Blade assembly especially for an ice auger or like

Details Blade assembly especially for an ice auger or like Blade assembly especially for an ice auger or like

F - Mech Eng,Light,Heat,Weapons

25

C

F25C 5/04 (2006.01) A01K 97/01 (2006.01) E21B 10/12 (2006.01)

Patent

CA 2554294

A blade assembly, especially for an ice auger or the like, comprising a shank (1) and a bit head (2). The shank (1) is provided at least with elements (3) for mounting the bit head (2). The bit head (2), in turn, includes one or more disk-shaped bit members (2a), which rotate (w) during a drilling/boring operation and which have an outer rim (2a~) thereof working as an actual cutting face in drilling/boring. The rotary bit member (2a) included in the bit head is disposed at an angle (a) of less than 45~ relative to a drilled surface (A).

Un ensemble lame spécialement destiné à une tarière à glace ou à un dispositif similaire comprend un mandrin (1) et un trépan (2). Le mandrin (1) est pourvu au moins d'éléments (3) de montage du trépan (2). Ce trépan (2) comprend à son tour un ou plusieurs éléments en forme de disque (2a) qui tournent (w) pendant un forage ou un perçage et qui possède un rebord extérieur (2a') agissant comme une face coupante réelle dans ce forage/perçage. L'élément rotatif (2a) inclus dans le trépan est placé à un angle (a) < 45 degrés par rapport à une surface forée (A).

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