B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
B25B 13/50 (2006.01) E21B 19/16 (2006.01)
Patent
CA 2089902
A power tong that is adaptable to smaller sues by installing an auxiliary camming assembly against the principle camming surface within the rotary. This auxiliary camming assembly preferably is seated within the neutral recess on the principle camming surface. An auxiliary cage plate carries auxiliary jaw sets.
Dlask George
French David J.
Mccoy Corporation
LandOfFree
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