BLADE DEVICE

At the back face of a main blade body (21) is provided mounting parts (38), each with a box structure having a mounting hole (40), which is opened in the width direction and with which the cross section in the direction intersecting the width direction is non-circular. At the back face of each width...

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Bibliographic Details
Main Authors OBINATA, SHIGERU, ONO, MEIICHI
Format Patent
LanguageEnglish
French
German
Published 25.05.2005
Edition7
Subjects
DREDGING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
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Summary:At the back face of a main blade body (21) is provided mounting parts (38), each with a box structure having a mounting hole (40), which is opened in the width direction and with which the cross section in the direction intersecting the width direction is non-circular. At the back face of each width expansion blade body (22) is provided a fitting part (54), which is removably inserted into a mounting hole (40) of the main blade body (21) . Alatchingmember (23) is provided for latching of the fitting part (54) that has been fitted in the mounting hole (40) . For width expansion, a fitting part (54) is fitted from the outer end side of a mounting hole (40) to position the width expansion blade body (22) at an end part of the main blade body (21). For housing, a fitting part (54) is fitted from the inner end side of a mounting hole (40) to house and position the width expansion blade body (22) at the back face side of the main blade body (21) . In the width-expanded state, loads applied to a width expansion blade body (22) are received by the corresponding mounting part (38) with a box structure to lighten the burden placed on the latching member (23) and enable the latching member (23) to be attached and removed readily.
Bibliography:Application Number: EP20030717641