Insulating, composite, hybrid-handle lineman's pliers

B - Operations – Transporting – 25 – G

Patent

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Details

B25G 3/34 (2006.01) B25G 1/12 (2006.01)

Patent

CA 2421430

Insulating lineman's pliers (20) have composite, electrically insulating handles (30) including a core (31) having an inner body formed of a glass fiber-reinforced polyester pultrusion and over-braided with glass-fiber- reinforced epoxy braided layers, the core being overmolded with an elastomeric grip (36). The core inner bodies (32) of the handles (30) have axial bores (34) in one end thereof in which are press-fitted first ends of knurled coupling pins (50), the other ends of which are press-fitted in bores (49) in the ends of the metal heads, which are pivotally interconnected and respectively define plier jaws (43).

L'invention concerne des pinces à isolation (20) de poseur de lignes qui présentent des manches composites, isolées sur le plan électrique (30). Lesdites manches comprennent un noyau (31) doté d'un corps interne constitué d'un polyester renforcé avec fibres de verre par pultrusion et renforcé de couches tressées en résine époxyde renforcée de fibres de verre, le noyau étant revêtu d'un manche élastomère (36). Les corps internes centraux (32) des manches (30) présentent des alésages axiaux (34) dans une extrémité correspondante, au niveau de laquelle sont ajustées par pression des premières extrémités de broches d'attelage moletées (50). Les autres extrémités sont ajustées par pression dans des alésages (49) des extrémités des têtes métalliques qui sont interconnectées pivotantes et définissent respectivement des mâchoires de pinces (43).

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