B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/50
B25B 13/06 (2006.01) B25B 13/04 (2006.01)
Patent
CA 1327464
ABSTRACT Rotary wrenching tools are sized, in one embodiment, to strongly and adequately receive heads of fastening members of two or more nominal sizes having maximum size ratios in the approximate size ranges of 1.0053-1.1430 for square heads and 1.0053-1.0600 for hexagonal heads. Visible indicia of the sizes of at least two different fastener head sizes are carried adjacent each opening.
542405
Ruzicka Josef
Ruzicka Milan
Ruzicka Petr O.
Borden Ladner Gervais Llp
Ruzicka Josef
Ruzicka Milan
Ruzicka Petr O.
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