A SCREEN FOR REGULATING GAP AND A MANHOLE HAVING IT
A gap regulating screen is provided to regulate a gap freely in due consideration of regional peculiarities. The gap regulating screen comprises a pair of fixed wall(110) formed in a rectangular shape and provided with a primary long hole(111) and plural backing sawteeth(112), a pair of slide wall(1...
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Main Authors | , , , , , , , , , , |
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Format | Patent |
Language | English |
Published |
30.07.2007
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Subjects | |
Online Access | Get full text |
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Summary: | A gap regulating screen is provided to regulate a gap freely in due consideration of regional peculiarities. The gap regulating screen comprises a pair of fixed wall(110) formed in a rectangular shape and provided with a primary long hole(111) and plural backing sawteeth(112), a pair of slide wall(120) formed in a rectangular shape, provided with a secondary long hole corresponding to the primary long hole and plural regulating sawteeth and slid on the fixed wall to change a gradient of the wing fixed to the fixed wall and the slide wall to regulate a gap, plural wings(130) inserted to the backing sawteeth and the regulating sawteeth to be regulated in a gradient by sliding the slide wall in the upper direction, an operating frame(140) attached to the top of the slide walls to make a pair of slide walls slide together, a fixing frame(160) formed as an operating shaft for the operating frame to regulate the gradient of plural wings, and a sliding rod attached to the operating frame and provided with a thread and a control knob(172) to move the operating frame. |
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Bibliography: | Application Number: KR20070017919 |