Tool for removing screws with damaged heads

B - Operations – Transporting – 25 – B

Patent

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Details

B25B 13/50 (2006.01) B25B 27/18 (2006.01)

Patent

CA 2490546

A double-ended hexagonal shank tool bit (10) for extracting Phillips head or similar screws (50) with damaged heads (52). One end (16) of the tool (10) shapes the screw head recess to a flared opening (72). The other end (26) of the tool (10) is tapered with left-hand screw threads (30) and diametrically opposite longitudinal gashes (46) arranged to enable the tool (10)to engage the sides of the shaped recess (72) and remove the screw (50).

Cette invention a trait à un outil rapporté à queue hexagonale (10), permettant d'extraire des vis à tête Phillips ou des vis similaires (50) dont la tête est endommagée (52). Une extrémité (16) de l'outil (10) épouse l'évidement de la tête de la vis au niveau d'une ouverture évasée (72). L'autre extrémité (26) de l'outil (10) est conique avec des filetages à gauche (30) et des goujures (46) diamétralement opposées permettent à l'outil (10) de venir au contact des côtés de l'évidement formé (72) et d'extraire la vis (50).

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