manhole cover firmly stuck to the frame side with rust, adhesive, etc. can be easily opened. SOLUTION: A fixing part (20) fixing to the cover hole (31) of a manhole cover (30) is provided at the lower part of a hold...
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Main Author | |
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Format | Patent |
Language | English |
Published |
24.09.2004
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To obtain an opening implement of a manhole cover by which the manhole cover firmly stuck to the frame side with rust, adhesive, etc. can be easily opened. SOLUTION: A fixing part (20) fixing to the cover hole (31) of a manhole cover (30) is provided at the lower part of a holder (11). A shock hammer (25) having a handle (28) in the holder (11) is formed to be vertically slidable. A pressure accepter (14) colliding with the shock hammer (25), when the shock hammer (25) moves upward by a specified height, is provided in the holder (11). COPYRIGHT: (C)2004,JPO&NCIPI |
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Bibliography: | Application Number: JP20030055912 |