Patent ID: 11938600
Assignee: SNAP-ON INCORPORATED
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 17:
18. A tool having a longitudinal axis and first and second portions pivotally coupled together, and are pivotable about a pivot axis that is substantially perpendicular to the longitudinal axis, the tool comprising:
a handle portion; and
first and second grip portions adapted to cooperatively engage a fastener and respectively disposed on the first and second portions, each of the first and second grip portions having a front face that is substantially perpendicular to the longitudinal axis, a first set of elongated teeth disposed on a surface with a depression that follows a first curve that is in a first plane and a second curve that is in a second plane, wherein each tooth of the first set of elongated teeth abuts the front face and extends substantially across an entirety of the depression in a direction away from the front face and at a non-zero angle relative to a third plane, wherein the third plane is substantially parallel to the longitudinal axis, is substantially perpendicular to the pivot axis, and extends through the front faces of the respective first and second grip portions.