Insulating composite breaker bar

B - Operations – Transporting – 25 – G

Patent

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Details

B25G 1/12 (2006.01) B25B 23/00 (2006.01) B25B 23/16 (2006.01) B25G 1/06 (2006.01)

Patent

CA 2352813

A composite insulating breaker bar (10) includes an elongated shaft (11) formed of pultruded glass/polyester material, having a reduced end (12) adhesively secured in an axial bore in a plastic handle (14), and a working end (13) adhesively received in one end of a composite sleeve (15) made of alternating layers of braided and longitudinal glass fibers in an epoxy resin matrix. Press-fitted in the other end of the sleeve is a swivel yoke (20) insert including a knurled body and a pivoting square drive lug (30), pivotal movement of the square drive being accommodated by a diametral slot (16) formed axially in the distal end of the sleeve.

L'invention concerne une poignée articulée (10) composite isolante comprenant un arbre (11) allongé en matériau en verre/poyester pultrudé, présentant une extrémité réduite (12) à fixation adhésive à l'intérieur d'un alésage axial dans un manche (14) en plastique, et une extrémité de travail (13) à réception adhésive dans une extrémité d'un manchon composite (15) fait de couches alternées de fibres de verre tressées et longitudinales dans une matrice de résine époxyde. Une rotule (20) articulée, insérée à la presse à l'autre extrémité du manchon, comprend un corps moleté et un écrou carré conducteur tournant (30), le mouvement tournant de l'entraînement carré étant contenu par une fente diamétrale (16) formée axialement à l'extrémité distale du manchon.

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