Patent ID: 8827251
Filing Date: 2014-09-09
Classification: B25B

Abstract:
1. A handheld clamping tool, comprising: a sliding bar comprising two lock holes respectively disposed near two opposite ends thereof; a bracket selectively and detachably coupled to one of the two opposite ends of said sliding bar, said bracket providing a first jaw; a handle holder affixed to said sliding bar, said handle holder providing a second jaw; a driving handle mounted at said handle holder and coupled to said sliding bar and operable to move said bracket relative to said handle holder; and a control knob for locking said bracket to one said lock hole of said sliding bar; wherein: said bracket comprises a horizontal bottom hole extending through two opposite lateral sides thereof; said control knob comprises: a male knob member shaped like a cap member comprising two legs axially and outwardly extended from the periphery thereof in a parallel manner and inserted through said horizontal bottom hole of said bracket and respectively terminating in a hook tip; a female knob member mating with said male knob member, said female knob member comprising two hook holes located at the periphery thereof at two opposite sides and respectively engaged with said hook tips of said legs of said male knob member; a pin affixed to said female knob member and movable with said female knob member in and out of one lock hole of said sliding bar to lock said bracket to said sliding bar or to unlock said bracket from said sliding bar; and a compression spring accommodated in said male knob member between said two legs and stopped between an inside wall of said male knob member and a part of said bracket in said horizontal bottom hole to impart a pressure to said male knob member in direction away from said bracket.