Patent ID: 7134651

Claim:
A bar clamp attachment, comprising: a jaw engaging piece, having a jaw engaging surface generally defining a plane, and a first clamping surface facing in a clamping direction opposite the jaw engaging surface; wherein: the first clamping surface comprises at least two flat portions forming a channel having at least one line of intersection between the at least two flat portions; the at least one line of intersection between the flat portions of the first clamping surface extends generally transversely to the clamping direction; the bar clamp attachment further comprises an attachment mechanism connected to the jaw engaging surface; the attachment mechanism comprises at least one end wall forming a positive stop for inhibiting movement of the clamp attachment away from a clamp jaw when supported thereon in a position of use; the end wall is configured to abut and retain the clamp attachment against movement in a first stopping direction transverse to the clamping direction; and wherein at least one of the flat portions of the first clamping surface is disposed in a range from approximately five degrees to approximately eighty-five degrees relative to the jaw engaging surface.