Adjustable blade wrench

作者: George R. Curtiss

DOI:

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摘要: A blade wrench includes an adjustable interconnection disposed between the tool body and portion which permits selective angular positioning of relative to body. The may thus be adjusted fixed at a selected angle facilitate alignment with purchase on fastener. comprises apparatus for selectively angularly locking device maintaining this relationship.

参考文章(4)
Alfred V. Dacunto, Power driven wrench assembly ,(1977)
Hoelzer Bruce, Craftsman's adjustable pry bar ,(1958)
Bobbie O. Savage, Extensible non-cranking wrench ,(1975)
Richard S. Lesner, Robert D. Roth, Tube nut wrench ,(1975)