| 摘要 |
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.
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