Retaining device

E - Fixed Constructions – 02 – F

Patent

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Details

E02F 3/40 (2006.01) E02F 3/60 (2006.01) E02F 9/28 (2006.01)

Patent

CA 2107005

A digging bucket has a lip, a lip aperture with a forward surface, a digging component mounted on the lip, and a component retaining device. The device comprises a keeper wedge with protrusions bearing against the component and a wedge member interposed between the forward surface and the component. In the improvement, the keeper wedge has at least one angled face and the wedge member has a pair of angled faces, at least one of which bears against the angled face of the keeper wedge. The wedge member is retained in position by a tension bolt extending through the aperture. Several embodiments are disclosed with wedge members having one or two wedges to urge the keeper wedge (and thus the digging component) rearward tightly against the lip.

Benne d'excavation comprenant un bec, une ouverture de bec avec une surface avant, une composante servant à creuser montée sur le bec et une composante constituée d'un dispositif de retenue. Ce dernier comporte une cale de blocage munie de protubérances s'appuyant sur cette composante et la section de la cale qui est intercalée entre la surface avant et cette composante. Avec le perfectionnement apporté, la cale de blocage comporte au moins une face oblique et la cale deux faces obliques, l'une des deux au moins s'appuyant sur la face oblique de la cale de blocage. La section de la cale est maintenue en position grâce à une vis de tension passant par l'ouverture. On présente plusieurs réalisations possibles de cette invention pour lesquelles les sections de la cale ont une ou deux cales servant à pousser la cale de blocage (et par conséquent la composante d'excavation) vers l'arrière pour qu'elle s'appuie fermement contre le bec.

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