Spearhead assembly

Details Spearhead assembly Spearhead assembly

E - Fixed Constructions

21

B

E21B 23/14 (2006.01)

Patent

CA 2627582

A spearhead assembly (10) comprises a base (12) having an outer surface (14), a slot (16), a spear point (18) and a guard (20). The slot (16) is formed in the base (12) and has an opening (22) that opens onto the outer surface (14). A proximal end of the spear point (18) is located in the slot (16) and pivotally coupled about a pivot axis (26) to the base (12). The spear point (18) can pivot about axis (26) between two positions that are angularly spaced by 180~. The guard (20) is coupled to the proximal end of the spear point (18) and configured to at least partially occupy the opening (22) when the spear point is in a location at or between the two spaced apart positions. The guard (20) acts to minimise the risk of an operator's hand or glove worn by the operator from being pinched or caught in the slot (16) between the spear point (18) and base (12) as the spear point (18) is pivoted between the two positions.

Ensemble tête de harpon (10) avec base (12) à surface externe (14), fente (16), point de tête de harpon (18) et garde (20). La fente (16) se trouve dans la base (12) et présente une ouverture (22) qui donne sur la surface externe (14). Une extrémité proximale du point de tête de harpon (18) se trouve dans la fente (16) et est couplée pivotante autour d'un axe de pivotement (26) à la base (12). Ledit point (18) peut pivoter autour d'un axe (26) entre les deux positions qui ont un espacement angulaire de 180°. La garde (20) est couplée à l'extrémité proximale du point (18) avec une configuration permettant d'occuper au moins partiellement l'ouverture (22) lorsque ce point est dans un emplacement aux deux positions espacées ou entre elles. La garde (20) permet de minimiser le risque de pincement ou d'immobilisation de la main ou du gant d'un opérateur dans la fente (16) entre le point en question (18) et la base (12) lorsque ce point (18) pivote enter les deux positions.

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